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Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents
Research datakeyboard_double_arrow_right Dataset , Other dataset type 2018 English PANGAEA NSERC, EC | Nunataryuk
Authors: Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; +1 Authors
Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; Fritz, Michael;
doi: 10.1594/pangaea.884689
doi: 10.1594/pangaea.884689
Narrowing uncertainties about carbon cycling is important in the Arctic where rapid environmental changes contribute to enhanced mobilization of carbon. Here we quantify soil organic carbon (SOC) contents of permafrost soils along the Yukon Coastal Plain and determine the annual fluxes from erosion. Different terrain units are assessed based on surficial geology, morphology, and ground ice conditions. To account for the volume of wedge ice and massive ice in a unit, sample SOC contents are reduced by 19% and sediment contents by 16%. The SOC content in a 1 m**2 column of soil varies according to the height of the bluff, ranging from 30 to 662 kg, with a mean value of 183 kg. Forty-four per cent of the SOC is within the top 1 m of soil and values vary based on surficial materials, ranging from 30 to 53 kg C/m**3, with a mean of 41 kg. Eighty per cent of the shoreline is erosive with a mean annual rate of change is 0.7 m/a. This results in a SOC flux per meter of shoreline of 131 kg C/m/a, and a total flux for the entire Yukon coast of 35.5 10**6 kg C/a (0.036 Tg C/a). The mean flux of sediment per meter of shoreline is 5.3 10**3 kg/m/a, with a total flux of 1,832.0 10**6 kg/a (1.832 Tg/a). Sedimentation rates indicate that approximately 13% of the eroded carbon is sequestered in nearshore sediments, where the overwhelming majority of organic carbon is of terrestrial origin. Supplement to: Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; Fritz, Michael (2018): Coastal Erosion of Permafrost Soils Along the Yukon Coastal Plain and Fluxes of Organic Carbon to the Canadian Beaufort Sea. Journal of Geophysical Research: Biogeosciences
PANGAEA - Data Publi...arrow_drop_down
PANGAEA - Data Publisher for Earth and Environmental Science
Dataset . 2018
License: http://creativecommons.org/licenses/by/3.0/
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PANGAEA
Dataset . 2018
Data sources: B2FIND
PANGAEA - Data Publisher for Earth and Environmental Science
Other dataset type . 2018
License: https://creativecommons.org/licenses/by/3.0/legalcode
Data sources: Datacite
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PANGAEA - Data Publi...arrow_drop_down
PANGAEA - Data Publisher for Earth and Environmental Science
Dataset . 2018
License: http://creativecommons.org/licenses/by/3.0/
Data sources: PANGAEA - Data Publisher for Earth and Environmental Science
PANGAEA
Dataset . 2018
Data sources: B2FIND
PANGAEA - Data Publisher for Earth and Environmental Science
Other dataset type . 2018
License: https://creativecommons.org/licenses/by/3.0/legalcode
Data sources: Datacite
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1 Research products

Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents
Research datakeyboard_double_arrow_right Dataset , Other dataset type 2018 English PANGAEA NSERC, EC | Nunataryuk
Authors: Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; +1 Authors
Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; Fritz, Michael;
doi: 10.1594/pangaea.884689
doi: 10.1594/pangaea.884689
Narrowing uncertainties about carbon cycling is important in the Arctic where rapid environmental changes contribute to enhanced mobilization of carbon. Here we quantify soil organic carbon (SOC) contents of permafrost soils along the Yukon Coastal Plain and determine the annual fluxes from erosion. Different terrain units are assessed based on surficial geology, morphology, and ground ice conditions. To account for the volume of wedge ice and massive ice in a unit, sample SOC contents are reduced by 19% and sediment contents by 16%. The SOC content in a 1 m**2 column of soil varies according to the height of the bluff, ranging from 30 to 662 kg, with a mean value of 183 kg. Forty-four per cent of the SOC is within the top 1 m of soil and values vary based on surficial materials, ranging from 30 to 53 kg C/m**3, with a mean of 41 kg. Eighty per cent of the shoreline is erosive with a mean annual rate of change is 0.7 m/a. This results in a SOC flux per meter of shoreline of 131 kg C/m/a, and a total flux for the entire Yukon coast of 35.5 10**6 kg C/a (0.036 Tg C/a). The mean flux of sediment per meter of shoreline is 5.3 10**3 kg/m/a, with a total flux of 1,832.0 10**6 kg/a (1.832 Tg/a). Sedimentation rates indicate that approximately 13% of the eroded carbon is sequestered in nearshore sediments, where the overwhelming majority of organic carbon is of terrestrial origin. Supplement to: Couture, Nicole; Irrgang, Anna Maria; Pollard, Wayne H; Lantuit, Hugues; Fritz, Michael (2018): Coastal Erosion of Permafrost Soils Along the Yukon Coastal Plain and Fluxes of Organic Carbon to the Canadian Beaufort Sea. Journal of Geophysical Research: Biogeosciences
PANGAEA - Data Publi...arrow_drop_down
PANGAEA - Data Publisher for Earth and Environmental Science
Dataset . 2018
License: http://creativecommons.org/licenses/by/3.0/
Data sources: PANGAEA - Data Publisher for Earth and Environmental Science
PANGAEA
Dataset . 2018
Data sources: B2FIND
PANGAEA - Data Publisher for Earth and Environmental Science
Other dataset type . 2018
License: https://creativecommons.org/licenses/by/3.0/legalcode
Data sources: Datacite
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citeCite
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Please grant OpenAIRE to access and update your ORCID works.
This Research product is the result of merged Research products in OpenAIRE.

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This Research product is the result of merged Research products in OpenAIRE.

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PANGAEA - Data Publi...arrow_drop_down
PANGAEA - Data Publisher for Earth and Environmental Science
Dataset . 2018
License: http://creativecommons.org/licenses/by/3.0/
Data sources: PANGAEA - Data Publisher for Earth and Environmental Science
PANGAEA
Dataset . 2018
Data sources: B2FIND
PANGAEA - Data Publisher for Earth and Environmental Science
Other dataset type . 2018
License: https://creativecommons.org/licenses/by/3.0/legalcode
Data sources: Datacite
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citeCite
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Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents

Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents

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Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents

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Soil organic carbon (SOC) and sediment contents and fluxes for terrain units along the Yukon Coastal Plain, Canada, including corrections for volumetric ground ice contents

Research data
Other dataset type
European Commission
CA
PANGAEA
Rural Digital Europe