77 results about "River ecosystem" patented technology

The disclosure relates generally to methods and systems for predicting water quality of a river having a varying river ecosystem. Due to multiple and diverse factors, understanding and estimating the water quality of the river stream (river itself) is extremely and technically challenging. The present disclosure discloses a development of a river digital twin model utilizing a multi-modeling approach to comprehensively model the river and its varying ecosystems. The agents encompass entities that directly or indirectly introduce effluents or withdraw water from the river. Agents and their interactions are defined using a combination of behavior rules, correlations, and physics principles, creating the digital twin model that closely mimics the real river system. Physics-based equations are also employed in the present disclosure to capture the dynamics of the river, while relationships between different agents are established.

The invention belongs to but is not limited to the technical field of ecological environmental protection, and discloses a river fish habitat connectivity assessment method, which comprises the following steps: collecting historical site data of target river fish and bioclimatic data influencing river fish distribution to establish a variable set; the method comprises the following steps: screening variables without collinearity by utilizing VIF, constructing a species distribution model of fishes in a target river by utilizing a machine learning algorithm, and screening environmental factors with relatively high contribution degree of the model; according to a machine learning sub-model selected by AUC and TSS, establishing a set model and simulating HS of target river fish habitat suitability distribution; dam information of the target evaluation drainage basin is collected, and a tree connectivity index (DCI) is calculated; stacking the HS and the DCI, calculating a habitat connectivity index (FRCI) of the fish in the target river, and evaluating the habitat connectivity. According to the method, the habitat suitability, the structure connectivity and the function connectivity are considered, the credibility and the preciseness of evaluation of the habitat connectivity are improved, and a scientific basis and a practical tool are provided for protection and management of a river ecosystem.

The invention relates to a river ecosystem planktonic bacteria environment threshold identification method, and belongs to the field of environmental ecology and computational biology. The method comprises the following steps: collecting a plurality of environmental factors, fusing and constructing a space-time aligned watershed ecosystem data set, and preprocessing the data set; constructing a prediction model and performing training; environmental factors are collected from a target drainage basin and input into the trained prediction model, and a nonlinear mapping relation between the environmental factors and the microbial community, namely an SHAP value, is obtained through learning; constructing a GAM response curve based on the SHAP values and the environmental factors, fitting a nonlinear response trend of the GAM response curve through a spline function, and identifying an environmental threshold corresponding to each environmental factor; through a Bootstrap resampling method, multiple times of environment threshold recognition are carried out on each environment factor, and a confidence interval is estimated based on environment thresholds obtained through multiple times of recognition, so that the stability and reliability of environment threshold recognition are improved.

The invention discloses a method for evaluating the stability of a river ecosystem based on the proportion of generalization species and specialized species. The invention relates to the technical field of river ecosystem stability evaluation, and solves the problem that an existing evaluation method is insufficient in sensitivity to dynamic response of river system stability. The method comprises the following steps: respectively setting sampling points at different river reaches according to actual conditions of a river, collecting benthic microorganism samples on gravels, sand and bottom mud of a target river reach, and measuring environmental indexes of each sampling point; performing high-throughput sequencing on benthic microorganism samples, and identifying generalization species and specialization species by combining the Levins ecological niche width; the method comprises the following steps: identifying and quantifying generalization species and specialized species of benthic microorganisms, determining a threshold relationship between the proportion of the generalization species and the specialized species and the river ecosystem stability, and constructing a river ecosystem stability evaluation system based on the proportion of the generalization species and the specialized species. The stability evaluation of the water ecosystem is realized; and the basin comprehensive management and the ecosystem construction are promoted.

The invention discloses a river health evaluation method suitable for northern water-deficient cities, and relates to the technical field of environmental science and engineering.The system comprises the following steps that the pH value, the dissolved oxygen concentration and the total electrolyte amount are monitored through a pH sensor, a dissolved oxygen sensor and a conductivity sensor, the river water surface, the river channel and the surrounding environment are monitored through a GIS, and the river health evaluation result is obtained. Comprising a land utilization type, a vegetation coverage rate and a river bank erosion condition, collecting environmental problems uploaded by the public through a mobile phone APP, and investigating the satisfaction degree of the public to the environment; a river health evaluation system is constructed, the trend of river health is predicted, and potential factors affecting river health are identified; and according to a prediction result, configuring a decision support system to assist in making a management strategy, and regularly reviewing and evaluating system effectiveness. The river health evaluation method and management system are continuously optimized by dynamically adjusting river management and protection work according to a dynamic adjustment result, and the river ecological system of northern water-deficient cities is effectively protected for a long time.

