Digitized by the Internet Archive in 2007 with funding from IVIicrosoft Corporation http://www.archive.org/details/dynamicmeteoroloOObjeruoft DYNAMIC METEOROLOGY AND HYDROGRAPHY BY BJERKNES V. PROFESSOR AT THE UNIVERSITY OF CHRISTIANIA AND DIFFERENT COLLABORATORS WASHINGTON, D. C. Published by the Carnegie Institution of Washington 1910 4' CARNEGIE INSTITUTION OF WASHINGTON Publication No. 88 3&- Pressof fmNewEra printihoCOHpANr LANCASTEIt.PA.