Comparison of the strength of iceberg and other freshwater ice and the effect of temperature

Par Conseil national de recherches du Canada

Téléchargement	Voir la version finale : Comparison of the strength of iceberg and other freshwater ice and the effect of temperature (PDF, 492 Kio)
DOI	Trouver le DOI : https://doi.org/10.4224/12340937
Auteur	Rechercher : Jones, S.¹
Affiliation	Conseil national de recherches du Canada. Institut des technologies océaniques du CNRC
Format	Texte, Rapport technique
Description physique	15 p.
Sujet	temperature; iceberg; ice
Résumé	Based on literature results, the temperature of an iceberg around the Grand Banks of Newfoundland is shown to vary from -2°C at the surface to approximately -20°C at depth. This temperature variation affects the strength of the ice. The strength of iceberg ice is shown to be 1.7 times less than other freshwater ice at a strain-rate of 10-³s-¹, probably due to pre-existing cracks. Using an activation energy of 80kJ/mol., the uniaxial compressive strength of iceberg ice is shown to vary from 5 MPa at -2°C near the surface, to 8 MPa at -20°C, at 10-20m depth.
Date de publication	2006-02
Maison d’édition	National Research Council of Canada. Institute for Ocean Technology
Emplacement	St. John's, Newfoundland
Série	Technical Report (National Research Council of Canada. Institute for Ocean Technology), nº NRC-IOT-6318 (février 2006). PERD/CHC report, nº 20-83.
Langue	anglais
Publications évaluées par des pairs	Non
Identificateur	TR-2006-07
Numéro NPARC	12340937
Exporter la notice	Exporter en format RIS
Signaler une correction	Signaler une correction (s'ouvre dans un nouvel onglet)
Identificateur de l’enregistrement	db2dacd4-05da-46ac-9c84-991baaacfc3d
Enregistrement créé	2009-09-11
Enregistrement modifié	2022-09-27

Date de modification :: 2024-07-22