NO. 4 



SITE FOR SOLAR-RADIATION STATION MOORE 



We made two visits to Ganzberg, viz: from August 8 to 21, and 

 from November 3 to 14, inclusive. Although much less cirrus cloudi- 

 ness was encountered than farther north, the prevalence of intense 

 haze together with much cumulus cloudiness during the second visit 

 militated against its suitability as an observing station site. More 

 details will be given in later tabulations and plots. 



After the first visit to Ganzberg we proceeded south to Grosskopf 

 Mountain, located at latitude 25° 45' S. and longitude 16° 30' E., or 

 about 90 miles a little north of west of Mount Brukkaros. It was the 



4 9 14 1^ 



LOG PYRHELIOMETER SOLAR CALORIES 



Fig. 6. 



lowest peak on which we observed in Southwest Africa, being 6,400 

 feet above sea-level. Like Ganzberg, the mountain was flat-topped 

 and divided into two parts. It lies in a region of slight precipitation, 

 the annual rainfall being between 2 and 3 inches. There was scant 

 shelter for our camp, and because we found it necessary to leave our 

 tent at the foot of the mountain, owing to a lack of porters, we felt 

 the cold keenly on this peak, especially since the coldest September 

 weather in many years in Southwest Africa occurred during our stay 

 there. We occupied the mountain from September i to 7, inclusive. 

 On several occasions heavy fog blew across Grosskopf from the ocean. 



