37 results about "Urbanization" patented technology

The invention relates to the field of geographic information analysis, in particular to a method and a device for identifying a threshold value of an influence of urbanization on supply and demand of a coastal wetland ecological function, and the method and the device are based on spatial position coordinate data of a plurality of grid units of a coastal area, an urbanization level comprehensive index and a coastal wetland comprehensive ecological function supply and demand ratio. Performing model fitting on a preset initial space weighted threshold identification model to identify a critical point of the urbanization level to the change of the supply and demand relationship of the coastal wetland ecological function, and reflect the staged response characteristics of the supply and demand of the coastal wetland ecological function to urbanization and the spatial heterogeneity characteristics of the urbanization influence mechanism in different geographic units; the spatial difference threshold value characteristics of the coastal wetland ecological function supply and demand relation in the urbanization response process are effectively identified, and a refined and zoned scientific basis is provided for a regional ecological management strategy.

The invention relates to the technical field of urban hydrological simulation and flood forecasting, and particularly discloses a comprehensive unit line improvement method applicable to an urbanized region, which comprises the following steps: S1, constructing an urban rainstorm runoff model, and simulating the flow process of a drainage basin outlet section under rainstorm in different recurrence periods; s2, calculating the flow process of the drainage basin outlet section under the same design rainstorm, and reconstructing and converting the flow process into a centralized flow process; s3, distributing the centralized flow process into sub-flows of a water outlet and a river channel section; s4, on the basis of the actual maximum drainage capacity of the drainage port, storage and drainage response correction is carried out on the sub-flow process of the drainage port, and a time sequence flow process considering drainage capacity constraint is formed; s5, calculating the segmented delay of the propagation time lag to the corrected flow, and obtaining an improved total flow process; the improved urban rainstorm basin outlet flow simulation is realized by performing space-time reconstruction, space distribution, drainage capacity constraint correction and propagation time delay delay on the flow process.

The invention relates to the technical field of municipal old pipe network repair, and aims to solve the problems that a traditional excavation repair method is long in construction period and affects traffic and environment, and an existing ultraviolet light curing repair technology is not fine in process step and inaccurate in parameter control. The background technology shows that the municipal old pipe network maintenance demand is urgent in the urbanization process, the trenchless repair technology is concerned due to the fact that large-scale excavation is not needed, and the ultraviolet light curing repair technology is rapid in repair and reliable in quality, but the steps of pipeline pretreatment, material preparation and the like are lack of standardized processes. And improper control of key parameters such as curing temperature and time easily affects the performance of the lining pipe. On the basis, according to the non-excavation ultraviolet light curing repair construction method for the municipal old pipe network, through refined steps and strict parameter control, the repair effect and efficiency are improved, the influence on normal operation of a city is reduced, and an optimization scheme is provided for pipe network maintenance.

The application discloses a kind of county village's job-housing balance evaluation and early warning method and system, belong to job-housing balance evaluation field.The application has adopted process analysis method, according to the time-space behavior of residents reflects the job-housing commuting characteristics of residents in county, the flow direction, quantity, distance and other elements of population flow are identified through massive mobile phone signaling data, in turn through process test to determine whether there is a large number of overlong commuting distance event in town unit, if there is, trigger early warning auxiliary system, should be through planning means to further strengthen the resource input and element configuration of the town, to alleviate the condition of job-housing over separation, promote the overall level of urban-rural integration of county.The application pays attention to under the background of high-quality urbanization still exists heavy city light rural element configuration mode, lead to a large number of town population job-housing mismatch problem, can assist the investment decision of county and promote the further development of town.

The present application relates to the field of geographic information analysis, and particularly relates to a cityization influence threshold identification method and device for supply and demand of coastal wetland ecological function, based on spatial position coordinate data of a plurality of grid units in a coastal area, a cityization level comprehensive index, and a supply and demand ratio of comprehensive ecological function of the coastal wetland, a preset initial spatial weighted threshold identification model is fitted to identify a critical point of the cityization level on the supply and demand relationship change of the ecological function of the coastal wetland, to reflect the stage response characteristics of the supply and demand of the ecological function of the coastal wetland to the cityization and the spatial heterogeneity characteristics of the cityization influence mechanism in different geographic units, to effectively identify the spatial difference threshold characteristics of the supply and demand relationship of the ecological function of the coastal wetland in the response process to the cityization, and to provide a refined and partitioned scientific basis for regional ecological management strategies.

