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The production and degradation of trichloroacetic acid in soil: Results from in situ soil column experiments
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SYSNO ASEP 0347999 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The production and degradation of trichloroacetic acid in soil: Results from in situ soil column experiments Author(s) Heal, M. R. (GB)
Dickey, C. A. (GB)
Heal, K.V. (GB)
Stidson, R.T. (GB)
Matucha, Miroslav (UEB-Q)
Cape, J. N. (GB)Source Title Chemosphere. - : Elsevier - ISSN 0045-6535
Roč. 79, č. 4 (2010), s. 401-407Number of pages 7 s. Language eng - English Country GB - United Kingdom Keywords Trichloroacetic acid ; TCA ; Soil lysimeter Subject RIV DK - Soil Contamination ; De-contamination incl. Pesticides CEZ AV0Z50380511 - UEB-Q (2005-2011) UT WOS 000277110600008 DOI 10.1016/j.chemosphere.2010.02.003 Annotation The soil is important to understanding biogeochemical fluxes of trichloroacetic acid (TCA) in the rural environment, in forests in particular. Here, TCA fluxes through 22 in situ soil columns in a forest and moorland catchment and an agricultural grassland field were monitored every 2 weeks for several months either as controls or in TCA artificial dosing experiments (supplemented by laboratory experiments with radioactively-labelled TCA and with sterilized soil columns). The laboratory experiments showed that both the formation and degradation processes operate on time scales of up to a few days and appeared related more with biological rather than abiotic processes. Soil TCA activity was greater in more organic-rich forest soils, and there was strong correlation between TCA and soil biomass carbon content. Overall it appears that TCA soil processes exemplify the substantial natural biogeochemical cycling of chlorine within soils, independent of any anthropogenic chlorine flux. Workplace Institute of Experimental Botany Contact David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Year of Publishing 2011
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