USAP-DC

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Icefin and hydrographic profile data, and noble gas water samples from the Kamb Ice Stream subglacial channel cavity Cite as Washam, P., & Schmidt, B. E. (2025) "Icefin and hydrographic profile data, and noble gas water samples from the Kamb Ice Stream subglacial channel cavity " U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None. Abstract The data sets archived here come from a subglacial channel beneath the Kamb Ice Stream at 152.29°W, 82.47°S. They consist of one dive with the Icefin underwater vehicle, vertical profiles from a conductivity-temperature-data (CTD) profiler, lowered acoustic altimeter, and acoustic doppler current profiler, and seven discrete water samples that were analyzed for noble gas concentrations and helium isotope ratios. There are additional noble gas concentrations and helium isotope ratios from water samples collected at the Whillans Ice Stream at the WISSARD site (163.67°W, 84.33°S) and the Ross Ice Shelf front. These data have the associated hydrographic information enclosed in each file. Creator(s): Washam, Peter; Schmidt, Britney Date Created: 2026-02-17 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -152.29, East: -152.28, South: -82.47, North: -82.46 Temporal Extent(s) Start: 2021-12-30 - End: 2022-01-09 Award(s) NSF 2152742 Version: 2 Related Project(s) Unravelling the Role of Subglacial Channels in Ice Stream Evolution Keywords Antarctica Antarctica Bathymetry Cryosphere Glacial Volcanism Glaciers/ice Sheet Ice Shelf Ice-Shelf Basal Melting Noble Gas Noble Gas Isotopes Ross Ice Shelf Subglacial Hydrology Temperature Video Data