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Changes in sunshine duration are correlated with changes in daily temperature range this century: An analysis of Swiss climatological data

Martine Rebetez & Martin Beniston

Résumé Analyses of the relationship between trends in daily temperature range and those of sunshine duration in the Swiss Alps show a strong correlation at lower elevation sites. The decrease in daily temperature range is associated with a corresponding decrease in sunshine duration. At high elevations, however, this relationship is absent. The decrease in daily temperature range observed this century at lower elevation sites is inferred to be a consequence of an increase in low-level cloudiness. Higher elevation sites lie above the low-level cloud layers and the moisture-laden lower atmospheric boundary layer and as a result do not exhibit the same trends.
   
Mots-clés CLIMATE-CHANGE, AUSTRALIA, MAXIMUM, MINIMUM
   
Citation Rebetez, M., & Beniston, M. (1998). Changes in sunshine duration are correlated with changes in daily temperature range this century: An analysis of Swiss climatological data. Geophysical Research Letters, 25(19), 3611-3613.
   
Type Article de périodique (Français)
Date de publication 1998
Nom du périodique Geophysical Research Letters
Volume 25
Numéro 19
Pages 3611-3613