Record Display for the EPA National Library Catalog
RECORD NUMBER: 2152 OF 3408Main Title | Regional Patterns and Local Variability of Dry and Occult Deposition Strongly Influence Sulfate Concentrations in Maine Lakes. | |||||||||||
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Author | Norton, S. A. ; Kahl, J. S. ; Brakke, D. F. ; Brewer, G. F. ; Haines, T. A. ; | |||||||||||
CORP Author | Corvallis Environmental Research Lab., OR. ;Maine Univ. at Orono. ;Western Washington Univ., Bellingham. Inst. for Watershed Studies. | |||||||||||
Publisher | c1988 | |||||||||||
Year Published | 1988 | |||||||||||
Report Number | EPA/600/J-92/013; | |||||||||||
Stock Number | PB92-136951 | |||||||||||
Additional Subjects | Air water interactions ; Water pollution ; Surface waters ; Deposition ; Maine ; Acidification ; Air pollution ; Lakes ; Streams ; Wet methods ; Hydrology ; Sediments ; Dry methods ; Evapotranspiration ; Sulfur oxides ; Sulfates ; Regional analysis ; Acid rain ; Reprints ; | |||||||||||
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Collation | 9p | |||||||||||
Abstract | There is great uncertainty and large cost in making dry deposition measurements. The authors present evidence based on wet deposition, evapotranspiration, S storage in lake sediments, and sulfate concentrations in lakes and streams in Maine that the dry deposition flux of sulfur to drainage basins of lakes in Maine ranges from nearly 0% to more than 100% of wet deposition, even in small areas. The regional pattern of sulfate concentrations in Maine lakes is due to gradients in both wet and dry deposition and variation in evapotranspiration. Patterns are modified locally by lakes hydrologic type, elevation, vegetation, and terrestrial drainage basin aspect. (Copyright (c) 1988 Elsevier Science Publishers B.V.) |