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Investigating water budget dynamics in 18 river basins across the Tibetan Plateau through multiple datasets
Liu, Wenbin1; Sun, Fubao1,2,8,9; Li, Yanzhong3; Zhang, Guoqing4,5; Sang, Yan-Fang1; Lim, Wee Ho1,6; Liu, Jiahong7; Wang, Hong1; Bai, Peng1
2018-01-16
Source PublicationHYDROLOGY AND EARTH SYSTEM SCIENCES
ISSN1027-5606
Volume22Issue:1Pages:351-371
Corresponding AuthorSun, Fubao(sunfb@igsnrr.ac.cn)
AbstractThe dynamics of basin-scale water budgets over the Tibetan Plateau (TP) are not well understood nowadays due to the lack of in situ hydro-climatic observations. In this study, we investigate the seasonal cycles and trends of water budget components (e.g. precipitation P, evapotranspiration ET and runoff Q) in 18 TP river basins during the period 1982-2011 through the use of multi-source datasets (e.g. in situ observations, satellite retrievals, reanalysis outputs and land surface model simulations). A water balance-based two-step procedure, which considers the changes in basin-scale water storage on the annual scale, is also adopted to calculate actual ET. The results indicated that precipitation (mainly snowfall from mid-autumn to next spring), which are mainly concentrated during June-October (varied among different monsoons-impacted basins), was the major contributor to the runoff in TP basins. The P, ET and Q were found to marginally increase in most TP basins during the past 30 years except for the upper Yellow River basin and some sub-basins of Yalong River, which were mainly affected by the weakening east Asian monsoon. Moreover, the aridity index (PET/P) and runoff coefficient (Q/P) decreased slightly in most basins, which were in agreement with the warming and moistening climate in the Tibetan Plateau. The results obtained demonstrated the usefulness of integrating multi-source datasets to hydrological applications in the data-sparse regions. More generally, such an approach might offer helpful insights into understanding the water and energy budgets and sustainability of water resource management practices of data-sparse regions in a changing environment.
DOI10.5194/hess-22-351-2018
WOS KeywordCLIMATE-CHANGE ; NAM CO ; EVAPOTRANSPIRATION ; CHINA ; EVAPORATION ; VARIABILITY ; MOISTURE ; TREND ; SCALE ; LAKE
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFC0401401] ; National Key Research and Development Program of China[2016YFA0602402] ; National Natural Science Foundation of China[41401037] ; National Natural Science Foundation of China[41601035] ; National Natural Science Foundation of China[91647110] ; National Natural Science Foundation of China[41701019] ; National Natural Science Foundation of China[41330529] ; Open Research Fund of State Key Laboratory of Desert and Oasis Ecology in Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences (CAS) ; Key Research Program of the CAS[ZDRW-ZS-2017-3-1] ; CAS Pioneer Hundred Talents Program ; CAS President's International Fellowship Initiative[2017PC0068] ; program for the Bingwei Excellent Talents from the Institute of Geographic Sciences and Natural Resources Research, CAS
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Open Research Fund of State Key Laboratory of Desert and Oasis Ecology in Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences (CAS) ; Key Research Program of the CAS ; CAS Pioneer Hundred Talents Program ; CAS President's International Fellowship Initiative ; program for the Bingwei Excellent Talents from the Institute of Geographic Sciences and Natural Resources Research, CAS
WOS Research AreaGeology ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000422816600001
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56905
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSun, Fubao
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Hexi Univ, Ecol Inst Qilian Mt, Zhangye 734000, Peoples R China
3.Nanjing Univ Informat Sci & Technol, Coll Hydrometeorol, Nanjing 210044, Jiangsu, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
5.CAS Ctr Excellent Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
6.Univ Oxford, Oxford Univ Ctr Environm, Environm Change Inst, Sch Geog & Environm, Oxford OX1 3QY, England
7.China Inst Water Resources & Hydropower Res, Key Lab Simulat & Regulat Water Cycle River Basin, Beijing 100038, Peoples R China
8.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
9.Chinese Acad Sci, Ctr Water Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Liu, Wenbin,Sun, Fubao,Li, Yanzhong,et al. Investigating water budget dynamics in 18 river basins across the Tibetan Plateau through multiple datasets[J]. HYDROLOGY AND EARTH SYSTEM SCIENCES,2018,22(1):351-371.
APA Liu, Wenbin.,Sun, Fubao.,Li, Yanzhong.,Zhang, Guoqing.,Sang, Yan-Fang.,...&Bai, Peng.(2018).Investigating water budget dynamics in 18 river basins across the Tibetan Plateau through multiple datasets.HYDROLOGY AND EARTH SYSTEM SCIENCES,22(1),351-371.
MLA Liu, Wenbin,et al."Investigating water budget dynamics in 18 river basins across the Tibetan Plateau through multiple datasets".HYDROLOGY AND EARTH SYSTEM SCIENCES 22.1(2018):351-371.
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