CN105894742A - Monitoring and early warning method for observing geological disaster warning and prevention area based on real-time rainfall - Google Patents
Monitoring and early warning method for observing geological disaster warning and prevention area based on real-time rainfall Download PDFInfo
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- CN105894742A CN105894742A CN201610404721.8A CN201610404721A CN105894742A CN 105894742 A CN105894742 A CN 105894742A CN 201610404721 A CN201610404721 A CN 201610404721A CN 105894742 A CN105894742 A CN 105894742A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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Abstract
The invention provides a monitoring and early warning method for a geological disaster warning and prevention area based on real-time rainfall monitoring, which comprises the following steps: surveying the precaution area, and dividing the precaution area into warning precaution blocks with different warning degrees according to disaster conditions; installing rainfall observation equipment at a preset point of each warning and precaution block to measure rainfall parameters in the current warning and precaution block; when the rainfall parameter exceeds an early warning threshold value, sending alarm information to the outside; and establishing a remote monitoring platform to monitor the state and the measurement data of the rainfall observation equipment in each warning and precaution block and manage the evacuation of the resident in the precaution area. The monitoring and early warning method of the invention has wider geological disaster monitoring coverage and stronger early warning real-time performance, and the geological disaster warning and prevention information management system improves the geological disaster monitoring informatization degree, realizes the effective management of the warning and prevention area and solves the problem of 'the last kilometer' of the geological disaster monitoring and early warning information release.
Description
Technical field
The present invention relates to a kind of Geological Hazards Monitoring early warning technology, be specifically related to one and see based on real-time rainfall
Survey geological disaster warning and take precautions against the monitoring and pre-alarming method in district.
Background technology
In recent years, the extreme weather conditions that particularly reservoir area of Three Gorges, Chongqing City dramatically increases is taken precautions against natural calamities to geological disaster
Mitigation work brings challenge greatly.This area recurs repeatedly geological disaster, cause personal casualty loss and
Economic loss, the geological disaster quantity wherein caused because of rainfall accounts for the overwhelming majority.And rainfall usually causes
Multiple disaster consequence, such as mountain torrents, long-pending flood, road damage, house collapse, induction avalanche, landslide, mudstone
Stream etc., therefore by the rainfall in monitoring area, can prevent most geological disaster.
Additionally, current calamity forecast aspect there is also a lot of problem:
1. as there is no, for research of abrupt geological hazard, effect of effectively taking precautions against natural calamities；
2. professional monitoring real-time is not enough, and monitoring information process of feedback is longer；
3. professional monitoring is generally basede on discrete single-point Monitoring Data to analyze geological hazard body monolithic stability sexual state,
Easily omit；
4. mass presdiction and disaster prevention monitoring means falls behind and the most single, more focuses on the monitoring of macroscopic deformation situation.
Summary of the invention
The invention aims to provide a kind of monitor based on real-time rainfall broad covered area, early warning real-time
By force, the geological disaster warning prevention method that the level of informatization is high, environmental suitability is strong.
Especially, the present invention provides the monitoring and warning taking precautions against district based on the monitoring geological disaster warning of real-time rainfall
Method, it is characterised in that comprise the steps:
Step 100, investigates taking precautions against district, and is divided into difference to warn strick precaution zoning according to the condition of causing disaster
Block is taken precautions against in the warning of degree；
Step 200, takes precautions against in each warning and installs rainfall scope at the predetermined point of block, current to measure
The precipitation parameter in block is taken precautions against in warning；
Step 300, outwardly sends warning message when described precipitation parameter exceedes threshold value of warning；
Step 400, sets up remote monitoring platform, takes precautions against rainfall scope in block monitoring each warning
State and measurement data, be managed the evacuation of inhabitation personnel in strick precaution district simultaneously.
Further, the condition of causing disaster in described step 100 include landform slope angle, catchment area/gross area,
Surface water Escape condition, Slop type, leading edge river wash away situation, Human dried bloodstains, trailing edge depression feelings
Condition, stratum, leading edge face sky abrupt slope height, ramp height, groundwater condition and Development of Geological Hazards surface density
The present situation.
Further, described warning take precautions against block divide time, condition is close, occur geology hazardous condition similar
The region suitable with the distribution situation of geologic body of causing disaster divides a warning into and takes precautions against block.
