CN1811804B - Rainmaking work decision-making method - Google Patents
Rainmaking work decision-making method Download PDFInfo
- Publication number
- CN1811804B CN1811804B CN2006100424042A CN200610042404A CN1811804B CN 1811804 B CN1811804 B CN 1811804B CN 2006100424042 A CN2006100424042 A CN 2006100424042A CN 200610042404 A CN200610042404 A CN 200610042404A CN 1811804 B CN1811804 B CN 1811804B
- Authority
- CN
- China
- Prior art keywords
- layer
- zone
- ice
- cloud
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Present invention discloses a Present invention discloses a precipitation enhancement method, specially discloses a precipitation enhancement operational zone decision method. Said decision method includes 1, drawing cold cloud different temperatures layer e - sub > ice < sub, vertical velocity, and water vapor integrated quantity chart above zero degree centigrade layer, and vertical cross section when using macroscopy physical quantity select working , 2, before working, determining operational zone horizon range using one sub-zero temperature layer between -5 -5 to -20 -20 degree centigrade, ice saturation zone and zone of uplift, and above 0 degree centigrade layer integrated quantity >= 9 mm common area, 3, selecting vertical cloud seeding height within ice saturation between -5 to -20 -20 degree centigrade, zone of uplift and t - td <= 2 degree centigrade zonal superposition zone, 4, before working using horizon operational zone indices present time as working starting time, horizon operational zone operational zone indices dissipated time is working ending time. Present invention has operation convenience, decision accuracy etc advantage.
Description
(1) technical field under
The present invention relates to a kind of method of increasing rain artificially, particularly a kind of Rainmaking work decision-making method.
(2) background technology
Increasing rain artificially and can broadcasting the district is the problem that the artificial rain operation decision-making at first will be faced always, abroad determines to broadcast the district before operation with various advanced persons' atmospheric exploration instrument.China utilizes detection instruments such as radar, PMS particle detection system, sounding to determining that can broadcast the district also studies, for the commanding and decision-making before the operation provides valuable experience.Because subcooled water seldom in the cold cloud, in the cloud seeding district, ice face saturation region that ice crystal is increased at first to be arranged, in ice face saturation region, will have sufficient vapor transfer to provide ice crystal to condense or the growth of sublimating, will have suitable cloud top and cloud base condition cloud seeding just can obtain effect preferably.Because it is the artificial rain operation district generally is the selection of making in the short period before cloud seeding, apparent especially important to the understanding of Different Weather structure.
(3) summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, and a kind of decision-making technique of the operation area of determining to increase rain artificially is provided.
The present invention is achieved through the following technical solutions:
A kind of operation area decision-making technique of increasing rain artificially, its special character is: when comprising the steps: before (1) operation to select the operation area with macroscopic physical quantity, at first should draw different temperatures layer e-E in the cold cloud
Ice, vertical speed and the 0 ℃ of above steam integration of layer spirogram, and vertical cross section; (2) horizontal extent of definite operation area before the operation; (3) the vertical cloud seeding height of definite operation area before the operation; (4) determine operation start time and end of job time before the operation.
Specific operation process is as follows:
When (1) selecting the operation area with macroscopic physical quantity before the operation, at first should draw different temperatures layer in the cold cloud (5 ℃ at interval) e-E
Ice, vertical speed and the 0 ℃ of above steam integration of layer spirogram, and vertical cross section.The existence of ice face saturation region is the essential condition of cloud seeding, and the ice face should not carry out the catalysis operation outside the saturation region.And have a large amount of vapor transfer can guarantee effective growth of ice crystal in the ice face saturation region.
(2) horizontal extent of definite operation area before the operation:, a certain subzero temperature layer between-5～-20 ℃, the common region of ice face saturation region, rising area, 0 ℃ of above steam integration amount＞=9mm of layer is the horizontal cloud seeding scope of operation area.
(3) the vertical cloud seeding height of definite operation area before the operation: between-5～-20 ℃, select vertical cloud seeding height in the coincidence district in ice face saturation region, rising area and ℃ district, T-Td＜=2.
(4) determine operation start time and end of job time before the operation: the time that the common region of ice face saturation region and rising area, 0 ℃ of above steam integration amount＞=9mm of layer occurs is the operation start time, and the time that ice face saturation region, rising area, the common region of 0 ℃ of above steam integration amount＞=9mm of layer disappear is the end of job time.
For being explained as follows of some technical terms:
1. ice the face saturation region
In 0 ℃ of cold layer more than the layer, face is saturated if vapour pressure reaches ice, and steam can be sublimated at ice crystal surface, and aqueous water also can shift to ice crystal by steaming the process of coagulating in the cloud, at the saturated (e-E of ice face
Ice＞0) ice crystal can accelerated growth in the environment.So cloud seeding at first will carry out in ice face saturation region, this is first index of determining the operation area.It also is the main foundation of determining level and vertical scope of work.
