搜索结果: 1-15 共查到“水文学 irrigation”相关记录15条 . 查询时间(0.666 秒)
Technical and Institutional Evaluation of Geray Irrigation Scheme in West Gojjam Zone, Amhara Region, Ethiopia
Irrigation West Gojjam Zone Amhara Region
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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
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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...
Groundwater use for irrigation – a global inventory
Groundwater irrigation global inventory
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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...
A genetic algorithm for optimizing off-farm irrigation scheduling
Agenetic algorithm optimizing off-farm irrigation scheduling
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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
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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...
THE EFFECT OF SHELTER BELTS AND IRRIGATION ON WATER USE IN A DRY REGION
SHELTER BELTS IRRIGATION WATER USE DRY REGION
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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
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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
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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...
MULTI-CRITERIA IRRIGATION PLANNING FOR DRY SEASON CROPS
artificial neural network back-propagation neural network genetic algorithms
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2009/10/12
The geometry and modeling parameters of an artificial neural network (ANN) have significant effects on its predictive performance efficiency. The optimal geometry of an ANN is problem-dependent. Altho...
ENVIRONMENTAL EVALUATION OF SEWAGE IRRIGATION SYSTEM, ROORKEE, INDIA
Irrigation SEWAGE IRRIGATION SYSTEM ENVIRONMENTAL EVALUATION
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2009/10/12
Irrigation is one of the widely accepted uses of sewage effluent because it contains nutrients of value to crops. However, its use needs to be approached with caution, as it can be harmful to human be...
USE OF REMOTE SENSING AND AGROMETEOROLOGY FOR IRRIGATION MANAGEMENT IN ARID LANDS：A CASE STUDY FROM NORTHWESTERN SAUDI ARABIA
REMOTE SENSING ARID LANDS IRRIGATION MANAGEMENT
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2009/10/12
Efficacy of irrigation management of major crops grown in the Wadi Sirhan area was
determined in the present study from agroclimatic data merged with remotely sensed data, and
irrigation scheduling ...
EVALUATING THE QUANTITY AND QUALITY OF GROUNDWATER FOR IRRIGATION IN THE BASEMENT COMPLEX OF ILE-IFE, NIGERIA
electrical conductance irrigation requirements ground water
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2009/10/12
The objective of this study was to evaluate the ground water yield and quality in relation to the irrigation requirements of common field crops grown on a small-scale basis in Ile-Ife, Nigeria. Quanti...
Agricultural-to-hydropower water transfers: sharing water and benefits in hydropower-irrigation systems
hydropower water transfers water resources systems agricultural
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2009/7/22
This paper presents a methodology to assess agricultural-to-hydropower water transfers in water resources systems where irrigation crop production and hydropower generation are the main economic activ...
Use of satellite data to assess the impacts of irrigation withdrawals on Upper Klamath Lake, Oregon
satellite data Variable Inflitration Capacity water resource management
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2009/7/22
Competition for scarce water resources in the Upper Klamath River Basin, Oregon has generated conflict among its stakeholders, as demonstrated by recent regulations on withdrawals from Upper Klamath ...
Development and validation of the global map of irrigation areas
global map irrigation areas
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2009/5/18
A new version of a digital global map of irrigation areas was developed by combining irrigation statistics for 10 825 sub-national statistical units and geo-spatial information on the location and ext...