Articles | Volume 25, issue 4
Hydrol. Earth Syst. Sci., 25, 1943–1967, 2021
Hydrol. Earth Syst. Sci., 25, 1943–1967, 2021
Research article
13 Apr 2021
Research article | 13 Apr 2021

Signatures of human intervention – or not? Downstream intensification of hydrological drought along a large Central Asian river: the individual roles of climate variability and land use change

Artemis Roodari et al.

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Cited articles

Afghan–Iranian Helmand River Water Treaty: available at: (last access: 3 October 2018), 1973. 
AghaKouchak, A., Feldman, D., Hoerling, M., Huxman, T., and Lund, J.: Water and climate: Recognize anthropogenic drought, Nature News, 524, 409–411, 2015. 
Ahmad, M. and Wasiq, M.: Water resources development in Northern Afghanistan and its implications for Amu Darya Basin, World Bank working paper series, Washington, D.C., World Bank Group. 36, 66 pp., 2004. 
Ahmadalipour, A., Moradkhani, H., and Demirel, M. C.: A comparative assessment of projected meteorological and hydrological droughts: Elucidating the role of temperature, J. Hydrol., 553, 785–797,, 2017. 
Ajami, N. K., Gupta, H., Wagener, T., and Sorooshian, S.: Calibration of a semi-distributed hydrologic model for streamflow estimation along a river system, J. Hydrol., 298, 112–135,, 2004. 
Short summary
In a combined data analysis and modeling study in the transboundary Helmand River basin, we analyzed spatial patterns of drought and changes therein based on the drought indices as well as on absolute water deficits. Overall the results illustrate that flow deficits and the associated droughts clearly reflect the dynamic interplay between temporally varying regional differences in hydro-meteorological variables together with subtle and temporally varying effects linked to human intervention.