Sources and transport of phosphorus in the Western Lake Michigan Drainages
In 1991, the U.S. Geological Survey (USGS) began full implementation of the National Water-Quality Assessment (NAWQA) Program. The goals of the NAWQA program are to (1) provide a nationally consistent descrip- tion of water-quality conditions for a large part of the Nation's water resources, (2) define long-term trends (or lack of trends) in water quality, and (3) identify, describe, and explain, as possible, the major factors that affect the observed water-quality conditions and trends (Hirsch and others, 1988). To fulfill the goals of the NAWQA program, the USGS plans to examine 60 areas (study units) across the United States on a rotational cycle. The first 20 of these study units began intensive investigations in 1991. One of these study units is the Western Lake Michigan Drainages (WMIC) (fig. 1).
Citation Information
Publication Year | 1996 |
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Title | Sources and transport of phosphorus in the Western Lake Michigan Drainages |
DOI | 10.3133/fs20896 |
Authors | Dale M. Robertson |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Fact Sheet |
Series Number | 208-96 |
Index ID | fs20896 |
Record Source | USGS Publications Warehouse |
USGS Organization | Wisconsin Water Science Center |