Determining albedo reduction by light-absorbing particles in snow over large areas - What can we learn from field observations?

Cheng Dang, University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, Stephen G Warren, Univ Washington, Seattle, WA, United States, Qiang Fu, University of Washington, Atmospheric and Climate Science, Seattle, United States, Sarah J Doherty, University of Washington, Department of Atmospheric and Climate Science, Seattle, United States and Matthew Sturm, University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States