Air, snow and ground temperature observations at three sites near Chokurdakh, Russia in 2014

Our research area is located near Chokurdakh (71N, 148E) in Northeastern Siberia, Russia, about 150 km inland from the Arctic sea coast along the Indigirka River. Three study sites were selected for air, snow and ground temperature monitorings at the height of +1.50, +0.30, +0.20, +0.10, -0.01, -0.05, -0.10, -0.20, -0.30, -0.40, -0.50, -0.75, -1.00, -1.50, -2.00, -3.00, -4.00, -5.00, -5.50, -7.00 and -10.0m, respectively; Boydom is the northernmost tundra site among our study sites along the Indigirka River, Kodac is situated in a forest-tundra landscape 8 km south of Boydom, and Verkhny Khatistakh is a larch-dominated forest near a northern end of tree line.