globalchange  > 气候减缓与适应
DOI: 10.1002/2017JD027260
Scopus记录号: 2-s2.0-85041689293
论文题名:
The Climatological Impacts of Continental Surface Evaporation, Rainout, and Subcloud Processes on δD of Water Vapor and Precipitation in Europe
作者: Christner E.; Aemisegger F.; Pfahl S.; Werner M.; Cauquoin A.; Schneider M.; Hase F.; Barthlott S.; Schädler G.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期:8
起始页码: 4390
结束页码: 4409
语种: 英语
英文关键词: COSMOiso ; Europe ; footprint ; stable isotopes ; δD
Scopus关键词: climate effect ; climate modeling ; COSMOS ; ecological footprint ; evaporation ; isotopic composition ; isotopic fractionation ; model validation ; paleotemperature ; precipitation assessment ; rainfall ; reconstruction ; stable isotope ; water vapor ; Europe
英文摘要: All types of applications of stable water isotopes, for example, for the reconstruction of paleotemperatures or for climate model validation, rely on a proper understanding of the mechanisms determining the isotopic composition of water vapor and precipitation. In this study, we use the isotope-enabled limited-area model COSMOiso to characterize the impacts of continental evapotranspiration, rainout, and subcloud processes on δD of European water vapor and precipitation. To this end, we first confirm a reliable implementation of the most important isotope fractionation processes in COSMOiso by comparing 5 years of modeled δD values with multiplatform δD observations from Europe (remote sensing observations of the δD of water vapor around 2.6 km above ground level, in situ δD measurements in near-surface water vapor, and δD precipitation data from the Global Network of Isotopes in Precipitation). Based on six 15 year sensitivity simulations, we then quantify the climatological impacts of the different fractionation processes on the δD values. We find δD of European water vapor and precipitation to be most strongly controlled by rainout. Superimposed to this are the effect of subcloud processes, which especially affects δD in precipitation under warm conditions, and the effect of continental evapotranspiration, which exerts an important control over the δD of near-surface water vapor. In future studies, the validated COSMOiso model can be employed in a similar way for a comprehensive interpretation of European isotope records from climatologically different time periods. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114046
Appears in Collections:气候减缓与适应

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作者单位: Institute of Meteorology and Climate Research-Department Troposphere Research (IMK-TRO), Karlsruhe Institute of Technology, Karlsruhe, Germany; Centre for Environmental and Climate Research, Lund University, Lund, Sweden; Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Division, Climate Science-Paleoclimate Dynamics, Bremerhaven, Germany; Institute of Meteorology and Climate Research-Department Atmospheric Trace Gases and Remote Sensing (IMK-ASF), Karlsruhe Institute of Technology, Karlsruhe, Germany

Recommended Citation:
Christner E.,Aemisegger F.,Pfahl S.,et al. The Climatological Impacts of Continental Surface Evaporation, Rainout, and Subcloud Processes on δD of Water Vapor and Precipitation in Europe[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(8)
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