{ "@context": "http://schema.org/", "@type": "Dataset", "@id": "https://antcat.antarcticanz.govt.nz/geonetwork/srv/api/records/313db96b-9062-4077-b725-65e0b555f9d4", "includedInDataCatalog":[{"@type":"DataCatalog","url":"https://antcat.antarcticanz.govt.nz/geonetwork/srv/search#","name":""}], "inLanguage":"eng", "name": "Spring 2018 time-series measurement of land-fast sea ice and sub-ice platelet layer thicknesses from electromagnetic induction soundings in McMurdo Sound, Antarctica", "alternateName": [ ], "dateCreated": [ "2024-06-18T05:43:00"], "dateModified": [ ], "datePublished": [ "2024-06-18T05:43:00"], "thumbnailUrl": [ "https://antcat.antarcticanz.govt.nz/geonetwork/srv/api/records/313db96b-9062-4077-b725-65e0b555f9d4/attachments/313db96b-9062-4077-b725-65e0b555f9d4.png"], "description": "Ground-based electromagnetic induction (EM) time-series measurements of land-fast sea ice and sub-ice platelet layer thicknesses were carried out on land-fast sea ice in McMurdo Sound, Antarctica in winter (August 8 to 26 October) and late spring (November 4-18) of 2018. The EM data were acquired using a frequency-domain Geonics Ltd EM31-MK2 instrument mounted on the sea ice surface in winter and a sledge in late spring. 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 (i.e., Apparent Conductivity (AppCond) and Inphase (Inph)) using the forward modelling and inversion methods of Irvin (2018). Temporal variability in EM measured thicknesses detected the seasonal growth of land-fast sea ice and sub-ice platelet layer in winter, and shorter timescale variability related to strong offshore wind events in winter and the tides in late spring (Brett et al., 2024).\n\nRelated publication:\nBrett, 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\u20133066, https:\/\/doi.org\/10.5194\/tc-18-3049-2024, 2024.", "identifier": "https://doi.org/10.1594/PANGAEA.968699", "keywords":[ "ELECTROMAGNETIC INDUCTION","K063A","K066A","SUB-ICE PLATELET LAYER","SEA ICE","ICE TYPES","SEA ICE DYNAMICS","FREEBOARD","SNOW DEPTH","ICE DEPTH\/THICKNESS","Water-based Platforms","ANTARCTICA","MCMURDO SOUND" ] ,"creator": [ { "@type":"Person" ,"name": "Brett, Gemma Marie." ,"email": ["gemma.brett@canterbury.ac.nz"] ,"contactPoint": { "@type" : "PostalAddress" } } ] ,"publisher": [ { "@type":"Organization" ,"name": "PANGAEA" ,"email": ["info@pangaea.de"] ,"contactPoint": { "@type" : "PostalAddress" } } ] ,"distribution": [ { "@type":"DataDownload", "contentUrl": "https:\/\/doi.org\/10.1594\/PANGAEA.968699", "encodingFormat": "WWW:LINK-1.0-http--link", "name": "Distribution Metadata" , "additionalType": [ { "@type":"DataLink", "contentUrl": "https:\/\/doi.pangaea.de\/10.1594\/PANGAEA.968699?format=textfile", "encodingFormat": "WWW:DOWNLOAD-1.0-http--download", "name": "Pangaea" } ] }] ,"encodingFormat": [ ] ,"spatialCoverage": [ {"@type":"Place", "description": [ ], "geo": [ {"@type":"GeoShape", "box": "-77.776 165.158 -77.758 165.242" } ] }] ,"temporalCoverage": [ "2018-11-04/2018-11-04" ] ,"license": [ { "@type": "CreativeWork", "name": "This data set conforms to the CC BY Attribution License (https:\/\/creativecommons.org\/licenses\/by\/4.0\/)" } ] , "citation": "Brett, Gemma Marie., Leonard, Gregory H., Rack, Wolfgang., Irvin, Anne., Haas, Christian., Langhorne, Patricia J., Smith, Inga J., ( 2024 ) Spring 2018 time-series measurement of land-fast sea ice and sub-ice platelet layer thicknesses from electromagnetic induction soundings in McMurdo Sound, Antarctica. PANGAEA. https://doi.org/10.1594/PANGAEA.968699, Accessed: 2026-07-07+12:00" }