USAP-DC

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Discrete bulk sediment properties data from Mercer Subglacial Lake Data DOI: https://doi.org/10.15784/601661 Cite as Dore, J., Campbell, T., Hawkings, J., Michaud, A., Science Team, S., Skidmore, M., et al. (2023) "Discrete bulk sediment properties data from Mercer Subglacial Lake" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601661. AMD - DIF Record(s) USAP-1543537_1 Abstract This dataset contains bulk sediment properties measurements from cores collected from Mercer Subglacial Lake by the SALSA project. Included are: physical properties (bulk density, mass water content, porosity, shear strength, particle size distribution, and mineralogy); carbon (inorganic and organic); iron (ascorbate- and dithionite-extractable); and sulfur (acid-volatile and chromium-reducible). Creator(s): Dore, John; Campbell, Timothy; Michaud, Alexander; Hawkings, Jon; Skidmore, Mark; Tranter, Martyn; Venturelli, Ryan A; Science Team, SALSA Date Created: 2023-02-01 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -149.50134, East: -149.50134, South: -84.640287, North: -84.640287 Temporal Extent(s) Start: 2018-12-30 - End: 2019-01-01 Award(s) NSF 1543537 Version: 1 Related Project(s) Collaborative Research: Subglacial Antarctic Lakes Scientific Access (SALSA): Integrated Study of Carbon Cycling in Hydrologically-active Subglacial Environments References Hawkings, J. R., Skidmore, M. L., Wadham, J. L., Priscu, J. C., Morton, P. L., … Hatton, J. E. (2020). Enhanced trace element mobilization by Earth’s ice sheets. Proceedings of the National Academy of Sciences, 117(50), 31648–31659. (doi:10.1073/pnas.2014378117) Priscu, J., Kalin, J., Winans, J., Campbell, T., Siegfried, M., Skidmore, M., . . . Elsworth, C. (2021). Scientific access into Mercer Subglacial Lake: Scientific objectives, drilling operations and initial observations. Annals of Glaciology, 62(85-86), 340-352. (doi:10.1017/aog.2021.10) Davis, C.L., Venturelli, R.A., Michaud, A.B. et al. Biogeochemical and historical drivers of microbial community composition and structure in sediments from Mercer Subglacial Lake, West Antarctica. ISME COMMUN. 3, 8 (2023). https://doi.org/10.1038/s43705-023-00216-w (doi:10.1038/s43705-023-00216-w) Keywords Antarctica Carbon Glacier Glaciers/ice Sheet Iron Mercer Subglacial Lake Mercer Subglacial Lake Mineralogy Particle Size Physical Properties SALSA Sediment Core Sulfur West Antarctic Ice Sheet