CN107993027A - One kind evaluates accurate Study On Flood Disaster Risx Assessment system - Google Patents
One kind evaluates accurate Study On Flood Disaster Risx Assessment system Download PDFInfo
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Abstract
The present invention provides one kind to evaluate accurate Study On Flood Disaster Risx Assessment system, including Data monitoring subsystem, risk assessment subsystem and disaster alarm subsystem, the Data monitoring subsystem is used to be monitored the data for triggering the risk of flood disaster, the risk assessment subsystem evaluates the risk of flood disaster according to monitoring data, the risk assessment value of flood damage is obtained, the disaster alarm subsystem is used to carry out flood damage early warning according to evaluation result；The Data monitoring subsystem includes remote sensing monitoring module, GIS-Geographic Information System monitoring modular and data processing module.Beneficial effects of the present invention are：Provide a kind of Study On Flood Disaster Risx Assessment system, it can be preferably the foundation that flood control and disaster reduction, rescue and relief work etc. provide science, it can promote cognition and management of the mankind to big flood, so as to look for a mankind and naturally mutually coordinated, sustainable development road.
Description
Technical field
The present invention relates to flood damage technical field, and in particular to one kind evaluates accurate Study On Flood Disaster Risx Assessment system
System.
Background technology
In numerous various risks for endangering human survival safety and life quality, natural hybridized orbit is related to risk factors
At most, risk exposure main body is the most extensive, and influence degree is the most far-reaching, receives the whole world and continues the most and close pass
One of the problem of note is the most serious of face of mankind nowadays.
Flood damage is one kind more serious to anthropogenic influence and harm in natural calamity.Since 20th century, with the whole world
The variation of natural system based on climate warming and modern humans' economic society activity based on urbanization, make the Nature
Into great destruction.Although the mankind have been enter into the information age, science and technology has to develop on a large scale very much, and the construction day of Flood Control System
Become perfect, but flood still happens occasionally, or even grow in intensity.How the mankind face the flood wind under Global climate change
Danger, realizes harmonious development, is a significant problem for being related to human development, and one there is an urgent need to what is studied and solve to ask
Topic.
The content of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of evaluate accurate Study On Flood Disaster Risx Assessment system.
The purpose of the present invention is realized using following technical scheme：
Provide a kind of accurate Study On Flood Disaster Risx Assessment system of evaluation, including Data monitoring subsystem, risk assessment
Subsystem and disaster alarm subsystem, the Data monitoring subsystem are used to supervise the data for triggering the risk of flood disaster
Survey, the risk assessment subsystem evaluates the risk of flood disaster according to monitoring data, and the risk for obtaining flood damage is commented
Value, the disaster alarm subsystem are used to carry out flood damage early warning according to evaluation result；The Data monitoring subsystem bag
Remote sensing monitoring module, GIS-Geographic Information System monitoring modular and data processing module are included, the remote sensing monitoring module is defended based on remote sensing
Star obtains the risk of flood disaster monitoring data, and the GIS-Geographic Information System monitoring modular is based on global geographical information system and obtains flood
Water disaster Risk Monitoring data, the data processing module are used for the flood obtained to remote sensing satellite and global geographical information system
Calamity source monitoring data are normalized.
Beneficial effects of the present invention are：A kind of Study On Flood Disaster Risx Assessment system is provided, can preferably be subtracted for flood control
Calamity, rescue and relief work etc. provide the foundation of science, can promote cognition and management of the mankind to big flood, so as to look for one
The mankind and naturally mutually coordinated, sustainable development road；Data monitoring subsystem passes through remote sensing satellite and global geographical information system
System obtains monitoring data, improves the level monitoring of the risk of flood disaster data, is established for follow-up Study On Flood Disaster Risx Assessment
Basis, is normalized monitoring data, reduces operand, improves operation efficiency.
Brief description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structure diagram of the present invention；
Reference numeral：
Data monitoring subsystem 1, risk assessment subsystem 2, disaster alarm subsystem 3.
Embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, one kind of the present embodiment evaluates accurate Study On Flood Disaster Risx Assessment system, including data monitoring subsystem
System 1, risk assessment subsystem 2 and disaster alarm subsystem 3, the Data monitoring subsystem 1 are used for triggering flood damage wind
The data of danger are monitored, and the risk assessment subsystem 2 evaluates the risk of flood disaster according to monitoring data, obtain flood
The risk assessment value of water disaster, the disaster alarm subsystem 3 are used to carry out flood damage early warning according to evaluation result；The number
Include remote sensing monitoring module, GIS-Geographic Information System monitoring modular and data processing module, the remote sensing monitoring according to monitoring subsystem 1
Module is based on remote sensing satellite and obtains the risk of flood disaster monitoring data, and the GIS-Geographic Information System monitoring modular is based on global geographic
Information system obtains the risk of flood disaster monitoring data, and the data processing module is used for remote sensing satellite and global geographical information
The risk of flood disaster monitoring data that system obtains are normalized.
A kind of Study On Flood Disaster Risx Assessment system is present embodiments provided, can be preferably flood control and disaster reduction, rescue and relief work
Etc. provide science foundation, cognition and management of the mankind to big flood can be promoted, so as to look for a mankind and nature
Mutually coordinated, sustainable development road；Data monitoring subsystem 1 obtains monitoring by remote sensing satellite and global geographical information system
Data, improve the level monitoring of the risk of flood disaster data, lay a good foundation for follow-up Study On Flood Disaster Risx Assessment, to monitoring
Data are normalized, and reduce operand, improve operation efficiency.
Preferably, the risk assessment subsystem 2 includes causing calamity power evaluation module, hazard-affected body evaluation module, loss assessment
Module and overall merit module, the cause calamity ability for causing calamity power evaluation module to be used for flood damage are evaluated, and are obtained and are caused
Calamity value, the ability that the hazard-affected body evaluation module bears flood damage for bearing main body to disaster are evaluated, and are obtained hazard-affected
Value, the loss assessment module are used to lose caused by flood damage to evaluate, and obtain penalty values, the overall merit mould
Block is used to carry out overall merit to the risk of flood disaster according to cause calamity value, hazard-affected value, penalty values.
This preferred embodiment risk assessment subsystem 2 carries out the risk of flood disaster according to cause calamity value, hazard-affected value, penalty values
Overall merit, realizes the thoroughly evaluating of the risk of flood disaster.
Preferably, the cause calamity ability for causing calamity power evaluation module to be used for flood damage is evaluated, and is obtained and is caused calamity value,
Specially：
Obtained using following formula and cause calamity value：
In above-mentioned formula, Z represents to cause calamity value, H1Represent the elevation of water level, H2Represent the elevation on ground；Cause calamity value bigger, table
Show that the cause calamity ability of flood damage is stronger；
The ability that the hazard-affected body evaluation module bears flood damage for bearing main body to disaster is evaluated, and acquisition is held
Calamity value, is specially：
Hazard-affected value is obtained using following formula：
In above-mentioned formula, C represents hazard-affected value, LiRepresent that i-th of disaster bears loss ratio of the main body when it is 1 to cause calamity value
Example, n represent that disaster bears the number of main body；The hazard-affected value is bigger, represents that disaster bears the ability that main body bears flood damage
It is stronger；
The loss assessment module is used to lose caused by flood damage to evaluate, and obtains penalty values, is specially：
Penalty values are obtained using following formula：
In above-mentioned formula, S represents penalty values；Penalty values are bigger, represent to lose caused by flood damage bigger；
The overall merit module is used to the risk of flood disaster integrate commenting according to cause calamity value, hazard-affected value, penalty values
Valency, is specially：Calculate the comprehensive evaluation value of the risk of flood disaster：
In above-mentioned formula, P represents comprehensive evaluation value；Comprehensive evaluation value is bigger, represents that the risk of flood disaster is bigger.
This preferred embodiment risk assessment subsystem 2 calculates the risk of flood disaster according to cause calamity value, hazard-affected value, penalty values
Comprehensive evaluation value, realizes the accurate evaluation of the risk of flood disaster, specifically, during cause calamity value is calculated, by flooding for flood
Do not have the depth of water as calculating standard, meet the natural law, during hazard-affected be worth is calculated, consider that different disasters bears main body,
The hazard-affected level calculated more fully, during counting loss is worth, has taken into full account the cause calamity ability and flood of flood damage
Water bears the Disaster-bearing ability of main body, realizes the accurate evaluation that flood damage causes damages.
