Simulating and predicting method of urban storm flood

A prediction method and urban rainstorm technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems that do not meet the requirements of fast, efficient, and intuitive disaster prediction work

Active Publication Date: 2010-04-14
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

This method does not meet the requirements of f

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  • Simulating and predicting method of urban storm flood
  • Simulating and predicting method of urban storm flood
  • Simulating and predicting method of urban storm flood

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Embodiment Construction

[0015] The method for simulating and predicting urban stormwater disasters provided by the present invention firstly modifies the SWMM data model, and embeds the SWMM calculation kernel on the GIS platform, thereby integrating the urban rainstorm management model SWMM and GIS into one platform, and then divides the sub-basin and obtains the information obtained by the model. Parameters are required, so that SWMM can directly use GIS data in the platform to simulate and calculate the water depth and drainage of the drainage pipe network, and realize the three-dimensional dynamic 4D simulation of the process of rising and falling of geographical accumulation of water and the three-dimensional visualization of the underground pipe network through the GIS platform.

[0016] Such as figure 1 As shown, the SWMM calculation kernel is embedded in the GIS integration platform for urban storm water disaster simulation and prediction, and the access to the multi-user spatial database is s...

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Abstract

The invention provides a simulating and predicting method of urban storm flood, which comprises the following steps: A. modifying and enabling a storm radial flow management model to accord with a data model of a geographic information system; B. embedding a counting kernel of the storm radial flow management model into the geographic information system by the geographic information system; C. dividing a sub drainage area of an investigating area; D. utilizing the geographic information system to obtain parameters required by each model; E. carrying out analog computation in the geographic information system by the storm radial flow management model; and F. realizing three-dimensional visualization according to a result of the analog computation. The simulating and predicting method of urban storm flood can effectively improve the predicting efficiency of the urban storm flood, realize informatization and numeralization of the urban flood prediction, and provide rapid, accurate and intuitive effective prediction for the location, the depth, the time and the duration of the seeper of the urban storm flood so as to provide decision supports for the disaster prevention and mitigation.

Description

technical field [0001] The invention relates to flood disaster prediction technology, more specifically, to a method for simulating and predicting urban rainstorm water disasters. Background technique [0002] Flood disaster has always been a natural disaster that plagues the development of human society. Flood disaster prediction is one of the core contents of flood control and disaster reduction. At present, the management of water disasters utilizes geographic information system (Geographic Information System, referred to as "GIS") technology, remote sensing technology (Remote Sensing, referred to as "RS") and Global Positioning System (Global Positioning System, referred to as "GPS") technology, as well as rainstorm prediction technology, flood forecasting technology, etc. to simulate and predict. However, this management method is relatively independent in completing various tasks, and does not integrate all technologies into one platform, which is not conducive to rap...

Claims

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Application Information

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IPC IPC(8): G06F19/00G01W1/00
CPCY02A90/10
Inventor 胡金星刘为
Owner SHENZHEN INST OF ADVANCED TECH
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