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White pine and red pine plantations were comparable in snow depth, but a hardwood stand had a snow depth similar to that in an open field. Differences are attributed mainly to canopy density. Order of snow disappearance was: (1) open field, (2) hardwoods, (3) red pine, (4) white pine. Melt rates were .10, .05, and .04 inches per day for hardwoods, white pine, and red pine respectively. Concrete frost was extensive in the open field and under white pine; whereas at the maximum frost occurrence under red pine and hardwoods was 39 percent. Yearly fluctuations in temperature and snow depth can produce large variations in frost occurrence, particularly under conifers. Uniformly shallow frost--l.6 to 1.8 inches average--was found in all four cover types.
Document Type: Journal Article
Educational Leave and engaged in Graduate Studies at the School of Natural Resources, The University of Michigan, Ann Arbor
Publication date: April 1, 1963
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The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.