Proceedings of the National Academy of Sciences of the United States of America · 1997
Transport and fate of trifluoroacetate in upland forest and wetland ecosystems.
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Likens G E, Tartowski S L, Berger T W, Richey D G, Driscoll C T, Frank H G, Klein A
Аннотация
Although trifluoroacetate (TFA), a breakdown product of chlorofluorocarbon replacements, is being dispersed widely within the biosphere, its ecological fate is largely unknown. TFA was added experimentally to an upland, northern hardwood forest and to a small forest wetland ecosystem within the Hubbard Brook Experimental Forest in New Hampshire. Inputs of TFA were not transported conservatively through these ecosystems; instead, significant amounts of TFA were retained within the vegetation and soil compartments. More TFA was retained by the wetland ecosystem than by the upland forest ecosystem. Using simulation modeling, TFA concentrations were predicted for soil and drainage water until the year 2040.