The application discloses a time-varying runoff coefficient calculation method and system reflecting urbanization underlying surface regulation and storage, and steps are as follows: S1, obtaining rainfall data of a city research area, drawing a column chart and a curve chart of a rainfall process, and extracting high-precision digital surface model data by using high spatial resolution satellite stereo image pair data; S2, performing grid processing on the high-precision digital surface model data, constructing a grid type, and performing land utilization division and extraction analysis; S3, calculating hydrological parameters including a basin water content parameter, vegetation interception, a filling and depression parameter and a infiltration parameter; S4, calculating building roof runoff, effective impervious area, non-effective impervious area, pervious area and water area based on the rainfall process, the land utilization division and the hydrological parameters; and S5, calculating a time-varying runoff coefficient. The application can accurately evaluate the availability of rainfall water resources, provide scientific guidance for urban rainwater collection and utilization, and provide a more reliable basis for urban flood forecasting and drainage system design.

The application provides a kind of urbanization threshold determination method based on multi-objective optimization under water resource constraint, which determines water intensity under different efficiency scenarios through panel quantile regression, reduces the subjective setting degree of water demand parameters, and improves the accuracy of water demand parameter identification under different efficiency states.In addition, urban population, added value of the secondary industry and added value of the tertiary industry are taken as decision variables, and a multi-objective optimization function is constructed under the constraints of water resource rigidity, urban development boundary and variable boundary, realizing the collaborative solution of the relationship between urbanization scale expansion and water resource constraint.The scheme determines the urbanization threshold range based on the multi-objective optimal solution set, combined with ideal point distance identification, inflection point identification and marginal cost jump verification, which can more truly reflect the multi-objective trade-off relationship between non-agricultural comprehensive output, water resource pressure and regional development imbalance, and improve the stability and planning applicability of threshold identification.

The present invention proposes a method for automatically identifying urban and suburban areas using an unsupervised machine learning algorithm. This method uses building outline data to automatically calculate building morphological features, obtains key indicators that reflect the degree of urbanization through feature extraction, and automatically identifies the spatial extent of urban and suburban areas using an unsupervised machine learning algorithm. This method can reduce manual intervention, simplify the workflow for demarcating urban and suburban boundaries, and can finely identify the spatial extent of areas with different degrees of urbanization. The method is highly repeatable and efficient, can quickly process large-scale data, and achieve efficient identification of urban and suburban areas. It provides a base map reference and technical support for the construction of a "one map for national land space planning" in the context of national land space planning.

The invention discloses a valley-type city-oriented air pollution quantitative analysis method and system, and the method comprises the steps: obtaining the historical pollution data of a target valley city, and constructing a data input queue which comprises a real reference scene, a terrain-free scene, a city-free scene, and a scene which does not comprise a real reference scene, a terrain-free scene, a city-free scene, and a scene which does not comprise the terrain-free scene and the city-free scene; driving a meteorological-chemical numerical simulation model coupled with the urban canopy model to execute each scene simulation to obtain a corresponding pollution concentration result queue; calculating and generating three independent component queues of urbanization individual influence, terrain individual influence and cooperative influence of the urbanization individual influence and the terrain individual influence by utilizing a contribution decomposition algorithm; through iterative judgment and optimization, enabling the cooperative influence to meet a preset requirement; and finally generating a spatial quantization map based on each component queue. According to the method, accurate decoupling and quantitative separation of the terrain and urbanization cooperative pollution effect are realized, the problem that a traditional method is difficult to quantify complex interactive influence is solved, and a direct quantitative decision basis is provided for accurate planning and pollution prevention and control of river valley cities.

