Seismic Ice Properties and Bedrock Topography at Kaskawulsh Glacier

Seismic investigation data from the confluence of the North and Central Arms of Kaskawulsh Glacier in Yukon, Canada. The study measured ice depths up to approximately 1,000 meters and glacier widths of 3,000 to 5,000 meters. It was conducted to analyze ice properties, velocity anisotropy, and bedrock topography.

Use Cases

• Model ice thickness and bedrock topography using seismic depth measurements from the glacier confluence.
• Analyze seismic velocity anisotropy in relation to ice foliation structure and surface fracture patterns.
• Study the relationship between low near-surface velocities and factors like melting, fracturing, and high porosity.
• Compare cross-sectional parabolic shapes and depth variations between the North Arm and Central Arm of the glacier.

Strengths

• Provides specific depth measurements, with the greatest ice depth recorded at about 1,000 meters.
• Includes quantified spatial dimensions, noting the Central Arm is 3,000 m wide and the combined glacier is 5,000 m wide.
• Focuses on a distinct geographic feature: the confluence of two arms of Kaskawulsh Glacier in the St. Elias Mountains.

Limitations

• Data scope is limited to a single investigation at one glacier confluence, reducing generalizability.
• The raw description is textual; underlying seismic trace data, columns, and sample data are unavailable.
• Primary format is HTML, which may not be structured for direct quantitative analysis without extraction.

Provenance

Source

Government of Yukon

Collection Method

Seismic investigations carried out at the glacier confluence.

Time Range

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Freshness

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Geography

Confluence of the North and Central Arms of Kaskawulsh Glacier, St. Elias Mountains, Yukon Territory, Canada