Arid
DOI10.1029/2021GL095909
Contribution of Recycled Moisture to Precipitation: A Modified D-Excess-Based Model
Zhang, Fen; Huang, Tianming; Man, Wenmin; Hu, Hongchang; Long, Yin; Li, Zhenbin; Pang, Zhonghe
通讯作者Huang, TM (corresponding author), Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing, Peoples R China. ; Huang, TM (corresponding author), Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China. ; Huang, TM (corresponding author), Univ Calgary, Dept Geosci, Calgary, AB, Canada.
来源期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2021
卷号48期号:21
英文摘要Defining moisture sources and evolution of precipitation is of significance for further exploration of complex hydro-climatic interactions, especially under global warming with alternations of evapotranspiration capacity and precipitation moisture source structure. As a sensitive indicator, d-excess has been widely used to quantify the proportion of recycled vapor to precipitation (f(re)). However, existing d-excess-based models ignore to take transpiration vapor into account and the calculated f(re) tends to be lower than the true value, thus underestimating the importance of recycled vapor in precipitation. Herein, the existing model was modified with transpiration vapor considered and applied in Guyuan, China located in a monsoon marginal zone with complex precipitation moisture sources. After modification, the estimated annual average f(re) was increased from 7.5% to 14.8%, well calibrating the existing model. This study highlights the contribution of transpiration vapor to precipitation and provides more information on the formation and evolution of precipitation to better serve future hydro-climatic research. Plain Language Summary In the context of global warming, remarkable changes have occurred in the evapotranspiration capacity and precipitation, which inevitably caused a series of alternations to the hydrological and atmospheric cycles. Defining the moisture sources of precipitation and its evolution in the atmosphere is of great significance for further exploration of complex interactions between hydrology and climate change. Recently, increasing studies have emphasized the importance of recycled vapor derived from local evapotranspiration to precipitation. As a sensitive indicator, d-excess has been widely used to quantify the proportion of recycled vapor in precipitation (or called the recycling ratio). However, existing d-excess-based models for determining the recycling ratio ignore to take the transpiration vapor into account, and the calculated ratio tends to be lower than the true value, thus underestimating the important role of recycled vapor in precipitation. In this study, the existing model was modified by considering the contribution of transpiration vapor and applied well in Guyuan, China located in a monsoon marginal zone with complex precipitation moisture sources. This study highlights the importance of the transpiration vapor contribution to local precipitation and provides more information on the formation and evolution of precipitation to better serve future hydro-climatic research.
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000716768700055
WOS关键词STABLE-ISOTOPE COMPOSITION ; ARID CENTRAL-ASIA ; DEUTERIUM EXCESS ; AMAZON BASIN ; RIVER-BASIN ; LAND-USE ; WATER ; EVAPORATION ; SURFACE ; FRACTIONATION
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/373859
作者单位[Zhang, Fen; Huang, Tianming; Long, Yin; Li, Zhenbin; Pang, Zhonghe] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing, Peoples R China; [Zhang, Fen; Huang, Tianming; Long, Yin; Li, Zhenbin; Pang, Zhonghe] Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China; [Huang, Tianming] Univ Calgary, Dept Geosci, Calgary, AB, Canada; [Man, Wenmin] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China; [Hu, Hongchang] Tsinghua Univ, Dept Hydraul Engn, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Fen,Huang, Tianming,Man, Wenmin,et al. Contribution of Recycled Moisture to Precipitation: A Modified D-Excess-Based Model[J],2021,48(21).
APA Zhang, Fen.,Huang, Tianming.,Man, Wenmin.,Hu, Hongchang.,Long, Yin.,...&Pang, Zhonghe.(2021).Contribution of Recycled Moisture to Precipitation: A Modified D-Excess-Based Model.GEOPHYSICAL RESEARCH LETTERS,48(21).
MLA Zhang, Fen,et al."Contribution of Recycled Moisture to Precipitation: A Modified D-Excess-Based Model".GEOPHYSICAL RESEARCH LETTERS 48.21(2021).
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