The present invention discloses a double-layer overpass fishway structure, belonging to the field of fishway design in water conservancy projects. The double-layer overpass design enables an upper overflow and a lower submerged flow. The water flow structure within the pool chamber is diverse and can adapt to different water depths, creating favorable hydraulic conditions for fish with different preferences. The double-layer overpass fishway comprises: a trumpet-shaped inlet section, a hump-shaped weir transition section, a double-layer overpass pool section (including a lower disc-shaped channel section and an upper overflow section), and a resting pool section. The hump weir section divides the pool chamber into an upper overflow area and a lower submerged outflow area. The formation of the upper overflow area draws jumping fish into the upper overflow weir section, while the lower submerged flow area is used to attract bottom-dwelling fish and allow them to smoothly swim upstream through the disc-shaped channel section. The arrangement of the resting pool section creates a low-flow zone to allow fish to recover their strength, thereby allowing them to successfully complete their upstream migration and ensure the stability of the river ecosystem.

The invention provides a river ecological corridor boundary determination method and device and a storage medium, and the method comprises the steps: obtaining the types, densities and biomass of inland organisms and water organisms which often inhabit in a river management range in a research region, and determining the respective key indicator species of the inland organisms and the water organisms in the research region; determining requirements of key indicator species; obtaining a relation curve of river gallery boundary-key indicator species diversity; constructing a region-typical river reach two-dimensional habitat model, and obtaining spatial distribution and migration path information of each key indication species in a river ecosystem; preliminarily determining a boundary threshold value of the ecological corridor of the river; determining a water area corridor boundary of the river ecological corridor; determining a land area corridor boundary of the river ecological corridor; and determining a river ecological corridor boundary based on the water area corridor boundary and the land area corridor boundary of the river ecological corridor. By adopting the determination method provided by the invention, the river ecological corridor boundary can be determined more reasonably and quickly.

The invention relates to the technical field of river ecological environment data monitoring, in particular to a river ecological environment data monitoring method and system based on big data. Comprising the following steps: S1, collecting historical information data of a river, then performing unit region division on the river, and classifying the historical information data according to the divided unit regions; s2, performing quantitative index analysis on the historical information data according to the structural data and functional representation of the river; potential laws and trends in river ecological environment data can be mined through a big data analysis technology, prospective guidance is provided for ecological restoration and management, the quality of a river ecological system can be comprehensively and accurately evaluated by comprehensively considering multiple aspects such as river health degree, pressure bearing and restoration capability, ecological service value and the like, and the quality of the river ecological system is improved. And the quantitative index selection and characterization method enables the evaluation to be more scientific and objective, and provides a clear target and direction for ecological restoration.

The invention relates to a small river habitat restoration effect evaluation method, and aims at solving the problems of habitat damage, habitat fragmentation and the like caused by hydroelectric development to formulate restoration targets of restoring river connectivity, guaranteeing ecological base flow and constructing a stable river ecosystem. The method comprises the following steps: firstly, monitoring a river, then monitoring fish resources and an ecological environment, carrying out special investigation on ecological restoration measures, and finally, constructing an evaluation index system from the dimensions of river connectivity, habitat quality, biodiversity, ecological bearing capacity and the like based on monitoring data. Scientific quantitative evaluation is realized, support is provided for engineering optimization, and river ecological protection and restoration technology development can be promoted.

The invention discloses a degradation dominant characteristic factor identification method for a river ecosystem, and particularly relates to the technical field of ecological environment monitoring and system modeling. A space-time tensor model of multi-source ecological observation data is constructed, multi-dimensional dynamic principal component analysis and a spectral clustering algorithm are fused, a high-contribution-degree feature sequence is extracted, and a multi-scale ecological feature association map is constructed; on the basis, interaction weights among ecological variables are defined, an ecological degradation path network is constructed, and an intermediary variable and a response variable are identified. The explanatory force of each feature is further evaluated by adopting a Shapley value method, a dominant feature importance degree matrix is formed, and a driving response model is established in combination with historical intervention measure data, so that scene optimization of a repair strategy is realized.

