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Analysis and evaluation method for inrush mountain torrent disasters of regions without data

An analysis and evaluation technology without data, applied in the field of mountain torrent disaster analysis and evaluation

Active Publication Date: 2017-06-23
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for analyzing and evaluating dike-burst type mountain torrent disasters in areas without data, thereby solving the aforementioned problems existing in the prior art

Method used

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  • Analysis and evaluation method for inrush mountain torrent disasters of regions without data
  • Analysis and evaluation method for inrush mountain torrent disasters of regions without data
  • Analysis and evaluation method for inrush mountain torrent disasters of regions without data

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Embodiment

[0066] refer to figure 1 , the method for analyzing and evaluating the dike-break type mountain torrent disaster in the area without data described in the present embodiment, the method includes:

[0067] S1, Get the basic information of the project area

[0068] The basic information includes: geographic location, social and economic situation, river system, geological landform, soil type and distribution, climate and meteorology, land use type, historical mountain torrent disasters and current situation of mountain torrent disaster prevention and control;

[0069] S2, data evaluation

[0070] On the basis of the working base map and basic information, analyze and obtain the river position, topography and flood control status of any evaluation object in the project area;

[0071] S3, analysis and evaluation processing

[0072] According to the basic data of the evaluation object, use hydrological tools to divide the water system of the evaluation object and its surrounding...

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Abstract

The invention discloses an analysis and evaluation method for inrush mountain torrent disasters of regions without data, and relates to the field of mountain torrent disaster analysis and evaluation. The method comprises the steps that the basic information of a project area is obtained; the landform, the river position form and the flood control current situation of an evaluated object are obtained; the catchment area and runoff components of the dike confluence drainage basin of each small watershed in the obtained evaluated object are determined; rainstorm parameter calculation, rainstorm calculation and concentration-time-based rainstorm time interval distribution of the evaluated object are obtained; flood calculation is designed, and the water level and flow relation of a riverway section, prone to inrush, of the evaluated object is obtained; the riverway flood control current situation in the evaluated object is determined, and accordingly danger zone grade division is conducted; and an early warning point is established, the early warning water level of the analyzed and evaluated object is determined, and the early warning index of the analyzed and evaluated object is formulated. According to the analysis and evaluation method, the inrush mountain torrents serves as the main analyzed and evaluated object, and a current riverway flood control current situation evaluation method and an early warning index analysis method are provided.

Description

technical field [0001] The invention relates to the field of analysis and evaluation of mountain torrent disasters, in particular to an analysis and evaluation method of dike-break type mountain torrent disasters in areas without data. Background technique [0002] In recent years, Xinjiang has been affected by various conditions such as complex topography, heavy rain, and snowmelt. Mountain torrent disasters have become increasingly prominent, not only posing great damage and threats to the safety of people's lives and property, but also causing devastating damage to infrastructure. , has become a prominent problem in disaster prevention and reduction, and is one of the main restrictive factors for the XPCC's economic and social sustainable development. [0003] At present, the evaluation and analysis methods of mountain torrent disasters are mostly based on hydrological, meteorological and other data information, and after the calculation of heavy rain and flood, the analy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B1/00
CPCY02A10/30E02B1/00
Inventor 雷晓辉刘欣蔚廖卫红王明元权锦殷兆凯蒋云钟秦韬蔡思宇
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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