CHARACTERIZING SOIL ORGANIC MATTER IN ARCTIC TUNDRA SOILS BY DIFFERENT ANALYTICAL APPROACHES
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dc.contributor.author | Dai X.Y. | |
dc.contributor.author | Ping C.L. | |
dc.contributor.author | Michaelson G.J. | |
dc.date.accessioned | 2021-04-16T04:39:53Z | |
dc.date.available | 2021-04-16T04:39:53Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=919420 | |
dc.identifier.citation | Organic Geochemistry, 2002, 33, 4, 407-419 | |
dc.identifier.issn | 0146-6380 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/27874 | |
dc.description.abstract | Soil organic matter (SOM) of five soil horizons from Arctic tundra and one soil horizon from a temperate region was separated into an extractable fraction (EF) and a non-extractable fraction (NEF) by dilute alkali. The modified classical fractionation method was applied to characterize SOM in the EF; and the wet chemical fractionation scheme, cross-polarization magic angle spinning (CP-MAS) 13C NMR, and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) techniques were used to characterize SOM in the NEF. Each of these methods provides information on the chemical composition of SOM at varying angles. The NEF comprises a large amount of SOM in these arctic tundra soils and has great potential to influence carbon cycling in these ecosystems with climate warming. | |
dc.title | CHARACTERIZING SOIL ORGANIC MATTER IN ARCTIC TUNDRA SOILS BY DIFFERENT ANALYTICAL APPROACHES | |
dc.type | Статья |
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