Figure 2
From: Thermodynamic basis for the demarcation of Arctic and alpine treelines
Site locations for the three pairs of sites (Table 1) above and below Arctic and alpine treelines. The background topographic map is generated from NASA space-based elevation data (https://visibleearth.nasa.gov/images/73934/topography#). Fluxtower site images were obtained from the following: TVC & HPC—Oliver Sonnentag (https://atmosbios.com/); T-Van—photo of the Saddle site about 350m along the ridge from T-Van taken by Andy Watt (https://archive.eol.ucar.edu/homes/stephens/RACCOON/NWRsite.html); NR1—Sean Burns, 10/07/2014, (https://ameriflux.lbl.gov/sites/siteinfo/US-NR1); MBo & Lav—Roberto Zampedri, Fondazione Edmund Mach.
