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Characterization of permafrost development by isotopic and chemical analysis of soil cores taken from the copper river basin and an upland loess deposit in interior Alaska

Dates

Year
2012

Citation

Oliver, Lola Kay, 2012, Characterization of permafrost development by isotopic and chemical analysis of soil cores taken from the copper river basin and an upland loess deposit in interior Alaska: University of Alaska Fairbanks.

Summary

Chemical and isotopic analyses of pore water from permafrost cores taken from the dry lake bed of ancient Lake Atna in the Copper River Basin and from an upland loess deposit northeast of Fairbanks, Alaska reveal information about the local past environments not available by other means. Thawed core samples from both sites were analyzed for δ 18 O and δD values using an isotope ratio mass spectrometer. Water content was determined as well, and subsamples of the cores were analyzed for nitrogen and carbon content. Water extracts of the core samples were analyzed for cations (Ca, Mg, K and Fe), as well as pH, electrical conductivity, and bicarbonate. Magnetic susceptibility was determined on samples from the Fairbanks site. Data from [...]

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Reference Item
3397 record import test
Reference File
NWBLCC-20160406.xml

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