Large-scale coherence in the response of lake surface-water temperatures to synoptic-scale climate forcing during summer

David M. Livingstone, J. Padisák

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Daily mean lake surface-water temperatures (LSWTs) measured in Swiss Alpine lakes in summer and early autumn 2000 were compared with LSWTs measured simultaneously in Lake Balaton, Hungary, 750 km to the east. The Swiss lakes are small (0.0043-0.46 km2), predominantly oligotrophic, and are located in a mountainous environment, some at altitudes >2,000 m above sea level, whereas Lake Balaton is a large (593 km2), shallow, mesotrophic lake situated in the much lower-lying Carpathian Basin. Despite the large distance separating the two regions and the extreme differences in character between the lakes, the LSWTs in Switzerland and Hungary exhibited a coherent response to synoptic-scale meteorological forcing, expressed in terms of exponentially smoothed air temperature, which can be viewed as a causal forcing variable in its own right and as a proxy for other forcing variables with which it is correlated. The coherent response of LSWT in very dissimilar lakes in two different geographical regions of Europe demonstrates that large-scale climatic forcing on synoptic timescales is much more important for lakes than previously thought. This appears to be particularly true for low-altitude lakes, whereas lakes at higher altitudes exhibit more heterogeneity in their response.

Original languageEnglish
Pages (from-to)896-902
Number of pages7
JournalLimnology and Oceanography
Volume52
Issue number2
Publication statusPublished - Mar 2007

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climate forcing
lake water
surface temperature
water temperature
surface water
lakes
summer
lake
radiative forcing
surface water temperature
Hungary
geographical region
air temperature
autumn
sea level
timescale
Switzerland

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

Cite this

Large-scale coherence in the response of lake surface-water temperatures to synoptic-scale climate forcing during summer. / Livingstone, David M.; Padisák, J.

In: Limnology and Oceanography, Vol. 52, No. 2, 03.2007, p. 896-902.

Research output: Contribution to journalArticle

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