About: Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential

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About: Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Several observations lead us to suggest that the geothermal gradient in regions near the Pleistocene ice margin may contain a transient signal that causes significant underestimation of pres - ent day heat flow. Heat flow increases with depth in northern hemisphere periglacial regions in Eurasia and North America. Temperature gradients increase with depth in thick clastic rocks in the Williston Basin where compaction causes an increase in thermal conductivity. Thermally mature oil source rocks occur in the Williston Basin where subsidence history suggests that rocks should be immature unless paleo-heat flow was higher. Pollen analyses in upland lakes in southern Manitoba indicate that MJJA surface temperatures are 13 °C higher than they were 12,500 ka. Conductive heat flow models using the pollen temperature history as a forcing signal for surface temperature produce temperature vs. depth profiles with increasing gradients that are similar to profiles observed in the Williston Basin. Several observations lead us to suggest that the geothermal gradient in regions near the Pleistocene ice margin may contain a transient signal that causes significant underestimation of pres - ent day heat flow. Heat flow increases with depth in northern hemisphere periglacial regions in Eurasia and North America. Temperature gradients increase with depth in thick clastic rocks in the Williston Basin where compaction causes an increase in thermal conductivity. Thermally mature oil source rocks occur in the Williston Basin where subsidence history suggests that rocks should be immature unless paleo-heat flow was higher. Pollen analyses in upland lakes in southern Manitoba indicate that MJJA surface temperatures are 13 °C higher than they were 12,500 ka. Conductive heat flow models using the pollen temperature history as a forcing signal for surface temperature produce temperature vs. depth profiles with increasing gradients that are similar to profiles observed in the Williston Basin. (en)
Title	Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential (en)
skos:prefLabel	Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential Implication of post-glacial warming for Northern Alberta heat flow - correcting for the underestimate of the geothermal potential (en)
skos:notation	RIV/67985530:_____/12:00387011!RIV13-AV0-67985530
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šafanda, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	140857
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/12:00387011
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	geothermal energy potential; Canadian sedimentary basin; heat flow; paleoclimatic correction (en)
http://linked.open.../riv/klicoveSlovo	heat flow Canadian sedimentary basin geothermal energy potential paleoclimatic correction
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[ACD9A2FD0408]
http://linked.open...i/riv/nazevZdroje	GRC Transactions
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	36
http://linked.open...iv/tvurceVysledku	Šafanda, Jan Majorowicz, J. Gosnold, W. Gray, A. Klenner, R. Unsworth, M.
issn	0193-5933
number of pages	6 (xsd:int)

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