Analyzing the informative value of alternative hazard indicators for monitoring drought hazard for human water supply and river ecosystems at the global scale

Herbert, Claudia; Döll, Petra

doi:https://doi.org/10.5194/nhess-23-2111-2023

Articles | Volume 23, issue 6

https://doi.org/10.5194/nhess-23-2111-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The global hydrological model WaterGAP (GMD/NHESS inter-journal...

https://doi.org/10.5194/nhess-23-2111-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 6

Research article

|

15 Jun 2023

Research article |

| 15 Jun 2023

Analyzing the informative value of alternative hazard indicators for monitoring drought hazard for human water supply and river ecosystems at the global scale

Claudia Herbert and Petra Döll

Supplement

https://doi.org/10.5194/nhess-23-2111-2023-supplement

Data sets

Streamflow drought hazard indicators for monitoring drought hazard for human water supply and river ecosystems at the global scale Claudia Herbert and Petra Döll https://doi.org/10.5281/zenodo.7764879

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

Global Runoff Data Centre, Federal Institute of Hydrology, Koblenz, Germany GRDC https://portal.grdc.bafg.de/applications/public.html?publicuser=PublicUser#dataDownload/Home

Model code and software

WaterGAP 2.2d source code H. Müller Schmied, D. Cáceres, S. Eisner, M. Flörke, C. Herbert, C. Niemann, T. A. Peiris, E. Popat, F. T. Portmann, R. Reinecke, M. Schumacher, S. Shadkam, C.-E. Telteu, T. Trautmann, and P. Döll https://doi.org/10.5281/zenodo.6902111

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Short summary

This paper presents a new method for selecting streamflow drought hazard indicators for monitoring drought hazard for human water supply and river ecosystems in large-scale drought early warning systems. Indicators are classified by their inherent assumptions about the habituation of people and ecosystems to the streamflow regime and their level of drought characterization, namely drought magnitude (water deficit at a certain point in time) and severity (cumulated magnitude since drought onset).