CLIMATE AND WATER RELATIONS 



155 



_L 



_L 



J_ 



_1_ 



25H 

 20 



15 



10 



Monthly averages of 



maximum 1 



daily average >air temperature at 2000r 



mininnum 



maxirnum lair te 



daily average ^^ ^qq; 



■ — • minimum 



maximum i needle t 



minimum f at 2000 



-5- 



-10 



1 1 



D J F 



M 



Fig. I. Annual trend (Oct. 1954-Sept. 1955) of monthly maximum, minimum and 

 daily averages of air temperature at different atlitudes (Obergurgl 2070 m, Innsbruck 

 580 m) and of temperatures of pine needles at Obergurgl. 



cal /crrfi/d 

 600- 



4O0- 



O N D 



2000m 

 in%200m^2« ^^^ 16^ 1^7 128 119 114 111 112 129 18.8 202 



Fig. 2. Annual trend of monthly averages of solar radiation at different altitudes 

 (Obergurgl 2070 m, Wien 200 m). (From Turner, 1961a). 