Preferably, the disaster alarm subsystem 3 includes risk class division module, warning module and Alarm Assessment mould
Block, the risk class division module are used to be divided into the risk of flood disaster according to the comprehensive evaluation value of the risk of flood disaster low
Risk and excessive risk, the warning module are used to send corresponding early warning according to risk height, and the Alarm Assessment module is used for pair
Early warning accuracy is evaluated；
The warning module is used to send corresponding early warning according to risk height, is specially：Set low-risk threshold value P1And height
Risk threshold value P2, P1＜ P2, when comprehensive evaluation value is more than low-risk threshold value, low-risk early warning is sent, when comprehensive evaluation value is more than
During excessive risk threshold value, excessive risk early warning is sent.
The Alarm Assessment module is used to evaluate early warning accuracy, is specially：
In above-mentioned formula, Y represents early warning error factor, and X represents early warning total degree, X1Represent false-alarm number, X2Represent false dismissal
Number；Early warning error factor is smaller, represents that early warning accuracy is higher.
This preferred embodiment disaster alarm subsystem 3 realizes the accurate early warning of the risk of flood disaster, and risk is divided into
Low-risk and excessive risk, help to take corresponding measure, avoid causing the wasting of resources.It is accurate to early warning by early warning error factor
Property evaluated, easy to be improved in time to disaster alarm subsystem, ensure that the risk of flood disaster early warning is horizontal.
Accurate Study On Flood Disaster Risx Assessment system is evaluated using the present invention early warning is carried out to flood damage, choose 5 rivers
Stream carries out simulated experiment, is respectively river 1, river 2, river 3, river 4, river 5, early warning efficiency and early warning accuracy rate are carried out
Statistics, is compared, generation is had the beneficial effect that shown in table compared with Study On Flood Disaster Risx Assessment system：
| Early warning efficiency improves | Early warning accuracy rate improves | |
| River 1 | 29% | 27% |
| River 2 | 27% | 26% |
| River 3 | 26% | 26% |
| River 4 | 25% | 24% |
| River 5 | 24% | 22% |
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, can be to technical scheme technical scheme is modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (6)
1. one kind evaluates accurate Study On Flood Disaster Risx Assessment system, it is characterised in that is commented including Data monitoring subsystem, risk
Valency subsystem and disaster alarm subsystem, the Data monitoring subsystem are used to supervise the data for triggering the risk of flood disaster
Survey, the risk assessment subsystem evaluates the risk of flood disaster according to monitoring data, and the risk for obtaining flood damage is commented
Value, the disaster alarm subsystem are used to carry out flood damage early warning according to evaluation result；The Data monitoring subsystem bag
Remote sensing monitoring module, GIS-Geographic Information System monitoring modular and data processing module are included, the remote sensing monitoring module is defended based on remote sensing
Star obtains the risk of flood disaster monitoring data, and the GIS-Geographic Information System monitoring modular is based on global geographical information system and obtains flood
Water disaster Risk Monitoring data, the data processing module are used for the flood obtained to remote sensing satellite and global geographical information system
Calamity source monitoring data are normalized.
2. the accurate Study On Flood Disaster Risx Assessment system of evaluation according to claim 1, it is characterised in that the risk is commented
Valency subsystem includes causing calamity power evaluation module, hazard-affected body evaluation module, loss assessment module and overall merit module, the cause calamity
The cause calamity ability that power evaluation module is used for flood damage is evaluated, and is obtained and is caused calamity value, and the hazard-affected body evaluation module is used for
Main body is born to disaster bear the ability of flood damage to evaluate, obtain hazard-affected value, the loss assessment module is used for flood
Loss is evaluated caused by water disaster, obtains penalty values, and the overall merit module is used for according to cause calamity value, hazard-affected value, damage
Mistake value carries out overall merit to the risk of flood disaster.
