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Investigating water budget dynamics in 18 river basins across the Tibetan Plateau through multiple datasets
Liu, WB (Liu, Wenbin)1; Sun, FB (Sun, Fubao)1,2,8,9; Li, YZ (Li, Yanzhong)3; Zhang, GQ (Zhang, Guoqing)4,5; Sang, YF (Sang, Yan-Fang)1; Lim, WH (Lim, Wee Ho)1,6; Liu, JH (Liu, Jiahong)7; Wang, H (Wang, Hong)1; Bai, P (Bai, Peng)1
Source PublicationHYDROLOGY AND EARTH SYSTEM SCIENCES
2018-01-16
Volume22Issue:1Pages:351-371
DOI10.5194/hess-22-351-2018
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.
WOS IDWOS:000422816600001
Language英语
Indexed BySCIE
KeywordCLIMATE-CHANGE NAM CO EVAPOTRANSPIRATION CHINA EVAPORATION VARIABILITY MOISTURE TREND SCALE LAKE
WOS Research AreaGeology ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Water Resources
Cooperation Status国际
ISSN1027-5606
Department环境变化与地表过程重点实验室
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8757
Collection图书馆
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, WB ,Sun, FB ,Li, YZ ,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, WB .,Sun, FB .,Li, YZ .,Zhang, GQ .,Sang, YF .,...&Bai, P .(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, WB ,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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