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ÅSKA I SVERIGE UNDER 1900-TALET - Göteborgs universitet

ÅSKA I SVERIGE UNDER 1900-TALET - Göteborgs universitet

ÅSKA I SVERIGE UNDER 1900-TALET - Göteborgs universitet

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INNEHÅLL<br />

INLEDNING............................................................................................................................. 6<br />

BAKGRUND............................................................................................................................. 7<br />

ÅSKTYPER ............................................................................................................................ 7<br />

ÅSKVÄDRETS UTVECKLING .............................................................................................. 7<br />

BLIXT .................................................................................................................................... 8<br />

<strong>ÅSKA</strong> I <strong>SVERIGE</strong> .................................................................................................................. 8<br />

METODIK ................................................................................................................................ 9<br />

OMRÅDESBESKRIVNING ................................................................................................. 10<br />

RESULTAT ............................................................................................................................ 11<br />

REGIONAL FÖRDELNING .................................................................................................. 11<br />

MÅNADSFÖRDELNING...................................................................................................... 12<br />

UTVECKLING <strong>UNDER</strong> <strong>1900</strong>-<strong>TALET</strong>................................................................................. 12<br />

FÖRÄNDRING <strong>UNDER</strong> 30-ÅRS PERIODER....................................................................... 18<br />

KLIMATVARIATIONER .................................................................................................... 19<br />

NORTH ATLANTIC OSCILLATION................................................................................... 19<br />

DISKUSSION ......................................................................................................................... 24<br />

REGIONAL FÖRDELNING .................................................................................................. 24<br />

MÅNADSFÖRDELNING...................................................................................................... 25<br />

UTVECKLING <strong>UNDER</strong> <strong>1900</strong> <strong>TALET</strong> OCH FÖRÄNDRING I 30- ÅRS PERIODER ........... 25<br />

NAO KOPPLAT TILL ÅSKFREKVENS .............................................................................. 26<br />

SLUTSATSER........................................................................................................................ 27<br />

LITTERATURFÖRTECKNING ......................................................................................... 28<br />

5

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