Last week, the CARVE science crew got ready for the up-coming CARVE May campaign.  The 

JPL crew arrived at Fairbanks on May 1.  With good weather, Carve flew on May 2-3 with flights over Fort Yukon and Nikolai, located in the Koyukuk valley Longitude vs Altitude vs Ch4 plot below, shows the boundary layer between 3,000 and 4,000 meters. 

Fort Yukon CO2 plot

Enhanced Ch4, on the way to Nikolai on 3 May, 2015