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Latitude and lake size are important predictors of over-lake atmospheric stability

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dc.contributor.authorWoolway, R.
dc.contributor.authorVerburg, P.
dc.contributor.authorMerchant, C.
dc.contributor.authorLenters, J.
dc.contributor.authorHamilton, D.
dc.contributor.authorBrookes, J.
dc.contributor.authorKelly, S.
dc.contributor.authorHook, S.
dc.contributor.authorLaas, A.
dc.contributor.authorPierson, D.
dc.contributor.authorRimmer, A.
dc.contributor.authorRusak, J.
dc.contributor.authorJones, I.
dc.date.issued2017
dc.descriptionPublished online 5 SEP 2017
dc.description.abstractTurbulent fluxes across the air-water interface are integral to determining lake heat budgets, evaporation, and carbon emissions from lakes. The stability of the atmospheric boundary layer (ABL) influences the exchange of turbulent energy. We explore the differences in over-lake ABL stability using data from 39 globally distributed lakes. The frequency of unstable ABL conditions varied between lakes from 71 to 100% of the time, with average air temperatures typically several degrees below the average lake surface temperature. This difference increased with decreasing latitude, resulting in a more frequently unstable ABL and a more efficient energy transfer to and from the atmosphere, toward the tropics. In addition, during summer the frequency of unstable ABL conditions decreased with increasing lake surface area. The dependency of ABL stability on latitude and lake size has implications for heat loss and carbon fluxes from lakes, the hydrologic cycle, and climate change effects.
dc.description.statementofresponsibilityR. Iestyn Woolway, Piet Verburg, Christopher J. Merchant, John D. Lenters, David P. Hamilton, Justin Brookes, Sean Kelly, Simon Hook, Alo Laas, Don Pierson, Alon Rimmer, James A. Rusak, and Ian D. Jones
dc.identifier.citationGeophysical Research Letters, 2017; 44(17):8875-8883
dc.identifier.doi10.1002/2017GL073941
dc.identifier.issn0094-8276
dc.identifier.issn1944-8007
dc.identifier.orcidBrookes, J. [0000-0001-8408-9142]
dc.identifier.urihttp://hdl.handle.net/2440/115125
dc.language.isoen
dc.publisherAmerican Geophysical Union
dc.rights©2017. The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
dc.source.urihttps://doi.org/10.1002/2017gl073941
dc.titleLatitude and lake size are important predictors of over-lake atmospheric stability
dc.typeJournal article
pubs.publication-statusPublished

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