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Annual mean water quality metrics for catchments draining to German drinking water reservoirs

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Created: Nov 25, 2021 at 11:56 a.m.
Last updated: Nov 25, 2021 at 1:34 p.m.
DOI: 10.4211/hs.43601618877945c5a46b715aa98db729
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Sharing Status: Published
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This data describes water quality parameters and catchment characteristics for 88 catchments draining into German drinking water reservoirs.
This data was used in more detail in Musolff et al. (2017).
The data comprises:
Catchment - number of the catchment
Year - year for which the data was averaged
SUVA254 - Specific ultraviolet absorbance at a wavelenght of 254 nm of the filtered water sample [L m-1 mg-1]
NO3 - nitrate concentration of the filtered water sample [µmol L-1]
Fe - dissolved iron concentration [µmol L-1]
DOC - dissolved organic carbon concentration [mmol L-1]
PO4 - soluble reactive phosphorus concentrations of the filteres water sample [µmol L-1]
Forest - share of the catchment covered by forest following CLC (2016), static metric [%]
TWI90 - topographic wetness index following Beven and Kirkby (1979) using a 10 m digital elevation model, static metric [-]
The hydrochemical data was averaged using Box-Cox-transformation (Box and Cox, 1964) for the samples of each year, arithmetic mean and backtransformation. On average 11 samples per years have been averaged.
The data is stored as a CSV file.

Beven, K. J., & Kirkby, M. J. (1979). A physically based, variable contributing area model of basin hydrology. Hydrological Sciences Journal, 24(1), 43-69.
Box, G. E. P., & Cox, D. R. (1964). An Analysis of Transformations. Journal of the Royal Statistical Society Series B-Statistical Methodology, 26(2), 211-252.
CLC. (2016). CORINE Land Cover 2012 v18.5. .

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
North Latitude
East Longitude
South Latitude
West Longitude


Related Resources

The content of this resource is derived from CLC. (2016). CORINE Land Cover 2012 v18.5. .

How to Cite

Musolff, A. (2021). Annual mean water quality metrics for catchments draining to German drinking water reservoirs, HydroShare,

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


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