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Global Groundwater Drought Assessment Revisited: A Holistic Re-Evaluation of the GRACE-Groundwater Drought Index Across Major Aquifers

Lookup NU author(s): Dr Mohamed Akl, Dr Brian Thomas, Professor Peter ClarkeORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Publication metadata

Author(s): Akl M, Thomas BF, Clarke PJ

Publication type: Article

Publication status: Published

Journal: Water Resources Research

Year: 2025

Volume: 61

Issue: 12

Online publication date: 06/12/2025

Acceptance date: 30/11/2025

Date deposited: 22/12/2025

ISSN (print): 0043-1397

ISSN (electronic): 1944-7973

Publisher: John Wiley and Sons Inc.

URL: https://doi.org/10.1029/2025WR040389

DOI: 10.1029/2025WR040389

Data Access Statement: CSR-SH (Landerer, 2021), JPL-SH (Landerer, 2021), GFZ-SH (Landerer, 2021), and JPL-M (Wiese et al., 2018) are accessible through JPL website at (https://grace.jpl.nasa.gov/data/get-data/monthly-mass-grids-land/; Last access: 03 December 2024). For the CSR-M (Save, 2020), visit CSR website (https://www2.csr.utexas.edu/grace/RL06_mascons.html; Last access: 03 December 2024). GLDAS (Rodell et al., 2004) and FLDAS (McNally et al., 2017) data sets are available from The NASA Goddard Earth Sciences Data and Information Services Centre (https://ldas.gsfc.nasa.gov/gldas/gldas-get-data; Last access: 09 December 2024). WaterGAP v2.2e (Müller Schmied et al., 2024) outputs can be retrieved from the Goethe University Data Repository (GUDe) at (https://gude.uni-frankfurt.de/entities/researchdata/7d500a84-9a36-4cd2-9f76-a4081f9ee94e/details; Last access: 09 December 2024). [Please see the article for the full data access statement.]

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