"global warming; regional climate variability and change; borehole temperatures"@en . . . "109;128" . "CH - \u0160v\u00FDcarsk\u00E1 konfederace" . "Well temperature logs from 61 sites located in discontinuous and continuous permafrost regions of northern Canada are analyzed. The method of functional space inversion is applied to the set of precise temperature logs from wells located between 60\u00B0 and 82\u00B0 N. There is strong evidence of extensive ground surface temperature warming beginning in the late 18th century and lasting until the 20th century. This was preceded by a lengthy period of cooling." . "Historie oteplov\u00E1n\u00ED zemsk\u00E9ho povrchu v severn\u00ED Kanad\u011B odvozen\u00E1 z teplotn\u00EDch profil\u016F m\u011B\u0159en\u00FDch ve vrtech a jej\u00ED srovn\u00E1n\u00ED s dal\u0161\u00EDmi rekonstrukcemi"@cs . "Ground surface warming history in northern Canada inferred from inversions of temperature logs and comparison with other proxy climate reconstructions" . . . "Ground surface warming history in northern Canada inferred from inversions of temperature logs and comparison with other proxy climate reconstructions" . . "1"^^ . . "3"^^ . "20"^^ . "0033-4553" . "Well temperature logs from 61 sites located in discontinuous and continuous permafrost regions of northern Canada are analyzed. The method of functional space inversion is applied to the set of precise temperature logs from wells located between 60\u00B0 and 82\u00B0 N. There is strong evidence of extensive ground surface temperature warming beginning in the late 18th century and lasting until the 20th century. This was preceded by a lengthy period of cooling."@en . . "[019B3E3B87F3]" . "K anal\u00FDze byly vyu\u017Eity teplotn\u00ED profily z vrt\u016F na 61 lokalit\u00E1ch v oblastech nesouvisl\u00E9ho i souvisl\u00E9ho permafrostu v severn\u00ED Kanad\u011B. Metoda inverze ve funcion\u00E1ln\u00EDm prostoru byla pou\u017Eita na soubor p\u0159esn\u00FDch teplotn\u00EDch profil\u016F z vrt\u016F situovan\u00FDch mezi 60 \u00B0 a 82 \u00B0 s.\u0161. V\u00FDsledky p\u0159esv\u011Bd\u010Div\u011B dokazuj\u00ED v\u00FDrazn\u00E9 oteplov\u00E1n\u00ED zemsk\u00E9ho povrchu od konce 18. stolet\u00ED a\u017E do 20. stolet\u00ED. Tomuto oteplov\u00E1n\u00ED p\u0159edch\u00E1zelo del\u0161\u00ED obdob\u00ED ochlazov\u00E1n\u00ED."@cs . "Ground surface warming history in northern Canada inferred from inversions of temperature logs and comparison with other proxy climate reconstructions"@en . . "2" . "Skinner, W. R." . "RIV/67985530:_____/05:00024337!RIV06-AV0-67985530" . "Z(AV0Z30120515)" . . "162" . . . . "RIV/67985530:_____/05:00024337" . . . . "Historie oteplov\u00E1n\u00ED zemsk\u00E9ho povrchu v severn\u00ED Kanad\u011B odvozen\u00E1 z teplotn\u00EDch profil\u016F m\u011B\u0159en\u00FDch ve vrtech a jej\u00ED srovn\u00E1n\u00ED s dal\u0161\u00EDmi rekonstrukcemi"@cs . "Majorowicz, J. A." . "Ground surface warming history in northern Canada inferred from inversions of temperature logs and comparison with other proxy climate reconstructions"@en . "522944" . "\u0160afanda, Jan" . "Pure and Applied Geophysics" .