Diel surface temperature range scales with lake size

Woolway, R. Iestyn; Jones, Ian D.; Maberly, Stephen C. ORCID: https://orcid.org/0000-0003-3541-5903; French, Jon R.; Livingstone, David M.; Monteith, Donald T. ORCID: https://orcid.org/0000-0003-3219-1772; Simpson, Gavin L.; Thackeray, Stephen J. ORCID: https://orcid.org/0000-0003-3274-2706; Andersen, Mikkel R.; Battarbee, Richard W.; DeGasperi, Curtis L.; Evans, Christopher D. ORCID: https://orcid.org/0000-0002-7052-354X; de Eyto, Elvira; Feuchtmayr, Heidrun; Hamilton, David P.; Kernan, Martin; Krokowski, Jan; Rimmer, Alon; Rose, Kevin C.; Rusak, James A.; Ryves, David B.; Scott, Daniel R.; Shilland, Ewan M.; Smyth, Robyn L.; Staehr, Peter A.; Thomas, Rhian; Waldron, Susan; Weyhenmeyer, Gesa A.. 2016 Diel surface temperature range scales with lake size. PLoS ONE, 11 (3), e0152466. 14, pp. 10.1371/journal.pone.0152466

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Abstract/Summary

Ecological and biogeochemical processes in lakes are strongly dependent upon water temperature. Long-term surface warming of many lakes is unequivocal, but little is known about the comparative magnitude of temperature variation at diel timescales, due to a lack of appropriately resolved data. Here we quantify the pattern and magnitude of diel temperature variability of surface waters using high-frequency data from 100 lakes. We show that the near-surface diel temperature range can be substantial in summer relative to long-term change and, for lakes smaller than 3 km2, increases sharply and predictably with decreasing lake area. Most small lakes included in this study experience average summer diel ranges in their near-surface temperatures of between 4 and 7°C. Large diel temperature fluctuations in the majority of lakes undoubtedly influence their structure, function and role in biogeochemical cycles, but the full implications remain largely unexplored.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1371/journal.pone.0152466
UKCEH and CEH Sections/Science Areas:	Parr Emmett
ISSN:	1932-6203
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
NORA Subject Terms:	Ecology and Environment Hydrology Meteorology and Climatology
Date made live:	04 Apr 2016 09:43 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/513353

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