A method and device for assessing the risk of debris flow based on the solid source subsystem

A technology of debris flow and solid objects, which is applied in the field of debris flow risk assessment to achieve the effect of important application value

Active Publication Date: 2021-04-30
GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The scheme provided according to the embodiment of the present invention solves the key judgment and evaluation problems existing in the disaster prevention and reduction work such as the identification of potential debris flow ditch, the risk of debris flow, etc.

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  • A method and device for assessing the risk of debris flow based on the solid source subsystem
  • A method and device for assessing the risk of debris flow based on the solid source subsystem
  • A method and device for assessing the risk of debris flow based on the solid source subsystem

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Embodiment Construction

[0055] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0056] figure 1 It is a flow chart of a debris flow risk assessment method based on the solid source subsystem provided by the embodiment of the present invention, as shown in figure 1 shown, including:

[0057] Step S1: Obtain the area data of the whole basin, the area data of solid sources, the minimum elevation data and the maximum elevation data of the debris flow basin to be assessed;

[0058] Step S2: Using the acquired area data of the whole basin, area data of solid source, minimum elevation data and maximum elevation data, construct the state variables of the subsystem of solid source of debris flow basin;

[0059] Step S3: Using the constructe...

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Abstract

The invention discloses a mud-rock flow risk assessment method and device based on a solid source subsystem. The method comprises: acquiring the area data of the whole basin of the debris flow basin to be evaluated, the area data of the solid matter source, the minimum elevation data and the maximum elevation data; Using the acquired area data of the whole watershed, solid material source area data, minimum elevation data and maximum elevation data, construct the state variables of the solid source subsystem of the debris flow basin; use the constructed state variables of the solid source subsystem of the debris flow basin to construct the debris flow An information entropy model of the solid matter source subsystem of the watershed; using the constructed information entropy model of the solid matter source subsystem of the debris flow watershed to carry out risk assessment on the debris flow watershed to be assessed.

Description

technical field [0001] The invention relates to the technical field of disaster risk assessment, in particular to a debris flow risk assessment method and device based on a solid source subsystem. Background technique [0002] Debris flow refers to a special torrent that carries a large amount of solid materials such as mud, sand, and stones in valleys or hillsides under the action of surface water formed by precipitation, dam breaks, or melting ice and snow. , has strong destructive and impact power, and poses serious threats and dangers to mountainous towns, villages, transportation, electricity, communications, water conservancy, mining, agriculture, and ecology. As we all know, debris flow disaster is a system problem, and the debris flow system is an open dynamic system. The energy distribution and interaction results of the system directly determine whether the watershed is a debris flow ditch and the risk of debris flow. However, there is no relevant research and dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/26G06F17/15
CPCG06F17/15G06Q10/0635G06Q50/26
Inventor 王钧宇岩袁少雄陈军黄光庆宫清华
Owner GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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