USAP-DC

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Deep ICE (DICE) Radar Dataset from Ross Ice Shelf (ROSETTA-Ice) Data DOI: https://doi.org/10.15784/601789 Cite as Frearson, N., Dhakal, T., Bertinato, C., Chu, W., Das, I., Cordero, I., Bell, R., et al. (2024) "Deep ICE (DICE) Radar Dataset from Ross Ice Shelf (ROSETTA-Ice)" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None. AMD - DIF Record(s) USAP-1444690_1 Abstract This dataset is the Deep ICE (DICE) radar from the ROSETTA-Ice Project, which took place during the austral summers of November 2015 - December 2017. Data was collected along the ROSETTA-Ice Survey Grid where possible. DICE is a dual channel, pulse-chirp depth sounding radar system on board the IcePod. This configuration means that the data can be processed in four pulse/channel configurations: 1usCh1, 3usCh1, 1usCh2, and 3usCh2. The preferred configuration for layer interpretation and data analyses is the 3usCh1 DICE, which is what is archived here. Additional detail is included in the ReadMe, including flight lines with data loss. This data was processed at Lamont-Doherty Earth Observatory using MATLAB scripts developed in-house by Tejendra Dhakal, Chris Bertinato, and Nicholas Frearson using CReSIS 2014 MCoRDS scripts as a foundation. As such, all processed levels of this data product are MAT-files. Included in this dataset are the following: * DICE level2a 3usCh1 data as MAT-files, separated by ROSETTA-Ice Survey Grid Line Number * DICE Ice Base digitization picks, rendered using traditional MATLAB picking script * DICE IceBase digitization frame-by-frame picks and images (picked and un-picked) as JPGs output from picking process Creator(s): Cordero, Isabel; Frearson, Nicholas; Dhakal, Tejendra; Bertinato, Christopher; Millstein, Joanna; Wilner, Joel; Dong, LingLing; Das, Indrani; Spergel, Julian; Chu, Winnie; Bell, Robin Date Created: 2024-05-20 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: 161, East: -150, South: -86, North: -77 Temporal Extent(s) Start: 2015-11-09 - End: 2017-12-09 Award(s) NSF 0958658 NSF 1443534 NSF 1444690 Version: 1 Related Project(s) Development of an Ice Imaging System for Monitoring Changing Ice Sheets Mounted on the NYANG LC-130 Collaborative Research: Uncovering the Ross Ocean and Ice Shelf Environment and Tectonic setting Through Aerogeophysical Surveys and Modeling (ROSETTA-ICE) References Tinto, K.J., Padman, L., Siddoway, C.S. et al. Ross Ice Shelf response to climate driven by the tectonic imprint on seafloor bathymetry. Nat. Geosci. 12, 441–449 (2019). (doi:10.1038/s41561-019-0370-2) Das, I., Padman, L., Bell, R. E., Fricker, H. A., Tinto, K. J., Hulbe, C. L., et al ( 2020). Multi‐decadal basal melt rates and structure of the Ross Ice Shelf, Antarctica using airborne ice penetrating radar. Journal of Geophysical Research: Earth Surface, 125 (doi:10.1029/2019JF005241) Boghosian, A. L., Pratt, M. J., Becker, M. K., Cordero, S. I., Dhakal, T., Kingslake, J., … Bell, R. E. (2019). Inside the ice shelf: using augmented reality to visualise 3D lidar and radar data of Antarctica. The Photogrammetric Record, 34(168), 346–364. (doi:10.1111/phor.12298) Das, I., Bell, R., Cordero, I., Dhakal, T., Frearson, N., Fricker, H., et al. (2020) "Basal Melt, Ice thickness and structure of the Ross Ice Shelf using airborne radar data" U.S. Antarctic Program (USAP) Data Center. (doi:10.15784/601242) Keywords Airborne Radar Antarctica Cryosphere Ice Thickness Remote Sensing Ross Ice Shelf