Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 26, issue 24
Articles | Volume 26, issue 24
https://doi.org/10.5194/hess-26-6457-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-26-6457-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 24
Research article
 | Highlight paper
 | 
22 Dec 2022
Research article | Highlight paper |  | 22 Dec 2022

Global evaluation of the “dry gets drier, and wet gets wetter” paradigm from a terrestrial water storage change perspective

Jinghua Xiong, Shenglian Guo, Abhishek, Jie Chen, and Jiabo Yin

Supplement

https://doi.org/10.5194/hess-26-6457-2022-supplement

Data sets

CSR GRACE/GRACE-FO RL06 Mascon Solutions (version 02) GRACE https://www2.csr.utexas.edu/grace/RL06_mascons.html

Data from: Long-term (1979--present) total water storage anomalies over the global land derived by reconstructing GRACE data Li, F. https://doi.org/10.5061/dryad.z612jm6bt

The global water resources and use model WaterGAP v2.2d -- Standard model output Müller Schmied, H., Cáceres, D., Eisner, S., Flörke, M., Herbert, C., Niemann, C., Peiris, T. A., Popat, E., Portmann, F. T., Reinecke, R., Shadkam, S., Trautmann, T., and Döll, P. https://doi.org/10.1594/PANGAEA.918447

GLDAS VIC Land Surface Model L4 monthly 1.0 x 1.0 degree V2.0 Beaudoing, H. and Rodell, M. https://doi.org/10.5067/ZRIHVF29X43C

GLDAS Noah Land Surface Model L4 monthly 1.0 x 1.0 degree V2.0 Beaudoing, H. and Rodell, M. https://doi.org/10.5067/QN80TO7ZHFJZ

GLDAS Catchment Land Surface Model L4 monthly 1.0 x 1.0 degree V2.0 Li, B., Beaudoing, H., and Rodell, M. https://doi.org/10.5067/SGSL3LNKGJWW

CMIP6 GCMs simulations Earth System Grid Federation https://esgf-node.llnl.gov/projects/cmip6/

CRU TS Version 4.06 Climatic Research Unit https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.06/

G-RUN ENSEMBLE Ghiggi, G., Humphrey, V., Gudmundsson, L., and Seneviratne, S. I. https://doi.org/10.6084/m9.figshare.12794075.v1

Global Land Evaporation Amsterdam Model GLEAM https://www.gleam.eu/

Data used for the article ``Global evaluation of the dry gets drier and wet gets wetter paradigm from terrestrial water storage changes perspective'' Xiong, J., Guo, S., Abhishek, Chen, J., and Yin, J. https://doi.org/10.5281/zenodo.7212993

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Executive editor
This work addresses the important issue of the "dry gets drier wet gets wetter" paradigm from a new perspective using terrestrial water storage estimates. The paper can be an important contribution to the debate on how climate change will impact the global distribution of aridity.
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Short summary
Although the "dry gets drier, and wet gets wetter (DDWW)" paradigm is prevalent in summarizing wetting and drying trends, we show that only 11.01 %–40.84 % of the global land confirms and 10.21 %–35.43 % contradicts the paradigm during 1985–2014 from a terrestrial water storage change perspective. Similar proportions that intensify with the increasing emission scenarios persist until the end of the 21st century. Findings benefit understanding of global hydrological responses to climate change.
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