The invention relates to a method for identifying microbial core species in a river ecosystem, and belongs to the field of microbial ecology. Through OTU relative abundance data, a presence-absence matrix is constructed, and an OTU occurrence rate and an average relative abundance are calculated. And evaluating the OTU ecological importance, and identifying a potential core OTU. And analyzing the consistency of the OTU occurrence frequency and the time scale in combination with the time point location, and generating a ranking index Index for ranking. And performing Bray-Curis similarity analysis to quantify the structural diversity of the OTU community, and identifying the OTU which has the greatest influence on the community similarity. And determining a core OTU threshold value based on an inflection point method and a growth rate method, verifying a core classification group combination mechanism by using a Sloan neutral model, and finally determining the representativeness of the core OTU by comparing the actual occurrence frequency with model prediction. According to the method, rich information is provided for explaining the diversity pattern of the microflora level.

The present invention discloses a method for assessing the impact of human activities. The present invention relates to the technical field of the intersection of environmental science and geographic information systems, and solves the problem that assessment methods that ignore hydrological processes cannot accurately reflect the actual impact of human activities on river ecosystems. The method includes: acquiring and processing satellite remote sensing images of the corresponding river basin, extracting land use information grids of each part; acquiring a digital elevation model of the study area, determining the water flow path through hydrological analysis, and calculating the actual path length between each grid and the monitoring point along the water flow direction; assigning points to different land use types, and calculating the degree of influence of each land use grid on the monitoring point based on the hydrological distance inverse distance weighted algorithm, and obtaining a human activity impact index. The present invention can more accurately assess the impact of human activities on the basin ecosystem by combining land use type assignment and the hydrological inverse distance weighted algorithm.

The application discloses a kind of river ecosystem stability evaluation method based on the ratio of generalization species and specialization species.The present application relates to the technical field of river ecosystem stability evaluation, solve the problem of insufficient sensitivity of existing evaluation methods to the dynamic response of river system stability.The present application sets sampling points in different river sections according to the actual situation of the river, collects benthic microbial samples on gravel, sandy and sediment in the target river section, and measures the environmental indicators of each sampling point;high-throughput sequencing is performed on the benthic microbial samples, and the generalization species and specialization species are identified in combination with Levins niche breadth;the generalization species and specialization species of benthic microorganisms are identified and quantified, the threshold relationship between the ratio of generalization species and specialization species and the stability of river ecosystem is determined, an evaluation system for the stability of river ecosystem based on the ratio of generalization species and specialization species is constructed, and the stability of aquatic ecosystem is evaluated and the comprehensive management of river basin and ecosystem construction are promoted.

The present invention relates to a method for deploying fish-driving sound sources to maintain fish migration pathways within reservoirs. First, hydrodynamic simulations are used to determine the interruption areas and required channel widths of the migration pathways. Then, the required sound intensity of the fish-driving sound sources is determined based on the specific effects of sound on fish. Finally, the number and location of the sound sources are determined by combining acoustic methods and the physiological needs of fish. This method can maintain fish migration pathways within reservoirs and promote successful fish migration, which is of great significance to the utilization of reservoir water resources and the protection of river ecosystems.

The modular ecological net flow channel structure comprises a land area buffer area, an ecological net flow channel and a water level variable amplitude area, a net flow channel division bin is arranged in the ecological net flow channel, a water collecting hole is formed in the upper portion of a water inlet area of the ecological net flow channel, the water inlet area is communicated with the net flow channel division bin through a bottom water passing hole, and the water inlet area is communicated with the water level variable amplitude area. A ceramsite purification layer is filled in the net flow channel division bin, and a top overflow port is formed in the upper part of the outer side of the net flow channel division bin. Modularized ecological flow purification ditch structures are added into a land area buffer area and a water level variable amplitude area of a river and lake ecological buffer zone, the hydraulic retention time of sewage in the buffer zone is prolonged, and the problem that runoff pollution cannot be effectively intercepted and purified due to the fact that the width of the buffer zone is insufficient can be solved; the method ensures that the runoff is effectively slowed down and dispersed before entering the lake, is an effective water environment treatment technology, and is of great significance for protecting the lake water quality and maintaining the river ecosystem.

