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  • Accumulation rate in ice equivalent per year; Age, 1D numerical model; Age density; BELDC_site; BE-OI; Beyond EPICA drill site; Beyond EPICA - Oldest Ice; DEPTH, ice/snow; Ice age; Ice age, uncertainty; MULT; Multiple investigations; Thinning function; Velocity, vertical  (2)
  • 2H25E-H25B; 2H30E-H30B; Antarctica; AV01B-AV01E_proc2; AV01E-RAID1_proc2; AV02E-AV02B_proc2; AV03B-AV03E_proc2; AV04E-AV04B_proc2; AV05B-AV05E_proc2; BE-OI; Beyond EPICA - Oldest Ice; BH01B-BH01BB_Proc2; BH01E-BH01B_proc2; BH03BB-BH03E_proc2; BH03B-BH03E_proc2; BH03E-RAID2_proc2; BH05E-BH05B_proc2; BH07B-BH07E_proc2; BH09E-BH09B_proc2; BH11B-BH11E_proc2; BH13E-BH13B_proc2; BH15E-BH15M_proc2; BH17M-BH17E_proc2; BH18B-BH18E_proc2; BH19E-BH19B_proc2; BH21B-BH21E_proc2; BH24B10-RAID2_proc2; BH24E-BH24B10_proc2; BH26BB-BH26E_proc2; BH28E-BH28BB_proc2; BH30BB-BH30E_proc2; BH31E-BH31B_proc; BH32E-BH32B10_proc2; BH33B-BH33E_proc; BH34E-BH34B10_proc2; BH36E-BH36B_proc2; BH37E-BH37B_proc2; BH38E-BH38B_proc2; BH39B-BH39E_proc2; BH40B-BH40E_proc2; BH41E-BH41B_proc2; BH42E-BH42B_proc2; BH43B-BH43E_proc2; BH43E-RAID2_proc2; BH45B-BH45E_proc; BH45E-RAID2_proc; BH47E-BH47B_proc; BV11B6-RAID2_proc2; BV11E-BV11B6_proc2; BV13B5-BV13E_proc2; BV15E-BV15B5_proc2; BV17B5-BV17E_proc2; BV19E-BV19B5_proc2; BV21B5-BV21E_proc2; BV23E-BV23B5_proc2; BV25B5-BV25E_proc2; BV25E-RAID2_proc2; BV26B-BV26E_proc2; BV26E-RAID2_proc2; BV27E-BV27B_proc2; BV28B-BV28E_proc2; BV30E-BV30B_proc2; BV32B-BV32E_proc2; BV34B-BV34E_proc2; BV34B-BV34E-2_proc2; BV36E-B_proc2; BV38B-E_proc2; BV40E-BV40B_proc2; BV42B-BV42E_proc2; BV44E-BV44B_proc2; BV46B-E_proc2; BV48E-BV48B_proc2; BV50B-BV50E_proc; BV52E-BV52B_proc; Calculated; CAT-ROUTE-DC_proc2; DC_LDC_DIVIDE; DC_LDCRAID_proc2; DC_PNV09B_proc2; DC-LDCRAID2_proc2; DEep LOoking Radio Echo Sounder; DELORES; DELORES_BAS(2016-17); DELORES_BAS(2017-18); Depth of internal reflection horizon, below ice surface; Distance; Dome C; Dome C, Antarctica; Event label; GPS_FLOW_LINE_proc2; HRA1-HRA2_proc2; HRA2-HRA3_proc2; HRA3-HRA4_proc2; HRA3-HRA5_proc2; HRA4-HRA6_proc2; HRA5-HRA6_proc2; HRA5-HRB6-2_proc2; HRA6-RAID2_proc2; HRA7-HRA8_proc2; HRB1-HRB2_proc2; HRB2-HRB3_proc2; HRB2-HRB7-2_proc2; HRB4-HRB5_proc2; HRB5-HRB2-2_proc2; HRB6-HRB3-2_proc2; HRB6-HRB7_proc2; HRB7-HRB8_proc2; HRB7-SUBCAMP_proc2; HRB8-RAID2_proc2; Internal Reflection Horizon; LATITUDE; LDCCAT-SUBCAMP_proc2; LDC-DC-PANO_proc2; LINK_ROUTE_proc2; LONGITUDE; PNH11B-PNH11E_proc2; PNH13E-PNH13B_proc2; PNH15B-DC_proc2; PNH15ETOB; PNH17B-PNH17E_proc2; PNH17BTOE; PNH19ETOB; PNH1B-DC_proc2; PNH1E-PNH1B_proc2; PNH21BTOE; PNH3B-PNH3E_proc2; PNH5E-PNH5B_proc2; PNH7B-PNH7E_proc2; PNH9E-PNH9B_proc2; PNV01BTOE; PNV03ETOB; PNV05BTOE; PNV07ETOB; PNV11___; PNV13___; PNV15___; PNV17___; PNV19___; PNV21B__; PNV21B-DC_proc2; radio echo sounding; RAID2-BH01B_proc2; RAID2-BH01E_proc2; RAID2-BH21B_proc2; RAID2-BH32E_proc2; RAID2-BH35B_proc2; RAID2-BH36E_proc2; RAID2-BV11E_proc2; RAID2-BV28B_proc2; RAID2-BV42B_proc2; RAID2-BV48E_proc2; RAID2-DCR210-BH16B_proc2; ROUTE4_proc2; ROUTE5_proc2; Sampling on land; Sledge-borne DEep LOoking Radio Echo Sounder; SOUTH_PATCH_FLOW_LINE_proc2; Two-way traveltime; V03E-2V03B; V18B-V18E; WEST_PATCH_FLOW_LINE_proc2  (1)
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  • 1
    Publication Date: 2024-03-18
