CN108959746A - Regional agriculture water consumption is appraised and decided and decomposition method - Google Patents
Regional agriculture water consumption is appraised and decided and decomposition method Download PDFInfo
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- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 22
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 238000003973 irrigation Methods 0.000 claims abstract description 12
- 230000002262 irrigation Effects 0.000 claims abstract description 12
- 239000003621 irrigation water Substances 0.000 claims abstract description 12
- 238000009313 farming Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims abstract description 4
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- 238000003860 storage Methods 0.000 claims description 12
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- 235000009566 rice Nutrition 0.000 claims description 3
- 238000009328 dry farming Methods 0.000 claims description 2
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Abstract
It is appraised and decided the present invention relates to a kind of regional agriculture water consumption and decomposition method, its step are as follows: A, according to typical Water Resources Irrigation supply and demand system relationship, based on water is carried out in region, main water source node monitors the data such as water, typical irrigated area agricultural irrigation water amount analysis model is established using water resource supply and demand sunykatuib analysis technology；B, according to elements such as typical irrigated area type, pattern of farming, Area distributions, regional agriculture water consumption computation model is established.C, using the main indicator for influencing Water Consumption in Agriculture as foundation, Ordered Decomposition is carried out between examination region to regional agriculture water consumption.The present invention appraises and decides for regional agriculture water consumption and provides a kind of technical method of reasonable with decomposition.
Description
Technical field
The present invention relates to regional water use amounts to analyze statistical technique field, more particularly to multi-water resources, agricultural water dosage rate
Lower regional agriculture water consumption is appraised and decided and decomposition method.
Background technique
Reinforcing water total amount statistical work is to implement the vital task of most stringent water resources management system, is most stringent water money
The important support of source control assessment mode is an important foundation sex work of water resources management.Water Consumption in Agriculture influence factor
It is numerous, 50% or more of regional water use total amount is typically constituted from, is the key points and difficulties of water total amount statistical work.According to " about print
The notice of hair water inventory statistical project " (doing resource [2014] 57), the calculation method of water total amount: it is based on water drawal permission system
The daily water resources management work such as degree, water using planning management and water resource monitoring capacity build grasped information, gradually carry out
Emphasis takes water user to count one by one, non-emphasis takes water user's sampling or typical investigation, the comprehensive technical method for calculating water total amount.
Since irrigated area generally has the characteristics that water source quantity is more, configuration structure is complicated, the work of agricultural water measure monitor is weak, unite one by one
Meter irrigated area Water Consumption in Agriculture inquires into regional agriculture water consumption in turn, and there are larger difficulty.Simultaneously as irrigated area area is larger, covering
Region is wider, and part irrigated area range often covers different most stringent water resources examinations region.How in regional agriculture water consumption core
On the basis of fixed, in conjunction with the main indicator situation of influence area Water Consumption in Agriculture, Water Consumption in Agriculture extremely examination region is decomposed also not
Form scientific and effective method.
Summary of the invention
The technical problem to be solved by the present invention is to rationally appraise and decide regional agriculture water consumption and to the water consumption most stringent
Water resource examination is effectively decomposed between region, proposes a kind of irrigated area agricultural water based on water resource supply and demand analogue technique
Measure analysis model, the regional agriculture water consumption statistics model based on irrigated area unit area water consumption, based on the agriculture of relative defects
Decomposition method of the industry water consumption between examination region.
The present invention uses following technical scheme to solve above-mentioned technical problem: a kind of regional agriculture water consumption is appraised and decided and is decomposed
Method, described method includes following steps:
A, according to Water Resources Irrigation supply and demand system relationship, water, water requirement, hydraulic engineering scheduling rule, master are come with irrigated area
Based on wanting water source to monitor water supply, agricultural irrigation water amount analysis mould in irrigated area is established using water resource supply and demand sunykatuib analysis technology
Type；
B, according to irrigated area type, pattern of farming, Area distribution, management level, irrigated area unit irrigation water capacity per mu is calculated,
Establish regional agriculture water consumption computation model；
C, using the main indicator for influencing Water Consumption in Agriculture as foundation, regional agriculture water consumption is carried out between examination region
Ordered Decomposition.