Further, determine cause disaster condition time, in addition it is also necessary to the pregnant calamity sufficient condition of each influence factor and
Its weighted value, judges that the sufficient condition that causes disaster in block is taken precautions against in warning.
Further, in described step 200, it is spacious, smooth that described rainfall monitoring device is arranged on surrounding
And the position that windage is little, the distance of surrounding barrier and rainfall monitoring device is risen not less than barrier
With the rainfall monitoring instrument discrepancy in elevation 2 times.
Further, the region that the set-point of described rainfall monitoring device remotely calamity body deformability is active.
Further, in described step 300, the sending object of warning message includes broadcasting prior-warning device, sound
The warning lamp that light is reported to the police, communication networking, and specify mass presdiction and disaster prevention person, the person of managing, garrison geological personnel and master
Pipe department.
Further, described broadcast prior-warning device is wireless by be arranged on that warning takes precautions against in block in loudspeaker
Control device, control loudspeaker and directly carry out the condition of a disaster audio frequency broadcasting.
Further, described rainfall scope includes the column providing installation foundation, and is arranged on column
Top with analyze rain condition measuring instrument, receive described gage data the middle control module decision making, with
And outwardly send the alarm device of the condition of a disaster.
Further, described rainfall scope also includes solar powered module and the electric power storage providing electric power
Pond, described alarm device includes the warning lamp of local warning, and pre-to the broadcast of scheduled circuit transmission alarm signal
Alarm device.
The monitoring and pre-alarming method of the present invention makes Geological Hazards Monitoring coverage rate wider, and early warning real-time is higher, ground
The warning of matter disaster is taken precautions against information management system and is improve the Geological Hazards Monitoring level of informatization, it is achieved that to warning
Take precautions against effective management in district, solve " last one kilometer " problem that Geological Hazards Monitoring early warning information is issued.
The present invention is directed to extreme rainfall and become the region of the principal element luring calamity, carry out rainfall lure calamity threshold value research,
Rainfall observation and on-the-spot acousto-optic early warning work, can be that the research of abrupt geological hazard under extreme condition of raining is prevented
Calamity work provides new means, expands area of taking precautions against natural calamities, preferably ensures the people's livelihood.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the monitoring and pre-alarming method of one embodiment of the invention；
Fig. 2 is the structural representation of the rainfall scope of one embodiment of the invention.
Detailed description of the invention
As it is shown in figure 1, warning based on the monitoring geological disaster of real-time rainfall of one embodiment of the invention is taken precautions against
The monitoring and pre-alarming method in district comprises the steps: in general manner
Step 100, investigates taking precautions against district, and is divided into difference to warn strick precaution zoning according to the condition of causing disaster
Block is taken precautions against in the warning of degree；
District of taking precautions against in this step is the region that typical case's Yi Fasheng rainfall induces geological disaster, utilizes 1:10000
The geologic survey basis of scale accuracy, according to 12 influence factors, analysis of stabilities of geological conditions
Analysis and evaluation, be divided into several conditions warnings of causing disaster to take precautions against block by strick precaution zoning.
12 influence factors include landform slope angle, catchment area/gross area, surface water Escape condition, slope
Type, leading edge river wash away situation, Human dried bloodstains, trailing edge depression situation, stratum, leading edge are faced empty steep
Slope height, ramp height, groundwater condition, Development of Geological Hazards surface density etc..Drawing at limit of consideration block
Timesharing, condition is close, occur similar and geologic body of causing disaster the distribution situation of geology hazardous condition suitable
Region divide into one warning take precautions against block.
Stability analysis and evaluation includes: according to pregnant calamity sufficient condition and the weighted value thereof of each influence factor,
The sufficient condition that causes disaster in cellular zone is judged.Cellular zone cause disaster condition analysis use fuzzy synthesis comment
Sentence method, be calculated as follows:
B=K*R (1)
In formula, B is the fuzzy synthetic evaluation value of sufficient condition of causing disaster, and K is weighted value, and R is pregnant calamity bar
Part adequacy.
