414050f5-6dce-48ad-9509-c6b260edefb0 urn:uuid Antarctica New Zealand AdminTeam@antarcticanz.govt.nz 2024-09-02T01:10:34.455Z 2024-09-02T01:02:09.696Z 2024-09-02T00:51:13.257Z 2024-09-02T00:11:45.478Z 2026-03-25T21:38:43.445Z 2023-08-13T22:52:18 ISO 19115-1 2018 https://doi.org/10.1594/PANGAEA.968704 Late spring 2018 land-fast sea ice and sub-ice platelet layer thicknesses from electromagnetic induction soundings along transect West-East-EM-Transect_20181109 in McMurdo Sound, Antarctica 2024-06-20T05:30:00 2024-06-20T05:30:00+00:00 https://doi.org/10.1594/PANGAEA.968704 Ground-based electromagnetic induction (EM) measurements of land-fast sea ice and sub-ice platelet layer (SIPL) thickness distributions were carried out in McMurdo Sound, Antarctica in late spring (November 1-19) of 2018. Repeated west to east EM transects were carried out across McMurdo Sound along latitude 77.767°S. The EM data was acquired using a frequency-domain Geonics Ltd EM31-MK2 instrument mounted on a sledge and towed by skidoo. The thicknesses of consolidated ice (sea ice plus the snow layer) and the sub-ice platelet layer were simultaneously retrieved from the EM31 measured response using forward modelling and inversion methods of Irvin (2018). Variability in EM thicknesses detected significant growth of sub-ice platelet layer over the 18-day survey period (Brett et al., 2024). Related publication: Brett, G. M., Leonard, G. H., Rack, W., Haas, C., Langhorne, P. J., Robinson, N. J., and Irvin, A.: Seasonal and diurnal variability of sub-ice platelet layer thickness in McMurdo Sound from electromagnetic induction sounding, The Cryosphere, 18, 3049–3066, https://doi.org/10.5194/tc-18-3049-2024, 2024. Brett, Gemma Marie. gemma.brett@canterbury.ac.nz ORCid Leonard, Gregory H. gregory.leonard@otago.ac.nz ORCid Rack, Wolfgang. wolfgang.rack@canterbury.ac.nz ORCid Irvin, Anne. 4anne.irvin@gmail.com ORCid Haas, Christian. christian.haas@awi.de ORCid Langhorne, Patricia J. pat.langhorne@otago.ac.nz ORCid PANGAEA info@pangaea.de geoscientificInformation oceans 164.80 165.2079 -77.7688 -77.7647 2018-11-09 2018-11-09 2024-09-02T12:13:45 First commit https://antcat.antarcticanz.govt.nz/geonetwork/srv/api/records/414050f5-6dce-48ad-9509-c6b260edefb0/attachments/414050f5-6dce-48ad-9509-c6b260edefb0.png ELECTROMAGNETIC INDUCTION K063A K066A SUB-ICE PLATELET LAYER SEA ICE SEA ICE DYNAMICS FREEBOARD SNOW DEPTH ICE DEPTH/THICKNESS ICE TYPES GCMD Earth Science and Earth Science Services Keywords 2025-07-10 2025-07-10 geonetwork.thesaurus.external.theme.ardc-curated_gcmd-sciencekeywords_20-2-2024-12-17 GCMD Earth Science and Earth Science Services Keywords https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords sciencekeywords https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords Water-based Platforms GCMD Platform/Sources Keywords 2025-07-10 2025-07-10 geonetwork.thesaurus.external.platform.ardc-curated_gcmd-platforms_20-2-2024-12-17 GCMD Platform/Sources Keywords https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms platforms https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms ANTARCTICA MCMURDO SOUND GCMD Locations Keywords 2025-07-10 2025-07-10 geonetwork.thesaurus.external.place.ardc-curated_gcmd-locations_20-2-2024-12-13(1) GCMD Locations Keywords https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/locations locations https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/locations This data set conforms to the CC BY Attribution License (https://creativecommons.org/licenses/by/4.0/) Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ https Attribution 4.0 International (CC BY 4.0) Human Readable summary of the CC BY copyright license. Creative Commons Attribution 4 https://doi.pangaea.de/10.1594/PANGAEA.968704?format=textfile WWW:DOWNLOAD-1.0-http--download Pangaea This data set conforms to the CC BY Attribution License (https://creativecommons.org/licenses/by/4.0/) Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ https Attribution 4.0 International (CC BY 4.0) Human Readable summary of the CC BY copyright license. Creative Commons Attribution 4