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美国国家地质调查局水资源利用信息项目（The U.S. Geological Survey's National Water-Use Information Program）
美国国家地质调查局水资源利用信息项目 The U.S. Geological Survey's National Water-Use Information Program USGS
2013/9/9
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation with local, State, and Fed...
An Evaluation of Urban Landscape Water Use in Texas
Landscapes lawns irrigation ornamental plants water use conservation
2013/9/9
Irrigated agriculture is the largest user of water in Texas, followed by urban-municipal uses, which has landscape irrigation as its largest component. Data from various sources were used to estimate ...
Water Resources Allocation Considering the Water Use Flexible Limit to Water Shortage—A Case Study in the Yellow River Basin of China
Flexible limit·Water shortage Water resources allocation Yellow river
2013/7/25
Water resources allocation in a river basin is customarily determined basedon long-term mean water availability. However, inter-annual variability of waterresources caused by climate fluctuation...
An Analysis of the Effects of Sociodemographic Factors on Daily Per Capita Residential Water Use in Texas Cities
Sociodemographic Factors Daily Per Capita Residential Water Texas Cities
2013/9/11
Water is a key resource of concern to residents and decision makers in the State of Texas and in many other parts of the United States. Careful planning for its use is of utmost importance for the Sta...
In this research project, a methodology for automating the forecasting of municipal daily water use is developed and implemented in a microcomputer program called WATCAL. An automated forecast system ...
Management of Trickle Irrigated Orchards for Increased Water Use Efficiency
Management Trickle Irrigated Orchards Increased Water Efficiency
2013/9/11
Trickle irrigation is the most efficient method of irrigating peach orchards in Texas. With a trickle irrigation system, a producer may make full use of a limited or low-volume water supply to apply p...
Increased Water Use Efficeincy Through Trickle Irrigation
Increased Water Efficiency Trickle Irrigation
2013/9/11
The gap between supply and demand of water for agricultural and municipal uses is rapidly closing at a time when world food requirements are increasing at an alarming rate. To meet the demand for agri...
Optimization of Water Use Efficiency Through Trickle Irrigation and the Stress Day Index
Optimization Water Efficiency Trickle Irrigation the Stress Day Index
2013/9/11
Water deficits reduce plant growth and subsequently, crop yields. Man has relied upon irrigation to overcome these crop water deficiencies. But since the present supplies of water are limited, more ef...
Increasing Water Use Efficiency Through Improved Orifice Design and Operational Procedures for Subirrigation Systems
Increasing Water Efficiency Improved Orifice Design Operational Procedures Subirrigation Systems
2013/9/11
Two mathematical models describing one-dimensional flow from buried sources and in unsaturated soils were developed. One considered the consumption of water by roots. For the assumed distribution of t...
Water Use Efficiency in Plant Growth and Ambient Carbon Dioxide Level
Water Efficiency Plant Growth Ambient Carbon Dioxide Level
2013/9/11
This report examines the validity and explores the practical implications of the proposition that CO2 enrichment of the leaf environment enhances plant growth and, simultaneously decreases plant water...