Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles
Coastal flooding in the Gulf of Lion is associated with storm-surges linked with south-easterly winds that push up the water toward the coasts. At a synoptic scale, these meteorological conditions are associated with a deep barometric depression near the Bay of Biscay. This is favoured by the negati...
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Unité Mixte de Recherche 8504 Géographie-cités
2009
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oai:doaj.org-article:fa0d90f61a16428593382ecdc5fc61b72021-12-02T11:20:56ZChangement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles1278-336610.4000/cybergeo.22013https://doaj.org/article/fa0d90f61a16428593382ecdc5fc61b72009-03-01T00:00:00Zhttp://journals.openedition.org/cybergeo/22013https://doaj.org/toc/1278-3366Coastal flooding in the Gulf of Lion is associated with storm-surges linked with south-easterly winds that push up the water toward the coasts. At a synoptic scale, these meteorological conditions are associated with a deep barometric depression near the Bay of Biscay. This is favoured by the negative phase of the North-Atlantic Oscillation that leads to a southward shift of the main storm track over the northern Atlantic. In the second half of the 20th century, the frequency of south easterlies shows a significant increase in the whole Gulf of Lion, paradoxically with the positive deviation of the North-Atlantic Oscillation. Changes in the mean atmospheric conditions at this broad spatial-scale have increased the probability of barometric depression near the Bay of Biscay and of south easterlies in the Gulf of Lion during the negative phase of the North-Atlantic Oscillation.Albin UllmannUnité Mixte de Recherche 8504 Géographie-citésarticleclimate changeGolfe du Lionspatio-temporal scalestormsGeography (General)G1-922DEENFRITPTCybergeo (2009) |
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climate change Golfe du Lion spatio-temporal scale storms Geography (General) G1-922 |
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climate change Golfe du Lion spatio-temporal scale storms Geography (General) G1-922 Albin Ullmann Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
description |
Coastal flooding in the Gulf of Lion is associated with storm-surges linked with south-easterly winds that push up the water toward the coasts. At a synoptic scale, these meteorological conditions are associated with a deep barometric depression near the Bay of Biscay. This is favoured by the negative phase of the North-Atlantic Oscillation that leads to a southward shift of the main storm track over the northern Atlantic. In the second half of the 20th century, the frequency of south easterlies shows a significant increase in the whole Gulf of Lion, paradoxically with the positive deviation of the North-Atlantic Oscillation. Changes in the mean atmospheric conditions at this broad spatial-scale have increased the probability of barometric depression near the Bay of Biscay and of south easterlies in the Gulf of Lion during the negative phase of the North-Atlantic Oscillation. |
format |
article |
author |
Albin Ullmann |
author_facet |
Albin Ullmann |
author_sort |
Albin Ullmann |
title |
Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
title_short |
Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
title_full |
Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
title_fullStr |
Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
title_full_unstemmed |
Changement climatique et évolution des tempêtes dans le Golfe du Lion : approche par intégration d’échelles spatio-temporelles |
title_sort |
changement climatique et évolution des tempêtes dans le golfe du lion : approche par intégration d’échelles spatio-temporelles |
publisher |
Unité Mixte de Recherche 8504 Géographie-cités |
publishDate |
2009 |
url |
https://doaj.org/article/fa0d90f61a16428593382ecdc5fc61b7 |
work_keys_str_mv |
AT albinullmann changementclimatiqueetevolutiondestempetesdanslegolfedulionapprocheparintegrationdechellesspatiotemporelles |
_version_ |
1718396033877147648 |