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Long-term chloride concentrations in North American and European freshwater lakes

Dugan, Hilary A.; Summers, Jamie C.; Skaff, Nicholas K.; Krivak-Tetley, Flora E.; Doubek, Jonathan P.; Burke, Samantha M.; Bartlett, Sarah L.; Arvola, Lauri; Jarjanazi, Hamdi; Korponai, János; Kleeberg, Andreas; Monet, Ghislaine; Monteith, Don; Moore, Karen; Rogora, Michela; Hanson, Paul C.; Weathers, Kathleen C.. 2017 Long-term chloride concentrations in North American and European freshwater lakes. Scientific Data, 4, 170101. 11, pp. 10.1038/sdata.2017.101

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Abstract/Summary

Anthropogenic sources of chloride in a lake catchment, including road salt, fertilizer, and wastewater, can elevate the chloride concentration in freshwater lakes above background levels. Rising chloride concentrations can impact lake ecology and ecosystem services such as fisheries and the use of lakes as drinking water sources. To analyze the spatial extent and magnitude of increasing chloride concentrations in freshwater lakes, we amassed a database of 529 lakes in Europe and North America that had greater than or equal to ten years of chloride data. For each lake, we calculated climate statistics of mean annual total precipitation and mean monthly air temperatures from gridded global datasets. We also quantified land cover metrics, including road density and impervious surface, in buffer zones of 100 to 1,500 m surrounding the perimeter of each lake. This database represents the largest global collection of lake chloride data. We hope that long-term water quality measurements in areas outside Europe and North America can be added to the database as they become available in the future.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1038/sdata.2017.101
CEH Sections: Parr
ISSN: 2052-4463
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: environmental impact, freshwater ecology, hydrology, limnology
NORA Subject Terms: Ecology and Environment
Date made live: 08 Sep 2017 09:05 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/517750

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