Irrigation and Drainage System As-Built Map Preparation Using Satellite Digital Imagery and a GIS
Multispectral remote sensing from satellite platforms has led to the development of numerous applications which use digital imagery for the classification and mapping of natural resources...
Meteorological Aspects of Drought
This is an overview paper discussing meteorological aspects of drought, and it is part of the report of the Task Committee on Water Management During Droughts. Several drought definitions...
Hydrological Aspects of Droughts
Two hydrologic aspects of droughts are investigated in this study as a part of the work conducted for the task committee on water management during droughts. In the first part a monthly...
Objective Measurement of Drought and Agricultural Response to Drought in the Water-Constrained Monsoon Climate of Tamil Nadu, India
Existing definitions of drought, particularly those based on annual or seasonal probability of occurrence, can fail to characterize adequately the relationship between transient shortfalls...
Operation of the Central Valley Project During California's Drought
The Federal Central Valley Project is one of the country's major water resource developments. A severe 5-year drought has tested the capabilities of the CVP to meet its authorized purposes....
Water Management Under Drought Conditions: An Overview of Practices by Non-Federal Entities
This paper provides an overview of water management procedures and practices of non-federal water management agencies under drought conditions. The general components of drought water...
Operation of the Tennessee Valley Authority Water Control System Under Extreme Drought Conditions
The Tennessee Valley region recently suffered through the most severe drought of record. As increasing demands were placed on the reservoir system, operating priorities were modified to...
Soil Moisture and Runoff?Another Look
Infiltrometer studies conducted on numerous soil types in various locations of the United States which had soil moisture data were used to calculate the runoff Curve Number (CN) of both...
Retention Parameter Estimates for Curve Number Runoff Procedure
A technique is developed for computing estimates and associated probabilities of the retention parameter S in the Soil Conservation Service curve number runoff procedure. This technique...
Hydrologic Considerations in Mined Land Reclamation
Thunder Basin Coal Company (TBCC), a subsidiary of the Atlantic Richfield Company, operates the Black Thunder Mine in the Powder River Basin of Northeast Wyoming. The mine, located roughly...
Variations in Curve Number for a Reclaimed AML Site
Runoff and erosion from an abandoned mine land site near Sheridan, Wyoming were monitored for four years following reclamation. Small plots, which included lengths from 12 to 24 meters...
Agricultural Impacts on Surface Water via Ground Water
Three years of ground and surface water quality monitoring data collected from one site in the mid-Atlantic coastal plain are presented. These data suggest that delivery of P from ground...
Aldicarb Transport in the Coastal Plain of N. C.
The pesticide aldicarb is extremely soluble in water which causes it to be mobile in ground water. A field study was conducted to monitor the fate of the pesticide aldicarb in a poorly...
Water Quality Implications of Encapsulated Atrazine
This paper presents the movement of both encapsulated and wettable powder atrazine under no-till and conventional-till corn in the Coastal Plain physiographic region of Maryland. Soil...
Water Quantity and Quality for Irrigated Agriculture and Wetlands
A water balance for the Carson Division of the Newlands Project in Northwest Nevada was created to identify the potential recovery of irrigation drainage effluent from the shallow aquifer...
Recycling Wastewater by Drip Irrigation
Hawaii's sugar factories produce about 380 million liters of wastewater per day from sugarcane washing, condensation, and cooling operations. Since 1972, wastewater has been used to irrigate...
Expert System for Agricultural and Water Quality Management
Agricultural activities occur in an open environment where uncontrollable climatic events influence both agricultural productivity and water quality. A decision support system is described...
Management of Agricultural Drainage Pollution Considering Regional Cooperation
Increasing awareness of toxic substance discharge from agriculture in the San Joaquin Valley of California has resulted in discharge limits on individual constituents in agricultural drainage....
Gradual Development of Bores in Canal Systems
Modern computer programs for modeling unsteady flow in open channels are typically constructed using a momentum conserving form of the Saint Venant equations. This allows computation of...
Design of Irrigation Distribution System
This paper briefly discusses the Bureau of Reclamation's process of developing the rehabilitation of the Grand Valley Unit in Colorado. Sections are included on accessing needs of the...
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