Articles | Volume 25, issue 2
https://doi.org/10.5194/hess-25-511-2021
https://doi.org/10.5194/hess-25-511-2021
Research article
 | 
02 Feb 2021
Research article |  | 02 Feb 2021

Estimation of hydrological drought recovery based on precipitation and Gravity Recovery and Climate Experiment (GRACE) water storage deficit

Alka Singh, John Thomas Reager, and Ali Behrangi

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Cited articles

Adler, R. F., Huffman, G. J., Chang, A., Ferraro, R., Xie, P.-P., Janowiak, J., Rudolf, B., Schneider, U., Curtis, S., Bolvin, D., Gruber, A., Susskind, J., Arkin, P., and Nelkin, E.: The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present), J. Hydrometeorol., 4, 1147–1167, https://doi.org/10.1175/1525-7541(2003)004<1147:TVGPCP>2.0.CO;2, 2003. 
Awange, J. L., Khandu, Schumacher, M., Forootan, E., and Heck, B.: Exploring hydro-meteorological drought patterns over the Greater Horn of Africa (1979–2014) using remote sensing and reanalysis products, Adv. Water Resour., 94, 45–59, https://doi.org/10.1016/j.advwatres.2016.04.005, 2016.  
Behrangi, A., Nguyen, H., and Granger, S.: Probabilistic Seasonal Prediction of Meteorological Drought Using the Bootstrap and Multivariate Information, J. Appl. Meteorol. Clim., 54, 1510–1522, https://doi.org/10.1175/JAMC-D-14-0162.1, 2015. 
Behrangi, A., Gardner, A., Reager, J. T., Fisher, J. B., Yang, D., Huffman, G. J., and Adler, R. F.: Using GRACE to Estitmate Snowfall Accumulation and Assess Gauge Undercatch Corrections in High Latitudes, J. Climate, 31, 8689–8704, https://doi.org/10.1175/JCLI-D-18-0163.1, 2018. 
Chen, J. L., Wilson, C. R., Tapley, B. D., Yang, Z. L., and Niu, G. Y.: 2005 drought event in the Amazon River basin as measured by GRACE and estimated by climate models, J. Geophys. Res., 114, B05404, https://doi.org/10.1029/2008JB006056, 2009. 
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Short summary
The study demonstrates the utility of Gravity Recovery and Climate Experiment (GRACE) terrestrial water storage anomalies (TWSAs) for obtaining statistics of hydrological droughts, i.e., recovery periods and required precipitation in different precipitation scenarios. The findings of this study are that the GRACE-based drought index is valid for estimating the required precipitation for drought recovery, and the period of drought recovery depends on the intensity of the precipitation.
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