The invention belongs to the technical field of power system load prediction, and particularly relates to a regional long-range and recent-mid-term comprehensive load prediction method, which comprises the following specific steps: widely collecting various load-related data including but not limited to historical power load data, economic data, meteorological data and policy documents, and carrying out load prediction for long-range prediction; social data such as macroeconomic development, long-term energy strategy policy information, population growth trend and urbanization process are focused on; for recent-middle-stage prediction, real-time economic fluctuation data tracking, short-term weather forecast and recent industrial policy adjustment details, uncontrollable interference is converted into computable variables through a closed-loop design of uncertainty factor quantification, time-phased model adaptation, data full-life-cycle treatment and dynamic updating iteration, and therefore the accuracy and the reliability of the system are improved. Data defects are made up through technical means, and finally high-precision and anti-interference prediction of long-range and near-and-medium-term loads is achieved.

The invention relates to the technical field of urbanization level evaluation, and particularly discloses an urbanization comprehensive level index optimization method, system and device and a storage medium, and the method comprises the steps: constructing a living standard urbanization index for evaluating the urbanization comprehensive level, determining POI data corresponding to the POI category required for constructing the living standard urbanization index of the target area; according to the social economic data of the target area and the POI data, constructing a living standard index spatial distribution map of the target area; and in combination with the living standard index spatial distribution map, performing normalization processing on the urbanization comprehensive level indexes including the living standard urbanization indexes of the target area to obtain the optimized urbanization comprehensive level indexes of the target area. According to the method, multiple aspects of daily life of residents are covered, construction of an urbanization development index system is perfected, and an important theoretical basis is provided for urbanization level evaluation.

The invention provides a simulation and evaluation method and system for urban composite water pollution, and the method comprises the steps: taking a rainstorm management model SWMM as a basic platform, dividing a sub-basin and a spatial patch, and building a spatial association relationship among the spatial patch, the sub-basin, a sewer network and an inspection well; a water power module, a runoff pollution module and a combined system overflow CSO pollution module are constructed respectively, coupling among the modules is established to obtain a coupling model, output of the water power module drives load calculation of the runoff pollution module and the CSO pollution module, pollution loads of the runoff pollution module and the CSO pollution module are summarized, and combined pollution total output is obtained; acquiring climate prediction data and urbanization prediction data of a future scene, performing downscaling and standardization processing on the climate prediction data and the urbanization prediction data respectively, generating input data matched with the scale of the coupling model, inputting the input data into the coupling model, and performing simulation to obtain pollution results under different future scenes; according to the method, the simulation precision, prediction reliability, prevention and control targeting and planning adaptability of urban combined pollution are improved.

The invention discloses a quantitative analysis method and system for an urbanization intensity index. The method comprises the following steps: acquiring streetscape image data of a target city; according to the streetscape image data, determining an unconstructed total area of the unconstructed environment and a constructed total area of the constructed environment; calculating Shannon entropy of various elements in the unconstructed environment and the constructed environment; and carrying out weighted calculation on the total unconstructed area and the total constructed area by adopting Shannon entropy to obtain the urbanization intensity index of the target city. Therefore, by adopting the embodiment of the invention, the area proportion of the built environment relative to the unbuilt environment is measured, and the Shannon entropy is introduced as a weighting factor of the structural complexity, so that the coupling relationship between the urban space development scale and the functional diversity is disclosed, the urbanization intensity of different regions in the city can be accurately evaluated, and the urban development efficiency is improved. And meanwhile, the accuracy of urban space function diversity evaluation is improved.

The invention provides a comprehensive analysis method and system for a long-term coupling relationship between urban development and an urban thermal environment. The method comprises the following steps: S1, acquiring and preprocessing surface temperature data and night light intensity data; s2, based on the preprocessed data, interaction relation analysis of the surface temperature and the night light intensity is carried out, wherein the interaction relation analysis comprises the steps that the long-term change trend of the surface temperature and the night light intensity is calculated; evaluating the correlation between the surface temperature and the dynamic change trend of the noctilucent intensity; calculating the double-variant spatial autocorrelation of the surface temperature and the luminous intensity; an LST-NTL change trend coupling coordination degree model is constructed, and the coordination degree of the thermal environment and the urbanization level is measured; and S3, comprehensively analyzing a result, and revealing a spatial law and an internal mechanism of co-evolution of the surface temperature and the luminous intensity in the urban development process. Theoretical support and scientific basis are provided for urban thermal environment optimization and toughness improvement, and policy making of low-carbon urban construction and climate adaptation type space governance is assisted.

