Omiwatari that formed on Suwa Ko, 2003. Ice ridges form from the thermal contraction and expansion of ice and are typically serpentine.

Omiwatari that formed on Suwa Ko, 2003

Omiwatari that formed on Suwa Ko, 2003. Ice ridges form from the thermal contraction and expansion of ice and are typically serpentine.

Photo courtesy of: 
T. Hanazato
From: 
Traditional Ecological Knowledge gains currency in LTER