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Humic acids isolated from selected soils from the russian arctic and antarctic : Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy. / Polyakov, Vyacheslav; Abakumov, Evgeny V.

In: Geosciences (Switzerland), Vol. 10, No. 1, 15, 01.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Polyakov, V & Abakumov, EV 2020, 'Humic acids isolated from selected soils from the russian arctic and antarctic: Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy', Geosciences (Switzerland), vol. 10, no. 1, 15. https://doi.org/10.3390/geosciences10010015

APA

Polyakov, V., & Abakumov, E. V. (2020). Humic acids isolated from selected soils from the russian arctic and antarctic: Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy. Geosciences (Switzerland), 10(1), [15]. https://doi.org/10.3390/geosciences10010015

Vancouver

Polyakov V, Abakumov EV. Humic acids isolated from selected soils from the russian arctic and antarctic: Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy. Geosciences (Switzerland). 2020 Jan;10(1). 15. https://doi.org/10.3390/geosciences10010015

Author

Polyakov, Vyacheslav ; Abakumov, Evgeny V. / Humic acids isolated from selected soils from the russian arctic and antarctic : Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy. In: Geosciences (Switzerland). 2020 ; Vol. 10, No. 1.

BibTeX

@article{54d8586ac24f4d5caf2ffed6b9ca4ac5,
title = "Humic acids isolated from selected soils from the russian arctic and antarctic: Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy",
abstract = "Here we describe the molecular composition and resistance to decomposition of humic acids isolated from selected soils of the Russian Arctic and Antarctic. The degree of soil organic matter stabilization was assessed using modern instrumental methods: nuclear magnetic resonance spectroscopy (cross peak magic-angle spinning (CP/MAS)13C-NMR and1H-13C heteronuclear-correlation (HETCOR)). Analysis of the humic acids showed that aromatic compounds prevail in the organic matter formed in cryoconites, located on the surfaces of the glaciers. The predominance of aliphatic fragments is revealed in the soils of the Yamal peninsula and Antarctica. This could be caused by sedimentation of fresh organic matter exhibiting low decomposition stage due to the severe climate and processes of hydrogenation in the humic acids, destruction of the C-C bonds, and formation of chains with high hydrogen content. These processes result in formation of aliphatic fragments in the humic acids.",
keywords = "Cryoconite, Cryosol, Molecular composition, Ornitogenic soil, Permafrost-affected soils, permafrost-affected soils, PERMAFROST, CARBON, molecular composition, cryosol, ornitogenic soil, LENA RIVER DELTA, ORGANIC-MATTER, CLIMATE-CHANGE, SUBSTANCES, MOLECULAR COMPOSITION, TUNDRA SOILS, RESPIRATION, ELEMENTAL COMPOSITION, cryoconite",
author = "Vyacheslav Polyakov and Abakumov, {Evgeny V.}",
year = "2020",
month = jan,
doi = "10.3390/geosciences10010015",
language = "English",
volume = "10",
journal = "Geosciences (Switzerland)",
issn = "2076-3263",
publisher = "MDPI AG",
number = "1",

}

RIS

TY - JOUR

T1 - Humic acids isolated from selected soils from the russian arctic and antarctic

T2 - Characterization by two-dimensional1H-13C HETCOR and13C CP/Mas NMR spectroscopy

AU - Polyakov, Vyacheslav

AU - Abakumov, Evgeny V.

PY - 2020/1

Y1 - 2020/1

N2 - Here we describe the molecular composition and resistance to decomposition of humic acids isolated from selected soils of the Russian Arctic and Antarctic. The degree of soil organic matter stabilization was assessed using modern instrumental methods: nuclear magnetic resonance spectroscopy (cross peak magic-angle spinning (CP/MAS)13C-NMR and1H-13C heteronuclear-correlation (HETCOR)). Analysis of the humic acids showed that aromatic compounds prevail in the organic matter formed in cryoconites, located on the surfaces of the glaciers. The predominance of aliphatic fragments is revealed in the soils of the Yamal peninsula and Antarctica. This could be caused by sedimentation of fresh organic matter exhibiting low decomposition stage due to the severe climate and processes of hydrogenation in the humic acids, destruction of the C-C bonds, and formation of chains with high hydrogen content. These processes result in formation of aliphatic fragments in the humic acids.

AB - Here we describe the molecular composition and resistance to decomposition of humic acids isolated from selected soils of the Russian Arctic and Antarctic. The degree of soil organic matter stabilization was assessed using modern instrumental methods: nuclear magnetic resonance spectroscopy (cross peak magic-angle spinning (CP/MAS)13C-NMR and1H-13C heteronuclear-correlation (HETCOR)). Analysis of the humic acids showed that aromatic compounds prevail in the organic matter formed in cryoconites, located on the surfaces of the glaciers. The predominance of aliphatic fragments is revealed in the soils of the Yamal peninsula and Antarctica. This could be caused by sedimentation of fresh organic matter exhibiting low decomposition stage due to the severe climate and processes of hydrogenation in the humic acids, destruction of the C-C bonds, and formation of chains with high hydrogen content. These processes result in formation of aliphatic fragments in the humic acids.

KW - Cryoconite

KW - Cryosol

KW - Molecular composition

KW - Ornitogenic soil

KW - Permafrost-affected soils

KW - permafrost-affected soils

KW - PERMAFROST

KW - CARBON

KW - molecular composition

KW - cryosol

KW - ornitogenic soil

KW - LENA RIVER DELTA

KW - ORGANIC-MATTER

KW - CLIMATE-CHANGE

KW - SUBSTANCES

KW - MOLECULAR COMPOSITION

KW - TUNDRA SOILS

KW - RESPIRATION

KW - ELEMENTAL COMPOSITION

KW - cryoconite

UR - http://www.scopus.com/inward/record.url?scp=85078606246&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/be03b5be-0595-3837-9abf-e667ecc8f054/

U2 - 10.3390/geosciences10010015

DO - 10.3390/geosciences10010015

M3 - Article

AN - SCOPUS:85078606246

VL - 10

JO - Geosciences (Switzerland)

JF - Geosciences (Switzerland)

SN - 2076-3263

IS - 1

M1 - 15

ER -

ID: 51416593