Project sea use evaluation coordination method applied to offshore wind plant

Abstract

The invention discloses a project sea-use evaluation coordination method applied to an offshore wind plant, and relates to the technical field of ocean space planning, and the method comprises the steps: obtaining ocean function division, ecological sensitive area distribution and sea area development and utilization current situation data of a sea area where an offshore wind plant construction project is located, and carrying out the integration to obtain a sea area space data set; and analyzing project sea features based on the sea space data set to obtain a project sea feature sequence. According to the method, sea space data sets are integrated, multi-aspect information of sea function division, ecological sensitive area distribution and sea development and utilization situations is comprehensively analyzed, sea use characteristics of an offshore wind power plant project are accurately grasped, and on the basis, sea use types, modes, scales and layouts are scientifically managed and optimized, so that sea use of the project is more reasonable and ordered, and the sea use efficiency is improved. Therefore, the utilization efficiency of sea area resources is effectively improved, and efficient promotion of offshore wind power plant project construction is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine space planning, and particularly relates to a project sea use evaluation coordination method applied to offshore wind farms. BACKGROUND

[0002] As a clean and renewable green energy, wind power can effectively reduce the dependence on non-renewable energy such as coal and oil, and reduce the emission of greenhouse gases. It is a field with great development potential in new energy. Offshore wind power, as an important part of clean energy, is rapidly developing under the drive of global energy transformation and the "double carbon" goal. However, the construction of offshore wind farms involves the complex use of marine space resources, and needs to balance multiple goals such as energy development, ecological protection, fishery production, and shipping safety.

[0003] In the prior art, the construction of offshore wind farms has a greater interference and influence on the marine environment, which may conflict with other marine resource users, causing uncertainty in the implementation of offshore wind farm projects and further increasing the use risk of project sea use. Therefore, how to classify the conflict probability of project sea use according to the construction needs of offshore wind farms to improve the coordinated application of project sea use is a problem to be solved by the present application. Therefore, a project sea use evaluation coordination method applied to offshore wind farms is proposed. SUMMARY

[0004] The present application aims to provide a project sea use evaluation coordination method applied to offshore wind farms to solve the problems raised in the background art.

[0005] To solve the above technical problems, the technical solution adopted by the present application is as follows: A project sea use evaluation coordination method applied to offshore wind farms, comprising the following steps: S1, obtaining marine functional zoning, ecological sensitive area distribution, and sea area development and utilization status data of the sea area where the offshore wind farm construction project is located, and integrating to obtain a sea area spatial data set; S2, analyzing the project sea use characteristics including project sea use type, mode, scale and layout based on the sea area spatial data set, and obtaining a project sea use characteristic sequence; S3, identifying the spatial relationship between the project sea use and other marine resource users in combination with the project sea use characteristic sequence, constructing a conflict risk matrix, and calculating a conflict probability value to determine the conflict probability level of the project sea use; S4, formulating a project sea use classification coordination scheme based on the determined conflict probability level of the project sea use, including plane layout adjustment, sea use area optimization and ecological restoration measures; S5, effect evaluation is carried out on the hierarchical coordination scheme for the project sea area, the influence on the marine ecological environment after implementation is analyzed, the emergency plan is clarified, and the hierarchical scheme implementation roadmap is formulated.

[0006] The further improvement of the technical scheme of the application is that the S1 specifically comprises: Collect marine functional zoning data from marine management agencies, environmental monitoring departments, etc., including marine functional zoning maps and text descriptions prepared by government marine administrative departments at all levels, and clarify the planning purpose and zoning boundary of the project sea area; Collect text data of ecological sensitive area distribution, use natural language processing technology to analyze the text, extract key information such as the name, geographic location and protection level of the ecological sensitive area, and combine with geographic information system (GIS) to convert text information into spatial data, accurately determine the range and boundary of the ecological sensitive area through GIS technology; Obtain the current situation data of sea area development and utilization from the marine management department, including approved sea use project information, marine resource development activity records, etc., analyze the existing project sea use type, scale and distribution of the project sea area, and establish a development and utilization status table to record the key information of project name, location and sea use type; S14, integrate marine functional zoning data, ecological sensitive area spatial data and sea area development and utilization status data, establish a sea area spatial data set containing multi-dimensional information, and through data cleaning, format conversion and spatial calibration operation, ensure the accuracy and consistency of the data.

[0007] The further improvement of the technical scheme of the application is that the S2 specifically comprises: Use K-means clustering analysis algorithm to analyze the sea area spatial data set, determine the project sea use type, and divide the project sea use into different type clusters according to the sea use purpose and function factors; Determine the sea use mode for different types of project sea use, including permeable structures, submarine cables and pipelines, etc., and analyze the characteristics of each sea use mode; Based on the sea area spatial data set, use area calculation algorithm and shape analysis algorithm to determine the scale of the project sea use, including the land area and sea area use area; Combine the natural conditions of sea area topography and water flow to analyze the rationality of the layout of the project sea use, analyze whether the layout of the project sea use conforms to the natural conditions of the sea, whether it can minimize the interference to the marine ecological system, and then integrate the project sea use type, mode, scale and layout information to obtain the project sea use characteristic sequence.

