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Unraveling the discrepancies between Eulerian and Lagrangian moisture tracking models in monsoon- and westerly-dominated basins of the Tibetan Plateau

文献类型：期刊论文

作者Li, Ying4,5,7; Wang, Chenghao3,6; Tang, Qiuhong2; Yao, Shibo1; Sun, Bo8,9; Peng, Hui4; Xiao, Shangbin4,5,7
刊名ATMOSPHERIC CHEMISTRY AND PHYSICS
出版日期2024-09-25
卷号24期号:18页码:10741-10758
ISSN号1680-7316
DOI10.5194/acp-24-10741-2024
产权排序6
英文摘要Eulerian and Lagrangian numerical moisture tracking models, which are primarily used to quantify moisture contributions from global sources to specific regions, play a crucial role in hydrology and (paleo)climatology studies on the Tibetan Plateau (TP). Despite their widespread applications in the TP region, potential discrepancies in their moisture tracking results and their underlying causes remain unexplored. In this study, we compare the most widely used Eulerian and Lagrangian moisture tracking models over the TP, i.e., WAM2layers (the Water Accounting Model - 2 layers) and FLEXPART-WaterSip (the FLEXible PARTicle dispersion model coupled with the "WaterSip" moisture source diagnostic method), specifically focusing on a basin governed by the Indian summer monsoon (Yarlung Zangbo River basin, YB) and a westerly-dominated basin (upper Tarim River basin, UTB). Compared to the bias-corrected FLEXPART-WaterSip, WAM2layers generally estimates higher moisture contributions from westerly-dominated and distant sources but lower contributions from local recycling and nearby sources downwind of the westerlies. These differences become smaller with higher spatial and temporal resolutions of forcing data in WAM2layers. A notable advantage of WAM2layers over FLEXPART-WaterSip is its closer alignment of estimated moisture sources with actual evaporation, particularly in source regions with complex land-sea distributions. However, the evaporation biases in FLEXPART-WaterSip can be partly corrected through calibration with actual surface fluxes. For moisture tracking over the TP, we recommend using high-resolution forcing datasets, prioritizing temporal resolution over spatial resolution for WAM2layers, while for FLEXPART-WaterSip, we suggest applying bias corrections to optimize the filtering of precipitation particles and adjust evaporation estimates.
WOS关键词ATMOSPHERIC MOISTURE ; CLIMATE CHANGES ; PRECIPITATION ; VARIABILITY ; EVENTS ; CYCLE ; LAND
资助项目National Natural Science Foundation of China
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:001319499400001
出版者COPERNICUS GESELLSCHAFT MBH
资助机构National Natural Science Foundation of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/210159]  
专题陆地水循环及地表过程院重点实验室_外文论文
通讯作者Li, Ying; Xiao, Shangbin
作者单位1.Natl Climate Ctr, China Meteorol Adm Key Lab Climate Predict Studies, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
3.Univ Oklahoma, Dept Geog & Environm Sustainabil, Norman, OK USA
4.China Three Gorges Univ, Coll Hydraul Environm Engn, Yichang, Peoples R China
5.Engn Res Ctr Ecoenvironm Three Gorges Reservoir Re, Yichang, Peoples R China
6.Univ Oklahoma, Sch Meteorol, Norman, OK USA
7.China Three Gorges Univ, Three Gorges Reservoir Ecosyst Field Sci Observat, Yichang, Peoples R China
8.Nanjing Univ Informat Sci & Technol, Joint Int Res Lab Climate & Environm Change, Minist Educ, Nanjing, Peoples R China
9.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteorol, Key Lab Meteorol Disasters, Nanjing, Peoples R China
推荐引用方式
GB/T 7714		 Li, Ying,Wang, Chenghao,Tang, Qiuhong,et al. Unraveling the discrepancies between Eulerian and Lagrangian moisture tracking models in monsoon- and westerly-dominated basins of the Tibetan Plateau[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2024,24(18):10741-10758.
APA Li, Ying.,Wang, Chenghao.,Tang, Qiuhong.,Yao, Shibo.,Sun, Bo.,...&Xiao, Shangbin.(2024).Unraveling the discrepancies between Eulerian and Lagrangian moisture tracking models in monsoon- and westerly-dominated basins of the Tibetan Plateau.ATMOSPHERIC CHEMISTRY AND PHYSICS,24(18),10741-10758.
MLA Li, Ying,et al."Unraveling the discrepancies between Eulerian and Lagrangian moisture tracking models in monsoon- and westerly-dominated basins of the Tibetan Plateau".ATMOSPHERIC CHEMISTRY AND PHYSICS 24.18(2024):10741-10758.

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来源：地理科学与资源研究所

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