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Earth Sciences

Wilfrid Laurier University

Theses/Dissertations

1993

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Iceberg Severity Off The Canadian East Coast (An Analysis Of The 1991 Iceberg Season), Jerome Edward Salloum Jan 1993

Iceberg Severity Off The Canadian East Coast (An Analysis Of The 1991 Iceberg Season), Jerome Edward Salloum

Theses and Dissertations (Comprehensive)

The 1991 iceberg season on the Grand Banks was the second most severe on record. Over a 218-day period, a total of 2002 icebergs traversed latitude 48°N. Percentages of sightings involving medium and large icebergs greatly exceeded normal values. Thus, the season was mxtstanding, not only in terms of flux numbers, but in terms of total ice mass delivered. Assuming that this flux anomaly is the product of more efficient advection and less efficient ablation and notzsome sudden surge in upstream berg production, the study investigates various atmospheric and sea surface conditions as contributing factors to a near record iceberg …


Seasonal Hydrology And Geochemistry Of Two Small High Arctic Catchments, Axel Heiberg Island, Northwest Territories, Julia Boike Jan 1993

Seasonal Hydrology And Geochemistry Of Two Small High Arctic Catchments, Axel Heiberg Island, Northwest Territories, Julia Boike

Theses and Dissertations (Comprehensive)

This study examines hydrological and geochemical processes in a continuous permafrost setting in the Canadian High Arctic on Axel Heiberg Island (79°25 ' N; 90°45 ' W) with the following objective: to identify spatial and seasonal variation in hydrology and geochemistry of the East Inflow (EIF) and West Inflow (WIF) sub basins draining into Colour Lake and relate them to processes operating in the basins. Field work in the catchment was carried out between 20 May to 16 August 1991 and 23 July to 20 August 1992. Surface flow and suprapermafrost groundwater in the active layer were monitored to assess …