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Hydrological drought classification in Europe
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Created: Feb 09, 2022 at 8:19 a.m. (UTC)
Last updated: Sep 28, 2022 at 11:59 a.m. (UTC)
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Content types: Geographic Feature Content 
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Abstract

We propose a formal classification scheme for streamflow droughts in humid-temperature climate regions. The classification scheme relies on an existing drought typology and assigns events to one of eight drought types - each characterized by a set of compounding drivers - using information about seasonality, precipitation deficits and snow availability.
To ensure generalizability, the classification scheme uses globally available data i.e. observed streamflow from the Global Runoff Database and hydro-meteorological time series from the ERA5-Land reanalysis including temperature, precipitation, and snow-water-equivalent (SWE).
Hydrological drought types include rainfall deficit droughts, which are exclusively caused by a prolonged lack of rainfall and possibly aggravated by high evapotranspiration; rain-to-snow-season droughts, caused by a rainfall deficit in the rain season continuing into the snow season; wet-to-dry season droughts caused by a rainfall deficit in the rain season that continues into the dry season; cold-snow-season droughts, caused by abnormally low temperatures in the snow season; warm-snow-season droughts, caused by abnormally high temperatures in the snow season; snowmelt droughts, caused by a lack of snowmelt discharge in snow-influenced basins; glaciermelt droughts, caused by a lack of glaciermelt; and composite droughts, caused by a number of drought generation mechanisms.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
71.0000°
East Longitude
32.0000°
South Latitude
41.4000°
West Longitude
-24.0000°

Temporal

Start Date:
End Date:

Content

Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

Web Map Service

https://geoserver.hydroshare.org/geoserver/HS-77114d4dfdfd4dd39e0e1d99165f27b3/wms?request=GetCapabilities

Web Feature Service

https://geoserver.hydroshare.org/geoserver/HS-77114d4dfdfd4dd39e0e1d99165f27b3/wfs?request=GetCapabilities

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
German Research Foundation Drought and flood statistics in regulated catchments: a multivariate perspective (DFStaR) 2100371301

How to Cite

Brunner, M. (2022). Hydrological drought classification in Europe, HydroShare, http://www.hydroshare.org/resource/77114d4dfdfd4dd39e0e1d99165f27b3

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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