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  • PANGAEA  (5)
  • 2020-2024  (5)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Unknown
    CTD profiles from beneath Ekstroem Ice Shelf and Atka Bay (2020)
    PANGAEA
    Details
    Publication Date: 2024-01-30
    Description: CTD profiles of the water column beneath Ekstroem Ice Shelf and the adjacent Atka Bay. Ice shelf profiles were made through hot-water drilled access holes in the ice sheld and the profile in Atka Bay was taken through a sea-ice lead. All data were collected in the 2018/2019 Antarctic season, as part of the AWI-BGR Sub-EIS-Obs project, in order to investigate oceanographic properties of the water masses beneath and adjacent to the ice shelf.
    Keywords: ANT-Land_2018_Sub-EIS-Obs; AtkaBay-ab_20190108_1; AtkaBay-ab_20190108_2; AtkaBay-ab_20190108_3; AtkaBay-ab_20190108_4; Calculated; Conductivity; CTD; CTD, RBR, RBRConcerto C.T.D.; Date/Time of event; DEPTH, water; EIS-4b_20181204_0519_cut_1; EIS-4b_20181204_0519_cut_2; EIS-4i_20181204_1555_1; EIS-4i_20181204_1555_2; EIS-5b_20181209_1645_1; EIS-5b_20181209_1645_2; EIS-6_20181225_1; EIS-6_20181225_10; EIS-6_20181225_2; EIS-6_20181225_6; EIS-6_20181225_8; EIS-6_20181225_9; EIS7_20181228_1; EIS7_20181228_10; EIS7_20181228_2; EIS7_20181228_3; EIS7_20181228_4; EIS7_20181228_5; EIS7_20181228_6; EIS7_20181228_7; EIS7_20181228_8; EIS-8g_20190104_1441_1; EIS-8g_20190104_1441_2; Ekström; Elevation of event; Event label; Height above sea level; hot-water drilling; Ice shelf; Ice thickness; Latitude of event; Longitude of event; NEUMAYER III; oceanography; Pressure, water; RBR_CTD; Salinity; Temperature, water; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 91624 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Monthly mean Lagrangian basal melt rates at Ekström Ice Shelf, Antarctica between 2020 and 2022 (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-12
    Description: We estimated monthly mean basal melt rates in the Lagrangian frame from autonomous phase-sensitive radar (ApRES) measurements at the center of Ekström Ice Shelf, Antarctica (70.82°S, 8.73°W) between April 2020 and December 2022. The data we recorded with a measurement interval of one hour. Basal melt rates are based on the analysis of firn densification, strain thinning, and the change in ice thickness from the determination of vertical displacements. We calculated the mean basal melt rate as well as the standard deviation, and maximum for each month.
    Keywords: Antarctica; ANT-Land_2021_MIMO-EIS; ANT-Land_2022_MIMO-EIS; ANT-Land_2023_MIMO-EIS; ApRES; Autonomous phase-sensitive radio-echo sounder; Basal melt rates; DATE/TIME; EIS-8_ApRES_2020; EIS-8_ApRES_2021; EIS-8_ApRES_2022; Ekström; Ekström Ice Shelf; ice shelf basal melting; Melt rate; Melt rate, maximum; Melt rate, standard deviation; Monitoring Melt where Ice Meets Ocean; NEUMAYER III
    Type: Dataset
    Format: text/tab-separated-values, 99 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Seismic reflection data of a basal channel and ocean cavity at the ice shelf-grounding line area of Support Force Glacier, Filchner Ice Shelf, Antarctica (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Support Force Glacier (SFG) is a large ice stream feeding into the Filchner Ice Shelf. The active seismic survey is recorded at the sheet-shelf transition of SFG. We map the bed while grounded, the ocean cavity around a surface channel at the ice shelf and its counterpart at the base, the basal channel, and the seabed. The survey consists of 5 seismic reflection profiles, 2 along-flow profiles and 3 across-flow profiles. The 2.42GB seismic data were recorded with a 300 m long streamer consisting of 96 30Hz p-wave sensors. The sample rate is 0.5 ms, record length 3000 ms. The data is single fold, shot spacing is 150 m: line name: profile TC paper: direction: #shots: - 20170501 profile I along-flow 291 shots - 20170502 profile III across-flow 28 shots - 20170503 profile II along-flow 71 shots - 20170504 profile IV across-flow 40 shots - 20170506 profile V across-flow 50 shots Presented are for each line (20170501 used as example): - The raw shots: 20170501_RAW_SHOTS_EDITS_GEOM.segy - The Kirchhoff migrated and depth converted profiles: 20170501stat_TXmig_Zconv.segy - The shot x,y,z coordinates in longitude, latitude and surface height in meters above sea level (z, WGS84 ellipsoid): 20170501_GPS.txt
