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Some characteristics of forest-tundra (West Siberia) soil groups distinguished on the basis of thermal properties

Publication date: 02.2014

Geographical Studies, 2013 , Issue 135, pp. 73-86

https://doi.org/10.4467/20833113PG.13.024.1552

Authors

,
Victor Valdayskikh
Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia
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,
Olga Nekrasova
Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia
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,
Jean Jouzel
Institut Pierre Simon Laplace, Saclay, CEA-CNRS-UVSQ Laboratoire des Sciences du Climat CEA Saclay, 91191, Gif/Yvette, France
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,
Anton Uchaev
Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia
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Tatiana Radchenko
Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia
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Titles

Some characteristics of forest-tundra (West Siberia) soil groups distinguished on the basis of thermal properties

Abstract

This paper contains the results of the forest-tundra soils studying. The key sites were situated on the permafrost territory, which is under scrutiny in connection with the global climate changes. The soil position in landscape, parent rock texture, vegetation conditions and thickness of organic horizons were taken into account. On the base of seasonal thawing or active layer depth measurements and soil temperature vertical gradients calculating, four main soil groups which are different in their thermal properties were identified. The physical-chemistry properties are rather close in various soil types. Similarities in the profile distribution of humus fractions are also revealed in the soil humus formed under different conditions. Despite of estimated relatively low level of carbon stocks in forest-tundra soils, half of them exist in mobile humus forms, which are less stable.  ata on the soil thermal regime types and stocks of different humus forms in soils of various conditions are useful  or long-term forecasting of soil status.

References

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Information

Information: Geographical Studies, 2013 , Issue 135, pp. 73-86

Article type: Original article

Authors

Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia

Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia

Institut Pierre Simon Laplace, Saclay, CEA-CNRS-UVSQ Laboratoire des Sciences du Climat CEA Saclay, 91191, Gif/Yvette, France

Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia

Ural Federal University,Lenin Ave. 51, Ekaterinburg, 620000, Russia

Published at: 02.2014

Article status: Open

Licence: None

Percentage share of authors:

Victor Valdayskikh (Author) - 20%
Olga Nekrasova (Author) - 20%
Jean Jouzel (Author) - 20%
Anton Uchaev (Author) - 20%
Tatiana Radchenko (Author) - 20%

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Some characteristics of forest-tundra (West Siberia) soil groups distinguished on the basis of thermal properties

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