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Lakes as sentinels of climate change

Adrian, R. and O’Reilly, C.M. and Zagarese, H. and Baines, S.B. and Hessen, D.O. and Keller, W. and Livingstone, D.M. and Sommaruga, R. and Straile, D. and Van Donk, E. and Weyhenmeyer, G. and Winder, M. (2009) Lakes as sentinels of climate change. Limnology and Oceanography, 54, 2283-2297. ISSN 0024-3590.

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While there is a general sense that lakes can act as sentinels of climate change, their efficacy has not been thoroughly analyzed. We identified the key response variables within a lake that act as indicators of the effects of climate change on both the lake and the catchment. These variables reflect a wide range of physical, chemical, and biological responses to climate. However, the efficacy of the different indicators is affected by regional response to climate change, characteristics of the catchment, and lake mixing regimes. Thus, particular indicators or combinations of indicators are more effective for different lake types and geographic regions. The extraction of climate signals can be further complicated by the influence of other environmental changes, such as eutrophication or acidification, and the equivalent reverse phenomena, in addition to other land-use influences. In many cases, however, confounding factors can be addressed through analytical tools such as detrending or filtering. Lakes are effective sentinels for climate change because they are sensitive to climate, respond rapidly to change, and integrate information about changes in the catchment.

Item Type:Article
Institutes:Nederlands Instituut voor Ecologie (NIOO)
ID Code:6256
Deposited On:10 Jun 2010 02:00
Last Modified:15 Jan 2014 09:17

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