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001     5536
005     20180208223031.0
024 7 _ |2 DOI
|a 10.2136/vzj2008.0068
024 7 _ |2 WOS
|a WOS:000268871900023
037 _ _ |a PreJuSER-5536
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Environmental Sciences
084 _ _ |2 WoS
|a Soil Science
084 _ _ |2 WoS
|a Water Resources
100 1 _ |a Herbst, M.
|b 0
|u FZJ
|0 P:(DE-Juel1)129469
245 _ _ |a Characterization and Understanding of Bare Soil Respiration Spatial Variability at Plot Scale
260 _ _ |a Madison, Wis.
|b SSSA
|c 2009
300 _ _ |a 762 - 771
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Vadose Zone Journal
|x 1539-1663
|0 10301
|y 3
|v 8
500 _ _ |a This research was supported by the German Research Foundation DFG (Transregional Collaborative Research Centre 32-Patterns in Soil-Vegetation-Atmosphere Systems: Monitoring, modelling and data assimilation).
520 _ _ |a Soil respiration is known to be highly variable with time. Less is known, however, about the spatial variability of heterotrophic soil respiration at the plot scale. We simultaneously measured soil heterotrophic respiration, soil temperature, and soil water content at 48 locations with a nested sampling design and at 76 locations with a regular grid plus refinement within a 13- by 14-m bare soil plot for 15 measurement dates. Soil respiration was measured with a closed chamber covering a surface area of 0.032 m(2). A geostatistical data analyses indicated a mean range of 2.7 m for heterotrophic soil respiration. We detected rather high coefficients of variation of CO2 respiration between 0.13 and 0.80, with an average of 0.33. The number of observations required to estimate average respiration fluxes at a 5% error level ranged between 5 and 123. The analysis of the temporal persistence revealed that a subset of 17 sampling locations is sufficient to estimate average respiration fluxes at a tolerable root mean square error of 0.15 g C m(-2) d(-1). Statistical analysis revealed that the spatiotemporal variability of heterotrophic soil respiration could be explained by the state variables soil temperature and water content. The spatial variability of respiration was mainly driven by variability in soil water content; the variability in the soil water content was almost an order of magnitude higher than the variability in soil temperature.
536 _ _ |a Terrestrische Umwelt
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588 _ _ |a Dataset connected to Web of Science
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700 1 _ |a Prolingheuer, N.
|b 1
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700 1 _ |a Graf, A.
|b 2
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|0 P:(DE-Juel1)129461
700 1 _ |a Huisman, J. A.
|b 3
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|0 P:(DE-Juel1)129472
700 1 _ |a Weihermüller, L.
|b 4
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|0 P:(DE-Juel1)VDB17057
700 1 _ |a Vanderborght, J.
|b 5
|u FZJ
|0 P:(DE-Juel1)129548
773 _ _ |a 10.2136/vzj2008.0068
|g Vol. 8, p. 762 - 771
|p 762 - 771
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|0 PERI:(DE-600)2088189-7
|t Vadose zone journal
|v 8
|y 2009
|x 1539-1663
856 7 _ |u http://dx.doi.org/10.2136/vzj2008.0068
909 C O |o oai:juser.fz-juelich.de:5536
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|a JCR/ISI refereed
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|d 31.10.2010
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