Late spring 2018 land-fast sea ice and sub-ice platelet layer thicknesses from electromagnetic induction soundings along transect West-East-EM-Transect_20181119 in McMurdo Sound, Antarctica

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Description:
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).
Auteur(s) :
Brett, Gemma Marie

Brett, Gemma Marie

University of Canterbury
0000-0001-8249-2675
, Leonard, Gregory H

Leonard, Gregory H

University of Otago
0000-0001-7679-9486
, Rack, Wolfgang

Rack, Wolfgang

University of Canterbury
0000-0003-2447-377X
, Irvin, Anne

Irvin, Anne

Memorial University of Newfoundland York University, Toronto, Canada
0000-0001-6351-0217
, Haas, Christian

Haas, Christian

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
0000-0002-7674-3500
 et Langhorne, Patricia J

Langhorne, Patricia J

University of Otago
0000-0003-0239-7657
Dépôt source:
PANGAEA
Éditeur(s):
PANGAEA
License:
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode
URL:
https://doi.pangaea.de/10.1594/PANGAEA.968706
Date de publication:
2024
Sujets (en):
DATE/TIME, Identification, LATITUDE, LONGITUDE, Antarctic sea ice, electromagnetic induction, ice-ocean interaction, Ice thickness, Sub-ice platelet layer, Sea ice thickness, Sub-ice platelet-layer thickness, Ground-based electromagnetic induction, Electromagnetic sounding (EM), Geonics Ltd EM31-MK2, et DEEP SOUTH NATIONAL SCIENCE CHALLENGE: Targeted observation and process-informed modelling of Antarctic sea ice (TOPIMASI)
Identificateur:
https://doi.org/10.1594/pangaea.968706

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Citation selon les normes APA:
Late spring 2018 land-fast sea ice and sub-ice platelet layer thicknesses from electromagnetic induction soundings along transect West-East-EM-Transect_20181119 in McMurdo Sound, Antarctica. (2024). [Data set]. PANGAEA. https://doi.pangaea.de/10.1594/PANGAEA.968706
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