Topological network division-based low mountain and hilly area binary water circulation model construction method

A binary water cycle model for low hilly areas is constructed by using a topological network partitioning method. This model deeply couples natural hydrology with socio-economic water use processes, solving the problem of insufficient applicability of existing models in low hilly areas. It achieves accurate simulation and long-term adaptive improvement, making it suitable for the optimal allocation of water resources in low hilly areas.

CN122389418APending Publication Date: 2026-07-14CHINA THREE GORGES UNIV
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Patent Information

Application Number
CN202610367270.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-24
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing water cycle models are not sufficiently applicable in low mountain and hilly areas, making it difficult to accurately depict the synergistic effects of natural hydrological processes and socio-economic water use processes. Furthermore, their long-term simulations have poor adaptability and cannot meet the needs of regional water resource optimization and sustainable management.

Method used

A topology-based approach is adopted to construct a binary water cycle model for low hilly areas through steps such as multi-source heterogeneous data acquisition and preprocessing, hydrological unit division and topology network construction, parameter extraction and quantification, coupled model building and parameter matrix generation, and dynamic updating. This model deeply couples the natural water cycle with socio-economic water use processes and introduces a sliding time window and Kalman filter dynamic update mechanism to improve long-term time series adaptability.

Benefits of technology

It achieves accurate simulation of the natural water cycle and socio-economic water use processes in low mountain and hilly areas, improves the adaptability and accuracy of the model, provides a scientific basis for the optimal allocation of regional water resources, and is applicable to water resource management in low mountain and hilly areas.

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Abstract

The invention discloses a low mountain and hilly area binary water circulation model construction method based on topological network division, belongs to the technical field of water circulation model construction, and aims to solve the problems that an existing model is difficult to adapt to complex terrain hydraulic characteristics of a low mountain and hilly area, natural-social binary water circulation coupling is insufficient, and long-time-sequence simulation precision is poor. The method comprises the following steps: acquiring multi-source heterogeneous data, dividing minimum hydrological units and constructing a four-stage water supply topology network; key parameters are extracted through a binary driving analysis model, and the terrain and human activity synergistic effect is quantified; generating a core parameter matrix through a topological adaptation coupling model and multi-objective optimization; a complete model is constructed by fusing improved distributed hydrological simulation and a social water consumption regulation and control module, and binary water circulation dynamic coupling simulation is realized by combining multi-index calibration and parameter dynamic updating. According to the method, the complex hydraulic connection and human activity intervention effect are accurately described, the simulation precision and the long-time sequence adaptability are improved, the model operability is high, the application range is wide, and reliable technical support is provided for efficient utilization and management of water resources in low mountains and hilly areas.
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