搜索结果: 1-15 共查到“理学 irrigation”相关记录24条 . 查询时间(0.328 秒)
STUDIES AND APPLICATION OF REMOTE SENSING RETRIEVAL METHOD OF SOIL MOISTURE CONTENT IN LAND PARCEL UNITS IN IRRIGATION AREA
Land Parcel Unit Soil Moisture Content Remote Sensing Retrieval Water Resource Management Irrigation Area
2018/5/17
Soil moisture is one of the important hydrological elements. Obtaining soil moisture accurately and effectively is of great significance for water resource management in irrigation area. During the pr...
How much water flows into agricultural irrigation?New study provides 18-year water use record（图）
water flows agricultural irrigation 18-year water record
2017/10/26
Irrigation for agriculture is the largest use of fresh water around the globe, but precise records and maps of when and where water is applied by farmers are difficult to locate. Now a team of researc...
Technical and Institutional Evaluation of Geray Irrigation Scheme in West Gojjam Zone, Amhara Region, Ethiopia
Irrigation West Gojjam Zone Amhara Region
2015/8/13
The technical and institutional performance evaluation of Geray Irrigation Scheme was made in order to identify management practices for implementation to improve the system operation and the performa...
Technical and Institutional Evaluation of Geray Irrigation Scheme in West Gojjam Zone, Amhara Region, Ethiopia
Irrigation West Gojjam Zone Amhara Region Ethiopia Water User Associations WUA
2015/1/7
The technical and institutional performance evaluation of Geray Irrigation Scheme was made in order to identify management practices for implementation to improve the system operation and the performa...
River Murray salinity management and irrigation
River Murray salinity management and irrigation
2012/3/30
Over recent geological time saline groundwater has accumulated across a vast area stretching from Shepparton to the Murray mouth. This is a natural process that results from low rainfall regimes and v...
Occurrence, genesis and environmental significance of schwertmannite in re-flooded Acid Sulfate Soils in the Lower Murray Reclaimed Irrigation Area
genesis environmental significance schwertmannite re-flooded Acid Sulfate Soils the Lower Murray Reclaimed Irrigation Area
2012/3/30
The Lower Murray Reclaimed Irrigation Area (LMRIA) comprises approximately 5,000ha of flood-irrigated agricultural land located on the floodplain of the River Murray between Mannum and Lake Alexandrin...
Groundwater use for irrigation – a global inventory
Groundwater irrigation global inventory
2010/12/22
Irrigation is the most important water use sector accounting for about 70% of the global freshwater withdrawals and 90% of consumptive water uses. While the extent of irrigation and related water uses...
Irrigation's Cooling Effects May Mask Warming--For Now（图）
Irrigation's Cooling Effects Warming
2010/9/21
Expanded irrigation has made it possible to feed the world’s growing billions—and it may also temporarily be counteracting the effects of climate change in some regions, say scientists in a new study....
Modelling historical and current irrigation water demand on the continental scale: Europe
Modelling historical current irrigation water demand continental scale
2010/9/10
Water abstractions for irrigation purposes are higher than for any other pan-European water use sector and have a large influence on river runoff regimes. This modelling experiment assesses historic a...
A genetic algorithm for optimizing off-farm irrigation scheduling
Agenetic algorithm optimizing off-farm irrigation scheduling
2009/12/4
This paper examines the use of genetic algorithm (GA) optimization to identify water delivery schedules for an open-channel irrigation system. Significant objectives and important constraints are iden...
Application of genetic algorithms for optimal seasonal furrow irrigation
Application genetic algorithms optimal seasonal furrow irrigation
2009/12/4
A quasi-optimum irrigation season calendar based on economic profit maximization for sloping and runoff-free furrows can be obtained by OPTIMEC (EConomic OPTIMization, in Spanish), a seasonal furrow i...
Brief communication "The integration of remote sensing and meteorological data for monitoring irrigation demand in Cyprus"
remote sensing meteorological data irrigation demand Cyprus
2009/12/31
This paper examines and evaluates the integrated use of satellite remote sensing and meteorological data for estimating crop water requirements over agricultural areas of Cyprus. Intended purpose of t...
THE EFFECT OF SHELTER BELTS AND IRRIGATION ON WATER USE IN A DRY REGION
SHELTER BELTS IRRIGATION WATER USE DRY REGION
2009/10/29
This article describes an investigation of irrigation and water use in an
area with wooden shelter belts. Soil moisture was measurcd using a
neutron moisture probe and tensiometers. The soil is dccp...
Land Use Planning in Denmark:The Use of Soil Physical Data in Irrigation Planning
Land Use Planning Soil Physical Data Irrigation Planning
2009/10/28
The present paper deals with a model developed and used at the Danish
Ministry of Agriculture, Bureau of Land Data, for calculation of the amount
of water needed for irrigation. The model incorporat...
ASSESSMENT OF HYDROLOGIC IMPACTS OF IRRIGATION PROJECTS IN A FLATLAND AREA, SANTA FE, ARGENTINA
HYDROLOGIC IMPACTS ARGENTINA IRRIGATION PROJECTS
2009/10/19
An analysis of the effects of a hypothetical intensive irrigation in the Ludueña Basin, Santa Fe, Argentina, is presented. The vertical flux of water and vapor is modeled for an extended period...