2. steam vertical transport
When the cloud seeding environment field is in ice face state of saturation, at this moment increase water-vapo(u)r density if any the meeting of steam convergence endlessly, the process ice crystal can faster growth speed by sublimating etc.Therefore, desirable condition is more vapor transfer to be arranged below the 0 ε layer in the ice face saturation region more than the 0 ε layer, and ice crystal is grown up external environment condition preferably.Steam reduces gradually with the increase of height in natural cloud, and ascending velocity can be transported to lower floor's steam in the desirable ice face saturation region.Therefore, having or not the steam vertical transport in the operation area as second index determining the operation area.
3. steam integration amount
Numerical simulation points out, behind the cloud seeding in the cloud minimizing of vapour quantity and ice crystal grow up relevantly, the steam latent heat of sublimating also has contribution to the increase of ascending velocity in the cloud.Introducing artificial ice crystal when ice face supersaturation in the cloud can make part steam sublimate and then change into precipitation.What therefore, what of vapour quantity can be reflected cloud layer from another point of view in the cold cloud increases the rain potentiality.42 of precipitation and 56 each and every one examples are arranged in 3 hours before and after statistical study Jinan, Qingdao sounding time (08,20 o'clock) respectively.The result shows: it is in close relations with surface precipitation that the steam in cold cloud precipitation between 0～-30 ε all condenses into the liquid aqueous water degree of depth (W) in the gas column bottom surface.In the individual example in Jinan and Qingdao, the W maximal value is respectively 12.7mm and 15.5mm, and minimum value is respectively 5.0mm and 5.1mm, and mean value is respectively 9.4mm and 9.1mm.The W value obviously increased in a leap before general precipitation took place, and precipitation finishes back W value and reduces rapidly.Statistical study draws, and can produce effective precipitation in the zone of steam integration amount＞=9mm between 0～-30 ε, is comparatively ideal cloud seeding district.Therefore, steam integration amount＞=9mm is the 3rd index of definite operation area between 0～-30 ε.
4. quasi saturation district thickness
For guaranteeing that cloud seeding carries out in the cloud sector, the saturation region that is as the criterion, the zone of definition of T-Td＜=2 ℃.The vertical distribution in quasi saturation district can roughly be determined the vertical range in cloud sector.Growing up for precipitation particles in deep quasi saturation district provides environment field preferably, the lower height of cloud base to reduce to drop out under the raindrop evaporation behind the cloud.The cloud seeding district is in the above quasi saturation district of-5 ε floor and the height of cloud base＜1000m is decision-making commander's a auxiliary characteristics.
The present invention is convenient to be determined to broadcast the district before operation, has easy to operate, the advantage accurately of making a strategic decision.
(4) description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Accompanying drawing is an idiographic flow synoptic diagram of the present invention.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment is the specific operation process that the Shandong Province increases rain artificially and makes a strategic decision.After the weather warning system sends the early warning that rainfall was arranged in 24 hours, enter decision system.Calculate and draw 0 ,-5 ,-10 ,-15 ,-20 ,-25 ,-30 ε layers ice face saturation region, vertical steam delivery area, whole layer and cold layer of steam integration amount isoline; Determine scope of work.Draw broadwise and radially comprehensive vertical cross section,, determine operation height with reference to single station sounding analysis vertical features amount.Design is the operation course line of about 10km at interval, declares production plan in preceding 2 hours in the operation of increasing rain artificially.Utilize satellite monitoring in real time to utilize radar monitoring in real time and the monitoring in real time of automatic weather station net to correct the operation course line, adjust activity duration, operating area and operation height.The flight of marching into the arena then.Take place if any the lightning that can not hide in the monitoring of 5 the lightning location instrument in Shandong, can carry out the operation that antiaircraft gun, rocket are increased rain artificially in the lightning generating region.