Step 200, takes precautions against in each warning and installs rainfall scope at the predetermined point of block, current to measure
The precipitation parameter in block is taken precautions against in warning；
In this step, need to consider following factors during installation rainfall scope:
1. rainfall scope should be laid in and belong to the warning causing disaster serious and take precautions against in block, layout density according to
Geomorphologic conditions, resident live in concentrated communities the propagation radius of situation and early warning audio frequency and consider；
2. rainfall monitoring point is preferably laid in the position that surrounding is spacious, smooth and windage is little.Ordinary circumstance
Under, the distance of surrounding barrier and instrument cannot be less than barrier and rises and 2 times of the instrument mouth discrepancy in elevation；
3., time for finding out that geological disaster hidden danger point periphery has more than " 3 family 10 people " gathering, rain should be disposed
Amount monitoring station, simultaneously for ensureing the permanently effective work of precipitation station, precipitation station should not be deployed in ground calamity body deformability and live
Jump region.
Step 300, outwardly sends warning message when described precipitation parameter exceedes threshold value of warning；
Rainfall scope in this step uses real-time rainfall monitoring mode, when rainfall value reaches to set
Threshold value of warning time, by broadcast alarm mode and warning lamp type of alarm externally send alarm signal, to carry
Wake up nearby residents and pedestrian's hedging or withdraw.By communication networking technology, and " taking over for use " monitors in ground calamity
Existing loudspeaker (such as the loudspeaker of villagers' committee) near on-the-spot, installs control device of wireless additional, it is achieved
The loudspeaker simultaneously driving " being taken over for use " during the broadcast audio work of monitoring station carry out isochronous audio broadcasting, by early warning
Information feeds back to mass presdiction and disaster prevention person, the person of managing in time, garrisons geological personnel and authorities, and according to reality
Threshold value of warning just definite value is modified by border ruuning situation.
Step 400, sets up remote monitoring platform, takes precautions against rainfall scope in block monitoring each warning
State and measurement data, be managed the evacuation of inhabitation personnel in strick precaution district simultaneously.
Utilized by remote monitoring platform and control software accordingly, it is possible to achieve Life cycle high-efficiency management with
And engineering construction is information-based and Standardization Construction, and it is dynamic, simultaneously to grasp rainfall in district is taken precautions against in warning in time
Field apparatus is remotely managed.
This control software at least can realize following purpose:
1. the project implementation；
1. field investigation: field investigation information can be shown by remote monitoring platform.
2. installation and deployment: installation and deployment show that function is divided into geographical position to show and surrounding enviroment are shown, wherein
Geographical position is shown by coordinate, and surrounding enviroment are shown by photo.
3. data are observed: system receives the real-time observed data of rainfall scope and is analyzed, on time
Generate form to send to regulatory authorities.
(2) forewarning management
1. threshold management: threshold value of warning is suitably adjusted according to practical operation situation.
2. acousto-optic early warning record: system background real time record scene acousto-optic early warning situation.
3. short message alarm: real-time early warning information is informed in time villager, the small towns person of managing, district ground ring station with
And ground, city ring station.
4. early warning information remotely updates: can remotely update on-the-spot early warning audio frequency.
The present embodiment geological disaster based on large scale precision probe, divides warning and takes precautions against block, determine
Rainfall threshold value in district, by technology such as rainfall real-time monitored, sound and light alarm, Internet of Things communications, it is achieved
Geological disaster Monitoring and forecasting system in real-time and preventing function.The present embodiment so that Geological Hazards Monitoring coverage rate more
Extensively, early warning real-time is higher；Geological disaster warning is taken precautions against information management system and is improve Geological Hazards Monitoring letter
Breathization degree, it is achieved that warning is taken precautions against effective management of district's Prevention And Treatment of Geological Hazards.
Illustrate that the dividing mode of block is taken precautions against in warning with the example of a concrete division.
Warning is taken precautions against block and is divided: condition of causing disaster divides above rank all to put warning strick precaution block A (bag under in charge less
Include the sufficient condition region A1 that causes disaster, condition of causing disaster more abundant region A2, condition of causing disaster charge less subregion A3),
The insufficient district of condition of causing disaster, divides non-warning into and takes precautions against block B.If tiltedly there is geological disaster hidden danger point in (limit) slope
Or having there is geological disaster, this sloped region should divide warning into and take precautions against block A1 district.