The invention belongs to an expressway in an urbanization area. The invention aims to improve the safety and mobility of road users, reduce energy consumption and environmental pollution and create an enterprise logistics system. The core of the invention is that the forward high-speed lane is located on the left side, the reverse high-speed lane is located on the right side, and the distance between the two lanes can accommodate company buildings. The vehicles are connected through a low-speed one-way traffic lane and can reach a commercial district, a passenger getting-on and getting-off point and a parking lot only at a right-hand curve. In order to ensure safe passage of pedestrians, bicycle riders and light motorcycles, a special passage is arranged on a second plane along the road between the buildings. A passenger tramcar with a loading and unloading area and loading and unloading equipment, a freight tramcar and a passenger traffic infrastructure are arranged below the special passage and on the underground part. And a logistics base is planned at the tail end of the track. And the second plane of the underground part comprises subway trains and infrastructures for passenger transportation. These purposes are achieved by avoiding intersections of traffic aisles and creating a reasonable multi-mode transportation and logistics system.

Solid waste management is a pressing environmental issue due to rapid urbanization and population growth. Researchers are turning to organic farming as a solution to resource depletion. Disposing of sewage sludge can lead to environmental degradation and the spread of diseases. Developing a cost-effective phosphate fertilizer from sewage sludge would benefit water and sewage companies, as well as farmers and agricultural companies. Producing a low-cost phosphate fertilizer from sewage sludge with sonoleaching method, could address environmental pollution and provide economic benefits.

The invention discloses an expressway reconstruction and extension traffic organization scheme digitization method, and relates to the field of expressway reconstruction and extension, and the method comprises the steps: obtaining reconstruction and extension design data and traffic volume information; constructing a traffic organization design object; dividing sections; determining a communication keeping stage; calculating the traffic capacity; based on the obtained traffic capacity of the project road section in the construction period, preliminarily calculating the number of traffic lanes, the width of the traffic lane and the lateral clear width parameters meeting the traffic capacity condition; on the basis of the obtained value ranges of the construction area, the isolation facility, the lateral surplus width, the number of lanes and the width of the lanes in the traffic keeping section of each stage, road section scheme evaluation is carried out, section composition is optimized and combined, and a final overall traffic keeping scheme is obtained. The method breaks through a design-verification-optimization closed loop, has good engineering application prospects and popularization value, and can effectively support efficient, safe and accurate implementation of highway reconstruction and extension projects in complex urbanization areas.

The application discloses a kind of atmospheric pollution quantification analysis method and system for valley type city, method includes: obtaining the historical pollution data of target valley city, constructs and includes four groups of scene data input queue of real benchmark, no terrain, no city and no two thereof;Drive the meteorology-chemical numerical simulation model coupled with city canopy model to execute each scene simulation, obtain corresponding pollution concentration result queue;Three independent component queues of city influence, terrain influence and the synergistic effect of both are calculated and generated using contribution decomposition algorithm;Through iteration judgment and optimization, make synergistic effect meet preset requirements;Finally, generate spatial quantification atlas based on each component queue.The application realizes the accurate decoupling and quantitative separation of terrain and urbanization synergistic pollution effect, solves the problem that traditional method is difficult to quantify complex interaction, provides direct quantitative decision basis for precise planning and pollution prevention and control of valley type city.

The invention relates to the field of daily consumer goods, in particular to a rotary folding clothes hanger, and compared with known and disclosed folding clothes hanger products, the rotary folding clothes hanger has obvious advantages in structure, function, appearance and innovativeness. As a common airing tool, the clothes hanger has quite high universality in daily life, along with the development of urbanization, the living space becomes smaller, and people start to pursue miniaturization, foldability, intellectualization and portable storage from the simple practical requirement for the clothes hanger. The clothes hanger is foldable, so that the storage space and the transportation cost of the product can be greatly reduced. However, in the prior art, the clothes hanger is small in folding size, simple in structure, attractive and fashionable. The folding clothes hanger aims to meet the folding requirement of the clothes hanger, the space size of the clothes hanger is reduced, and the clothes hanger is convenient to store and transport and has the advantages of being fashionable and attractive. Meanwhile, the design has the advantages of being simple in structure, low in machining difficulty, few in parts and small in size after being folded.