3. the accurate Study On Flood Disaster Risx Assessment system of evaluation according to claim 2, it is characterised in that the cause calamity power
The cause calamity ability that evaluation module is used for flood damage is evaluated, and is obtained and is caused calamity value, is specially：
Obtained using following formula and cause calamity value：
<mrow>
<mi>Z</mi>
<mo>=</mo>
<mrow>
<mo>(</mo>
<mn>2</mn>
<msub>
<mi>H</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>H</mi>
<mn>2</mn>
</msub>
<mo>)</mo>
</mrow>
<mo>&times;</mo>
<mfrac>
<msup>
<mrow>
<mo>(</mo>
<msub>
<mi>H</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>H</mi>
<mn>2</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>3</mn>
</msup>
<mn>2</mn>
</mfrac>
</mrow>
In above-mentioned formula, Z represents to cause calamity value, H1Represent the elevation of water level, H2Represent the elevation on ground；Cause calamity value bigger, represent flood
The cause calamity ability of water disaster is stronger；
The ability that the hazard-affected body evaluation module bears flood damage for bearing main body to disaster is evaluated, and is obtained hazard-affected
Value, is specially：
Hazard-affected value is obtained using following formula：
<mrow>
<mi>C</mi>
<mo>=</mo>
<mfrac>
<mn>1</mn>
<msqrt>
<mrow>
<mi>lg</mi>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<msubsup>
<mi>&Sigma;</mi>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>n</mi>
</msubsup>
<msub>
<mi>L</mi>
<mi>i</mi>
</msub>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mn>2</mn>
<msubsup>
<mi>&Sigma;</mi>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>n</mi>
</msubsup>
<msub>
<mi>L</mi>
<mi>i</mi>
</msub>
</mrow>
</msqrt>
</mfrac>
</mrow>
In above-mentioned formula, C represents hazard-affected value, LiRepresent that i-th of disaster bears loss ratio of the main body when it is 1 to cause calamity value, n tables
Show that disaster bears the number of main body；It is described it is hazard-affected value it is bigger, represent disaster bear main body bear flood damage ability it is stronger；
The loss assessment module is used to lose caused by flood damage to evaluate, and obtains penalty values, is specially：
Penalty values are obtained using following formula：
<mrow>
<mi>S</mi>
<mo>=</mo>
<mn>1</mn>
<mo>+</mo>
<msqrt>
<mfrac>
<mrow>
<msup>
<mn>2</mn>
<mrow>
<mi>Z</mi>
<mo>-</mo>
<mi>C</mi>
</mrow>
</msup>
<mo>+</mo>
<msup>
<mi>e</mi>
<mrow>
<mi>Z</mi>
<mo>-</mo>
<mi>C</mi>
</mrow>
</msup>
</mrow>
<msup>
<mn>3</mn>
<mrow>
<mi>Z</mi>
<mo>-</mo>
<mi>C</mi>
</mrow>
</msup>
</mfrac>
</msqrt>
</mrow>
In above-mentioned formula, S represents penalty values；Penalty values are bigger, represent to lose caused by flood damage bigger；
The overall merit module is used to, according to causing calamity value, hazard-affected value, penalty values to carry out overall merit to the risk of flood disaster, have
Body is：Calculate the comprehensive evaluation value of the risk of flood disaster：
<mrow>
<mi>P</mi>
<mo>=</mo>
<mi>Z</mi>
<mo>+</mo>
<mi>S</mi>
<mo>+</mo>
<mfrac>
<mrow>
<mn>2</mn>
<mi>l</mi>
<mi>n</mi>
<mo>&lsqb;</mo>
<mrow>
<mo>(</mo>
<mi>Z</mi>
<mo>+</mo>
<mi>S</mi>
<mo>-</mo>
<mi>C</mi>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mn>1</mn>
<mo>&rsqb;</mo>
</mrow>
<msup>
<mi>e</mi>
<mrow>
<mo>-</mo>
<mrow>
<mo>(</mo>
<mi>Z</mi>
<mo>+</mo>
<mi>S</mi>
<mo>-</mo>
<mi>C</mi>
<mo>)</mo>
</mrow>
</mrow>
</msup>
</mfrac>
</mrow>
In above-mentioned formula, P represents comprehensive evaluation value；Comprehensive evaluation value is bigger, represents that the risk of flood disaster is bigger.
4. the accurate Study On Flood Disaster Risx Assessment system of evaluation according to claim 3, it is characterised in that the disaster is pre-
Alert subsystem includes risk class division module, warning module and Alarm Assessment module, and the risk class division module is used for
The risk of flood disaster is divided into by low-risk and excessive risk according to the comprehensive evaluation value of the risk of flood disaster, the warning module is used
In sending corresponding early warning according to risk height, the Alarm Assessment module is used to evaluate early warning accuracy.
