In late-October, winds blew a long plume of silty glacial dust from the Copper River Valley over the Gulf of Alaska.
Image of the Day Atmosphere Water
This image from early November 2011 shows a dust plume blowing off the coast of southern Alaska.
Atmosphere Land Dust and Haze Snow and Ice
Rock pulverized by glaciers served as the raw material for a fall dust storm emanating from Alaska’s Copper River delta in October 2012.
Image of the Day Atmosphere Dust and Haze
Strong winds over Alaska’s Copper River blows a distinctive plume of pale brown sediment over the Gulf of Alaska in this true-color image from October 30, 2009.
Image of the Day Atmosphere Land Dust and Haze Snow and Ice
Acquired December 1, 2010, this natural-color image shows dust blowing off the Chugach Mountains and over the Gulf of Alaska.
Acquired in early November 2012, these images show two dust plumes that may have had very different sources.
Image of the Day Atmosphere Land Dust and Haze
When winds push dust and glacial flour into the Gulf of Alaska, they can deliver enough iron to trigger phytoplankton blooms.
Image of the Day Atmosphere Land Water Dust and Haze Snow and Ice
alert message