Further, irrigated area agricultural irrigation water amount analysis model is as follows in step A:
1) objective function: water source monitors water supply and simulates the difference minimum of water supply
In formula: Qi,jWater supply is simulated for main water source；Ci,jWater supply is monitored for main water source；I is water source type, i=
1,2,3 respectively represents water storage project, diversion works, water lift engineering water source；J=1,2,3...n represents water source number；
2) constraint condition:
Water balance constraint:
The constraint of water source project storage capacity:
Process capability constraint:
The constraint of water source project water supply:
In formula:For t period water source project reservoir storage；For t+1 period water source project reservoir storage；When for t
Section water source project carrys out flow；For water source project t period water supply；Water is lost for t period water source project； Respectively t period water source project maximum water-holding capacity lower limit, upper limit value；It is water source project most greater than water
Ability；The water requirement of user is corresponded to for t period water source project；
3) irrigated area Water Consumption in Agriculture:
In formula: NY is irrigated area Water Consumption in Agriculture；For the corresponding non-agricultural water requirement of t period water source project.
Further, the computation model of regional agriculture water consumption is in the step B,
Wherein, Y is regional agriculture water consumption；NYi,jIt is used for the agricultural in the irrigated area i class scale j
Water；Ai,jFor the irrigated area in the irrigated area i class scale j；BiFor the irrigated area in i class scale irrigated area.
Further, Ordered Decomposition is carried out between examination region to regional agriculture water consumption in the step C, specifically such as
Under:
Yj=Y × Uj/∑Uj
In formula: YjTo examine regional agriculture water consumption；UjFor relative defects, relative defects are to influence agricultural water
On the basis of measuring main indicator progress nondimensionalization and relative weighting analysis, using analytic hierarchy process (AHP) or Variable Fuzzy preferred method
Analysis determines.
Further, using the Water Consumption in Agriculture of irrigated area unit irrigated area as the foundation for appraising and deciding regional agriculture water consumption.
Further, by areal precipitation, rice area, fruits and vegetables area, other dry farming areas, water-saving irrigation the area ratio,
Prior year irrigation water capacity is as the foundation for decomposing examination regional agriculture water consumption.
The regional agriculture water consumption proposed according to the present invention is appraised and decided and decomposition method, can scientifically and rationally appraise and decide region agriculture
Industry water consumption, and it is effectively decomposed between examination region.To realize that the unified examination of regional agriculture water consumption provides
May, it lays the foundation for the examination of most stringent water resources management system water total amount.
Detailed description of the invention
Fig. 1 is that regional agriculture water consumption of the present invention appraises and decides the schematic diagram with decomposition method.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described further.
A kind of regional agriculture water consumption is appraised and decided and decomposition method, which is characterized in that described method includes following steps:
A, according to Water Resources Irrigation supply and demand system relationship, water, water requirement, hydraulic engineering scheduling rule are come with region irrigated area
Then, irrigated area agricultural irrigation water amount is mainly established using water resource supply and demand sunykatuib analysis technology based on water source monitoring water supply
Analysis model；The irrigated area agricultural irrigation water amount analysis model is as follows:
1) objective function: water source monitors water supply and simulates the difference minimum of water supply
In formula: Qi,jWater supply is simulated for main water source；Ci,jWater supply is monitored for main water source；I is water source type, i=
1,2,3 respectively represents water storage project, diversion works, water lift engineering water source；J=1,2,3...n represents water source number；
2) constraint condition:
Water balance constraint:
The constraint of water source project storage capacity:
Process capability constraint:
The constraint of water source project water supply:
In formula:For t period water source project reservoir storage；For t+1 period water source project reservoir storage；When for t
Section water source project carrys out flow；For water source project t period water supply；Water is lost for t period water source project； Respectively t period water source project maximum water-holding capacity lower limit, upper limit value；It is water source project most greater than water
Ability；The water requirement of user is corresponded to for t period water source project；
3) irrigated area Water Consumption in Agriculture:
In formula: NY is irrigated area Water Consumption in Agriculture；For the corresponding non-agricultural water requirement of t period water source project.