The invention relates to construction and application of an urban river ecological system, in particular to a construction method of revetment areas on both banks of an urban river and a construction and recovery method of constructed wetland vegetation, and provides a widened buffer area of an artificial island inner cavity and a widened inner cavity river which is constructed in the island in the water flow direction and can penetrate through the two ends of the island. The riverway is a winding riverway, impurity filter screens are arranged at the two ends of the widened buffer area, a multifunctional riverway environment protection ecological system can be built, a multifunctional system integrating ecological protection, pollutant treatment, leisure entertainment and static ornamental value can be completed, and the functionality and attractiveness of the two sides of the riverway are improved.

The invention discloses an air-sky-ground integration-based dynamic monitoring and evaluation method for a cowfish resource. The method comprises the following steps of 1, constructing an air-sky-ground monitoring system of an activity area of cowfishes in the Yangtze River; 2, revealing a space-time distribution rule of the Yangtze River cowfish resources; 3, constructing a Yangtze River cowfish resource dynamic evaluation model coupled with bait, hydrology, hydrodynamic force and human activity factors; 4, key factors influencing the number of the Yangtze River cowfish populations are recognized; 5, predicting a resource evolution rule of the Yangtze River finless guinea pigs under the multi-factor comprehensive action, and providing an artificial protection and resource recovery strategy of the population number of the Yangtze River finless guinea pigs; the method disclosed by the invention accurately reveals the resource change of the cowfish under the action of multiple factors, comprehensively improves the monitoring and protection level of the cowfish in the Yangtze River, and provides technical support for the long-term sustainable development of cowfish populations and the protection and restoration of the ecological system in the Yangtze River.

The present invention discloses a method, device, and electronic device for adjusting submerged vegetation morphology. The method comprises: establishing a first mapping relationship between morphological parameters of submerged vegetation and hydrological and ecological benefit parameters; obtaining target hydrological and ecological benefit parameters for the river section to be optimized, and inputting the target hydrological and ecological benefit parameters into the first mapping relationship to obtain target morphological parameters corresponding to the submerged vegetation; and generating a submerged vegetation morphological adjustment strategy for the river section to be optimized based on the target morphological parameters. The technical solution provided by the present invention enables manual intervention in the river section to achieve the desired effects on river flow, sediment movement, material transport, and the living environment of aquatic organisms, thereby further improving the health of the river ecosystem.

This invention discloses a method for monitoring long-term changes in primary productivity of rivers at a continental scale, belonging to the technical field of river ecosystem monitoring. The method involves determining the effective duration of daytime each day, forming a daily-scale meteorological and hydrological element time series, and selecting high-quality primary productivity data. The daily-scale meteorological and hydrological element time series and watershed attributes are fused to form daily input features, with high-quality primary productivity data used as output variables. A continental-scale river primary productivity simulation model is constructed and optimized. The trained simulation model outputs simulated river primary productivity values, generating daily-scale primary productivity time series data. The mean and annual mean of primary productivity are calculated, and the correlation between the annual time series and the annual mean is analyzed. This invention uses daily-scale meteorological and hydrological elements and constant watershed attributes as inputs, combined with a long short-term memory network deep learning algorithm, thus overcoming the strong dependence of traditional methods on minute- to hourly high-frequency dissolved oxygen monitoring data.

The utility model discloses a self-driven river garbage blocking and oil stain adsorption device, which relates to the field of river pollution treatment and comprises a paddle, a gear disc, a sponge fixing grid ring, a floating disc, a nut and a fixing rod. The gear disc, the sponge fixing grid ring and the floating disc are sequentially and fixedly arranged on the rod wall of the fixing rod from bottom to top, the position, located in the sponge fixing grid ring, of the rod wall of the fixing rod is provided with sponge capable of adsorbing oil dirt, and the upper end of the fixing rod is provided with threads matched with the nut. The number of the fixing rods is multiple, and the same linking lock chain is arranged at the upper ends of the multiple fixing rods. The floating garbage in the river can be effectively intercepted and collected, industrial oil stains are adsorbed, the negative influence of the industrial oil stains on a river ecosystem is reduced, the safety of water resources is protected, and green sustainable development is promoted.

The present application relates to the technical field of urban water ecological system regulation and management, and particularly relates to a method and system for reconstructing an urban river ecological system based on tail water of a sewage treatment plant. The method comprises the following steps: introducing tail water of the sewage treatment plant into a parallel or surrounding artificial wetland deep purification corridor for purification, collecting the purified tail water quality, mixing the purified tail water quality at a water distribution hub, and implementing pulse ecological water replenishment to the downstream of the river through a pre-set intelligent dam; collecting initial topographic data of the smooth hard river, determining habitat size parameters in combination with habitat conditions required for aquatic organisms to survive, and reconstructing the river topography to form a sequence of habitat units. The present application reconstructs a tail water type river ecological system with rich biodiversity, self-purification capacity and self-maintenance capacity to improve the controllability and long-term stability of urban ecological engineering.

