Heat flux variations beneath central Greenland's ice due to anomalously thin lithosphere

Nature Geoscience

Volumn 6, Issue 9, 2013, Pages 746-750

  Petrunin, A G ^a,b   Rogozhina, I ^a   Vaughan, A P M ^c,d   Kukkonen, I T ^e   Kaban, M K ^a,b   Koulakov, I ^f   Thomas, M ^a,g  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^b SCHMIDT INSTITUTE OF PHYSICS OF THE EARTH   (Russian Federation)

^c TRINITY COLLEGE DUBLIN   (Ireland)

^d BRITISH ANTARCTIC SURVEY   (United Kingdom)

^e GEOLOGICAL SURVEY OF FINLAND   (Finland)

^f TROFIMUK INSTITUTE OF PETROLEUM GEOLOGY AND GEOPHYSICS   (Russian Federation)

^g FREIE UNIVERSITÄT BERLIN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL ICE; BASAL MELTING; CRUSTAL STRUCTURE; CRUSTAL THINNING; DEEP DRILLING; GEOTHERMAL ENERGY; HEAT FLOW; HEAT FLUX; ICE SHEET; LITHOSPHERE; PROTEROZOIC; RECONSTRUCTION; THERMAL STRUCTURE; UPPER CRUST;

ARCTIC; GREENLAND; GREENLAND ICE SHEET;

CALLUNA VULGARIS;

EID: 84883344951     PISSN: 17520894     EISSN: 17520908     Source Type: Journal    
DOI: 10.1038/ngeo1898     Document Type: Article

References (29)

1. Davies, J. H. & Davies, D. R. Earth's surface heat flux. Solid Earth 1, 5-24 (2010).
2. Kiehl, J. T. & Trenberth, K. E. Earth's annual global mean energy budget. Bull. Am. Meteorol. Soc. 78, 197-208 (1997).
3. Pollard, D., DeConto, R. M. & Nyblade, A. A. Sensitivity of Cenozoic Antarctic ice sheet variations to geothermal heat flux. Glob. Planet. Change 49, 63-74 (2005).
4. Dahl-Jensen, D. et al. Past temperatures directly from the Greenland Ice Sheet. Science 282, 268-271 (1998).
5. Artemieva, I. M. & Mooney, W. D. Thermal thickness and evolution of Precambrian lithosphere: A global study. J. Geophys. Res. 106, 16387-16414 (2001).
6. Cuffey, K. M. & Paterson, W. S. B. The Physics of Glaciers (Butterworth-Heinemann, 2010).
7. Peters, L. E., Anandakrishnan, S., Alley, R. B. & Voigt, D. E. Seismic attenuation in glacial ice: A proxy for englacial temperature. J. Geophys. Res. 117, F02008 (2012).
8. Sass, J. H., Nielsen, B. L., Wollenberg, H. A. & Munroe, R. J. Heat flow and surface radioactivity at two sites in South Greenland. J. Geophys. Res. 77, 6435-6444 (1972).
9. Fahnestock, M., Abdalati, W., Joughin, I., Brozena, J. & Gogineni, P. High geothermal heat flow, basal melt, and the origin of rapid ice flow in central Greenland. Science 294, 2338-2342 (2001).
10. Fox Maule, C., Purucker, M. E. & Olsen, N. Inferring Magnetic Crustal Thickness and Geothermal Heat Flux from Crustal Magnetic Field Models (Copenhagen, 2009); available at http://www.dmi.dk/dmi/dkc09-09.pdf.
11. Shapiro, N. M. & Ritzwoller, M. H. Inferring surface heat flux distributions guided by a global seismic model: Particular application to Antarctica. Earth Planet. Sci. Lett. 223, 213-224 (2004).
12. Rogozhina, I. et al. Effects of uncertainties in the geothermal heat flux distribution on the Greenland Ice Sheet: An assessment of existing heat flow models. J. Geophys. Res. 117, F02025 (2012).
13. Kumar, P. et al. The lithosphereasthenosphere boundary in the North West Atlantic region. Earth Planet. Sci. Lett. 236, 249-257 (2005).
14. Jakovlev, A. V., Bushenkova, N. A., Koulakov, I. Y. & Dobretsov, N. L. Structure of the upper mantle in the Circum-Arctic region from regional seismic tomography. Russ. Geol. Geophys. 53, 963-971 (2012).
15. Dahl-Jensen, et al. Depth to Moho in Greenland: Receiver-function analysis suggests two Proterozoic blocks in Greenland. Earth Planet. Sci. Lett. 205, 379-393 (2003).
16. Cuffey, K. M. Palaeoclimate: Into an ice age. Nature 431, 133-134 (2004).
17. Rogozhina, I., Martinec, Z., Hagedoorn, J. M., Thomas, M. & Fleming, K. On the long-term memory of the Greenland Ice Sheet. J. Geophys. Res. 116, F01011 (2011).
18. Johnsen, S. J., Dahl-Jensen, D., Dansgaard, W. & Gundestrup, N. Greenland palaeotemperatures derived from GRIP bore hole temperature and ice core isotope profiles. Tellus B 47, 624 (1995).
19. Artemieva, I. M. The continental lithosphere: Reconciling thermal, seismic, and petrologic data. Lithos 109, 23-46 (2009).
20. Harper, J. et al. The Greenland Analogue Project report (Olkiluoto, 2012); available at http://www.posiva.fi/files/2826/WR-2012-16web.pdf.
21. Fox Maule, C., Purucker, M. E., Olsen, N. & Mosegaard, K. Heat flux anomalies in Antarctica revealed by satellite magnetic data. Science 309, 464-467 (2005).
22. Bamber, J. L., Layberry, R. L. & Gogineni, S. P. A new ice thickness and bed data set for the Greenland ice sheet: 1. Measurement, data reduction, and errors. J. Geophys. Res. 106, 33773 (2001).
23. Greve, R. A continuum-mechanical formulation for shallow polythermal ice sheets. Philos. Trans. R. Soc. Lond. Ser. A 355, 921-974 (1997).
24. Lawver, L. A. & Muller, R. D. Iceland hotspot track. Geology 22, 311-314 (1994).
25. Legendre, C. P., Meier, T., Lebedev, S., Friederich, W. & Viereck-Götte, L. A shear wave velocity model of the European upper mantle from automated inversion of seismic shear and surface waveforms. Geophys. J. Int. 191, 282-304 (2012).
26. Brouwers, E. M., Jørgensen, N. O. & Cronin, T. M. Climatic significance of the ostracode fauna from the Pliocene Kap København Formation, north Greenland. Micropaleontology 37, 245-267 (1991).
27. Augustin, L. et al. Eight glacial cycles from an Antarctic ice core. Nature 429, 623-628 (2004).
28. Clark, P. U. et al. The middle Pleistocene transition: Characteristics, mechanisms, and implications for long-term changes in atmospheric CO2. Quat. Sci. Rev. 25, 3150-3184 (2006).
29. Petrunin, A. G., Meneses Rioseco, E., Sobolev, S. V. & Weber, M. Thermomechanical model reconciles contradictory geophysical observations at the Dead Sea Basin. Geochem. Geophys. Geosyst. 13, Q04011 (2012).