Seiches in Some Lakes of Japan. 



71 



§ 5. Kawaguchi Lake. 



K<a\vaguchi lake lies to the north of Mount Fuji at 138°45' E 

 and 35°30' N. Its leiiglh is about 5 kilometers and its width is 

 from 0.5 to 1.5 kilometers, its surface being about 820 meters 

 above sea level (Plate Xll). The beautiful island of Ünoshima is 



Aug. so, 1902. 



J/'' 



iC/" 



Funatsu 

 Fig-. 16 a 



;iO'^ 



30->"- 



1711 



If"- 



Nagasaki. 

 Fig. 1Ü b. 



2f"- 



SCiri 



l?h 



IQm 



Unoshiina. 

 Fig. 16 c. 



^t™ 



SCm 



17'> 



10™ 



yagahama. 

 Fig. 16 cl. 



SC»» 



50'« 



near the narrowest portion of the lake, being a part of a ridge 

 running parallel to the meridian and dividing the lake into two 

 almost independent parts. The deepest point of the lake is just 

 w^est of this ridge where the depth is 19 meters. Four liinnimeters 

 of the "N'' type were set up at Funatsu, Nagasaki, Unoshima, 

 and Nagahama, and simultaneous records were taken for four 