    Keywords: 300 m snow streamer with 96 gimballed 30 Hz vertical compressional wave (P-wave) sensors; ANT-Land_2016/17_FISP; AWI Antarctic Land Expedition; Binary Object; Binary Object (File Size); Event label; Filchner Ice Shelf Project; File content; FISP; FISP_2016-2017_20170501; FISP_2016-2017_20170502; FISP_2016-2017_20170503; FISP_2016-2017_20170504; FISP_2016-2017_20170506; Ice-shelf Channels; profile I; profile II; profile III; profile IV; profile V; Snow streamer; SSTREAM
    Type: Dataset
    Format: text/tab-separated-values, 54 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    FISP/FISS Filcher Ronne Ice Shelf cavity (Southern Weddell Sea, Antartcica) oceanographic mooring and ice shelf basal melt rate radar data from 2015 to 2019, processed and low-pass filtered (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Time series of multi-annual (2015-2019) in-situ measurements of ocean hydrography (temperature, salinity) and ocean current velocities from five hot-water borehole deployed moorings inside the Filchner Ronne Ice Shelf cavity (Southern Weddell Sea, Antartcica), and adjacent ice shelf basal melting radar data (ApRES). Instrument raw data that has been collected as part of the joint FISP (AWI) and FISS (BAS) project has been processed, low pass filtered and interpolated onto a common time axis for synoptic analysis presented in Observed interannual changes beneath Filchner-Ronne Ice Shelf linked to large scale atmospheric circulation by T. Hattermann et al. (accepted).
    Keywords: Filchner Ice Shelf Project; Filchner-Roenne_Ice_Shelf; FISP; Ice shelves in a warming world: Filchner Ice Shelf System; NERC_FISS
    Type: Dataset
    Format: application/zip, 9.6 MBytes
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Raw physical oceanography data beneath Filchner Ice Shelf (Southern Weddell Sea, Antarctica) from FISP/FISS moorings FSW1 and FSE2, July 2019 to January 2023 (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Sub-ice shelf ocean hydrography (temperature, salinity) data were recovered from moorings FSW1 and FSE2 on Filchner Ice Shelf during the FISP-Air airplane campaign in December 2022 - January 2023. Due to different technical failures, both moorings did not transmit their oceanographic data via iridium for several months/years. The sites were visited by plane and missing data were downloaded from a total of 11 SBE37IMP MicroCATs via the inductive modem tether. The downloaded data include the periods 01/2022 – 01/2023 (FSW1), 07/2019 – 10/2019 (FSE2), and 08/2020 – 01/2023 (also FSE2). The moorings were also successfully repaired in the field, and have since resumed sending their data via iridium again. The attached .zip file contains the original logfiles as recorded in the field (.cap files), selected auxiliary information, as well as a cleaned version of these data files. This sub-dataset will be merged with the existing time series since 2016 to yield a fully processed and quality-controlled dataset, which will be published separately. It was also planned to visit moorings FNE1 and FNE2, but these sites could not be reached due to challenging weather conditions. More campaign details are available in the attached field report. This data is part of the joint FISP (AWI) and FISS (BAS) projects.
    Keywords: AWI_PhyOce; Binary Object; Filchner Ice Shelf; Filchner Ice Shelf Project; File content; FISP; FSE2; FSW1; Ice shelves in a warming world: Filchner Ice Shelf System; MOOR; Mooring; NERC_FISS; Physical Oceanography @ AWI
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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