Periodic variations of glaciers
โ
C.
๐
Article
๐
1882
๐
Elsevier Science
๐
English
โ 59 KB
Periodic Variations of Glaciers.--M. F. A. Forel,of Morges, presented to the first general meeting of the Swiss Society of Natural Science his investigations upon the periodic variations of glaciers. The present remarkable period of glacial retreat began about 1840 in some places, but the Unteraar g