globalchange  > 全球变化的国际研究计划
DOI: 10.1002/joc.5844
Scopus记录号: 2-s2.0-85053049625
论文题名:
Potential surface hydrologic responses to increases in greenhouse gas concentrations and land use and land cover changes
作者: Hu Z.; Xu Z.; Ma Z.; Mahmood R.; Yang Z.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2019
卷: 39, 期:2
起始页码: 814
结束页码: 827
语种: 英语
英文关键词: anthropogenic forcing ; climate modelling ; hydrologic responses
Scopus关键词: Arid regions ; Climate models ; Evapotranspiration ; Greenhouse gases ; Vegetation ; Anthropogenic forcing ; Earth system model ; Greenhouse gas (GHG) ; Hydrologic response ; Hydrological cycles ; Land use and land cover change ; Numerical experiments ; Potential surfaces ; Land use ; climate change ; climate modeling ; concentration (composition) ; evapotranspiration ; greenhouse gas ; human activity ; hydrological response ; land cover ; land use change ; precipitation (climatology) ; runoff ; Asia ; Europe ; North America
英文摘要: To investigate the impacts of increased greenhouse gas (GHG) concentrations and land use and land cover change (LULCC) on various components of hydrologic cycle, three sets of numerical experiments were performed using the fully coupled Community Earth System Model (CESM). In the first set of experiments, GHG concentrations were set to preindustrial (1850) levels, but the land was set with potential and current vegetation cover. In the second set of experiments, GHG concentrations levels were set to present day (2000) and land covers were, again set to potential and current vegetation. The third set of experiments was same as the second one, except using a different version of CESM, to examine the reliability of LULCC-induced climate effects. In the model, the increased GHG concentrations led to statistically significant increases in precipitation and evapotranspiration at mid- and high latitudes during both warm (May–September) and cold (November–March) seasons. LULCC caused the weakening hydrological cycle in eastern Asia, southern Asia, Europe, and the semi-arid region of North America. During both seasons, LULCC plays relatively a more important role than increased GHG concentrations in changing evapotranspiration in southern Asia and Europe. In contrast, increased GHG concentrations play a dominant role in determining changes in evapotranspiration in the semi-arid region of eastern Asia during the cold season, as well as changes in precipitation, evapotranspiration, and runoff at high latitudes during both seasons. In some regions, LULCC-induced changes can compensate or equal to GHG-induced changes in hydrological cycle, especially in evapotranspiration. © 2018 Royal Meteorological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/116580
Appears in Collections:全球变化的国际研究计划

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作者单位: Key Laboratory of Regional Climate-Environment for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Chongqing Climate Center, Chongqing, China; University of Chinese Academy of Sciences, Beijing, China; High Plains Regional Climate Center, School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, United States; Department of Geological Sciences, The Jackson School of Geosciences, The University of Texas at Austin, Austin, TX, United States

Recommended Citation:
Hu Z.,Xu Z.,Ma Z.,et al. Potential surface hydrologic responses to increases in greenhouse gas concentrations and land use and land cover changes[J]. International Journal of Climatology,2019-01-01,39(2)
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