[0008] The further improvement of the technical scheme of the application is that the acquisition process of the project sea use characteristic sequence comprises: acquire natural condition data of the sea area where the project is located, wherein the topographic data includes water depth, seabed slope and geological type and the like, and the flow data includes flow velocity, flow direction and tidal characteristics and the like, and the data is acquired through marine investigation and satellite remote sensing means; based on the collected natural condition data, determine evaluation indexes for analyzing layout rationality, including topographic adaptability index, flow adaptability index and ecological impact index, wherein the topographic adaptability index is used to evaluate whether the project sea use layout matches the seabed topography, the flow adaptability index is used to analyze the interference degree of the sea use layout on the flow, including whether it affects the natural circulation of the flow and whether it will cause local scouring and silting changes, and the ecological impact index is used to analyze the potential impact of the sea use layout on the marine ecological system, including whether it destroys important ecological function areas and whether it affects the migration path of marine organisms and the like; determine the weight of each evaluation index, and combine the standard value of each evaluation index based on the project sea use to further calculate the layout rationality score according to the weight and each evaluation index; set a rationality threshold, analyze the rationality of the project sea use layout according to the layout rationality score, and then integrate the layout rationality score, the project sea use type, the sea use mode, the sea use scale and the layout information to form a project sea use feature sequence.

[0009] The further improvement of the technical scheme of the present application is that the calculation process of the topographic adaptability index is: acquire the actual water depth and seabed slope data of each project sea use area, and determine the median value of the suitable water depth, the maximum deviation of the allowable water depth, the median value of the suitable seabed slope and the maximum deviation of the allowable seabed slope of the sea use project; for each project sea use area, calculate the deviation degree of the water depth and the slope from the ideal value, and convert it into a score to obtain the topographic adaptability score of each project sea use area; add the water depth and slope adaptability scores of all project sea use areas, take the average value, and obtain the topographic adaptability index of the entire project sea use area; The calculation process of the flow adaptability index is: acquire the actual flow velocity and scouring and silting intensity data of each project sea use area, and set the minimum value and the maximum value of the allowable flow velocity and the maximum value of the allowable scouring and silting intensity of the sea use project; for each project sea use area, calculate whether the flow velocity is within the allowable range and the size of the scouring and silting intensity, and convert it into a score to obtain the flow adaptability score of each project sea use area; add the flow velocity and scouring and silting intensity scores of all project sea use areas, take the average value, and obtain the flow adaptability index of the entire project sea use area; The calculation process of the ecological impact index is: Determine the overlapping area of the ecological sensitive area and the project sea area, and the distance between the ecological sensitive area and the project sea area, and determine the total area of the project sea area and the maximum distance affected by the ecological sensitive area; For each ecological sensitive area, calculate the proportion of the overlapping area to the total area, and the weakening degree of the distance factor on the ecological impact, to obtain the ecological impact score of each ecological sensitive area; Add the ecological impact scores of all ecological sensitive areas, and take the average value to obtain the ecological impact index of the entire project sea area; The calculation process of the layout rationality score is: Determine the weight of each evaluation index, the weight value is between 0 and 1, and the sum of all weights is 1, and combine the actual measured data to extract the actual value of the terrain adaptability index, the water flow adaptability index and the ecological impact index calculated; According to the specific requirements and design specifications of the project sea area, set the standard value of each evaluation index, which represents the ideal state or the maximum acceptable impact degree of each evaluation index, which is used as a reference standard for the calculation results of each evaluation index; Calculate the ratio of the calculation result of each evaluation index to its respective standard value, multiply it by the determined weight, to obtain the score of each evaluation index, and then sum the scores of each evaluation index to obtain the layout rationality score.

[0010] The further improvement of the technical scheme of the application is that the S3 specifically comprises: Based on the sequence of the characteristics of the project sea area, combined with geographic information system (GIS) technology, the project sea area and the sea area of other marine resource users are subjected to spatial superposition analysis, and the adjacent, containing and intersecting relationship between the project sea area and other marine resource users in space is analyzed; Combined with the project sea area and the sea area of other marine resource users, the conflict probability value under different spatial relationships is calculated, and combined with the pre-divided conflict probability level, the probability of potential conflict between the project sea area and other sea activities is analyzed, to identify the high-risk potential conflict type, that is, the conflict type with a higher probability value, wherein the conflict probability level is divided into high conflict probability level, medium conflict probability level and low conflict probability level, and a division threshold value corresponding to each conflict probability level is set; Based on the conflict type and the conflict probability prediction result, a conflict risk matrix is constructed, which is a two-dimensional table, the horizontal axis represents the conflict type, the vertical axis represents the conflict probability level, and the conflict probability level is marked, and the potential conflict risk is determined.

[0011] The further improvement of the technical scheme of the application is that the calculation process of the conflict probability value is: According to the sea area data of the project sea area and other sea area users, the weight of each project sea area is determined by using the analytic hierarchy process (AHP); For each project sea area, the ratio of the overlapping area to the total area of the project sea area is calculated to obtain the overlapping area ratio, which reflects the degree of coincidence of the sea use characteristics in space with the project sea area, the ratio of the spatial distance between the project sea area and other sea use activity areas to the maximum spatial distance is calculated, and the ratio is subtracted by 1 to realize normalization, and the spatial distance normalized value is calculated, the ratio of the use frequency of other sea use activity areas in each project sea area to the maximum sea use frequency is calculated to obtain the sea use frequency normalized value; For each project sea area, the weight, overlapping area ratio, spatial distance normalized value and sea use frequency normalized value are multiplied to obtain the conflict contribution value of each project sea area, and the conflict contribution values of all project sea areas are added to obtain the numerator part, the weight and the overlapping area ratio of each project sea area are multiplied to obtain the spatial weight contribution value of each project sea area, and the spatial weight contribution values of all project sea areas are added to obtain the denominator part; The numerator part is divided by the denominator part to obtain the conflict probability value, and the higher the value, the greater the possibility of conflict, according to the size of the conflict probability value, it is divided into three conflict probability levels of high, medium and low, to identify the high-risk potential conflict type.

