CN111476976A - Dynamic analysis system for reservoir rainstorm early warning threshold - Google Patents
Dynamic analysis system for reservoir rainstorm early warning threshold Download PDFInfo
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- CN111476976A CN111476976A CN202010350703.2A CN202010350703A CN111476976A CN 111476976 A CN111476976 A CN 111476976A CN 202010350703 A CN202010350703 A CN 202010350703A CN 111476976 A CN111476976 A CN 111476976A
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Abstract
The invention discloses a dynamic analysis system for a reservoir rainstorm early warning threshold value, and mainly relates to the technical field of flood early warning. The method comprises the following steps: the system comprises a basic data acquisition module, a data acquisition module and a data management module, wherein the basic data acquisition module comprises a rainfall data acquisition unit, a runoff data acquisition unit and a reservoir information acquisition unit; the characteristic identification module comprises a rainfall characteristic identification unit, a runoff characteristic identification unit and a reservoir characteristic identification unit; the simulation analysis module comprises a rainfall analysis unit, a runoff analysis unit and a reservoir risk analysis unit; the real-time early warning module comprises a risk judgment unit and an early warning unit. The invention has the beneficial effects that: accurate, timely and effective early warning data can be provided for rainstorm early warning by determining the critical rainfall and reservoir accumulated rainfall process line, and the problems of untimely early warning and early warning transition are avoided.
Description
Technical Field
The invention relates to the technical field of flood early warning, in particular to a dynamic analysis system for a reservoir rainstorm early warning threshold value.
Background
The flood disaster is a global natural disaster with highest occurrence frequency, widest distribution range and most serious loss, generally flood is controlled by building water conservancy projects such as a reservoir and the like, but the flood is controlled simply and does not meet the requirement of sustainable development, the flood prevention and disaster reduction effects do not depend on the flood control capability of human beings, the soundness of a flood management system and the perfection of a flood management mechanism, particularly the determination of a rainstorm early warning threshold value of the reservoir is particularly important, the reservoir is a basic water conservancy project, the flood disaster caused by the bank breaking of the reservoir has great harm to downstream, and the existing small watershed convergence theoretical method and simulation model have the problems of low timeliness and accuracy and untimely and excessive early warning.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a dynamic analysis system for a rainstorm early warning threshold value of a reservoir, which can provide accurate, timely and effective early warning data for rainstorm early warning by determining a critical rainfall and a reservoir accumulated rainfall process line, and avoids the problems of untimely early warning and early warning transition.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a dynamic reservoir rainstorm warning threshold analysis system, comprising:
the system comprises a basic data acquisition module, a data acquisition module and a data management module, wherein the basic data acquisition module comprises a rainfall data acquisition unit, a runoff data acquisition unit and a reservoir information acquisition unit, the rainfall data acquisition unit is used for acquiring rainfall data, the runoff data acquisition unit is used for acquiring surface runoff data and topographic and geomorphic data, and the reservoir information acquisition unit is used for acquiring reservoir water level change data;
the characteristic identification module comprises a rainfall characteristic identification unit, a runoff characteristic identification unit and a reservoir characteristic identification unit, wherein the rainfall characteristic identification unit is used for identifying a storm flood time-space law and a disaster storm threshold value, the runoff characteristic identification unit is used for identifying a runoff infiltration mechanism and a runoff confluence, and the reservoir characteristic identification unit is used for identifying flood disaster characteristics of a reservoir;
the system comprises a simulation analysis module, a storage risk analysis module and a management module, wherein the simulation analysis module comprises a rainfall analysis unit, a runoff analysis unit and a reservoir risk analysis unit, the rainfall analysis unit is used for determining critical rainfall, the runoff analysis unit is used for determining a rainfall runoff related diagram and a unit line, and the reservoir risk analysis unit is used for determining a reservoir accumulated rainfall process line;
the real-time early warning module comprises a risk judgment unit and an early warning unit, the risk judgment unit is used for judging whether the process line of the accumulated rainfall of the reservoir reaches critical rainfall, and the early warning unit is used for carrying out early warning on the flood risk of the reservoir.
Preferably, the rainfall data acquisition unit comprises a satellite remote sensing device, a rain measuring radar device and a weather station.
Preferably, the runoff data acquisition unit comprises a runoff monitoring device and a topographic and geomorphic image acquisition device.
Preferably, the reservoir information acquisition unit comprises a water level and rainfall monitoring device.
