The Atchuelinguk Fire, an 800-acre tundra blaze near Marshall, Alaska, extinguished naturally. Ipsen said that the fire occurred in an area where blazes are allowed to play out when not threatening known sites of value or people. The cause of the fire has not been determined.
The Alaska Division of Forestry said the wildfire that is burning land near the village of Pilot Point in Southwest Alaska has grown to about 500 acres, but the village is safe from any immediate danger.
Permafrost is becoming exposed in Western Alaska, in areas where the landscape transitions to tundra.
Seeing pollen in rainwater is unusual.
As Alaska warms and permafrost thaws, the chemistry of the Yukon River's water is transforming chemically, new research from the U.S. Geological Survey shows.
Dump and hill fire
Early Rhubarb (Rheum rhabarbarum) Sprout
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