[0012] The further improvement of the technical scheme of the application is that the S4 specifically comprises: For different conflict probability levels of the project sea area, the layout of the offshore wind farm is optimized with the goal of minimizing the impact on other marine resource users, and the genetic algorithm optimization method is used to adjust the planar arrangement of the project sea area to avoid overlapping with the ecological sensitive area and the important fishery resource area; The linear programming algorithm is used to optimize the project sea area to determine the optimal project sea area, and then the project sea area size is controlled; Based on the ecological restoration theory, combined with the characteristics of the ecosystem of the sea area where the project sea area is located, an ecological restoration measure scheme is formulated, including restoration target, restoration technology, restoration time arrangement, etc., the restoration technology selection should be selected according to the ecological characteristics of the sea area and the restoration target, and the appropriate technology including artificial fish reef release, seaweed bed restoration, propagation release, etc., the restoration time arrangement plans the implementation steps and time nodes of the ecological restoration measures, ensures the long-term and stability of the restoration effect, and integrates the planar arrangement adjustment, sea area optimization and ecological restoration measures to form a project sea area hierarchical coordination scheme, so as to realize the coordinated development of the project sea area and the marine ecological environment.

[0013] The further improvement of the technical scheme of the application is that the S5 specifically comprises: With the sea area environmental data as input after the implementation of the project sea use hierarchical coordination scheme, the influence degree of the scheme implementation on the sea area ecological environment is analyzed, and through the comparison of the water quality change, the sediment quality and the key ecological indexes of biological diversity before and after the scheme implementation, the positive and negative influences of the scheme implementation on the sea area ecological environment are evaluated. According to the ecological environment influence evaluation result, the risk matrix method is used to analyze the sudden environmental event and the harm degree, the risk matrix method divides the risk level into three levels of high, medium and low through the evaluation of the possibility and potential influence of the event, and the emergency plan is clear, including the emergency organization, the emergency response procedure and the emergency disposal measure; With the implementation steps of the project sea use hierarchical coordination scheme as nodes and the logical relationship between the steps as edges, a hierarchical scheme implementation network diagram is constructed, the key path and the key node of the hierarchical scheme implementation are determined through the network diagram analysis, the main factors influencing the project progress are identified, the specific time nodes and the responsibility subjects of each stage are clear, the road map clearly stipulates the task content, the time arrangement and the person in charge of each stage, the orderliness and the efficiency of the scheme implementation are ensured, at the same time, the supervision and the evaluation mechanism is established, the scheme implementation progress is checked regularly, the implementation plan is adjusted and optimized in time, and the smooth progress of the project is ensured.

[0014] Due to the adoption of the above technical scheme, the technical progress achieved by the present application relative to the prior art is: The present application provides a project sea use evaluation coordination method applied to an offshore wind farm, through integrating sea area spatial data sets, comprehensively analyzing marine function zoning, ecological sensitive area distribution and sea area development and utilization status information in multiple aspects, accurately grasping the project sea use characteristics of the offshore wind farm, on the basis of which, the sea use type, mode, scale and layout are scientifically managed and optimized, so that the project sea use is more reasonable and orderly, resource waste and idling are avoided, thereby effectively improving the utilization efficiency of sea area resources and ensuring the efficient progress of the offshore wind farm project construction.

[0015] The present application provides a project sea use evaluation coordination method applied to an offshore wind farm, combining the project sea use characteristic sequence identification with the spatial relationship of other marine resource users, constructing a conflict risk matrix, and clearly defining the conflict probability level of the project sea use, the hierarchical coordination scheme formulated based thereon can predict potential conflicts in advance and take corresponding measures to resolve them, greatly reducing the possibility of conflicts between the offshore wind farm project and other marine activities such as fishery culture, shipping transportation, etc., reducing project delays, economic losses and social contradictions caused by conflicts, ensuring the smooth implementation of the offshore wind farm project, and also maintaining the overall stability and harmony of marine development and utilization. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0017] Figure 1 A workflow diagram of the present application; Figure 2 A method flow diagram of the present application. DETAILED DESCRIPTION

