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1988 Wet deposition temporal and spatial patterns in North America [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1992.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (198 pages) : digital, PDF file
Additional Creators
Pacific Northwest Laboratory, United States. Department of Energy, United States. Environmental Protection Agency, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The focus of this report is on North American wet deposition temporal patterns from 1979 to 1988 and spatial patterns for 1988. It is the third in a series of reports that investigate the patterns of annual precipitation-weighted average concentration and annual deposition for nine ion species: hydrogen, sulfate, nitrate, ammonium, calcium, chloride, sodium, potassium, and magnesium. Mosaic maps, based on surface estimation using kriging, display concentration and deposition spatial patterns of pH, hydrogen, sulfate, nitrate, ammonium, and calcium ion species for 1988 annual, winter, and summer periods. Temporal pattern analyses use a subset of 35 sites over a 10-year (1979--1988) period and an expanded subset of 137 sites, with greater spatial coverage, over a 7-year (1982--1988) period. The 10-year period represents the longest period with wet deposition monitoring data available that has a sufficient number of sites with data of known quality to allow a descriptive summary of annual temporal patterns. Sen's median trend estimate and Kendall's seasonal tau (KST) test are calculated for each ion species concentration and deposition at each site in both subsets.
Report Numbers
E 1.99:pnl-8049
pnl-8049
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
03/01/1992.
"pnl-8049"
"DE92011509"
Simpson, J.C.; Olsen, A.R.; Bittner, E.A.
Funding Information
AC06-76RL01830
View MARC record | catkey: 14148070