5. the accurate Study On Flood Disaster Risx Assessment system of evaluation according to claim 4, it is characterised in that the early warning mould
Block is used to send corresponding early warning according to risk height, is specially：Set low-risk threshold value P1With excessive risk threshold value P2, P1＜ P2, when
When comprehensive evaluation value is more than low-risk threshold value, low-risk early warning is sent, when comprehensive evaluation value is more than excessive risk threshold value, sends height
Risk-warning.
6. the accurate Study On Flood Disaster Risx Assessment system of evaluation according to claim 5, it is characterised in that the early warning is commented
Valency module is used to evaluate early warning accuracy, is specially：
<mrow>
<mi>Y</mi>
<mo>=</mo>
<msqrt>
<mrow>
<msup>
<mrow>
<mo>(</mo>
<mfrac>
<msub>
<mi>X</mi>
<mn>1</mn>
</msub>
<mi>X</mi>
</mfrac>
<mo>+</mo>
<mfrac>
<msub>
<mi>X</mi>
<mn>2</mn>
</msub>
<mi>X</mi>
</mfrac>
<mo>)</mo>
</mrow>
<mn>3</mn>
</msup>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mfrac>
<msub>
<mi>X</mi>
<mn>1</mn>
</msub>
<mi>X</mi>
</mfrac>
<mo>+</mo>
<mfrac>
<msub>
<mi>X</mi>
<mn>2</mn>
</msub>
<mi>X</mi>
</mfrac>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
</msqrt>
</mrow>
In above-mentioned formula, Y represents early warning error factor, and X represents early warning total degree, X1Represent false-alarm number, X2Represent false dismissal
Number；Early warning error factor is smaller, represents that early warning accuracy is higher.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108109347A (en) * | 2017-12-26 | 2018-06-01 | 李文清 | A kind of accurate disaster of mountain massif coast monitoring and warning system of early warning |
| CN108801363A (en) * | 2018-07-31 | 2018-11-13 | 深圳大图科创技术开发有限公司 | A kind of Environmental Protection System |
| CN111027175A (en) * | 2019-11-06 | 2020-04-17 | 中国地质大学（武汉） | Method for evaluating social and economic influences of flood based on coupling model integrated simulation |
| CN111724033A (en) * | 2020-05-14 | 2020-09-29 | 天津大学 | Flood risk evaluation and fine zoning method based on random set theory |
| CN111898890A (en) * | 2020-07-20 | 2020-11-06 | 国网江苏省电力有限公司南京供电分公司 | Flood diagnosis and scheduling method and system for urban power transmission line |
| CN112327698A (en) * | 2020-11-05 | 2021-02-05 | 叶远 | Flood disaster early warning system and method based on Internet of things |
| CN113129556A (en) * | 2020-01-15 | 2021-07-16 | 重庆三峡学院 | Geological landslide disaster early warning method applied to three gorges reservoir area |
| CN113344327A (en) * | 2021-05-06 | 2021-09-03 | 河南省科达水利勘测设计有限公司 | Flood control influence evaluation system |
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| CN111027175A (en) * | 2019-11-06 | 2020-04-17 | 中国地质大学（武汉） | Method for evaluating social and economic influences of flood based on coupling model integrated simulation |
| CN113129556A (en) * | 2020-01-15 | 2021-07-16 | 重庆三峡学院 | Geological landslide disaster early warning method applied to three gorges reservoir area |
| CN111724033A (en) * | 2020-05-14 | 2020-09-29 | 天津大学 | Flood risk evaluation and fine zoning method based on random set theory |
| CN111898890A (en) * | 2020-07-20 | 2020-11-06 | 国网江苏省电力有限公司南京供电分公司 | Flood diagnosis and scheduling method and system for urban power transmission line |
| CN112327698A (en) * | 2020-11-05 | 2021-02-05 | 叶远 | Flood disaster early warning system and method based on Internet of things |
| CN113344327A (en) * | 2021-05-06 | 2021-09-03 | 河南省科达水利勘测设计有限公司 | Flood control influence evaluation system |
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