[0018] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment 1, as shown in Figure 1 , Figure 2 The present application provides a project sea evaluation coordination method applied to an offshore wind farm, comprising the following steps: S1, obtain the marine functional zoning, ecological sensitive area distribution, and sea area development and utilization status data of the sea area where the offshore wind farm construction project is located, and integrate to obtain the sea area spatial data set, collect the marine functional zoning data from marine management agencies, environmental monitoring departments, etc., including the marine functional zoning maps and written instructions prepared by the government's marine administrative departments at all levels, clearly define the planning use and zoning boundary of the sea area where the project is located, ensure a clear understanding of the function positioning of the sea area, the marine functional zoning map can directly show the spatial distribution and functional zoning of the sea area, and the written instructions provide detailed information such as planning background, target and specific requirements, collect text data of ecological sensitive area distribution, use natural language processing technology to analyze the text, extract the key information of the name, geographical location and protection level of the ecological sensitive area, and combine with geographic information system (GIS), convert the text information into spatial data, accurately determine the range and boundary of the ecological sensitive area through GIS technology, obtain the sea area development and utilization status data from the marine management department, including the approved sea use project information, marine resource development activity records, etc., analyze the existing project sea use type, scale and distribution of the sea area where the project is located, and establish a development and utilization status table to record the key information of the project name, location and sea use type, S14, integrate the marine functional zoning data, ecological sensitive area spatial data and sea area development and utilization status data, establish a sea area spatial data set containing multi-dimensional information, and through data cleaning, format conversion and spatial calibration operations, ensure the accuracy and consistency of the data; S2, based on the sea space dataset, the project sea use characteristics including the type, mode, scale and layout of the project sea use are analyzed to obtain a project sea use characteristic sequence, a K-means clustering analysis algorithm is used to analyze the sea space dataset, the type of the project sea use is determined, and the project sea use is divided into different type clusters according to the purpose and functional factors of the sea use, wherein the purpose of the sea use includes energy production, transportation, fishery breeding, etc., and the functional factors involve the specific activity form and expected benefit of the sea use, through clustering analysis, projects with similar sea use characteristics are identified, and the sea use mode of different types of project sea use is determined, including permeable structures, submarine cable pipelines, etc., and the characteristics of each sea use mode are analyzed, wherein the permeable structure refers to a marine structure that allows water flow to pass through, such as the wind turbine foundation of offshore wind power, and the submarine cable pipeline is a channel for laying submarine cables, the permeable structure has little hindrance to water flow, and the submarine cable pipeline needs to consider the laying depth and protection measures of the cable, based on the sea space dataset, the area calculation algorithm and shape analysis algorithm are used to determine the scale of the project sea use, including the land occupation area and the sea use area, the area calculation algorithm is used to quantify the land occupation area and the sea use area, and the shape analysis algorithm is used to evaluate the shape characteristics of the sea use area, the layout of the project sea use is reasonably analyzed in combination with the natural conditions of the sea terrain and water flow, whether the layout of the project sea use conforms to the natural conditions of the sea, and whether it can minimize the interference with the marine ecosystem, and then the type, mode, scale and layout information of the project sea use are integrated to obtain the project sea use characteristic sequence; In addition, the process of obtaining the project sea use characteristic sequence includes: The natural condition data of the terrain and water flow of the sea area where the project is located are obtained, wherein the terrain data includes water depth, seabed slope and geological type, etc., and the water flow data includes flow velocity, flow direction and tidal characteristics, etc., which are obtained through marine investigation and satellite remote sensing, based on the collected natural condition data, the evaluation indexes for analyzing the layout rationality are determined, including the terrain adaptability index, the water flow adaptability index and the ecological impact index, wherein the terrain adaptability index is used to evaluate whether the layout of the project sea use matches the seabed terrain, the water flow adaptability index is used to analyze the interference degree of the sea use layout on the water flow, including whether it affects the natural circulation of the water flow, whether it will cause local scouring and silting changes, the ecological impact index is used to analyze the potential impact of the sea use layout on the marine ecosystem, including whether it destroys important ecological function areas, whether it affects the migration path of marine organisms, etc., the weights of each evaluation index are determined, and combined with the standard values of each evaluation index set based on the project sea use, the layout rationality score is calculated according to the weights and each evaluation index, a rationality threshold is set, the rationality of the project sea use layout is analyzed according to the layout rationality score, and then the layout rationality score, the type of the project sea use, the sea use mode, the sea use scale and the layout information are integrated to form the project sea use characteristic sequence. The calculation process of the terrain adaptability index is as follows: The actual water depth and seabed slope data of each project sea area are obtained, the median value of the suitable water depth of the project sea area, the maximum deviation of the allowable water depth, the median value of the suitable seabed slope and the maximum deviation of the allowable seabed slope are determined, the deviation of the water depth and the slope of each project sea area from the ideal value is calculated, and the deviation is converted into a score to obtain the terrain adaptability score of each project sea area, and the water depth and slope adaptability scores of all project sea areas are added and averaged to obtain the terrain adaptability index of the entire project sea area. The calculation expression of the terrain adaptability