Claims (1)
1. operation area decision-making technique of increasing rain artificially is characterized in that: when comprising the steps: before (1) operation to select the operation area with macroscopic physical quantity, at first should draw different temperatures layer e-E in the cold cloud
Ice, different temperatures layer vertical speed, the 0 ℃ of above steam integration of layer spirogram, vertical cross section; (2) determine the horizontal extent of operation area before the operation: the common region of a certain subzero temperature layer rising area, 0 ℃ of above steam integration amount＞=9mm of layer is the horizontal cloud seeding scope of operation area between a certain subzero temperature layer ice face saturation region between-5 ~-20 ℃ ,-5 ~-20 ℃; (3) the vertical cloud seeding height of definite operation area before the operation: between-5～-20 ℃, select vertical cloud seeding height in the coincidence district in ice face saturation region, rising area and ℃ district, T-Td＜=2; (4) determine operation start time and end of job time before the operation: the time that ice face saturation region, rising area, the common region of 0 ℃ of above steam integration amount＞=9mm of layer occur is the operation start time, and the time that ice face saturation region, rising area, the common region of 0 ℃ of above steam integration amount＞=9mm of layer disappear is the end of job time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100424042A CN1811804B (en) | 2006-02-23 | 2006-02-23 | Rainmaking work decision-making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100424042A CN1811804B (en) | 2006-02-23 | 2006-02-23 | Rainmaking work decision-making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811804A CN1811804A (en) | 2006-08-02 |
| CN1811804B true CN1811804B (en) | 2011-02-09 |
Family
ID=36844714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100424042A Expired - Fee Related CN1811804B (en) | 2006-02-23 | 2006-02-23 | Rainmaking work decision-making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1811804B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798638B (en) * | 2015-05-13 | 2017-10-03 | 王以琳 | Axis is shifted to radar return and determines the method for target area and contrast district of increasing rain artificially |
| CN106443679B (en) * | 2016-09-29 | 2019-01-25 | 福建省气象科学研究所 | A kind of method of the identification of cold cloud artificial snowfall operation condition and operation effectiveness analysis |
| CN108830498A (en) * | 2018-06-26 | 2018-11-16 | 大连市人工影响天气办公室 | A kind of method of discrimination of snow enhancement operation potentiality |
| CN109270595B (en) * | 2018-09-20 | 2020-11-10 | 华中科技大学 | Weather operation method and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082311A (en) * | 1993-04-21 | 1994-02-23 | 黑龙江省人民政府人工降雨办公室 | Artificial affecting weather technology system |
-
2006
- 2006-02-23 CN CN2006100424042A patent/CN1811804B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082311A (en) * | 1993-04-21 | 1994-02-23 | 黑龙江省人民政府人工降雨办公室 | Artificial affecting weather technology system |
Non-Patent Citations (3)
| Title |
|---|
| 王以琳等.冷云人工增雨催化区的探空判据.气象学报60 1.2002,60(1),116-121. |
| 王以琳等.冷云人工增雨催化区的探空判据.气象学报60 1.2002,60(1),116-121. * |
| 王以琳等.山东飞机人工增雨作业决策系统.应用气象学报12.2001,12185-193. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1811804A (en) | 2006-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1811804B (en) | Rainmaking work decision-making method | |
| Medina et al. | Summer monsoon convection in the Himalayan region: Terrain and land cover effects | |
| CN106198920B (en) | The method simulated the experimental provision of salt-soda soil moisture-salt transport and prevent accumulation of salt in the surface soil measure using device screening salt-soda soil | |
| Goldstein | Paleosols of Late Pennsylvanian cyclic strata, New Mexico | |
| Tang et al. | Large-scale vertical velocity, diabatic heating and drying profiles associated with seasonal and diurnal variations of convective systems observed in the GoAmazon2014/5 experiment | |
| Nakaya | The formation of ice crystals | |
| Jun et al. | Effects of deep soil desiccation on artificial forestlands in different vegetation zones on the Loess Plateau of China | |
| Liu et al. | Climatic characteristics of convective and stratiform precipitation over the Tropical and Subtropical areas as derived from TRMM PR | |
| CN104459045B (en) | Precipitation infiltration process and root growth dynamic comprehensive recording geometry | |
| CN204317131U (en) | With the desert plant cultivating container of flared bed | |
| CN100559395C (en) | Aircraft artificial rainmaking work technology system | |
| Zheng et al. | High-resolution records of Holocene from the Shuangchi Maar lake in Hainan Island | |
| Chen et al. | The interannual variation in monthly temperature over Northeast China during summer | |
| Wang et al. | Spatial distribution of the debris layer on glaciers of the Tuomuer Peak, western Tian Shan | |
| Hu et al. | The characteristics of gully erosion over rolling hilly black soil areas of Northeast China | |
| Jing-Bei et al. | Precursory signals of extensive and persistent extreme cold events in China | |
| Spötl et al. | Speleothems from the high-alpine Spannagel cave, Zillertal Alps (Austria) | |
| Zschenderlein et al. | The unusually long cold spell and the snowstorm Filomena in Spain in January 2021 | |
| CN204206828U (en) | Plant cultivation vessel | |
| Gorbunov et al. | Solifluction in the mountains of Central Asia: distribution, morphology, processes | |
| Pujol et al. | Kinematics and microphysics of MAP-IOP3 event from radar observations and Meso-NH simulations | |
| Mahindawansha | Estimating water flux and evaporation losses using stable isotopes of soil water from irrigated agricultural crops in tropical humid regions | |
| Qi et al. | Comparison of the structure and evolution of intraseasonal oscillations before and after onset of the Asian summer monsoon | |
| Shekhar et al. | Soil moisture profile analysis using tensiometer under different discharge rates of drip emitter | |
| Alapaty et al. | Sensitivity of monsoon circulations to changes in sea surface temperatures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20120223 |