MORPHOLOGY OF SOILS IN ALASKA, USA
Abstract
Three field tours were undertaken across Alaska from 2005-2007 in an effort to better document the diversity of soils and associated features contained therein. Input and interactions between the UDSA-NRCS, soil science academicians, and consulting soil scientists were vital to describing the soils observed. Specifically, ice lenses and veins in soils were observed in situ in permafrost throughout mid to northern Alaska. Excavation pits and cores taken along the Dalton Highway from Fairbanks to Deadhorse, AK were prime examples of permafrost, wet soils, etc. On the Arctic North Shore, polygon soil formation was documented in association with large ice wedges. Melting of the exposed permafrost was noted along the shoreline. Detailed soils mapping was performed in the Salcha-Big Delta agricultural region with a wide variety of soil classifications observed.
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