Here we estimate the geothermal flux beneath the Greenland ice sheet and identify a 1,200-km-long and 400-km-wide geothermal anomaly beneath the thick ice cover.
We suggest that this anomaly explains the observed melting of the ice sheets passage over the Iceland mantle plume between roughly 80 and 35 million years ago.
All authors contributed to discussions and interpretations of the results.We conclude that the complexity of the present-day subglacial hydrology and dynamic features of the north-central Greenland ice sheet originated in tectonic events that pre-date the onset of glaciation in Greenland by many tens of millions of years.2.0. CO;2&rft_id=info:pmid/&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.aulast=Greve&rft.aufirst=R.&rft.jtitle=J. Clim.&rft.volume=10&rft.spage=901&rft.epage=918&rft.date=1997&rft.atitle=Application of a polythermal three-dimensional ice sheet model to the Greenland ice sheet: response to steady-state and transient climate scenarios&rfr_id=info:sid/nature.com: Nature.com&id=doi:10.1175/1520-0442(1997)0102.0. Positive law titles are identified by an asterisk on the Search & Browse page.For an explanation of the meaning of positive law, see the Positive Law Codification page. The Gregorian calendar very closely maintains the alignment of seasons and calendar dates by having leap years in only 1 of every 4 century years, namely, those divisible exactly by 400. D., is always one of the 35 dates March 22 to April 25. ENGLISH Easter Sunday dates for 1583 to 1752 can be calculated using information near the end of this Easter Dating Method document.The United States Code ("Code") contains the general and permanent laws of the United States, arranged into 54 broad titles according to subject matter.The organization of the Code was originally established by Congress in 1926 with the enactment of the act of June 30, 1926, chapter 712. Easter Day was celebrated either: (a) on or just after the first day of the Jewish Passover (no matter on which day of the week that Easter Day occurred), or (b) on a Sunday close to or on the first Passover Day. Precise information on this subject can be found on pages 415 to 425 of the Explanatory Supplement to the 1961 Astronomical Ephemeris. It became defined as the Sunday following the Paschal Full Moon date for the year, using a simple "19 PFM dates" table.