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ESTIMATING CRITICAL LOADS OF SULFATE TO SURFACE WATERS IN THE NORTHEASTERN UNITED STATES
Citation:
Shaffer, P., B. Rosenbaum, G. Holdren, Jr., T. Strickland, M. McDowell, P. Ringhold, R. Turner, P. Ryan, AND D. Bernard. ESTIMATING CRITICAL LOADS OF SULFATE TO SURFACE WATERS IN THE NORTHEASTERN UNITED STATES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-91/062.
Description:
It is important to note that no attempt to evaluate or identify any of the results presented here as right/wrong, or to rank the reliability of results was made. he objective, rather, has been to generate sets of critical load estimates using multiple models and data sets, and to compare the results. he results presented here represent a first step in the critical evaluation of models used to estimate critical loads and to cross-validate model-based estimates. he results have demonstrated substantial variability in critical loads estimated using different datasets and procedures. iven these results, it seems clear that extensive review, refinement, and verification of models and datasets will be required before any critical load estimates can be reliably used.