Glacial rumblings from Jakobshavn ice stream, Greenland

Journal of Glaciology

Volumn 55, Issue 191, 2009, Pages 389-399

  Rial, J A ^a   Tang, C ^a   Steffen, K ^b  

^a UNIVERSITY OF NORTH CAROLINA   (United States)

^b UNIVERSITY OF COLORADO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKE INTENSITY; GLACIAL TRANSPORT; ICE MECHANICS; ICE STREAM; ICEBERG; SEISMIC ANISOTROPY; SEISMIC MOMENT;

ARCTIC; GREENLAND; JAKOBSHAVN ISBRAE;

EID: 69549114956     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/002214309788816623     Document Type: Article

References (41)

1. Aki, K. and P.C. Richards 1980. Quantitative seismology. Second edition. Sausalito, CA, University Science Books.
2. Alley, R.B., M.K. Spencer and S. Anandakrishnan. 2007. Ice-sheet mass balance: assessment, attribution and prognosis. Ann. Glaciol., 46, 1-7.
3. Amundson, J.M., M. Truffer, M.P. Luthi, M. Fahnestock, M. West, R.J. Motyka. 2008. Glacier, fjord and seismic response to recent large calving events, Jakobshavn Isbrae, Greenland. Ceophys. Res. Lett., 35, L22501. (doi: 10.1029/2008GL035281.)
4. Anandakrishnan, S. and C.R. Bentley. 1993. Micro-earthquakes beneath Ice Streams B and C, West Antarctica: observations and implications. J. Glaciol., 39(133), 455-462.
5. Bamber, J.L., R.B. Alley and I. Joughin. 2007. Rapid response of modern day ice sheets to external forcing. Earth Planet. Sci. Lett, 257(1-2), 1-13.
6. Bindschadler, R.A., M.A. King, R.B. Alley, S. Anandakrishnan and L. Radman. 2003. Tidally controlled stick-slip discharge of a West Antarctic ice stream. Science, 301(5636), 1087-1089.
7. Chung, W.-Y. and H. Gao. 1997. The Greenland earthquake of 11 July 1987 and postglacial fault reactivation along a passive margin. Bull. Seismol. Soc. Am., 87(4), 1058-1068.
8. Clarke, T.S. and K. Echelmeyer. 1996. Seismic-reflection evidence for a deep subglacial trough beneath Jakobshavns Isbræ, West Greenland. J. Glaciol., 43(141), 219-232.
9. Dahlen, F. A. 1993. Single-force representation of shallow landslide sources. Bull. Seismol. Soc. Am., 83(1), 130-143.
10. Dietrich, R., A. Rulke and M. Scheinert. 2005. Present-day vertical crustal deformations in West Greenland from repeated GPS observations. Ceophys. J. Int., 163(3), 865-874.
11. Dziewonski, A.M., T.-A. Chou and J.H. Woodhouse. 1981. Determination of earthquake source parameters from waveform data for studies of global and regional seismicity. J. Ceophys. Res., 86(B4), 2825-2852.
12. Ekström, G. 2006. Global detection and location of seismic sources by using surface waves. Bull. Seismol. Soc. Am., 96(4A), 1201-1212.
13. Ekström, G., M. Nettles and G.A. Abers. 2003. Glacial earthquakes. Science, 302(5645), 622-624.
14. Ekström, G., M. Nettles and V.C. Tsai. 2006. Seasonality and increasing frequency of Greenland glacial earthquakes. Science, 311(5768), 1756-1758.
15. Ewing, M., W. Jardetzky and F. Press 1957. Elastic waves in layered media. New York, McGraw-Hill.
16. Funk, M., K. Echelmeyer and A. Iken. 1994. Mechanisms of fast flow in Jakobshavns Isbræ, West Greenland: Part II. Modeling of englacial temperatures.;. Glaciol., 40(136), 569-585.
17. Hansen, J.E. 2005. A slippery slope: how much global warming constitutes 'dangerous anthropogenic interference'? Climatic Change, 68(3), 269-279.
18. Hooke, R.LeB. 2005. Principles of glacier mechanics. Second edition. Cambridge, etc., Cambridge University Press.
19. Howat, I.M., I. Joughin, S. Tulaczyk and S. Gogineni. 2005. Rapid retreat and acceleration of Helheim Glacier, east Greenland. Ceophys. Res. Lett, 32(22), L22502. (10.1029/2005GL024737.)
20. Howat, I.M., I.R. Joughin and T.A. Scambos. 2007. Rapid changes in ice discharge from Greenland outlet glaciers. Science, 315(5818), 1559-1561.
