USAP-DC

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Shackleton Glacier region water-soluble salt isotopes Data DOI: https://doi.org/10.15784/601419 Cite as Diaz, M., Gardner, C. B., & Lyons, W. B. (2021) "Shackleton Glacier region water-soluble salt isotopes" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601419. AMD - DIF Record(s) USAP-1341736_1 Abstract Soil samples were collected from the Shackleton Glacier region, located in the Queen Maud Mountains during the 2017-2018 austral summer. A subset of 27 samples were analyzed for stable isotopes of S, N, C, and O in nitrate, sulfate, and (bi)carbonate. ). δ15N-NO3 values ranged from -47.8 to 20.4‰ and, while all Δ17O-NO3 values are positive, they ranged from 15.7 to 45.9‰. δ34S-SO4 and δ18O-SO4 values ranged from 12.5 and 17.9‰ and -14.5 to -7.1‰, respectively. Total inorganic carbon isotopes ((bi)carbonate) in bulk soil samples ranged from 0.2 to 8.5‰ for δ13C and -38.8 to -9.6‰ for δ18O. Creator(s): Diaz, Melisa A.; Lyons, W. Berry; Gardner, Christopher B. Date Created: 2021-01-02 Repository: USAP-DC (current) License: Creative Commons Zero v1.0 Universal [CC0 1.0] Spatial Extent(s) West: -177.3907, East: -174.1338, South: -85.48788333, North: -84.46466667 Temporal Extent(s) Start: 2018-01-10 - End: 2018-01-10 Award(s) NSF 1341631 NSF 1341736 Version: 1 Related Project(s) Collaborative Research: The Role of Glacial History on the Structure and Functioning of Ecological Communities in the Shackleton Glacier Region of the Transantarctic Mountains References Diaz, M. A., Li, J., Michalski, G., Darrah, T. H., Adams, B. J., Wall, D. H., Hogg, I. D., Fierer, N., Welch, S. A., Gardner, C. B. and Lyons, W. B.: Stable isotopes of nitrate, sulfate, and carbonate in soils from the Transantarctic Mountains, Antarctica: A record of atmospheric deposition and chemical weathering, Front. Earth Sci., 8(341), 2020. (doi:10.3389/feart.2020.00341) Keywords Antarctica Geochemistry Nitrate Shackleton Glacier Stable Isotopes Sulfate Transantarctic Mountains