B, according to irrigated area type, pattern of farming, Area distribution, management level, the agricultural of irrigated area unit irrigated area is used
Water calculates irrigated area unit irrigation water capacity per mu, establishes regional agriculture water as the foundation for appraising and deciding regional agriculture water consumption
Measure computation model, the computation model of the regional agriculture water consumption are as follows:
Wherein, Y is regional agriculture water consumption；NYi,jIt is used for the agricultural in the irrigated area i class scale j
Water；Ai,jFor the irrigated area in the irrigated area i class scale j；BiFor the irrigated area in i class scale irrigated area.
C, to influence the main indicator of Water Consumption in Agriculture as foundation, specially by areal precipitation, cultivated area, efficiently section
The indexs such as water irrigated area rate are as the foundation for decomposing examination regional agriculture water consumption, to regional agriculture water consumption in examination region
Between carry out Ordered Decomposition, it is specific as follows:
Yj=Y × Uj/∑Uj
In formula: YjTo examine regional agriculture water consumption；UjFor relative defects, relative defects are to influence agricultural water
On the basis of measuring main indicator progress nondimensionalization and relative weighting analysis, using analytic hierarchy process (AHP) or Variable Fuzzy preferred method
Analysis determines.
Exemplary application:
232.28 ten thousand mu of certain city's effective irrigation area, 223.81 ten thousand mu of farmland actual irrigation area, water-saving irrigation project face
143.60 ten thousand mu of product.The invention will be further described for by certain city, Water Consumption in Agriculture is appraised and decided and decomposed.
(1) according to factors such as city irrigated area type, pattern of farming, the irrigation scales, select 5 irrigated areas as typical irrigated area into
The analysis of row irrigated area Water Consumption in Agriculture.
(2) each typical irrigated area agriculture is obtained using simulation model of water resources supply and demand according to typical Water Resources Irrigation system status
Industry water consumption, is shown in Table 1.
Table 1: typical irrigated area Water Consumption in Agriculture calculating achievement
| Irrigated area title | Irrigated area (ten thousand mu) | Water Consumption in Agriculture (ten thousand m3) |
| Irrigated area I | 56.8 | 22126 |
| Irrigated area II | 5.7 | 2945 |
| Irrigated area III | 1.5 | 640 |
| Irrigated area IV | 1.2 | 454 |
| Irrigated area V | 0.9 | 395 |
(3) basic condition is irrigated according to typical irrigated area Water Consumption in Agriculture and regional agriculture, city's agricultural water is calculated
Measure ten thousand m of NY=915883。
(4) according to 7, city examination object agricultural irrigation overall situation, rice growing area, vegetable and fruit sowing are selected
6 indexs such as area, other Dry crop sown areas decompose to obtain 7 examination regions using regional agriculture water consumption decomposition model
Water Consumption in Agriculture, such as table 2.
Table 2: examination regional agriculture water consumption decomposes achievement
It should be noted that above embodiment is only the preferable embodiment of the present invention, cannot be understood as to this
The limitation of invention protection scope, under the premise of without departing from present inventive concept, to any minor variations and modifications of the invention done
It all belongs to the scope of protection of the present invention.
Claims (6)
1. a kind of regional agriculture water consumption is appraised and decided and decomposition method, which is characterized in that described method includes following steps:
A, according to Water Resources Irrigation supply and demand system relationship, water, water requirement, hydraulic engineering scheduling rule, main water are come with irrigated area
Based on source monitors water supply, irrigated area agricultural irrigation water amount analysis model is established using water resource supply and demand sunykatuib analysis technology.
B, according to irrigated area type, pattern of farming, Area distribution, management level, irrigated area unit irrigation water capacity per mu is calculated, is established
Regional agriculture water consumption computation model.
C, using the main indicator for influencing Water Consumption in Agriculture as foundation, regional agriculture water consumption is carried out between examination region orderly
It decomposes.
