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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15079
|2 doi
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|a pubmed24n1024.xml
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|a (DE-627)NLM307506282
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|a (NLM)32162439
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Liu, Jinxun
|e verfasserin
|4 aut
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|a Critical land change information enhances the understanding of carbon balance in the United States
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 26.11.2020
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|a Date Revised 26.11.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 John Wiley & Sons Ltd.
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|a Large-scale terrestrial carbon (C) estimating studies using methods such as atmospheric inversion, biogeochemical modeling, and field inventories have produced different results. The goal of this study was to integrate fine-scale processes including land use and land cover change into a large-scale ecosystem framework. We analyzed the terrestrial C budget of the conterminous United States from 1971 to 2015 at 1-km resolution using an enhanced dynamic global vegetation model and comprehensive land cover change data. Effects of atmospheric CO2 fertilization, nitrogen deposition, climate, wildland fire, harvest, and land use/land cover change (LUCC) were considered. We estimate annual C losses from cropland harvest, forest clearcut and thinning, fire, and LUCC were 436.8, 117.9, 10.5, and 10.4 TgC/year, respectively. C stored in ecosystems increased from 119,494 to 127,157 TgC between 1971 and 2015, indicating a mean annual net C sink of 170.3 TgC/year. Although ecosystem net primary production increased by approximately 12.3 TgC/year, most of it was offset by increased C loss from harvest and natural disturbance and increased ecosystem respiration related to forest aging. As a result, the strength of the overall ecosystem C sink did not increase over time. Our modeled results indicate the conterminous US C sink was about 30% smaller than previous modeling studies, but converged more closely with inventory data
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|a Journal Article
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|a DGVM
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|a carbon sequestration
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|a ecosystem model
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|a ecosystem productivity
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|a land use and land cover change
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|a wildfire
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Sleeter, Benjamin M
|e verfasserin
|4 aut
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|a Zhu, Zhiliang
|e verfasserin
|4 aut
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|a Loveland, Thomas R
|e verfasserin
|4 aut
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|a Sohl, Terry
|e verfasserin
|4 aut
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|a Howard, Stephen M
|e verfasserin
|4 aut
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|a Key, Carl H
|e verfasserin
|4 aut
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|a Hawbaker, Todd
|e verfasserin
|4 aut
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|a Liu, Shuguang
|e verfasserin
|4 aut
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|a Reed, Bradley
|e verfasserin
|4 aut
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|a Cochrane, Mark A
|e verfasserin
|4 aut
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|a Heath, Linda S
|e verfasserin
|4 aut
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|a Jiang, Hong
|e verfasserin
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|a Price, David T
|e verfasserin
|4 aut
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|a Chen, Jing M
|e verfasserin
|4 aut
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|a Zhou, Decheng
|e verfasserin
|4 aut
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|a Bliss, Norman B
|e verfasserin
|4 aut
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|a Wilson, Tamara
|e verfasserin
|4 aut
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|a Sherba, Jason
|e verfasserin
|4 aut
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|a Zhu, Qiuan
|e verfasserin
|4 aut
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|a Luo, Yiqi
|e verfasserin
|4 aut
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|a Poulter, Benjamin
|e verfasserin
|4 aut
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|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 7 vom: 26. Juli, Seite 3920-3929
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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|g volume:26
|g year:2020
|g number:7
|g day:26
|g month:07
|g pages:3920-3929
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|u http://dx.doi.org/10.1111/gcb.15079
|3 Volltext
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