index is as follows: ; In the formula, TAI is the terrain adaptability index, is the actual water depth of the jth project sea area, is the median value of the suitable water depth of the project sea area, is the maximum deviation of the allowable water depth of the project sea area, is the actual seabed slope of the jth project sea area, is the median value of the suitable seabed slope of the project sea area, is the maximum deviation of the allowable seabed slope of the project sea area, and N is the number of project sea areas. When the actual water depth and the seabed slope of the project sea area are closer to the suitable water depth and the slope of the project, the value of TAI is higher, and if the actual water depth or the slope exceeds the maximum deviation allowed by the project or , the score of the corresponding part will be reduced, resulting in a decrease in the value of TAI. The calculation process of the flow adaptability index is as follows: The actual flow velocity and scouring and silting intensity data of each project sea area are obtained, the minimum value and the maximum value of the allowable flow velocity of the project sea area and the maximum value of the allowable scouring and silting intensity are set, whether the flow velocity of each project sea area is within the allowable range and the size of the scouring and silting intensity are calculated, and the flow velocity and the scouring and silting intensity are converted into scores to obtain the flow adaptability score of each project sea area, the flow velocity and scouring and silting intensity scores of all project sea areas are added and averaged to obtain the flow adaptability index of the entire project sea area. The calculation expression of the flow adaptability index is as follows: ; In the formula, FAI is the flow adaptability index, is the actual flow velocity of the jth project sea area, is the minimum value of the allowable flow velocity of the project sea area, is the maximum value of the allowable flow velocity of the project sea area, The erosion and deposition intensity of the sea area used by the jth project, The maximum value of the erosion and deposition intensity allowed by the sea area used by the project, the actual flow velocity Approaches the minimum value of the allowed flow velocity The fraction of the flow velocity part is higher, if the flow velocity approaches the maximum value , the fraction of the flow velocity part decreases, the erosion and deposition intensity is smaller, the FAI value is higher, when the erosion and deposition intensity approaches the maximum value allowed , the FAI value decreases; The calculation process of the ecological impact index is: Determine the overlapping area of the ecological sensitive area and the sea area used by the project, and the distance between the ecological sensitive area and the sea area used by the project, determine the total area of the sea area used by the project and the maximum distance of the influence of the ecological sensitive area, for each ecological sensitive area, calculate the proportion of the overlapping area of the ecological sensitive area and the sea area used by the project to the total area, and the weakening degree of the distance factor to the ecological impact, obtain the ecological impact score of each ecological sensitive area, add the ecological impact scores of all ecological sensitive areas, take the average value, obtain the ecological impact index of the entire sea area used by the project; The calculation expression of the ecological impact index is: ; In the formula, ECI is the ecological impact index, is the overlapping area of the kth ecological sensitive area and the sea area used by the project, is the total area of the sea area used by the project, is the distance between the kth ecological sensitive area and the sea area used by the project, is the maximum distance of the influence of the ecological sensitive area, M is the number of ecological sensitive areas, when the overlapping area of the sea area used by the project and the ecological sensitive area is larger, the contribution of this part to ECI is also larger, if the distance between the sea area used by the project and the ecological sensitive area is farther, the value of is higher, the contribution of this area to ECI is also larger, in general, the larger the overlapping area of the sea area layout and the ecological sensitive area and the closer the distance, the higher the ECI value, indicating that the ecological impact is larger; The calculation process of the layout rationality score is: The weights of each evaluation indicator are determined, with weight values ​​ranging from 0 to 1, and the sum of all weights being 1. Based on actual measurement data, the actual values ​​of the calculated topographic adaptability, water flow adaptability, and ecological impact indicators are extracted. According to the specific requirements and design specifications for the project's use of the sea, a standard value is set for each evaluation indicator, representing the ideal state or the maximum acceptable impact level of each evaluation indicator. This standard value serves as a reference standard for the calculation results of each evaluation indicator. The ratio of the calculation result of each evaluation indicator to its respective standard value is calculated and multiplied by the determined weight to obtain the score of each evaluation indicator. Finally, the scores of each evaluation indicator are summed to obtain the layout rationality score. The formula for calculating the layout rationality score is as follows: ; In the formula, LRS represents the layout rationality score, reflecting the degree of matching between the project's marine use layout and natural conditions and ecological requirements. Let be the weight of the i-th evaluation indicator. The larger the weight, the greater the impact of that evaluation indicator on the rationality of the layout. Let i be the actual value of the i-th evaluation index. Let LRS be the standard value for the i-th evaluation indicator, set according to the project's sea use requirements. It measures the difference between the actual score and the ideal state. A higher LRS value indicates a more reasonable sea use layout, while a lower value indicates that the sea use layout needs further optimization. The set reasonableness threshold is... ,when If so, the rationality of the project's marine use layout meets the requirements; S3. Identify the spatial relationship between the project's sea use and other marine resource users by combining the project's sea use feature sequence, construct a conflict risk matrix, and calculate the conflict probability value to determine the conflict probability level of the project's sea use. S4. Based on the determined conflict probability level of the project's sea use, formulate a graded coordination plan for the project's sea use, including adjustments to the layout, optimization of sea use area, and ecological restoration measures. S5. Conduct an effectiveness evaluation of the project's sea use classification and coordination plan, analyze the impact on the marine ecological environment after implementation, clarify the emergency plan, and formulate a roadmap for the implementation of the classification plan.

