Experimentation of Gravimetric Measurements to Detect the Presence of Buried Ice along the Mary River Railway Corridor

While the universal force of gravity is a constant, the gravity field of the Earth varies due to anomalies within the Earth. The Earth is made from different materials of different mass with varying densities. All have an impact on the Earth's gravitational field and can thus be detected and described using gravimeter measurement systems. Ice has a density of 917 kg/m3 which is about half of the density of soil. Therefore, a large volume of buried ice is likely to generate a significant gravimetric anomaly detectable using high precision land gravimeter surveys. The objective of the study conducted at Mary River, Baffin Island, Canada was to assess the feasibility of using a high precision gravimeter to detect the presence of ground ice. Gravimeter surveys appear to be an effective technique to detect the presence of buried ice bodies along a transportation corridor such as the Mary River Railway. The technique allows detecting large ice bodies and gives best results when ice bodies are buried at shallow depths.

Language

  • English

Media Info

  • Media Type: Print
  • Features: Figures; Photos; References;
  • Pagination: pp 328-336
  • Monograph Title: Cold Regions Engineering 2009. Cold Regions Impact on Research, Design and Construction

Subject/Index Terms

Filing Info

  • Accession Number: 01144202
  • Record Type: Publication
  • ISBN: 9780784410721
  • Files: TRIS
  • Created Date: Nov 16 2009 12:42PM