21. Iken, A., K. Echelmeyer, W. Harrison and M. Funk. 1993. Mechanisms of fast flow in Jakobshavns Isbrae, West Greenland: Part I. Measurements of temperature and water level in deep boreholes. J. Glaciol., 39(131), 15-25.
22. Joughin, I., W. Abdalati and M.A. Fahnestock. 2004. Large fluctuations in speed on Greenland's Jakobshavn Isbrae glacier. Nature, 432(7017), 608-610.
23. Kawakatsu, H. 1989. Centroid single force inversion of seismic waves generated by landslides. J. Ceophys. Res., 94(B9), 12,363-12,374.
24. Kuroiwa, D. 1964. Internal friction of ice. Contrib. Inst. Low Temp. Sci. A18, 2-37.
25. Lamb, H. 1904. On the propagation of tremors over the surface of an elastic solid. Philos. Trans. R. Soc. London, Ser. A, 203, 1-42.
26. Larsen, S., D. Harris, C. Schultz, D. Maddix, T. Bakowsky and L. Bent. 1998. E3D. 3D elastic seismic wave propagation code. Livermore, CA, Lawrence Livermore National Laboratory. (Tech. Rep. ESTSC-001300MLTPL00.)
27. Lawson, C.L. and R.J. Hanson 1995. Solving least squares problems. Philadelphia, PA, Society for Industrial and Applied Mathematics.
28. Lee, W.H.K. and S.W. Stewart 1981. Principles and applications in microearthquake networks. New York, Academic Press.
29. Lüthi, A., M. Funk and A. Iken. 2003. Indication of active overthrust faulting along the Holocene-Wisconsin transition in the marginal zone of Jakobshavn Isbræ. J. Ceophys. Res., 108(B11), 2543. (10.1029/2003JB002505.)
30. Maas, H.-G., R. Dietrich, E. Schwalbe, M. Bässler and P. Westfeld. 2006. Analysis of the motion behaviour of| Jakobshavn Isbras Glacier in Greenland by monocular image sequence analysis. Int. Arch. Photogramm. Remote Sens., 36(5), 179-183.
31. O'Neel, S., H.P. Marshall, D.E. McNamara and W.T. Pfeffer. 2007. Seismic detection and analysis of icequakes at Columbia Glacier, Alaska. J. Ceophys. Res., 112(F3), F03S23. (10.1029/ 2006JF000595.)
32. O'Neel, S. and W.T. Pfeffer. 2007. Source mechanics for monochromatic icequakes produced during iceberg calving at Columbia Glacier, AK. Ceophys. Res. Lett., 34(22), L22502. (10.1029/2007GL031370.) (Pubitemid 351227227)
33. Petrenko, V.F. and R.W. Whitworth 1999. Physics of ice. Oxford, etc., Oxford University Press.
34. Rignot, E. and P. Kanagaratnam. 2006. Changes in the velocity structure of the Greenland Ice Sheet. Science, 311(5673), 986-990. (Pubitemid 43271722)
35. Stearns, L.A. and G.S. Hamilton. 2007. Thinning and acceleration of East Antarctic outlet glaciers. [Abstract C41C-08.] Eos, 88(52), Fall Meet. Suppl.
36. Steffen, K., S. Nghiem, R. Huff and G. Neumann. 2004. The melt anomaly of 2002 on the Greenland Ice Sheet from active and passive microwave satellite observations. Ceophys. Res. Lett, 31(20), L20402. (10.1029/2004GL020444.) (Pubitemid 40098583)
37. Steffen, K., J.H. Zwally, J.A. Rial, A. Behar and R. Huff. 2006. Climate variability, melt-flow acceleration, and ice quakes at the western slope of the Greenland Ice Sheet. [Abstract U22A-01.] Eos, 87(52), Fall Meet. Suppl.
38. Stein, S. and M. Wysession 2003. Introduction to seismology, earthquakes and earth structure. Oxford, Blackwell Publishing.
39. Tsai, V.C. and G. Ekstrom. 2007. Analysis of glacial earthquakes. J. Ceophys. Res., 112(F3), F03522. (10.1029/2006JF000596.) (Pubitemid 350120784)
40. Wiens, D.A., S. Anandakrishnan, J.P. Wineberry and M.A. King. 2008. Simultaneous teleseismic and geodetic observations of the stick-slip motion of an Antarctic ice stream. Nature, 453(7196), 770-774.
41. Zwally, H.J., W. Abdalati, T. Herring, K. Larson, J. Saba and K. Steffen. 2002. Surface melt-induced acceleration of Greenland ice-sheet flow. Science, 297(5579), 218-222.