    Description: This dataset consists of radar IRHs (internal reflecting horizons) which were traced across ice-penetrating radar surveys conducted between 2016 and 2018 over the Dome C region of the East Antarctic Plateau. The dataset is associated with the publication Chung et al. (2023). The data was collected during two radar surveys conducted in the Antarctic field seasons of 2016-17 and 2017-18 using the sledge-borne DEep LOoking Radio Echo Sounder (DELORES) from the British Antarctic Survey (BAS). The surveys covered two areas around Dome C which were identified as potential drill sites for the Beyond EPICA Oldest Ice drilling project - Little Dome C (LDC) and North Patch (NP). The LDC area is covered by a dense network of 116 radar transects, mostly organised as a grid, with denser data acquisition in areas of particular interest. At NP a grid of 21 radar transects were collected, covering an area of approximately 5×5 km^2. In this radar dataset, 20 IRHs and the ice-bed interface were manually traced, using the Petrel E&P Software Platform by Schlumberger. A single file for each IRH is provided in a .txt file, tab separated format with both two-way travel time and depth. The conversion done using c = 0.1685 m/us and firn correction of 10 m. The 20 IRHs are provided at 5 m along-track resolution.
    Keywords: 2H25E-H25B; 2H30E-H30B; Antarctica; AV01B-AV01E_proc2; AV01E-RAID1_proc2; AV02E-AV02B_proc2; AV03B-AV03E_proc2; AV04E-AV04B_proc2; AV05B-AV05E_proc2; BE-OI; Beyond EPICA - Oldest Ice; BH01B-BH01BB_Proc2; BH01E-BH01B_proc2; BH03BB-BH03E_proc2; BH03B-BH03E_proc2; BH03E-RAID2_proc2; BH05E-BH05B_proc2; BH07B-BH07E_proc2; BH09E-BH09B_proc2; BH11B-BH11E_proc2; BH13E-BH13B_proc2; BH15E-BH15M_proc2; BH17M-BH17E_proc2; BH18B-BH18E_proc2; BH19E-BH19B_proc2; BH21B-BH21E_proc2; BH24B10-RAID2_proc2; BH24E-BH24B10_proc2; BH26BB-BH26E_proc2; BH28E-BH28BB_proc2; BH30BB-BH30E_proc2; BH31E-BH31B_proc; BH32E-BH32B10_proc2; BH33B-BH33E_proc; BH34E-BH34B10_proc2; BH36E-BH36B_proc2; BH37E-BH37B_proc2; BH38E-BH38B_proc2; BH39B-BH39E_proc2; BH40B-BH40E_proc2; BH41E-BH41B_proc2; BH42E-BH42B_proc2; BH43B-BH43E_proc2; BH43E-RAID2_proc2; BH45B-BH45E_proc; BH45E-RAID2_proc; BH47E-BH47B_proc; BV11B6-RAID2_proc2; BV11E-BV11B6_proc2; BV13B5-BV13E_proc2; BV15E-BV15B5_proc2; BV17B5-BV17E_proc2; BV19E-BV19B5_proc2; BV21B5-BV21E_proc2; BV23E-BV23B5_proc2; BV25B5-BV25E_proc2; BV25E-RAID2_proc2; BV26B-BV26E_proc2; BV26E-RAID2_proc2; BV27E-BV27B_proc2; BV28B-BV28E_proc2; BV30E-BV30B_proc2; BV32B-BV32E_proc2; BV34B-BV34E_proc2; BV34B-BV34E-2_proc2; BV36E-B_proc2; BV38B-E_proc2; BV40E-BV40B_proc2; BV42B-BV42E_proc2; BV44E-BV44B_proc2; BV46B-E_proc2; BV48E-BV48B_proc2; BV50B-BV50E_proc; BV52E-BV52B_proc; Calculated; CAT-ROUTE-DC_proc2; DC_LDC_DIVIDE; DC_LDCRAID_proc2; DC_PNV09B_proc2; DC-LDCRAID2_proc2; DEep LOoking Radio Echo Sounder; DELORES; DELORES_BAS(2016-17); DELORES_BAS(2017-18); Depth of internal reflection horizon, below ice surface; Distance; Dome C; Dome C, Antarctica; Event label; GPS_FLOW_LINE_proc2; HRA1-HRA2_proc2; HRA2-HRA3_proc2; HRA3-HRA4_proc2; HRA3-HRA5_proc2; HRA4-HRA6_proc2; HRA5-HRA6_proc2; HRA5-HRB6-2_proc2; HRA6-RAID2_proc2; HRA7-HRA8_proc2; HRB1-HRB2_proc2; HRB2-HRB3_proc2; HRB2-HRB7-2_proc2; HRB4-HRB5_proc2; HRB5-HRB2-2_proc2; HRB6-HRB3-2_proc2; HRB6-HRB7_proc2; HRB7-HRB8_proc2; HRB7-SUBCAMP_proc2; HRB8-RAID2_proc2; Internal Reflection