 Standing water is almost always present in the summer, and in the northern parts, permafrost is close to the surface. Microrelief is provided by peat ridges and polygonal features related to frost action and ice wedges. The vegetation is primarily a sedge...  Alaska Trees and Shrubs - Página 20por Les Viereck - 2010 - 370 páginasVista previa limitada - Acerca de este libro
 | United States. Department of the Interior. Alaska Planning Group - 1974 - 748 páginas
...Clark. Standing water is almost always present in the summer, and in the northern parts of the proposal permafrost is close to the surface. Microrelief is...driest sites where the microrelief raises them above the standing water table. Extensive tidal sedge and grass marshes occur along the west side of Cook... | |
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