This invention proposes a method and system for assessing the drought impact of urbanization based on multi-source data fusion, belonging to the technical field of environmental monitoring. The method includes acquiring a first dataset of an urban area, which is a multi-dimensional spatial dataset; performing multi-source data fusion on the first dataset using the entropy weight method to obtain first data corresponding to the first dataset; and generating an ecological risk level distribution map corresponding to the urban area based on the spatial distribution relationship between various types of index data in the first data, wherein the ecological risk level distribution map is a drought impact risk map of urbanization. This invention can objectively and accurately assess the ecological impact of urbanization, providing a direct scientific basis for urban planning and ecological management.

This invention provides a method for the integration and coordination of urban functions based on urbanization characteristics, comprising the following steps: S1: Constructing a classification dataset of urbanization characteristics; S2: Generating a quantitative analysis report of urbanization characteristics; S3: Constructing an urban function classification system; S4: Creating a target system document for urban function integration; S5: Designing an urban function integration layout scheme; S6: Constructing an urban function coordination mechanism. This invention, through the integration of quantitative algorithms and multi-dimensional coordination mechanisms, breaks through the limitations of traditional planning, ensuring that urban functions are spatially integrated, coordinated in operation, and adaptable in development, providing systematic technical support for improving the quality of urbanization.

The application discloses a kind of urbanization agricultural soil quality monitoring methods based on minimum data set, belong to soil quality monitoring field, comprising: according to soil monitoring requirement, set soil sampling site, and according to the soil sample obtained by collection, obtain soil quality index data, utilize principal component analysis method to obtain the minimum data set of soil quality index data;And by soil scoring function, cross validation and spatial interpolation method are handled, obtain visual soil quality monitoring result.The application utilizes minimum data set, only needs to determine less data to understand the change of urbanization agricultural soil, while ensuring the accuracy of monitoring, avoid data redundant, to reduce the research cost and period of soil quality monitoring;At the same time, by spatial interpolation method, the cost and time consumption of soil quality monitoring can be reduced, and the change of soil quality is monitored quickly.

The invention discloses a highly urbanized region territorial space planning system reconstruction method, and relates to the technical field of territorial space planning. The method comprises the following steps: carrying out multi-dimensional granulation splitting on stock territorial space based on a reconstruction object to obtain multi-dimensional space particles; obtaining each particle attribute vector, and constructing a spatial particle attribute database; constructing a particle recombination constraint rule set; performing collaborative gain analysis on the database under the rule set, and screening a corresponding optimal planning scheme meeting a preset threshold value; and outputting a stock territorial space particle size planning result according to the scheme. The technical problems that when an existing planning system faces stock space updating in a highly-urbanized region, coordination is difficult, flexibility is insufficient, conduction loss exists, and refined and collaborative treatment is difficult to achieve are solved, and the purposes that stock territorial space multi-dimensional element refined splitting, collaborative optimization and grain level reconstruction are achieved under the multiple constraint conditions, and the planning efficiency is improved are achieved. And the scientificity, the adaptability and the implementation efficiency of territorial space planning are improved.

The invention relates to an urbanization land efficiency evaluation method and device fusing multi-source geographic space data, and relates to the technical field of geographic information processing. The method comprises the following steps: firstly, dividing land units, and constructing a multi-layer feature set containing natural environment, built-up environment and functional benefits; a spatial neighborhood set is constructed through Euclidean distance, and natural and constructed environment similarity neighborhood sets are screened out in combination with Mahalanobis distance; calculating the expectation and standard deviation of the similarity neighborhood set of the natural environment, and obtaining the physical construction efficiency through truncation normalization and weighted fusion; based on the established environment similarity neighborhood set, the function output efficiency is solved by adopting an ensemble learning and data envelope method; and finally, integrating the efficiency of all land units to complete region evaluation. According to the method, evaluation robustness is improved, geographical heterogeneity deviation is eliminated, layered evaluation is realized, and technical support is provided for intensive utilization of urban land.