[0020] Example 2, as Figure 1 , Figure 2 As shown, based on Embodiment 1, the present invention provides a technical solution: preferably, S3 specifically includes: Based on the sequence of project sea use characteristics, combined with geographic information system (GIS) technology, the project sea use area and the sea use area of other marine resource users are overlapped and analyzed, the adjacent, containing and intersecting relationship between the project sea use and other marine resource users in space is analyzed, the conflict probability value of the conflict occurring under different spatial relationship is calculated combined with the project sea use area and the sea use area of other marine resource users, and combined with the pre-divided conflict probability level, the probability of the potential conflict between the project sea use and other sea use activities is analyzed to identify the high-risk potential conflict type, i.e. the conflict type with higher probability value, wherein the conflict probability level is divided into high conflict probability level, medium conflict probability level and low conflict probability level, and the division threshold corresponding to each conflict probability level is set, based on the conflict type and conflict probability prediction result, a conflict risk matrix is constructed, the conflict risk matrix is a two-dimensional table, the horizontal axis represents the conflict type, the vertical axis represents the conflict probability level, and the conflict probability level is marked to determine the potential conflict risk. The calculation process of the conflict probability value is as follows: According to the project sea use area and the sea use area data of other marine resource users, the weight of each project sea use area is determined by using analytic hierarchy process (AHP), the weight value ranges from 0 to 1, the sum of all weights is 1, and the greater the weight, the higher the importance of the project sea use area in the conflict evaluation. For each project sea use area, the ratio of the overlapping area to the total area of the project sea use is calculated to obtain the overlapping area ratio, which reflects the degree of coincidence of the sea use characteristics with the project sea use in space. The ratio of the spatial distance between the project sea use area and other sea use activity area to the maximum spatial distance is calculated, and 1 is subtracted from the ratio to realize normalization, and the spatial distance normalized value is calculated. The ratio of the use frequency of other sea use activity area in each project sea use area to the maximum use frequency is calculated to obtain the use frequency normalized value. For each project sea use area, the weight, overlapping area ratio, spatial distance normalized value and use frequency normalized value are multiplied to obtain the conflict contribution value of each project sea use area, and the conflict contribution values of all project sea use areas are added to obtain the numerator part. The weight and overlapping area ratio of each project sea use area are multiplied to obtain the spatial weight contribution value of each project sea use area, and the spatial weight contribution values of all project sea use areas are added to obtain the denominator part. The numerator part is divided by the denominator part to obtain the conflict probability value, and the higher the value, the greater the possibility of conflict. According to the size of the conflict probability value, it is divided into high, medium and low conflict probability levels to identify the high-risk potential conflict type. The calculation expression of the conflict probability value is as follows: ; In the formula, is a conflict probability value, representing the probability of conflict between the project sea use area and other sea use activity areas, is a weight of the jth project sea use area, reflecting the importance of the project sea use area in conflict assessment, is an overlapping area of the jth project sea use area, i.e. the area of spatial overlap between the project sea use area and other sea use activity areas, is a total area of the project sea use area, is a spatial distance of the jth project sea use area, i.e. the distance between the project sea use area and other sea use activity areas, is a maximum spatial distance, used for normalization , is a sea use frequency of the jth project sea use area, i.e. the frequency of use of the project sea use area by other sea use activities, is a maximum sea use frequency, used for normalization , N is the number of project sea use areas, The higher the value of is, the greater the likelihood of conflict; A plurality of conflict probability levels correspond to a plurality of division thresholds one by one, and the corresponding relationship is as follows: The division threshold of the low conflict probability level is: , the conflict risk is low; The division threshold of the medium conflict probability level is: , the conflict risk is moderate; The division threshold of the high conflict probability level is: , the conflict risk is higher; wherein, is a conflict probability value, is the upper threshold of the low conflict probability level and the lower threshold of the medium conflict probability level, is the upper threshold of the medium conflict probability level and the lower threshold of the high conflict probability level, = 0.3, = 0.6; S4 specifically comprises: The layout of the offshore wind farm is optimized aiming at minimizing the impact on other marine resource users for different conflict probability levels of project sea use, and the genetic algorithm optimization method is used to adjust the planar layout of the project sea use to avoid overlapping with the ecological sensitive area and important fishery resource area, wherein the genetic algorithm simulates natural selection and genetic mechanism to continuously iterate and optimize the layout scheme, the specific steps including: initializing the population, each individual representing a possible layout scheme, defining the fitness function, evaluating the overlapping degree of each layout scheme with the ecological sensitive area and important fishery resource area and the conflict degree with other marine activities, generating a new population through selection, crossover and mutation operations, gradually optimizing the layout scheme until the convergence condition is met, and finally the optimal layout scheme can effectively reduce the overlapping with the ecological sensitive area and important fishery resource area and reduce the impact on other marine resource users, the linear programming algorithm is used to optimize the project sea use area to determine the optimal project sea use area, and then the project sea use scale is controlled, wherein the linear programming algorithm finds the solution that makes the objective function optimal by establishing the objective function and constraint conditions, the specific steps including: defining the objective function of minimizing the sea use area, determining the constraint conditions including technical constraints (wind turbine spacing, submarine cable laying requirements, etc.) and environmental constraints (avoiding ecological sensitive areas), solving by linear programming algorithm to get the optimal sea use area under all constraint conditions, which helps to reasonably control the project sea use scale, improve the sea resource utilization efficiency, and reduce the impact on marine environment, based on the ecological restoration theory, the ecological restoration measures scheme is formulated according to the characteristics of the ecosystem where the project sea use is located, including restoration target, restoration technology, restoration time arrangement, etc., the restoration technology selection should be selected according to the characteristics of the sea ecosystem and the restoration target, including artificial reef release, seaweed bed restoration, stocking and releasing, etc., the restoration time arrangement plans the implementation steps and time nodes of the ecological restoration measures to ensure the long-term and stability of the restoration effect, and the planar layout adjustment, sea use area optimization and ecological restoration measures are integrated to form the project sea use hierarchical coordination scheme to realize the coordinated development of project sea use and marine ecological environment. S5 specifically includes: The environmental data of the sea area after the implementation of the project sea use hierarchical coordination scheme is taken as input to analyze the influence degree of the scheme implementation on the ecological environment of the sea area. By comparing the water quality changes, sediment quality and key ecological indicators of biodiversity before and after the implementation of the scheme, the positive and negative effects of the scheme implementation on the ecological environment of the sea area are evaluated. According to the evaluation results of the ecological environment, the risk matrix method is used to analyze the environmental emergencies and their harm degree. The risk matrix method divides the risk level into three levels of high, medium and low by evaluating the possibility and potential impact of the event, and clearly defines the emergency plan, including emergency organization, emergency response procedures and emergency disposal measures. The setting of emergency organization ensures that it can respond quickly when an environmental emergency occurs. A detailed emergency response procedure is formulated to ensure that each step is closely linked from event monitoring, early warning to emergency disposal. At the same time, specific emergency disposal measures are specified, including leakage control, pollution removal, ecological restoration, etc., to minimize the damage of environmental emergencies to the ecological environment of the sea area. The implementation steps of the project sea use hierarchical coordination scheme are taken as nodes, and the logical relationship between each step is taken as edge to build a hierarchical scheme implementation network diagram. Through network diagram analysis, the key path and key node of hierarchical scheme implementation are determined, the main factors affecting the project progress are identified, and the specific time nodes and responsible subjects of each stage are clarified. The implementation roadmap specifies the task content, time arrangement and responsible person of each stage to ensure the orderliness and efficiency of scheme implementation. At the same time, a supervision and evaluation mechanism is established to check the progress of scheme implementation regularly, and the implementation plan is adjusted and optimized in time to ensure the smooth progress of the project.

