Comparison of Groundwater Storage Changes From GRACE Satellites With Monitoring and Modeling of Major U.S. Aquifers

Details

• Journal Title:
  Water Resources Research
• Personal Author:
  Rateb, Ashraf ; Scanlon, Bridget R. ; Pool, Donald R. ; Sun, Alexander ; Zhang, Zizhan ; Chen, Jianli ; Clark, Brian ; Faunt, Claudia C. ; Haugh, Connor J. ; Hill, Mary ; Hobza, Christopher ; McGuire, Virginia L. ; Reitz, Meredith ; Müller Schmied, Hannes ; Sutanudjaja, Edwin H. ; Swenson, Sean ; Wiese, David ; Xia, Youlong ; Zell, Wesley
• NOAA Program & Office:
  NWS (National Weather Service) ; EMC (Environmental Modelling Center) ; NCEP (National Centers for Environmental Prediction)
• Description:
  GRACE satellite data are widely used to estimate groundwater storage (GWS) changes in aquifers globally; however, comparisons with GW monitoring and modeling data are limited. Herewe compared GWS changes from GRACE over 15 yr (2002 –2017) in 14 major U.S. aquifers with groundwater ‐level (GWL) monitoring data in ~23,000 wells and with regional and global hydrologic and land surface models. Results show declining GWS trends from GRACE data in the six southwesternand south ‐central U.S. aquifers, totaling −90 km 3over 15 yr, related to long ‐term (5 –15 yr) droughts, and exceeding Lake Mead volume by ~2.5×. GWS trends in most remaining aquifers were stable or slightly rising. GRACE ‐derived GWS changes agree with GWL monitoring data in most aquifers (correlation
• Keywords:
  Water Science and Technology
• Source:
  Water Resources Research, 56(12)
• DOI:
  https://doi.org/10.1029/2020wr027556
• ISSN:
  0043-1397 ; 1944-7973
• Format:
  PDF
• Publisher:
  American Geophysical Union (AGU)
• Document Type:
  Journal Article
• Rights Information:
  Other
• Compliance:
  Library
• Main Document Checksum:
  urn:sha256:d32e0cea1138b83396d7117347cf26c546ed7124347967a0a648b4a39518faaa
• Download URL:
  https://repository.library.noaa.gov/view/noaa/54453/noaa_54453_DS1.pdf
• File Type:
  [PDF - 4.70 MB ]