Intact polar lipid fatty acids carbon isotopic composition of sediment core YC22_MR_7 off Herschel island (Yukon Coast 2022)

In July 2022 within the framework of an Alfred-Wegener-Institute-managed expedition and the Nunataryuk project, sediment core YC22_MR_7 was taken off the coast of Herschel Island, Canada, using a hand corer. Data sets were obtained to investigate carbon feedback from the sediments to the water colum...

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Bibliographic Details
Main Authors: Ruben, Manuel Jannis, Mollenhauer, Gesine
Format: Dataset
Language:English
Published: PANGAEA 2024
Subjects:
AWI Arctic Land Expedition
CA-Land_2022_YukonCoast
CA-Land_2022_YukonCoast_MR_7
DEPTH
sediment/rock
standard deviation
Fatty acid methyl ester
compound
compound specific
δ13C
Fraction modern carbon
Hand corer
HCOR
Herschel Island
Yukon Territory
Canada
NUNATARYUK
Permafrost thaw and the changing Arctic coast
science for socioeconomic adaptation
Sample ID
YC22_MR_7
Yukon Coast 2022
Arctic
Yukon
Alfred Wegener Institute
Herschel
permafrost
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.966264
https://doi.org/10.1594/PANGAEA.966264
Description
Summary:In July 2022 within the framework of an Alfred-Wegener-Institute-managed expedition and the Nunataryuk project, sediment core YC22_MR_7 was taken off the coast of Herschel Island, Canada, using a hand corer. Data sets were obtained to investigate carbon feedback from the sediments to the water column and atmosphere, using DIC concentrations and isotopic values. The local sediments are supplied primarily by organic carbon previously stored in adjacent permafrost soils (biomarker and bulk data), which erode and redeposit quickly (age model) on the ocean floor. Intact polar lipid fatty acids were extracted from the sediments, purified, and 14C analysis was performed as described in Ruben et al. (2023). The 13C isotopy was determined with GC-IRMS (Elvert et al., 2003).

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