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Reconstruction of terrestrial water storage anomalies in Northwest China during 1948-2002 using GRACE and GLDAS products
Yang, Peng1,2; Xia, Jun1,3; Zhan, Chesheng1; Wang, Tiejun4
2018-10-01
Source PublicationHYDROLOGY RESEARCH
ISSN0029-1277
Volume49Issue:5Pages:1594-1607
Corresponding AuthorXia, Jun(xiaj@igsnrr.ac.cn)
AbstractCommencement of the Gravity Recovery and Climate Experiment (GRACE) provides an alternative way to monitor changes in terrestrial water storage (TWS) at large scales. However, GRACE dataset spans from 2002 to present, which greatly limits the application of GRACE data for long-term hydrological studies. Thus, the general linear model (GLM), random forest (RF), support vector machines (SVM), and artificial neural networks (ANN) methods were used to reconstruct the time series of terrestrial water storage anomalies (TWSA, i.e., remove the average value from the time series) in Northwest China (NWC) during 1948-2002 based on the GRACE TWSA during 2003-2015 and hydrological data from the Global Land Data Assimilation System (GLDAS) during 1948-2010. The results showed that soil moisture (SM) anomalies, or the combination of SM, canopy water (CW), and snow water equivalent (SWE) anomalies were better than the other anomalies of GLDAS in NWC. RF method can be regarded as the optimal method to reconstruct TWSA in NWC in the four models. A negative relationship was found between the reconstructed TWSAs and El Nino-Southern Oscillation (ENSO). The method could also offer an approach to reconstruct TWSA and drought events in large river basins during the past several decades.
KeywordGRACE Northwest China reconstruction SST terrestrial water storage anomalies
DOI10.2166/nh.2018.074
WOS KeywordGROUNDWATER DEPLETION ; CLIMATE EXPERIMENT ; GRAVITY RECOVERY ; PRECIPITATION EXTREMES ; AMAZON BASIN ; RIVER-BASIN ; ARID REGION ; LAND ; TEMPERATURE ; ASSIMILATION
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China (973 Program)[2012CB956204] ; National Natural Science Foundation of China[NSFC: 41571019]
Funding OrganizationNational Basic Research Program of China (973 Program) ; National Natural Science Foundation of China
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000452412700018
PublisherIWA PUBLISHING
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51322
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXia, Jun
Affiliation1.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430000, Hubei, Peoples R China
4.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Yang, Peng,Xia, Jun,Zhan, Chesheng,et al. Reconstruction of terrestrial water storage anomalies in Northwest China during 1948-2002 using GRACE and GLDAS products[J]. HYDROLOGY RESEARCH,2018,49(5):1594-1607.
APA Yang, Peng,Xia, Jun,Zhan, Chesheng,&Wang, Tiejun.(2018).Reconstruction of terrestrial water storage anomalies in Northwest China during 1948-2002 using GRACE and GLDAS products.HYDROLOGY RESEARCH,49(5),1594-1607.
MLA Yang, Peng,et al."Reconstruction of terrestrial water storage anomalies in Northwest China during 1948-2002 using GRACE and GLDAS products".HYDROLOGY RESEARCH 49.5(2018):1594-1607.
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