. Ecological investigations of the tundra biome in the Prudhoe Bay region, Alaska. Tundra ecology. 47 dune areas, roads, and, near the end of the season, from protruding bits of vegetation. Once the temperature of the entire snowpack reaches the melting point and melt action is continuous, the snow will disappear in about 2 weeks. In 1972 the snow did not reach 0°C throughout until after 28 May. By 8 June 25% to 50% of the ground was snow free; by 9 June it was 50% snow free. A strong gradient exists in the tundra climate. The coastal influence maintains the snow cover at Prudhoe Bay and Barro
. Ecological investigations of the tundra biome in the Prudhoe Bay region, Alaska. Tundra ecology. 47 dune areas, roads, and, near the end of the season, from protruding bits of vegetation. Once the temperature of the entire snowpack reaches the melting point and melt action is continuous, the snow will disappear in about 2 weeks. In 1972 the snow did not reach 0°C throughout until after 28 May. By 8 June 25% to 50% of the ground was snow free; by 9 June it was 50% snow free. A strong gradient exists in the tundra climate. The coastal influence maintains the snow cover at Prudhoe Bay and Barrow for several weeks longer than at sites only 50 to 100 km inland. On 7 June 1972 there was no snow on the tundra south of Franklin Bluffs, yet the snow was still present in the Prudhoe Bay region. The images from ERTS may be especial- ly useful in observing this phenomenon. References Ambach, W. (1974). The influence of cloudiness on the net radiation balance of a snow surface with high albedo. J. Glaciol., 13(67) :73-84. Benson, C. S. (1962). Stratigraphic studies in the snow and firn of the Greenland Ice Sheet. SIPRE(CRREL) Research Report 70, 93 pp. (1967). A reconnaissance snow survey Interior Alaska. Geophysical Institute, of Alaska, Report UAGR-190, of University December 1967, 71 pp. (1969). The seasonal snow cover of Arctic Alaska. Arctic Institute of North America (AINA) Research Paper No. 51, 80 pp. Acknowledgments This project was funded primarily from NSF funds provided to the Tundra Biome Program at the University of Alaska. Supplemental assistance was provided by the State of Alaska and industry funds. Brown, J., R. K. Haugen, and S. Parrish (This volume). Selected climatic and soil thermal characteristics of the Prudhoe Bay region. Carlson, R. F., W. R. Norton, and J. McDougal (1974). Modeling snowmelt runoff in an arctic coastal plain. Institute of Water Re- sources, University of Alaska, Report No. IWR-43, 72 Please note that these images are extracted f
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