Tidal modulation of temperature oscillations monitored in borehole Yaxcopoil-1 (Yucatán, Mexico)

Vladimir Cermak, L. Bodri, Jan Safanda

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

For better understanding of temperature state in the subsurface, temperature-depth logs can be suitably completed by high-resolution long-run temperature-time monitoring at selected depths. The results of temperature monitoring at three depth levels in borehole Yaxcopoil-1, Chicxulub impact structure, Mexico (April/May 2006) proved that even when a borehole is in "fully" stabilized conditions, temperature may exhibit certain unrest resembling irregular oscillations in the order of hundredths or (in the extreme case) even first tenths of degree. Two novel methods for detection of the weak fingerprints of stable periodic components in long noisy records, namely the RQI (Recurrence Quantification Interval) analysis and the HiCum (Histograms Cumulation) were used to isolate the constituents with tidal periodicities from temperature oscillations measured in borehole Yaxcopoil-1. Both analyses revealed that temperature series contain perceptible tidal component. The field data were correlated with the simulated synthetic tides. The comparison of staked HiCum records for the theoretical gravity tide and monitored temperature shows significant positive linear correlation between both variables. There is a small lag between two signals corresponding to ~ 25 min phase difference.

Original languageEnglish
Pages (from-to)131-139
Number of pages9
JournalEarth and Planetary Science Letters
Volume282
Issue number1-4
DOIs
Publication statusPublished - May 30 2009

Fingerprint

Mexico
boreholes
Boreholes
borehole
oscillation
Modulation
modulation
oscillations
temperature
Temperature
Tides
tides
histogram
histograms
tide
impact structure
Monitoring
recurrence interval
monitoring
periodicity

Keywords

  • borehole convection
  • Histograms cumulation (HiCum) technique
  • Recurrence quantification interval (RQI) analysis
  • temperature monitoring
  • tidal forcing

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Tidal modulation of temperature oscillations monitored in borehole Yaxcopoil-1 (Yucatán, Mexico). / Cermak, Vladimir; Bodri, L.; Safanda, Jan.

In: Earth and Planetary Science Letters, Vol. 282, No. 1-4, 30.05.2009, p. 131-139.

Research output: Contribution to journalArticle

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