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A Flood Risk Prediction Method Based on Torrential Rain Process

A technology for risk forecasting and flooding, applied in forecasting, instrumentation, clustering/classification of other databases, etc., can solve the problems of lack of reference significance for forecasting, low forecasting accuracy of refined forecasting information, etc., and achieve wide adaptability and high forecasting accuracy Effect

Active Publication Date: 2021-10-12
XIAN UNIV OF TECH
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Problems solved by technology

However, the forecast accuracy of its refined forecast information is low, and it does not have forecast reference significance

Method used

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  • A Flood Risk Prediction Method Based on Torrential Rain Process

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Embodiment Construction

[0051]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0052] According to an embodiment of the present invention, a flood risk prediction method based on a rainstorm process is provided.

[0053] like figure 1 As shown, the flood risk prediction method based on the rainstorm process according to the embodiment of the present invention comprises the following steps:

[0054] Step S1, pre-collect the meteorological data of the time period of the flood in the area to be measured, and obtain the airflow trajectory information of the corresponding pe...

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Abstract

The invention discloses a flood risk prediction method based on a rainstorm process, and relates to the technical field of flood risk prediction, comprising the following steps: pre-collecting meteorological data during the flood occurrence period of the area to be measured, and obtaining airflow trajectory information of the corresponding period based on the HYSPLIT model ;Collect GFS information and use it as the input information of WRF model initial data field data, and carry out downscaling numerical simulation of various types of flood-causing storm processes; Based on the obtained flood hazard characteristic information, flood exposure characteristic information and social vulnerability Based on the characteristic information, assess the flood risk and determine the flood risk level; based on the precipitation storm center and time distribution in the area to be measured, the flood risk level and the occurrence law of the flood process line, the disaster-caused flood is predicted. The invention realizes flood risk assessment from multiple angles, not only has high flood prediction accuracy, but also can observe water vapor, has high prediction accuracy and wide adaptability.

Description

technical field [0001] The invention relates to the technical field of flood risk prediction, in particular to a flood risk prediction method based on a rainstorm process. Background technique [0002] Precipitation is an important link in the circulation process of hydrological system. With the expansion of precipitation range, increase of precipitation amount and increase of precipitation intensity, the destructive power of flood is also increasing. As a result, it will cause serious harm to the economic development of the entire region. For this reason, how to better predict floods in a relatively short period of time is one of the key issues that need to be solved urgently in the field of water information. [0003] At present, the occurrence of most mountain torrent disasters is mainly caused by heavy rain. Rainstorms that cause floods are called "flood-causing rainstorms." High-quality and high-resolution rainfall forecast is one of the important prerequisites for fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26G06F16/29G06F16/906
CPCG06Q10/04G06Q10/0635G06Q50/26G06F16/29G06F16/906Y02A10/40
Inventor 权全杨思敏许美娇梁伟佳李平治雷景春高少泽
Owner XIAN UNIV OF TECH
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