Figure 4: Relationship between the increased ratio of rainfall due to altitude a and the distance from the nearby coast D.
☐: Indigirka River basin from 2004 through 2005;
■: Indigirka River basin from 2006 through 2007;
◆: Kolyma River basin from 2006 through 2007;
▲: Surrounding Okhotsk area from 2006 through 2007.