The invention discloses an intermittent river reach ecological health evaluation method based on river ecosystem integrity. The invention relates to the technical field of river ecosystem integrity evaluation, and aims to solve the problem that the existing river ecosystem integrity evaluation method cannot accurately indicate the intermittent river reach health condition at present. According to the method, an evaluation index system for constructing the integrity of the intermittent river reach ecological system from three aspects of hydrology, habitat and biology is established, the three systems are endowed with weights by applying an analytic hierarchy process, and the comprehensive score of ecological health evaluation of the perennial flow river reach and the intermittent river reach is obtained through weighted averaging. And comprehensively evaluating the health condition of the intermittent river reach ecosystem. According to the method, the defect that the current watershed water ecosystem health evaluation method cannot be applied to the intermittent river reach is overcome, and the ecological health condition of the intermittent river reach can be reflected.

The invention discloses a cross-basin water transfer method based on incoming water rich, flat and dry and ecological flow constraints. The method comprises the steps that 1, water conservancy project data of a water source area and a water receiving area are obtained, and division is conducted on a high-water year, a flat-water year and a dry-water year; 2, determining different water transfer requirements corresponding to a high water year, a flat water year and a low water year of the water source area and the water receiving area; 3, further subdividing into a flood season and a non-flood season according to runoff characteristics in the year; 4, an ecological flow threshold value needing to be guaranteed after water transfer of the downstream river channel of the water source area is determined; and 5, according to the incoming water situations of the water source area and the water receiving area, constructing a cross-basin water transfer model and solving to obtain an optimal water transfer process. The river ecological system of the water source area is protected to the maximum extent while water supply safety of the water receiving area is guaranteed, and sustainable utilization of water resources is achieved.

The invention provides a cascade development river ecosystem health condition evaluation method based on a zooplankton biological integrity index, and belongs to the field of river ecosystem protection. The invention provides a method for evaluating the health condition of an existing cascade development river ecosystem and the limitation and deficiency of long-term tracking monitoring evaluation of the existing cascade development river ecosystem health condition evaluation method. Sampling survey method based on zooplankton biological integrity, zooplankton biological integrity index evaluation basic index system, zooplankton biological integrity index evaluation selection index system construction and zooplankton biological integrity index (Z-IBI)-based zooplankton biological integrity index (Z-IBI) Through the four parts of the cascade development river ecosystem health condition evaluation criterion system, a clear, complete, detailed and quantifiable evaluation criterion system is provided for cascade development of river water ecosystem health condition change and river ecosystem long-term tracking, monitoring and evaluation. Therefore, a scientific, simple, easy and economical evaluation method is provided for optimizing a river cascade development scheme and carrying out river ecosystem health condition evaluation and fixed-point long-term tracking monitoring.

The utility model discloses a suspended aquatic plant planting device, and relates to the technical field of ecological management, the suspended aquatic plant planting device comprises a planting box, a floating piece and a connecting piece, the planting box is internally provided with a planting cavity; the floating piece is arranged in the planting box, and the floating piece is used for providing buoyancy for the planting box; the connecting pieces are used for connecting the multiple planting boxes in series from the water surface to the river bottom and fixing the planting boxes to the river bottom. The multiple planting boxes can be connected through the ropes to vertically distribute and plant aquatic plants in the river channel, sunlight in water can be fully utilized for planting, ecological optimization of the river channel is achieved, more plant growth environments are created for the river channel, and vegetation coverage at the bottom of a riverbed is increased; meanwhile, the vegetation ecological environment is improved, the construction operation is simple, the cost is low, the stability is high, and the good application and popularization prospects are achieved.

