ANALYSIS OF ANNUAL VARIATIONS IN GROUND TEMPERATURE AT AN OTTAWA SITE

Observations over a 5-year period at a site at Ottawa showed that the ground temperature had significant Fourier components with period one half and two years. The average annual ground temperature and amplitudes of the Fourier omponents of period one year and one half year underwent non-periodic fluctuations of almost 1 C degree at a depth of 10 cm. The amplitude of this fluctuation decreased with depth, and its maximum occurred later in time. There was evidence of a gradual increase in average annual ground temperature amounting to about 0.2 C degree over the 5-year period at the 610-cm depth. The significance of such small temperature changes in areas where the ground temperature is close to 0 deg C is pointed out. /Author/

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  • Corporate Authors:

    National Research Council of Canada

    1200 Montreal Road
    Ottawa, Ontario  Canada  K1A 0R6
  • Authors:
    • Gold, L W
  • Publication Date: 1964-10

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 146
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00264521
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 29 1975 12:00AM