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REGIONAL PATTERNS AND LOCAL VARIABILITY OF DRY AND OCCULT DEPOSITION STRONGLY INFLUENCE SULFATE CONCENTRATIONS IN MAINE LAKES
Citation:
Norton, S., J. Kahl, D. Brakke, G. Brewe, T. Haines, AND S. Nodvin. REGIONAL PATTERNS AND LOCAL VARIABILITY OF DRY AND OCCULT DEPOSITION STRONGLY INFLUENCE SULFATE CONCENTRATIONS IN MAINE LAKES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-92/013 (NTIS PB92136951), 1988.
Description:
There is great uncertainty and large cost in making dry deposition measurements. e present evidence based on wet deposition, evapotranspiration, S storage in lake sediments, and sulfate concentrations in lakes and streams in Nllaine that the dry deposition flux of sulfur to drainage basins of lakes in Nlaine ranges from nearly 0% to more than 100% of wet deposition, even in small areas. he regional pattern of sulfate concentrations in Nlaine lakes is due to Igradients in both wet and dry deposition and variation in evapotranspiration. atterns are modified locally by lakes hydrologic type, elevation, vegetation, and terrestrial drainage basin aspect.