The invention discloses a multi-dimensional stepped river ecological flow construction method, which comprises the following steps: constructing a water balance equation, and calculating ecological flow for maintaining river communication; after the water body communication function of the river is restored, the ecological flow of the river in different time periods in the year is calculated through a hydrology Tennant method; after the natural hydrological rhythm of the river is restored, hydraulics and ecology are fused, and sensitive ecological flow of protected species is superposed in a river ecological system; and after the sensitive ecological flow of the protected species is superposed in the river ecological system, the river channel bed forming flow is determined. The method is suitable for river ecosystem requirements of different recovery stages or different inflow situations, and ecological flow schemes with low standards, medium standards and high standards differentiated are provided; according to the method, multiple dimensions can be comprehensively considered, the river ecological flow requirements of different incoming water conditions and different recovery stages are met, accurate management and regulation of the river ecological flow are achieved, and powerful support is provided for comprehensive recovery and sustainable development of a river ecological system.

The invention discloses a method for correcting the overflowing flow of a wide-load rotating wheel for ecological flow power generation, and belongs to the technical field of wide-load rotating wheels, and the method comprises the steps: collecting the historical operation data of the wide-load rotating wheel, carrying out the preprocessing, and constructing a wide-load rotating wheel overflowing flow mathematical model; analyzing the real-time operation data of the wide-load rotating wheel, calculating the over-current flow of the wide-load rotating wheel, and determining the over-current flow result of the wide-load rotating wheel; and analyzing the over-current flow result of the wide-load runner, and correcting the over-current flow of the wide-load runner according to the analysis condition, so that the over-current flow meets the ecological flow requirement. The method solves the problems that in the prior art, the overflowing flow of the wide-load rotating wheel cannot be effectively corrected according to the requirement of a river ecological system, the ecological flow requirement cannot be met, and the power generation efficiency is reduced. According to the method, the overflowing flow of the wide-load rotating wheel can be effectively corrected according to the requirements of a river ecological system, the using effect of the wide-load rotating wheel is improved, the ecological flow requirements can be well met, and the power generation efficiency is optimized.

The invention discloses a seasonal river segmented multi-source ecological water supplement optimization scheduling method. The method comprises the following steps: step 1, carrying out river reach division on a seasonal river and determining ecological flow and water quality targets of the seasonal river in a segmented manner; step 2, determining ecological water supplementing requirements of each river reach of the seasonal river; 3, identifying potential supply water sources and water quantity and water quality characteristics of each river reach of the seasonal river; step 4, constructing an ecological water supplementing system and performing quantitative evaluation on an ecological water supplementing effect; 5, determining a seasonal river ecological water replenishing optimization scheduling target; and step 6, determining an optimal solution of the decision variable based on a multi-objective evolutionary algorithm and implementing ecological water replenishing optimization scheduling. By means of the method, according to the seasonal river ecological water demand and spatial-temporal change characteristics, ecological water supplementing optimization scheduling can be implemented, accurate and efficient water supplementing is conducted, energy saving is promoted, and service function improvement and virtuous circle of a seasonal river ecological system are promoted.

The invention relates to the technical field of water ecology, and discloses a river treatment measure determination method, a river health ecosystem and a medium, which can more accurately grasp the real condition of a river in a preset river area by acquiring a plurality of natural factors and a plurality of social factors. Furthermore, after the health and safety of the preset river area are judged, if the area is judged to be the healthy area, secondary judgment is continued, whether the river is really healthy or not can be more accurately recognized, the accuracy of judging the river health condition is improved, and the situation that the prevention and treatment opportunity for potential hazards is missed due to misjudgment is avoided. Finally, when the area is judged to be the hazard area for the second time, the second river factor set can be used for accurately determining corresponding river treatment measures for specific factors causing river ecological hazards, the river ecological problem can be more effectively solved, and long-term health and ecological safety of the river are guaranteed.

The invention discloses an ecological scheduling opportunity determination method, system and device and a storage medium, and the method comprises the steps: obtaining ecological scheduling basic data, carrying out the data processing of the ecological scheduling basic data, and obtaining first ecological scheduling basic data; performing modal decomposition on the first ecological scheduling basic data to obtain a first intrinsic modal time sequence and a second intrinsic modal time sequence; constructing a deep learning model according to the first intrinsic mode time sequence, and training the deep learning model to obtain a first deep learning model; inputting the second intrinsic mode time sequence into a first deep learning model to obtain a water temperature prediction result at each moment, and constructing a water temperature prediction model according to the water temperature prediction result at each moment; and calling the water temperature prediction model to predict the water temperature of the target river reach to obtain an ecological scheduling opportunity, thereby maintaining the health and stability of a river ecosystem.