Following table is taken precautions against block for warning and is caused disaster sufficient condition sex index table.
Determine rainfall threshold value: take precautions against the sufficient condition that causes disaster in block according to warning, in conjunction with local meteorological money
Material, it is determined that rainfall threshold value, proposes warning and takes precautions against the treatment advice of block and be early warning or hedging withdraws (traffic pipe
System).Taking precautions against block geological conditions in view of warning fragile, geological conditions is complicated, easily send out multiple
Matter disaster, and resident lives in concentrated communities in region, physical features gentle slope, initial operating stage chooses the lower limit conduct of rainfall threshold value
Warning take precautions against block rainfall threshold value, after progressively refine according to actual motion feedback.
Following table takes precautions against block rainfall threshold value for warning.
Rainfall scope type selecting: rainfall scope is the nucleus module that geological disaster warning is taken precautions against,
Take precautions against the geological disaster warning preventing function of block for realizing selected warning, the parameter of rainfall scope needs
Following table to be met.
As in figure 2 it is shown, one embodiment of the present of invention provides a kind of rainfall scope 100, including making
For the column 20 of main body, column 20 utilizes concrete 30 to be fixed on the ground of point of observation, at column 20
On the termination erected, the measuring instrument 10 measuring rain condition is installed, for the broadcast to networking broadcast transmission the condition of a disaster
Prior-warning device 11, the warning lamp 12 reported to the police by shadow, and absorb the solar powered module 13 of solar energy.
In shaft or the bottom of column 20, power distribution cabinet 14 is installed, each equipment of control is installed in power distribution cabinet 14
The middle control module 15 run and accumulator 16.Middle control module 15 includes for networking wireless, wired
Modules, and analyze and process the processor of rain condition parameter, memorizer.For preventing at column 20
Top hydrops, can arrange the drain pipe 17 connecting column top to ground together along column 20 shaft.
Fix intensity for improving column 20, built-in fitting 21, the bottom of column 20 can be set in concrete 30
It is connected with built-in fitting 21 by flange 22.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's
Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this
Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause
This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.
Claims (10)
1. the monitoring and pre-alarming method in district is taken precautions against based on the monitoring geological disaster warning of real-time rainfall, it is characterised in that
Comprise the steps:
Step 100, investigates taking precautions against district, and is divided into difference to warn strick precaution zoning according to the condition of causing disaster
Block is taken precautions against in the warning of degree；
Step 200, takes precautions against in each warning and installs rainfall scope at the predetermined point of block, current to measure
The precipitation parameter in block is taken precautions against in warning；
Step 300, outwardly sends warning message when described precipitation parameter exceedes threshold value of warning；
Step 400, sets up remote monitoring platform, takes precautions against rainfall scope in block monitoring each warning
State and measurement data, be managed the evacuation of inhabitation personnel in strick precaution district simultaneously.
Monitoring and pre-alarming method the most according to claim 1, it is characterised in that
The condition of causing disaster in described step 100 includes that landform slope angle, catchment area/gross area, surface water are drained
Condition, Slop type, leading edge river wash away situation, Human dried bloodstains, trailing edge depression situation, stratum,
Leading edge faces sky abrupt slope height, ramp height, groundwater condition and the present situation of Development of Geological Hazards surface density.
Monitoring and pre-alarming method the most according to claim 2, it is characterised in that
Described warning takes precautions against block when dividing, condition is close, occur that geology hazardous condition is similar and geology of causing disaster
The region that the distribution situation of body is suitable divides a warning strick precaution block into.
Monitoring and pre-alarming method the most according to claim 3, it is characterised in that
Determine cause disaster condition time, in addition it is also necessary to pregnant calamity sufficient condition and the weighted value thereof to each influence factor,
Judge that the sufficient condition that causes disaster in block is taken precautions against in warning.
Monitoring and pre-alarming method the most according to claim 1, it is characterised in that
In described step 200, described rainfall monitoring device is arranged on that surrounding is spacious, smooth and windage
The distance of little position, surrounding barrier and rainfall monitoring device is risen not less than barrier and rainfall is supervised
Survey the instrument discrepancy in elevation 2 times.
