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Dissolved solids in basin-fill aquifers and streams in the southwestern United States

Scientific Investigations Report 2006-5315

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Abstract

The U.S. Geological Survey National Water-Quality Assessment Program performed a regional study in the Southwestern United States (Southwest) to describe the status and trends of dissolved solids in basin-fill aquifers and streams and to determine the natural and human factors that affect dissolved solids. Basin-fill aquifers, which include the Rio Grande aquifer system, Basin and Range basin-fill aquifers, and California Coastal Basin aquifers, are the most extensively used ground-water supplies in the Southwest. Rivers, such as the Colorado, the Rio Grande, and their tributaries, are also important water supplies, as are several smaller river systems that drain internally within the Southwest, or drain externally to the Pacific Ocean in southern California. The study included four components that characterize (1) the spatial distribution of dissolved-solids concentrations in basin-fill aquifers, and dissolved-solids concentrations, loads, and yields in streams; (2) natural and human factors that affect dissolved-solids concentrations; (3) major sources and areas of accumulation of dissolved solids; and (4) trends in dissolved-solids concentrations over time in basin-fill aquifers and streams, and the relation of trends to natural or human factors.

Study Area

Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Dissolved solids in basin-fill aquifers and streams in the southwestern United States
Series title:
Scientific Investigations Report
Series number:
2006-5315
Edition:
Version 1.1
Year Published:
2007
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Reston, VA
Contributing office(s):
Utah Water Science Center, Arizona Water Science Center, National Water Quality Assessment Program
Description:
Report: xiv, 168 p.; 11 Appendices; Interactive Plate; Spatial Data
Country:
United States
State:
Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, Wyoming
Online Only (Y/N):
N
Additional Online Files (Y/N):
Y