[0021] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for coordinating marine use assessments for offshore wind farm projects, characterized in that, Includes the following steps: S1. Obtain marine functional zoning, distribution of ecologically sensitive areas, and current status of marine development and utilization data for the sea area where the offshore wind farm construction project is located, and integrate them to obtain a marine spatial dataset. S2. Analyze the marine use characteristics of the project based on the marine spatial dataset to obtain the marine use characteristic sequence of the project. S3. Identify the spatial relationship between the project's sea use and other marine resource users by combining the project's sea use feature sequence, construct a conflict risk matrix, and calculate the conflict probability value to determine the conflict probability level of the project's sea use. S4. Based on the determined conflict probability level of the project's sea use, formulate a graded coordination plan for the project's sea use. S5. Conduct an effectiveness evaluation of the project's tiered coordination plan for sea use, analyze the impact on the marine ecological environment after implementation, clarify emergency plans, and develop a roadmap for the implementation of the tiered plan.

2. The method for coordinating marine use assessment for offshore wind farm projects according to claim 1, characterized in that: S1 specifically includes: Collect marine functional zoning data to clarify the planned uses and zoning boundaries of the sea area where the project is located; Textual data on the distribution of ecologically sensitive areas are collected, natural language processing technology is used to parse the text, key information such as the name, geographical location and protection level of the ecologically sensitive areas is extracted, and the text information is converted into spatial data by combining it with a geographic information system. Obtain data on the current status of marine development and utilization, including information on approved marine projects and records of marine resource development activities. Analyze the existing types, scale, and distribution of marine projects in the project area and establish a table of current development and utilization status, recording key information such as project name, location, and type of marine use. By integrating marine functional zoning data, spatial data of ecologically sensitive areas, and data on the current status of marine development and utilization, a marine spatial dataset containing multi-dimensional information is established.

3. The method for coordinating marine use assessment for offshore wind farm projects according to claim 1, characterized in that: S2 specifically includes: The K-means clustering analysis algorithm was used to analyze the marine spatial dataset to determine the marine use type of the project, and the marine use of the project was divided into different type clusters according to the purpose and functional factors of the marine use; For different types of projects using the sea, determine their sea use methods and analyze the characteristics of each sea use method; Based on the marine spatial dataset, area calculation algorithms and shape analysis algorithms are used to determine the scale of the sea area used by the project, including the land area and the sea area used. By combining the natural conditions of the marine topography and water flow, a rationality analysis is conducted on the layout of the project's marine use, analyzing whether the layout of the project's marine use conforms to the natural conditions of the ocean and whether it can minimize the interference with the marine ecosystem. Then, the information on the project's marine use type, method, scale and layout is integrated to obtain the characteristic sequence of the project's marine use.

4. The method for coordinating marine use assessment for offshore wind farm projects according to claim 3, characterized in that: The process of obtaining the marine use characteristic sequence of the project includes: Acquire natural condition data of the topography and water flow in the sea area where the project is located. The topography data includes information on water depth, seabed slope and geological type, while the water flow data includes flow velocity, flow direction and tidal characteristics. Based on the collected natural condition data, evaluation indicators for the rationality of the analysis layout were determined, including topographic adaptability indicators, water flow adaptability indicators, and ecological impact indicators. The weights of each evaluation indicator are determined, and the standard values ​​of each evaluation indicator are combined with the sea use of the project. Then, the layout rationality score is calculated based on the weights and each evaluation indicator. A rationality threshold is set, and the rationality of the project's marine use layout is analyzed based on the layout rationality score. Then, the layout rationality score, the project's marine use type, marine use method, marine use scale, and layout information are integrated to form a marine use characteristic sequence for the project.

5. The method for coordinating marine use assessment for offshore wind farm projects according to claim 4, characterized in that: The calculation process for the terrain adaptability index is as follows: Obtain actual water depth and seabed slope data for each project's sea area, and determine the median suitable water depth, the maximum allowable deviation of water depth, the median suitable seabed slope, and the maximum allowable deviation of seabed slope for the sea area project. For each marine area used by the project, the degree of deviation of its water depth and slope from the ideal values ​​is calculated and converted into a score to obtain the terrain adaptability score of each marine area used by the project. The water depth and slope adaptability scores of all project sea areas are added together and the average value is taken to obtain the topographic adaptability index of the entire project sea area. The calculation process for the water flow adaptability index is as follows: Obtain actual flow velocity and scour and sedimentation intensity data for each project's sea area, and set the minimum and maximum allowable flow velocity and the maximum allowable scour and sedimentation intensity for the sea area project; For each marine area used by the project, calculate whether the flow velocity is within the allowable range and the magnitude of the scouring and silting intensity, and convert them into scores to obtain the water flow adaptability score for each marine area used by the project. The flow velocity and scouring and silting intensity scores of all project sea areas are added together and the average value is taken to obtain the water flow adaptability index of the entire project sea area; The calculation process for the ecological impact indicators is as follows: Determine the overlapping area between the ecologically sensitive area and the project's sea-use area, as well as the distance between the ecologically sensitive area and the project's sea-use area, and clarify the total area of ​​the project's sea-use area and the maximum distance affected by the ecologically sensitive area; For each ecologically sensitive area, calculate the proportion of its overlapping area with the project's sea area to the total area, as well as the degree of reduction of the ecological impact due to distance factors, to obtain the ecological impact score for each ecologically sensitive area. The ecological impact scores of all ecologically sensitive areas are added together and the average value is taken to obtain the ecological impact index of the entire marine area of ​​the project. The calculation process for the layout rationality score is as follows: The weights of each evaluation index are determined, and the actual values ​​of the calculated topographic adaptability index, water flow adaptability index, and ecological impact index are extracted based on the actual measurement data. Based on the specific requirements and design specifications for the use of sea area in the project, standard values ​​for each evaluation indicator are set. Calculate the ratio of the calculated result of each evaluation indicator to its respective standard value, and multiply it by the determined weight to obtain the score of each evaluation indicator. Then, sum the scores of each evaluation indicator to obtain the layout rationality score.

