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DOI	10.1029/2021JD035168
	The Roles of Catchment Characteristics in Precipitation Partitioning Within the Budyko Framework
	Liu, Jianyu; You, Yuanyuan
通讯作者	Liu, JY (corresponding author), China Univ Geosci, Sch Geog & Informat Engn, Lab Crit Zone Evolut, Wuhan, Peoples R China. ; Liu, JY (corresponding author), Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Peoples R China.
来源期刊	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN	2169-897X
EISSN	2169-8996
出版年	2021
卷号	126 期号:16
英文摘要	In the Budyko framework, the landscape parameter (n in the Choudhury-Yang equation) controls precipitation (P) partitioning to evapotranspiration (ET) and runoff (R). Systematically investigating the underlying influence of catchment characteristics on n is critical for understanding the partitioning of P. Using two runoff datasets with more than 30,000 stations around the world, we found that the variability in n was significantly correlated with a series of catchment characteristics, but varied across climate zones. Hence, several empirical models based on catchment characteristics were developed to estimate n for different climate zones. The developed empirical models applied to Budyko framework explained 92% of the spatial variability in the global mean R and provided more reasonable ET than that from Global Land Evaporation Amsterdam Model (GLEAM) in terms of long-term water and energy balances. Empirical models were further applied to predict and attribute future R under the high-end Shared Socioeconomic Pathways (SSP5-8.5). The changes in P, potential evaporation (PET), and n are projected to alter global R by 61.5%, -24.0%, and 14.5% during 2081-2100. Notably, compare with the historical period, the influence of n was reversed in arid zones under the future scenario, where n leads to a significant decrease in R. The developed empirical models n enhances the applicability and capability of the Budyko framework for both historical and future hydrological assessments over the globe.
英文关键词	landscape parameter Budyko framework catchment characteristics precipitation partitioning runoff changes
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000688706400014
WOS关键词	SURFACE-WATER BALANCE ; VEGETATION ; CLIMATE ; RUNOFF ; VARIABILITY ; RIVER ; EVAPORATION ; EQUATION ; IMPACT
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363889
作者单位	[Liu, Jianyu; You, Yuanyuan] China Univ Geosci, Sch Geog & Informat Engn, Lab Crit Zone Evolut, Wuhan, Peoples R China; [Liu, Jianyu] Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Peoples R China
推荐引用方式 GB/T 7714	Liu, Jianyu,You, Yuanyuan. The Roles of Catchment Characteristics in Precipitation Partitioning Within the Budyko Framework[J],2021,126(16).
APA	Liu, Jianyu,&You, Yuanyuan.(2021).The Roles of Catchment Characteristics in Precipitation Partitioning Within the Budyko Framework.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,126(16).
MLA	Liu, Jianyu,et al."The Roles of Catchment Characteristics in Precipitation Partitioning Within the Budyko Framework".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 126.16(2021).