% IMPORTANT: The following is UTF-8 encoded. This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.
@ARTICLE{Mertens:57155,
author = {Mertens, J. and Vanderborght, J. and Kasteel, R. and Pütz,
T. and Merckx, R. and Feyen, J. and Smolders, E.},
title = {{D}issolved organic fluxes under bare soil},
journal = {Journal of environmental quality},
volume = {36},
issn = {0047-2425},
address = {Madison, Wis.},
publisher = {ASA [u.a.]},
reportid = {PreJuSER-57155},
pages = {597 - 606},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {The flux of dissolved organic carbon (DOC) in soil
facilitates transport of nutrients and contaminants in soil.
There is little information on DOC fluxes and the
relationship between DOC concentration and water flux in
agricultural soils. The DOC fluxes and concentrations were
measured during 2.5 yr using 30 automatic equilibrium
tension plate lysimeters (AETPLs) at 0.4 m and 30 AETPLs at
1.20-m depth in a bare luvisol, previously used as an arable
soil. Average annual DOC fluxes of the 30 AETPLS were 4.9 g
C m(-2) y(-1) at 0.4 m and 2.4 g C m(-2) y(-1) at 1.2 m
depth. The average leachate DOC concentrations were 17 mg C
L(-1) (0.4 m) and 9 mg C L(-1) (1.2 m). The DOC
concentrations were unrelated to soil moisture content or
average temperature and rarely dropped below 9 mg C L(-1)
(0.4 m) and 5 mg C L(-1) (1.2 m). The variability in
cumulative DOC fluxes among the plates was positively
related to leachate volume and not to average DOC
concentrations at both depths. This suggests that water
fluxes are the main determinants of spatial variability in
DOC fluxes. However, the largest DOC concentrations were
inversely proportional to the mean water velocity between
succeeding sampling periods, suggesting that the maximal net
DOC mobilization rate in the topsoil is limited. Elevated
DOC concentrations, up to 90 mg C L(-1), were only observed
at low water velocities, reducing the risks of
DOC-facilitated transport of contaminants to groundwater.
The study emphasizes that water flux and velocity are
important parameters for DOC fluxes and concentrations.},
keywords = {Bromides / Carbon: analysis / Soil: analysis / Water
Movements / Bromides (NLM Chemicals) / Soil (NLM Chemicals)
/ Carbon (NLM Chemicals) / J (WoSType)},
cin = {ICG-4},
ddc = {333.7},
cid = {I:(DE-Juel1)VDB793},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Environmental Sciences},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:17332264},
UT = {WOS:000244979300028},
doi = {10.2134/jeq2006.0368},
url = {https://juser.fz-juelich.de/record/57155},
}