Landfast sea-ice and sub-ice platelet-layer thicknesses in McMurdo Sound from ground-based electromagnetic induction (EM) surveys

Ground-based electromagnetic induction (EM) surveys of sea ice and sub-ice platelet layer thicknesses were carried out on land-fast sea ice in McMurdo Sound, Antarctica in November of 2011, 2013, 2016 and 2017. The EM data was acquired using a frequency-domain Geonics Ltd EM31-MK2 instrument mounted...

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Bibliographic Details
Main Authors: Brett, Gemma Marie, Irvin, Anne, Rack, Wolfgang, Haas, Christian, Langhorne, Patricia J, Leonard, Greg H
Format: Dataset
Language:English
Published: PANGAEA 2019
Subjects:
C-GJKB
DEEP SOUTH NATIONAL SCIENCE CHALLENGE: Targeted observation and process-informed modelling of Antarctic sea ice
Electromagnetic induction/laser
EML
K063_2011
K063_2013
K066_2016
K066_2016a
K066_2017
K066-1718-A
McMurdo Sound
TOPIMASI
Antarctic
Antarc*
Antarctica
Sea ice
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.909889
https://doi.org/10.1594/PANGAEA.909889
Description
Summary:Ground-based electromagnetic induction (EM) surveys of sea ice and sub-ice platelet layer thicknesses were carried out on land-fast sea ice in McMurdo Sound, Antarctica in November of 2011, 2013, 2016 and 2017. 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 total ice (sea ice plus the snow layer) and the SPL were simultaneously retrieved from the EM31 measured response using the processing method of Irvin (2018) (refer to pages 89-98). A correction for the addition of the snow layer was applied to obtain to EM measured Sea Ice (emSI) thickness according to section 2.3 of Brett et al. 2019.

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