Tuesday, February 24, 2009

No one cares about a one hundred year old boat?

The U.S. Geological Survey-led (click here for original journal entry) study reveals that average annual erosion rates along this part of the Beaufort Sea climbed from historical levels of about 20 feet per year between the mid-1950s and late-1970s, to 28 feet per year between the late-1970s and early 2000s, to a rate of 45 feet per year between 2002 and 2007. The study was published in the current issue of Geophysical Research Letters, a publication of the American Geophysical Union....


A USGS researcher took a picture of this nearly century-old whaling boat in July 2007 along the Beaufort Sea coast near Lonely, Alaska. The boat washed away to sea just a few months later. Courtesy of Benjamin Jones, USGS




A cabin along the Arctic Alaska coastline was recently washed into the ocean because the bluff it was sitting on top of was eroded away. Courtesy of Benjamin Jones, USGS






Recent erosion along Alaska''s Arctic coast; note the collapsed block of ice-rich permafrost. Courtesy of Benjamin Jones, USGS




USGS researcher Benjamin Jones measures erosion along a part of Alaska''s Arctic coast. On the right side of the photo is an example of a collapsed block of ice-rich permafrost. Courtesy of Christopher Arp, USGS