2. a kind of regional agriculture water consumption according to claim 1 is appraised and decided and decomposition method, which is characterized in that in step A
Irrigated area agricultural irrigation water amount analysis model is as follows:
1) objective function: water source monitors water supply and simulates the difference minimum of water supply
In formula: Qi,jWater supply is simulated for main water source；Ci,jWater supply is monitored for main water source；I is water source type, i=1,2,3
Respectively represent water storage project, diversion works, water lift engineering water source；J=1,2,3...n represents water source number；
2) constraint condition:
Water balance constraint:
The constraint of water source project storage capacity:
Process capability constraint:
The constraint of water source project water supply:
In formula:For t period water source project reservoir storage；For t+1 period water source project reservoir storage；For t period water
Source engineering carrys out flow；For water source project t period water supply；Water is lost for t period water source project； Respectively t period water source project maximum water-holding capacity lower limit, upper limit value；For water source project maximum discharge capacity；The water requirement of user is corresponded to for t period water source project；
3) irrigated area Water Consumption in Agriculture:
In formula: NY is irrigated area Water Consumption in Agriculture；For the corresponding non-agricultural water requirement of t period water source project.
3. a kind of regional agriculture water consumption according to claim 2 is appraised and decided and decomposition method, which is characterized in that the step
The computation model of regional agriculture water consumption is in B,
Wherein, Y is regional agriculture water consumption；NYi,jFor the agricultural water in the irrigated area i class scale j
Amount；Ai,jFor the irrigated area in the irrigated area i class scale j；BiFor the irrigated area in i class scale irrigated area.
4. a kind of regional agriculture water consumption according to claim 3 is appraised and decided and decomposition method, which is characterized in that the step
Ordered Decomposition is carried out between examination region to regional agriculture water consumption in C, specific as follows:
Yj=Y × Uj/∑Uj
In formula: YjTo examine regional agriculture water consumption；UjFor relative defects, relative defects are to influence Water Consumption in Agriculture master
On the basis of wanting index to carry out nondimensionalization and relative weighting analysis, analyzed using analytic hierarchy process (AHP) or Variable Fuzzy preferred method
It determines.
5. regional agriculture water consumption according to claim 1 is appraised and decided and decomposition method, which is characterized in that by irrigated area unit
The Water Consumption in Agriculture of irrigated area is as the foundation for appraising and deciding regional agriculture water consumption.
6. regional agriculture water consumption according to claim 1 is appraised and decided and decomposition method, which is characterized in that by Regional Precipitation
Amount, rice area, fruits and vegetables area, other dry farming areas, water-saving irrigation the area ratio, prior year irrigation water capacity are as decomposition examination
The foundation of regional agriculture water consumption.
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| CN109345105A (en) * | 2018-09-25 | 2019-02-15 | 淮阴工学院 | A kind of multi-water resources lrrigation Area amount review method |
| CN109816550A (en) * | 2018-12-18 | 2019-05-28 | 深圳市东深电子股份有限公司 | A kind of automatic water resource appraisal management system and method |
| CN112966221A (en) * | 2021-03-04 | 2021-06-15 | 江西省水利科学院 | Method for converting total water consumption of assessment year in southern rich water region |
| CN113888046A (en) * | 2021-11-03 | 2022-01-04 | 河南省水利科学研究院 | County-area agricultural initial water right accounting and distributing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345105A (en) * | 2018-09-25 | 2019-02-15 | 淮阴工学院 | A kind of multi-water resources lrrigation Area amount review method |
| CN109816550A (en) * | 2018-12-18 | 2019-05-28 | 深圳市东深电子股份有限公司 | A kind of automatic water resource appraisal management system and method |
| CN109816550B (en) * | 2018-12-18 | 2023-01-24 | 深圳市东深电子股份有限公司 | Automatic water resource assessment management system and method |
| CN112966221A (en) * | 2021-03-04 | 2021-06-15 | 江西省水利科学院 | Method for converting total water consumption of assessment year in southern rich water region |
| CN113888046A (en) * | 2021-11-03 | 2022-01-04 | 河南省水利科学研究院 | County-area agricultural initial water right accounting and distributing method |
| CN113888046B (en) * | 2021-11-03 | 2024-05-14 | 河南省水利科学研究院 | County-area agricultural initial water right accounting and distribution method |
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