NDLI: Estimating groundwater storage changes in the Heihe river basin using grace

Content Provider	IEEE Xplore Digital Library
Author	Yanping Cao Zhuotong Nan Xinglin Hu
Copyright Year	2012
Description	Author affiliation: Hydrology and Water Resources Bureau of Gansu Province, Lanzhou, 730000, China (Xinglin Hu) \|\| Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, China (Yanping Cao) \|\| State Key Laboratory of Frozen Soil Engineering, CAREERI/CAS, Lanzhou, 730000, China (Zhuotong Nan)
Abstract	As a typical inland river basin in the arid region of northwestern China, the Heihe river basin (HRB) can only provide limited available surface water resources, resulting in overexploitation of groundwater resources. In this paper, temporal and spatial variations of groundwater in HRB are derived from GRACE. This approach is successfully employed in HRB thus offering new insight into monitoring groundwater variations in a river basin with limited or even without any observed data. Our analysis indicates that groundwater storage in HRB reaches its highest peak in 2005 summer, and then begins shrink and no increase in 2008. Spatially, groundwater shows decline in upper HRB in first two years and slightly increase in following years, which is opposite to that in middle HRB where groundwater slightly increases in 2005 and then declines in following three years. In lower HRB, GRACE detects a continual increase in the total 6 study years.
Starting Page	798
Ending Page	801
File Size	552294
Page Count	4
File Format	PDF
ISBN	9781467311601
ISSN	21536996
e-ISBN	9781467311595
e-ISBN	9781467311588
DOI	10.1109/IGARSS.2012.6351441
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Water resources Rivers Monitoring Gravity Market research Spatial resolution Water conservation water resources Remote monitoring water storage hydrology
Content Type	Text
Resource Type	Article

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