Počet záznamů: 1

Interpretation and mathematical modeling of temporal changes of temperature observed in borehole Yaxcopoil-1 within the Chicxulub impact structure, Mexico

  1. 1.
    0330216 - GFU-E 2010 RIV NL eng J - Článek v odborném periodiku
    Šafanda, Jan - Wilhelm, H. - Heidinger, P. - Čermák, Vladimír
    Interpretation and mathematical modeling of temporal changes of temperature observed in borehole Yaxcopoil-1 within the Chicxulub impact structure, Mexico.
    Journal of Hydrology. Roč. 372, č. 1-4 (2009), s. 9-16 ISSN 0022-1694
    Grant CEP: GA ČR(CZ) GA205/06/1181
    Grant ostatní:Deutsche Forschungsgemeinschaft(DE) W1 687/17-1,2,3
    Výzkumný záměr: CEZ:AV0Z30120515
    Klíčová slova: repeated borehole temperature logging * karstic environment * Yucatan * groundwater convection * heat transport numerical simulation * fluid dynamics
    Kód oboru RIV: DC - Seismologie, vulkanologie a struktura Země
    Impakt faktor: 2.433, rok: 2009

    Geothermal research of the Chicxulub impact structure on the Yucatan Peninsula, Mexico, included repeated temperature logs following 0.3–0.8, 15, 24, 34 and 50 months after shut-in of drilling operations at the 1.5 km deep Yaxcopoil-1 borehole. A gradual distortion of the linear temperature profile by a cold wave propagating downward from 145 m to 317 m was detected within the observational period of 49 months (March 2002–April 2006). The amplitude of the cold wave was increasing with depth and time in the range of 0.8–1.6°C. As an explanation of this unusual phenomenon, the hypothesis of downward migration of a large volume of drilling mud, reported lost during drilling within the overlying and cooler highly porous and permeable karstic rocks, has been proposed.
    Trvalý link: http://hdl.handle.net/11104/0176058