Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation
Eighty years of monthly mean lake surface temperature (LST) data from eight lakes in the northern perialpine area of Austria show a high degree of coherence among lakes in all seasons and reflect much of the temporal structure of the regional air temperature. Coherence is least in winter because of...
Published in: | Limnology and Oceanography |
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crwiley:10.4319/lo.2001.46.5.1220 2024-06-23T07:54:58+00:00 Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation Livingstone, David M. Dokulil, Martin T. 2001 http://dx.doi.org/10.4319/lo.2001.46.5.1220 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.4319%2Flo.2001.46.5.1220 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.4319/lo.2001.46.5.1220 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Limnology and Oceanography volume 46, issue 5, page 1220-1227 ISSN 0024-3590 1939-5590 journal-article 2001 crwiley https://doi.org/10.4319/lo.2001.46.5.1220 2024-06-11T04:47:20Z Eighty years of monthly mean lake surface temperature (LST) data from eight lakes in the northern perialpine area of Austria show a high degree of coherence among lakes in all seasons and reflect much of the temporal structure of the regional air temperature. Coherence is least in winter because of the distorting effect of varying periods of ice cover. In spring, regional coherence in meteorological driving forces that are essentially uncorrelated with air temperature (e.g., geostrophic wind speed) contribute to the coherence in LST, presumably by partially determining the timing of the onset of stratification. In summer, spatial coherence in LST appears to be related directly (via the radiation balance) and/or indirectly (via air temperature) to largeߚscale variations in highaltitude cloud cover. Correlations of the Austrian LSTs with (1) seasonal indices of the North Atlantic Oscillation (NAO), (2) the timing of spring ice breakߚup in Finland, and (3) air temperatures in northern and western Europe, suggest that from autumn to spring, spatial coherence of LST in central Europe is related to the dominance of the weather by largescale climatic processes occurring over the North Atlantic, whereas in summer the processes responsible are more regional in nature. The influence of the NAO on LST is greatest in lowߚlying lakes in which periods of ice cover are infrequent and short. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Wiley Online Library Limnology and Oceanography 46 5 1220 1227 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Eighty years of monthly mean lake surface temperature (LST) data from eight lakes in the northern perialpine area of Austria show a high degree of coherence among lakes in all seasons and reflect much of the temporal structure of the regional air temperature. Coherence is least in winter because of the distorting effect of varying periods of ice cover. In spring, regional coherence in meteorological driving forces that are essentially uncorrelated with air temperature (e.g., geostrophic wind speed) contribute to the coherence in LST, presumably by partially determining the timing of the onset of stratification. In summer, spatial coherence in LST appears to be related directly (via the radiation balance) and/or indirectly (via air temperature) to largeߚscale variations in highaltitude cloud cover. Correlations of the Austrian LSTs with (1) seasonal indices of the North Atlantic Oscillation (NAO), (2) the timing of spring ice breakߚup in Finland, and (3) air temperatures in northern and western Europe, suggest that from autumn to spring, spatial coherence of LST in central Europe is related to the dominance of the weather by largescale climatic processes occurring over the North Atlantic, whereas in summer the processes responsible are more regional in nature. The influence of the NAO on LST is greatest in lowߚlying lakes in which periods of ice cover are infrequent and short. |
format |
Article in Journal/Newspaper |
author |
Livingstone, David M. Dokulil, Martin T. |
spellingShingle |
Livingstone, David M. Dokulil, Martin T. Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
author_facet |
Livingstone, David M. Dokulil, Martin T. |
author_sort |
Livingstone, David M. |
title |
Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
title_short |
Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
title_full |
Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
title_fullStr |
Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
title_full_unstemmed |
Eighty years of spatially coherent Austrian lake surface temperatures and their relationship to regional air temperature and the North Atlantic Oscillation |
title_sort |
eighty years of spatially coherent austrian lake surface temperatures and their relationship to regional air temperature and the north atlantic oscillation |
publisher |
Wiley |
publishDate |
2001 |
url |
http://dx.doi.org/10.4319/lo.2001.46.5.1220 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.4319%2Flo.2001.46.5.1220 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.4319/lo.2001.46.5.1220 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
Limnology and Oceanography volume 46, issue 5, page 1220-1227 ISSN 0024-3590 1939-5590 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.4319/lo.2001.46.5.1220 |
container_title |
Limnology and Oceanography |
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46 |
container_issue |
5 |
container_start_page |
1220 |
op_container_end_page |
1227 |
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1802647316802306048 |