6. The method for coordinating marine use assessment for offshore wind farm projects according to claim 1, characterized in that: S3 specifically includes: Based on the marine use characteristic sequence of the project, and combined with geographic information system technology, the marine use area of ​​the project is spatially overlaid with the marine use areas of other marine resource users to analyze the spatial adjacency, inclusion and intersection relationships between the marine use of the project and other marine resource users. By combining the sea use area of ​​the project with the sea use areas of other marine resource users, the probability values ​​of conflict under different spatial relationships are calculated. Combined with the pre-divided conflict probability levels, the probability of potential conflicts between the sea use of the project and other sea use activities is analyzed to identify high-risk potential conflict types, i.e. conflict types with higher probability values. The conflict probability levels are divided into high conflict probability level, medium conflict probability level and low conflict probability level, and a threshold corresponding to each conflict probability level is set. Based on the conflict type and conflict probability prediction results, a conflict risk matrix is ​​constructed. The conflict risk matrix is ​​a two-dimensional table, with the horizontal axis representing the conflict type and the vertical axis representing the conflict probability level. The conflict probability level is marked to determine the potential conflict risk.

7. The method for coordinating marine use assessment for offshore wind farm projects according to claim 6, characterized in that: The calculation process for the conflict probability value is as follows: Based on the sea area data of the project and other marine resource users, the weight of each sea area of ​​the project is determined using the analytic hierarchy process (AHP). For each project's sea area, calculate the ratio of its overlapping area with other sea activities to the total sea area of ​​the project to obtain the overlapping area ratio. Calculate the ratio of the spatial distance between the project's sea area and other sea activity areas to the maximum spatial distance, and subtract this ratio from 1 to normalize it, thus obtaining the normalized spatial distance value. Calculate the ratio of the usage frequency of other sea activity areas in each project's sea area to the maximum sea usage frequency, thus obtaining the normalized sea usage frequency value. For each sea area used by a project, the conflict contribution value of each project's sea area is obtained by multiplying the weight, the overlapping area ratio, the normalized spatial distance value, and the normalized sea use frequency value. The conflict contribution values ​​of all project sea areas are then added together to obtain the numerator. The spatial weight contribution value of each project sea area is obtained by multiplying the weight and the overlapping area ratio of each project sea area. The spatial weight contribution values ​​of all project sea areas are then added together to obtain the denominator. Divide the numerator by the denominator to obtain the conflict probability value. Based on the magnitude of the conflict probability value, it is divided into three conflict probability levels: high, medium, and low, in order to identify high-risk potential conflict types.

8. The method for coordinating marine use assessment for offshore wind farm projects according to claim 1, characterized in that: S4 specifically includes: For projects using sea areas with different conflict probability levels, the layout of offshore wind farms is optimized with the goal of minimizing the impact on other marine resource users. A genetic algorithm is used to adjust the planar layout of the sea areas used for projects. The linear programming algorithm is used to optimize the sea area used by the project, determine the optimal sea area used by the project, and thus control the scale of sea area used by the project. Based on the theory of ecological restoration and combined with the characteristics of the ecosystem of the sea area where the project is located, an ecological restoration plan was formulated. The plan integrates the adjustment of the layout, the optimization of the sea area, and the ecological restoration measures to form a hierarchical coordination plan for the project's sea use.

9. The method for coordinating marine use assessment for offshore wind farm projects according to claim 8, characterized in that: S5 specifically includes: Using marine environmental data after the implementation of the project's marine use classification and coordination scheme as input, this study analyzes the degree of impact of the scheme on the marine ecological environment. By comparing key ecological indicators such as water quality changes, sediment quality, and biodiversity before and after the scheme's implementation, the study assesses the positive and negative impacts of the scheme on the marine ecological environment. Based on the results of the ecological and environmental impact assessment, the risk matrix method is used to analyze the sudden environmental events and their degree of harm, and the risk level is divided into three levels: high, medium and low. Emergency plans are defined, including emergency organization, emergency response procedures and emergency response measures. Using the implementation steps of the project's tiered sea use coordination plan as nodes and the logical relationships between the steps as edges, a network diagram for the implementation of the tiered plan is constructed. Through network diagram analysis, the critical paths and critical nodes for the implementation of the tiered plan are determined, the main factors affecting the project schedule are identified, and the specific time nodes and responsible parties for each stage are clarified.

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