Monitoring and pre-alarming method the most according to claim 5, it is characterised in that
The region that the set-point of described rainfall monitoring device remotely calamity body deformability is active.
Monitoring and pre-alarming method the most according to claim 1, it is characterised in that
In described step 300, the sending object of warning message includes broadcasting prior-warning device, the police of sound and light alarm
Lamp, communication networking, and specify mass presdiction and disaster prevention person, the person of managing, garrison geological personnel and authorities.
Monitoring and pre-alarming method the most according to claim 7, it is characterised in that
Described broadcast prior-warning device by being arranged on the control device of wireless that warning is taken precautions against in block in loudspeaker,
Control loudspeaker and directly carry out the condition of a disaster audio frequency broadcasting.
Monitoring and pre-alarming method the most according to claim 1, it is characterised in that
Described rainfall scope includes the column providing installation foundation, and is arranged on the top of column to divide
The measuring instrument of analysis rain condition, receives described gage data the middle control module decision making, and outwardly sends out
Send the alarm device of the condition of a disaster.
Monitoring and pre-alarming method the most according to claim 9, it is characterised in that
Described rainfall scope also includes solar powered module and accumulator, the described report providing electric power
Alarm device includes the warning lamp of local warning, and sends the broadcast prior-warning device of alarm signal to scheduled circuit.
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| CN201610404721.8A CN105894742A (en) | 2016-06-08 | 2016-06-08 | Monitoring and early warning method for observing geological disaster warning and prevention area based on real-time rainfall |
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| CN106651165A (en) * | 2016-12-15 | 2017-05-10 | 中国电力科学研究院 | Rainfall capacity risk ranking method and apparatus used for geological disaster region assessment pre-warning |
| CN107255829A (en) * | 2017-06-09 | 2017-10-17 | 成都亿动视通科技有限公司 | Radiation environment monitoring method for emergency and system |
| CN109035709A (en) * | 2018-09-13 | 2018-12-18 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for early warning, the apparatus and system of mountain torrents mud-rock flow |
| CN110849415A (en) * | 2019-11-07 | 2020-02-28 | 中交天航港湾建设工程有限公司 | Rainfall point location arrangement and monitoring system and method |
| CN112465356A (en) * | 2020-11-30 | 2021-03-09 | 国网四川省电力公司电力科学研究院 | Improved quantitative evaluation method and system for material vulnerability of landslide geological disaster |
| CN113380005A (en) * | 2021-08-16 | 2021-09-10 | 中铁水利水电规划设计集团有限公司 | Flood prevention consultation monitoring device and method based on Internet of things |
| CN114093138A (en) * | 2022-01-11 | 2022-02-25 | 国能大渡河流域水电开发有限公司 | Embedded rainfall monitoring terminal and monitoring method for landslide monitoring and early warning |
| CN114333245A (en) * | 2022-01-05 | 2022-04-12 | 中国地质科学院探矿工艺研究所 | Multi-parameter model dynamic early warning method based on landslide three-dimensional monitoring |
| CN115424426A (en) * | 2022-08-15 | 2022-12-02 | 中国地质环境监测院(自然资源部地质灾害技术指导中心) | Method for improving accuracy of regional geological disaster early warning and forecasting |
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| CN112465356A (en) * | 2020-11-30 | 2021-03-09 | 国网四川省电力公司电力科学研究院 | Improved quantitative evaluation method and system for material vulnerability of landslide geological disaster |
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| CN113380005A (en) * | 2021-08-16 | 2021-09-10 | 中铁水利水电规划设计集团有限公司 | Flood prevention consultation monitoring device and method based on Internet of things |
| CN114333245A (en) * | 2022-01-05 | 2022-04-12 | 中国地质科学院探矿工艺研究所 | Multi-parameter model dynamic early warning method based on landslide three-dimensional monitoring |
| CN114093138A (en) * | 2022-01-11 | 2022-02-25 | 国能大渡河流域水电开发有限公司 | Embedded rainfall monitoring terminal and monitoring method for landslide monitoring and early warning |
| CN115424426A (en) * | 2022-08-15 | 2022-12-02 | 中国地质环境监测院(自然资源部地质灾害技术指导中心) | Method for improving accuracy of regional geological disaster early warning and forecasting |
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Application publication date: 20160824 |