Horizon; LATITUDE; LDCCAT-SUBCAMP_proc2; LDC-DC-PANO_proc2; LINK_ROUTE_proc2; LONGITUDE; PNH11B-PNH11E_proc2; PNH13E-PNH13B_proc2; PNH15B-DC_proc2; PNH15ETOB; PNH17B-PNH17E_proc2; PNH17BTOE; PNH19ETOB; PNH1B-DC_proc2; PNH1E-PNH1B_proc2; PNH21BTOE; PNH3B-PNH3E_proc2; PNH5E-PNH5B_proc2; PNH7B-PNH7E_proc2; PNH9E-PNH9B_proc2; PNV01BTOE; PNV03ETOB; PNV05BTOE; PNV07ETOB; PNV11___; PNV13___; PNV15___; PNV17___; PNV19___; PNV21B__; PNV21B-DC_proc2; radio echo sounding; RAID2-BH01B_proc2; RAID2-BH01E_proc2; RAID2-BH21B_proc2; RAID2-BH32E_proc2; RAID2-BH35B_proc2; RAID2-BH36E_proc2; RAID2-BV11E_proc2; RAID2-BV28B_proc2; RAID2-BV42B_proc2; RAID2-BV48E_proc2; RAID2-DCR210-BH16B_proc2; ROUTE4_proc2; ROUTE5_proc2; Sampling on land; Sledge-borne DEep LOoking Radio Echo Sounder; SOUTH_PATCH_FLOW_LINE_proc2; Two-way traveltime; V03E-2V03B; V18B-V18E; WEST_PATCH_FLOW_LINE_proc2
    Type: Dataset
    Format: text/tab-separated-values, 732252 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-05-01
    Description: We used a 1D numerical model constrained by radar horizons to find the age-depth profile at the European Beyond EPICA - Oldest Ice project drill site (BELDC; 75.29917 °S, 122.44516 °E) on Little Dome C (LDC), Antarctica. Further details on the model can be found in the associated publication: Chung et al., 2023 (The Cryosphere). The model was constrained by 20 horizons from the radar survey conducted over the Dome C region conducted by the British Antarctic Survey over the 2016-17 and 2017-18 Antarctic field seasons using the sledge-borne DEep LOoking Radio Echo Sounder (DELORES; Mulvaney et al., 2023). The age-depth profile extends to the deepest point where modelled age density 〈 20 ka/m - the threshold for which a paleoclimatic signal can reasonably be extracted.
    Keywords: Accumulation rate in ice equivalent per year; Age, 1D numerical model; Age density; BELDC_site; BE-OI; Beyond EPICA drill site; Beyond EPICA - Oldest Ice; DEPTH, ice/snow; Ice age; Ice age, uncertainty; MULT; Multiple investigations; Thinning function; Velocity, vertical
    Type: Dataset
    Format: text/tab-separated-values, 5316 data points
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2024-05-01
    Description: We used a 1D numerical model constrained by radar horizons to find the age-depth profile at the European Beyond EPICA - Oldest Ice project drill site (BELDC; 75.29917 °S, 122.44516 °E) on Little Dome C (LDC), Antarctica. Further details on the model can be found in the associated publication: Chung et al., 2023 (The Cryosphere). The model was constrained by 19 horizons from the radar survey conducted during the 2019-20 Antarctic field season in a collaboration between the University of Alabama (UA), the University of Copenhagen (CPH) and the Alfred Wegener Institute (AWI), using the Little Dome C-Very High Frequency radar system (LDC-VHF; Chung et al., 2023, PANGAEA).. The age-depth profile extends to the deepest point where modelled age density 〈 20 ka/m - the threshold for which a paleoclimatic signal can reasonably be extracted.
    Keywords: Accumulation rate in ice equivalent per year; Age, 1D numerical model; Age density; BELDC_site; BE-OI; Beyond EPICA drill site; Beyond EPICA - Oldest Ice; DEPTH, ice/snow; Ice age; Ice age, uncertainty; MULT; Multiple investigations; Thinning function; Velocity, vertical
    Type: Dataset
    Format: text/tab-separated-values, 5268 data points
    Location Call Number Limitation Availability
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