Table 3.
Drainage mechanism | Drainage pathway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Year | Number of drained lakes | Bank overtopping or headward erosion | Lake expansion | River meandering | Coastal erosion | Drained lake basin | Beaded stream | Lake | River | Ocean | Sloped tundra |
2000 | – | – | – | – | – | – | – | – | – | – | – |
2001 | 2 | 2 | – | – | – | – | – | – | 2 | – | – |
2002 | – | – | – | – | – | – | – | – | – | – | – |
2003 | – | – | – | – | – | – | – | – | – | – | – |
2004 | 5 | 5 | – | – | – | 2 | 1 | – | 1 | – | 1 |
2005 | – | – | – | – | – | – | – | – | – | – | – |
2006 | 6 | 5 | 1 | 1 | 1 | 3 | 1 | ||||
2007 | – | – | – | – | – | – | – | – | – | – | – |
2008 | 1 | – | – | 1 | – | – | – | – | 1 | – | – |
2009 | – | – | – | – | – | – | – | – | – | – | – |
2010 | – | – | – | – | – | – | – | – | – | – | – |
2011 | – | – | – | – | – | – | – | – | – | – | – |
2012 | 2 | 2 | – | – | 1 | – | – | 1 | – | – | |
2013 | 2 | 1 | – | 1 | – | 1 | – | – | 1 | – | – |
2014 | 2 | 2 | – | – | – | – | – | – | 1 | 1 | – |
2015 | – | – | – | – | – | – | – | – | – | – | – |
2016 | – | – | – | – | – | – | – | – | – | – | – |
2017 | – | – | – | – | – | – | – | – | – | – | – |