Dobkowski sampling brown water

Tea water in Arctic rivers– carbon pathways

At the turn of the season as snow and ice melt, Alaska’s waterways open up. “This is the highest this river will be this season,” Jason Dobkowski said. “Here is this giant flush of particulate and nutrients that flow through the river. So we are trying to make sure we sample at this big flush […]

Geologic methane seeping from thawing cryosphere

Geologic methane is seeping through the edges of thawing permafrost and receding glaciers in Alaska and Greenland, according to a study recently published in the journal Nature Geoscience. University of Alaska Fairbanks researcher Katey Walter Anthony led the study, which, for the first time, documents the widespread occurrence of these terrestrial sources of geologic methane […]