This invention provides a method and system for analyzing the efficiency of industrial land use based on multi-source spatiotemporal data. By collecting and preprocessing multi-source spatiotemporal data, and using intelligent recognition for data spatial fusion and information extraction, it identifies and classifies multi-dimensional inefficient land use, analyzes the causes of inefficient industrial land use, predicts future efficiency trends of inefficient industrial land use, and finally generates an intelligent report. This achieves a comprehensive, dynamic, and causal assessment and prediction of construction land efficiency. This invention responds to the core requirement of new urbanization and urban renewal policies to improve the level of economical and intensive land use.

The invention relates to the field of coastal wetland identification, in particular to a coastal wetland monitoring unit identification method for an urbanization scene, and the method comprises the steps: obtaining an ecological suitability index of a plurality of grid units of a to-be-planned region and a coastal zone urbanization index through constructing an ecological and urbanization cooperatively-driven monitoring division system; according to the method, the whole-process dynamic response from data acquisition to hierarchical management is realized, the change trend of the coastal wetland is accurately reflected, and the coastal wetland monitoring units are identified based on the ecological suitability index and the coastal zone urbanization index by adopting a clustering classification method, so that the whole-process dynamic response from data acquisition to hierarchical management is realized; according to the method, the change trend of the coastal wetland is accurately reflected, the precision and adaptability of coastal wetland monitoring unit division are improved, ecological restoration, space management and control and green transformation are effectively supported, and regional sustainable development and ecological safety guarantee are promoted.

This invention relates to the field of network analysis and discloses an urbanization spatial correlation network analysis system based on territorial spatial planning. The system includes standardizing multi-dimensional indicators reflecting scientific and educational innovation, urban and rural development, ecological livability, and livelihood security to form urbanization functional state vectors for each town; introducing population size, economic scale, and spatial distance constraint factors to construct an urbanization spatial interaction matrix and generate a spatial correlation network and record network structure parameters; calculating the overall network density, hierarchical characteristics, and node centrality parameters to generate a set of parameters influencing collaborative constraint factors; identifying the development stage of the urbanization spatial correlation network and generating a set of staged collaborative regulation strategies; and simulating and analyzing the resource allocation process between town nodes to output feasible cross-city resource allocation intervals that meet the requirements of network stability and collaborative efficiency. This invention has the advantages of improving scientific rigor and operability.

The invention provides an urban function compounding and coordinating method based on urban urbanization features. The method comprises the following steps: S1, constructing an urban urbanization feature classification data set; s2, generating an urban urbanization characteristic quantitative analysis report; s3, constructing a city function classification system; s4, making a city function composite target system file; s5, designing an urban function composite layout scheme; and S6, constructing an urban function coordination mechanism. According to the invention, through fusion of a quantification algorithm and a multi-dimensional coordination mechanism, traditional planning limitation is broken through, spatial combination, coordination in operation and adaptation in development of urban functions are ensured, and systematic technical support is provided for urbanization quality improvement.

The invention provides an urban ecological corridor connectivity evaluation method and system based on field observation. The method sequentially comprises the steps of selecting an object gallery and preparing data of the object gallery; calculating an integral morphological structure index, an internal habitat characteristic index, a potential man-made interference index and a wild animal utilization index of the object corridor; calculating a comprehensive evaluation index of the corridor connectivity; and judging the connectivity of the object corridor according to the comprehensive evaluation index of the corridor connectivity. According to the method, on-site evaluation is carried out on the connectivity of the real urban ecological corridor based on the on-site observation data, the defect that previous ecological corridor connectivity evaluation depends on model simulation is overcome, the method has higher practical application value, corridor connectivity evaluation is more visual, systematic and comprehensive and is more suitable for urbanization dynamic changes, and the method is suitable for popularization and application. Therefore, the communication function and the ecological benefit of the urban ecological corridor are maximized.