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Runoff simulation analysis method and system suitable for alpine region and medium

A technology for simulation analysis in alpine regions, applied in design optimization/simulation, instrumentation, electrical digital data processing, etc., can solve problems such as superposition, obvious differences in precipitation distribution, and difficulty in effectively applying traditional hydrological models, and achieve the effect of improving simulation capabilities

Active Publication Date: 2022-07-29
PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION
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  • Application Information

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Problems solved by technology

However, the temperature and precipitation distribution in alpine regions are significantly different due to differences in altitude, and superimposed snow accumulation, freeze-thaw and other processes make it difficult for traditional hydrological models to be effectively applied, which in turn causes difficulties in the simulation and analysis of runoff in alpine regions

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  • Runoff simulation analysis method and system suitable for alpine region and medium
  • Runoff simulation analysis method and system suitable for alpine region and medium
  • Runoff simulation analysis method and system suitable for alpine region and medium

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Embodiment Construction

[0176] In order to make those skilled in the art better understand the solutions of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of this application.

[0177] Reference in this application to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodi...

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Abstract

The invention discloses a runoff simulation analysis method and system suitable for an alpine region and a medium, and the method comprises the steps: firstly, on the basis of calculation unit division, comprehensively considering the influence of altitude and the daytime distribution of air temperature, and more finely simulating the air temperature and rainfall of the alpine region; soil is generalized into three layers, the temperatures of an upper soil layer, a lower soil layer and a deep soil layer are respectively calculated by adopting a soil temperature equation, the freeze-thaw states of the soil layers are decomposed into four types, evapotranspiration and runoff production processes in different soil freeze-thaw states are respectively calculated, confluence is calculated in combination with a landform unit line, and parameter calibration is performed through an SCE-UA algorithm. Therefore, simulation analysis of the rainfall runoff process in the alpine region is realized. According to the invention, the simulation capability of the hydrological process of the alpine region is improved, and support is provided for hydrological process simulation of the alpine region, influence analysis of climate change, water resource management in a changing environment and the like.

Description

technical field [0001] The invention belongs to the technical field of water cycle process analysis and hydrological simulation, and particularly relates to a runoff simulation analysis method, system and medium suitable for alpine regions. Background technique [0002] The land area of ​​China's cold region is 4.174 million km2. It is the birthplace of major rivers and rivers in China and the main surface water source in semi-arid regions. It is also a water tower in arid regions. High altitude (about 70% of the area of ​​cold regions) is a feature of cold regions in China. The study of hydrological processes in alpine mountains is the basis for water resource estimation and water source protection in western China, and is the key to understanding the water cycle process in inland river basins. Climate change accelerates the regional hydrological cycle, especially in high latitudes and high altitudes. The increase in temperature will increase the amount of snow and glaciers...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F119/02
CPCG06F30/20G06F2119/02Y02A90/10
Inventor 贾文豪陈牧风王建群杨芳王森张康董增川姚弘祎陈娟
Owner PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION
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