Trends in Mediterranean gridded temperature extremes and large-scale circulation influences
Two recently-available daily gridded datasets are used to investigate trends in Mediterranean temperature extremes since the mid-20th century. The underlying trends are found to be generally consistent with global trends of temperature and their extremes: cold extremes decrease and warm/hot extremes...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2011-08-01
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| Series: | Natural Hazards and Earth System Sciences |
| Online Access: | http://www.nat-hazards-earth-syst-sci.net/11/2199/2011/nhess-11-2199-2011.pdf |
| _version_ | 1828766666552508416 |
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| author | D. Efthymiadis C. M. Goodess P. D. Jones |
| author_facet | D. Efthymiadis C. M. Goodess P. D. Jones |
| author_sort | D. Efthymiadis |
| collection | DOAJ |
| description | Two recently-available daily gridded datasets are used to investigate trends in Mediterranean temperature extremes since the mid-20th century. The underlying trends are found to be generally consistent with global trends of temperature and their extremes: cold extremes decrease and warm/hot extremes increase. This consistency is better manifested in the western part of the Mediterranean where changes are most pronounced since the mid-1970s. In the eastern part, a cooling is observed, with a near reversal in the last two decades. This inter-basin discrepancy is clearer in winter, while in summer changes are more uniform and the west-east difference is restricted to the rate of increase of warm/hot extremes, which is higher in central and eastern parts of the Mediterranean over recent decades. Linear regression and correlation analysis reveals some influence of major large-scale atmospheric circulation patterns on the occurrence of these extremes – both in terms of trend and interannual variability. These relationships are not, however, able to account for the most striking features of the observations – in particular the intensification of the increasing trend in warm/hot extremes, which is most evident over the last 15–20 yr in the Central and Eastern Mediterranean. |
| first_indexed | 2024-12-11T07:11:02Z |
| format | Article |
| id | doaj.art-1aff3ef200d640ec91d7f9ae4caa54cc |
| institution | Directory Open Access Journal |
| issn | 1561-8633 1684-9981 |
| language | English |
| last_indexed | 2024-12-11T07:11:02Z |
| publishDate | 2011-08-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Natural Hazards and Earth System Sciences |
| spelling | doaj.art-1aff3ef200d640ec91d7f9ae4caa54cc2022-12-22T01:16:20ZengCopernicus PublicationsNatural Hazards and Earth System Sciences1561-86331684-99812011-08-011182199221410.5194/nhess-11-2199-2011Trends in Mediterranean gridded temperature extremes and large-scale circulation influencesD. EfthymiadisC. M. GoodessP. D. JonesTwo recently-available daily gridded datasets are used to investigate trends in Mediterranean temperature extremes since the mid-20th century. The underlying trends are found to be generally consistent with global trends of temperature and their extremes: cold extremes decrease and warm/hot extremes increase. This consistency is better manifested in the western part of the Mediterranean where changes are most pronounced since the mid-1970s. In the eastern part, a cooling is observed, with a near reversal in the last two decades. This inter-basin discrepancy is clearer in winter, while in summer changes are more uniform and the west-east difference is restricted to the rate of increase of warm/hot extremes, which is higher in central and eastern parts of the Mediterranean over recent decades. Linear regression and correlation analysis reveals some influence of major large-scale atmospheric circulation patterns on the occurrence of these extremes – both in terms of trend and interannual variability. These relationships are not, however, able to account for the most striking features of the observations – in particular the intensification of the increasing trend in warm/hot extremes, which is most evident over the last 15–20 yr in the Central and Eastern Mediterranean.http://www.nat-hazards-earth-syst-sci.net/11/2199/2011/nhess-11-2199-2011.pdf |
| spellingShingle | D. Efthymiadis C. M. Goodess P. D. Jones Trends in Mediterranean gridded temperature extremes and large-scale circulation influences Natural Hazards and Earth System Sciences |
| title | Trends in Mediterranean gridded temperature extremes and large-scale circulation influences |
| title_full | Trends in Mediterranean gridded temperature extremes and large-scale circulation influences |
| title_fullStr | Trends in Mediterranean gridded temperature extremes and large-scale circulation influences |
| title_full_unstemmed | Trends in Mediterranean gridded temperature extremes and large-scale circulation influences |
| title_short | Trends in Mediterranean gridded temperature extremes and large-scale circulation influences |
| title_sort | trends in mediterranean gridded temperature extremes and large scale circulation influences |
| url | http://www.nat-hazards-earth-syst-sci.net/11/2199/2011/nhess-11-2199-2011.pdf |
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