Compared with the prior art, the invention has the beneficial effects that:
the invention obtains basic information of rainfall, runoff and reservoir through the basic data acquisition module, identifies and extracts the time-space law of rainstorm flood and disaster rainstorm threshold, runoff infiltration mechanism, production convergence and flood disaster characteristics of the reservoir through the characteristic identification module, determines the critical rainfall and reservoir accumulated rainfall process line by using the analog analysis module, judges and warns according to the critical rainfall and reservoir accumulated rainfall process line by the real-time prewarning module, can provide accurate, timely and effective prewarning data for rainstorm prewarning, and avoids the problems of untimely prewarning and prewarning transition.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in fig. 1, the invention relates to a dynamic analysis system for reservoir rainstorm warning threshold, comprising:
the system comprises a basic data acquisition module, a data acquisition module and a data acquisition module, wherein the basic data acquisition module comprises a rainfall data acquisition unit, a runoff data acquisition unit and a reservoir information acquisition unit, and the rainfall data acquisition unit comprises a satellite remote sensing device, a rain measuring radar device and a meteorological station and is used for acquiring remote sensing data information of rainfall; the runoff data acquisition unit comprises a runoff monitoring device and a topographic and geomorphic acquisition device and is used for acquiring surface runoff data and topographic and geomorphic data, and the reservoir information acquisition unit comprises a water level and rainfall monitoring device and is used for acquiring reservoir water level change data;
the characteristic identification module comprises a rainfall characteristic identification unit, a runoff characteristic identification unit and a reservoir characteristic identification unit, wherein the rainfall characteristic identification unit is used for identifying a storm flood time-space law and a disaster storm threshold value, the runoff characteristic identification unit is used for identifying a runoff infiltration mechanism and a runoff confluence, and the reservoir characteristic identification unit is used for identifying flood disaster characteristics of a reservoir;
the system comprises a simulation analysis module, a storage risk analysis module and a management module, wherein the simulation analysis module comprises a rainfall analysis unit, a runoff analysis unit and a reservoir risk analysis unit, the rainfall analysis unit is used for determining critical rainfall, the runoff analysis unit is used for determining a rainfall runoff related diagram and a unit line, and the reservoir risk analysis unit is used for determining a reservoir accumulated rainfall process line;
the real-time early warning module comprises a risk judgment unit and an early warning unit, the risk judgment unit is used for judging whether the process line of the accumulated rainfall of the reservoir reaches critical rainfall, and the early warning unit is used for carrying out early warning on the flood risk of the reservoir.
The invention obtains basic information of rainfall, runoff and reservoir through the basic data acquisition module, identifies and extracts the time-space law of rainstorm flood and disaster rainstorm threshold, runoff infiltration mechanism, production convergence and flood disaster characteristics of the reservoir through the characteristic identification module, determines the critical rainfall and reservoir accumulated rainfall process line by using the analog analysis module, judges and warns according to the critical rainfall and reservoir accumulated rainfall process line by the real-time prewarning module, can provide accurate, timely and effective prewarning data for rainstorm prewarning, and avoids the problems of untimely prewarning and prewarning transition.
Claims (4)
1. The utility model provides a reservoir rainstorm early warning threshold value dynamic analysis system which characterized in that includes:
the system comprises a basic data acquisition module, a data acquisition module and a data management module, wherein the basic data acquisition module comprises a rainfall data acquisition unit, a runoff data acquisition unit and a reservoir information acquisition unit, the rainfall data acquisition unit is used for acquiring rainfall data, the runoff data acquisition unit is used for acquiring surface runoff data and topographic and geomorphic data, and the reservoir information acquisition unit is used for acquiring reservoir water level change data;
the characteristic identification module comprises a rainfall characteristic identification unit, a runoff characteristic identification unit and a reservoir characteristic identification unit, wherein the rainfall characteristic identification unit is used for identifying a storm flood time-space law and a disaster storm threshold value, the runoff characteristic identification unit is used for identifying a runoff infiltration mechanism and a runoff confluence, and the reservoir characteristic identification unit is used for identifying flood disaster characteristics of a reservoir;
the system comprises a simulation analysis module, a storage risk analysis module and a management module, wherein the simulation analysis module comprises a rainfall analysis unit, a runoff analysis unit and a reservoir risk analysis unit, the rainfall analysis unit is used for determining critical rainfall, the runoff analysis unit is used for determining a rainfall runoff related diagram and a unit line, and the reservoir risk analysis unit is used for determining a reservoir accumulated rainfall process line;
the real-time early warning module comprises a risk judgment unit and an early warning unit, the risk judgment unit is used for judging whether the process line of the accumulated rainfall of the reservoir reaches critical rainfall, and the early warning unit is used for carrying out early warning on the flood risk of the reservoir.
2. The dynamic reservoir rainstorm warning threshold analysis system according to claim 1, wherein: the rainfall data acquisition unit comprises a satellite remote sensing device, a rain measuring radar device and a meteorological station.
3. The dynamic reservoir rainstorm warning threshold analysis system according to claim 1, wherein: the runoff data acquisition unit comprises a runoff monitoring device and a topographic and geomorphic appearance acquisition device.
4. The dynamic reservoir rainstorm warning threshold analysis system according to claim 1, wherein: the reservoir information acquisition unit comprises a water level and rainfall monitoring device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798583B (en) * | 2020-09-01 | 2023-04-11 | 中華電信股份有限公司 | Electronic device and method for accelerating generation of simulation result of simulation software |
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