82 dossier(s) trouvé(s) portant l’étiquette "sea ice" (les projets pluriannuels sont regroupés):
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Ambient Noise Under Ice
chercheur principal: Farmer, D.
Année(s) de permis: 1987
Résumé: To study the generation of noise due to ice, the propagation of sound under ice, the character of noice prior to summer ice break-up and the seasonal variation of ice noise....


Licence #5059
chercheur principal: Parsons, Bruce
Année(s) de permis: 1985
Résumé: To obtain data on the fracture toughness of sea-ice, its indentation toughness, the cantilever beam strength, and the velocity of a crack propagating in ice....


Licence #5034
chercheur principal: Topham, David
Année(s) de permis: 1985
Résumé: To install current meter arrays and acoustic equipment in the vicinity of an ice keel for a period of about three weeks to better understand the hydrodynamic drag of sea ice arising from ice keels....


Licence #5033
chercheur principal: Jeffries, Martin O.
Année(s) de permis: 1985
Résumé: To obtain ice cores from the sea ice and to examine the salinity and isotopic compostition of the ice in addition to the ice temperature to determine ice strength, age of the ice and rates of growth....


Licence #5026
chercheur principal: Welch, Harold
Année(s) de permis: 1985
Résumé: Epontic primary production, phytoplankton production, and subice amphipod production in the Barrow Strait area; work at the ice edges in Lancaster Sound, and summer chlorophyll distribution....


Licence #5019
chercheur principal: Stirling, Ian
Année(s) de permis: 1985
Résumé: Use sub-ice recording to study distribution of overwintering populations of seals in relation to plynyas, sea ice conditions, patterns of freeze-up, distribution of ringed seal pupping areas, distribution of polar bears and proposed winter shipping lanes....


Licence #5017
chercheur principal: Sauriol, Yvan
Année(s) de permis: 1985
Résumé: To conduct Phase II of Through-the-Ice-Sounding Study. Measurements will be made on rifle shots aimed vertically at the ice from a platform and firing shots at the ice from a helicopter to develop a non-contact through-the-ice sounding method....


Licence #5016
chercheur principal: Frederking, R.
Année(s) de permis: 1985
Résumé: Measure general environmental factors, obtain temperature and salinity profile of the ice cover; ice features will be described and documented; measure ice movements by using arrays of reflectors and an electronic distance measuring device; measure ice pressures....


Licence #4028
chercheur principal: Jeffries, Martin O.
Année(s) de permis: 1984
Résumé: To carry out a study of the structure, behaviour and origin of the Ward Hunt Ice Shelf. To carry out a snowmobile ground truth survey of the landfast sea ice between the mouth of Nansen Sound and Clements Markham Inlet. Ice cores will be taken, aerial photography and radar flights will be used....


Licence #4024
chercheur principal: Aitken, Alec E.
Année(s) de permis: 1984
Résumé: (1) to investigate the nature of arctic bivalve growth; (2) to identify possible latitudinal trends in arctic bivalve morphology; and (3) to assess the role of sea ice as a factor influencing arctic bivalve morphology and growth....


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