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Spatial and temporal variations in global soil respiration and their relationships with climate and land cover.
Huang, Ni; Wang, Li; Song, Xiao-Peng; Black, T Andrew; Jassal, Rachhpal S; Myneni, Ranga B; Wu, Chaoyang; Wang, Lei; Song, Wanjuan; Ji, Dabin; Yu, Shanshan; Niu, Zheng.
Afiliação
  • Huang N; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
  • Wang L; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China. wangli@radi.ac.cn.
  • Song XP; Department of Geosciences, Texas Tech University, Lubbock, TX, USA.
  • Black TA; Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada.
  • Jassal RS; Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada.
  • Myneni RB; Department of Earth and Environment, Boston University, Boston, MA, USA.
  • Wu C; The Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China.
  • Wang L; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
  • Song W; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
  • Ji D; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
  • Yu S; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
  • Niu Z; State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China.
Sci Adv ; 6(41)2020 10.
Article em En | MEDLINE | ID: mdl-33028522
ABSTRACT
Soil respiration (R s) represents the largest flux of CO2 from terrestrial ecosystems to the atmosphere, but its spatial and temporal changes as well as the driving forces are not well understood. We derived a product of annual global R s from 2000 to 2014 at 1 km by 1 km spatial resolution using remote sensing data and biome-specific statistical models. Different from the existing view that climate change dominated changes in R s, we showed that land-cover change played a more important role in regulating R s changes in temperate and boreal regions during 2000-2014. Significant changes in R s occurred more frequently in areas with significant changes in short vegetation cover (i.e., all vegetation shorter than 5 m in height) than in areas with significant climate change. These results contribute to our understanding of global R s patterns and highlight the importance of land-cover change in driving global and regional R s changes.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article