Numerical studies of ice flow over subglacial geothermal heat sources at Grímsvötn, Iceland, using Full Stokes equations

Journal of Geophysical Research: Earth Surface

Volumn 112, Issue 2, 2007, Pages

  Jarosch, Alexander H ^a   Gudmundsson, Magnús T ^a  

^a UNIVERSITY OF ICELAND   (Iceland)

Author keywords

[No Author keywords available]

Indexed keywords

GEOTHERMAL POWER; GLACIER; GLACIOLOGY; HEAT FLUX; HEAT SOURCE; ICE FLOW; NUMERICAL METHOD; STOKES FORMULA; SUBGLACIAL ENVIRONMENT;

ARCTIC; GRIMSVOTN; ICELAND;

EID: 34548337085     PISSN: None     EISSN: 21699011     Source Type: Journal    
DOI: 10.1029/2006JF000540     Document Type: Article

References (28)

1. Adalgeirsdóttir, G., G. H. Gudmundsson, and H. Björnsson (2000), The response of a glacier to a surface disturbance: a case study on Vatnajokull ice cap, Iceland, Ann. Glaciol., 31, 104-110.
2. Adalgeirsdóttir, G., G. H. Gudmundsson, and H. Bjórnsson (2003), A regression model for the mass-balance distribution of the Vatnajökull ice cap, Iceland, Ann. Glaciol., 37, 189-193.
3. Allen, M. P., and D. J. Tildesley (1989), Computer Simulation of Liquids, Oxford University Press, Oxford.
4. Björnsson, H. (1988), Hydrology of Ice Caps in Volcanic Regions, Rit XLV, Societas Scientarium Islandica, Reykjavík.
5. Björnsson, H. (2003), Subglacial lakes and jökulhlaups in Iceland, Global Planet. Change, 35, 255-271.
6. Björnsson, H., and M. T. Gudmundsson (1993), Variations in the thermal output of the Subglacial Grímsvötn Caldera, Iceland, Geophys. Res. Lett., 20(19), 2127-2130.
7. Björnsson, H., F. Pálsson, and M. T. Gudmundsson (1992), Vatnajökull, north-western part: ice surface and bedrock maps, University of Iceland. National Power Company and Science Institute, Reykjavik.
8. Blankenship, D. D., R. E. Bell, S. M. Hodge, J. M. Brozena, J. C. Behrendt, and C. A. Finn (1993), Active volcanism beneath the West Antarctic ice sheet and implications for ice-sheet stability, Nature, 361, 526-529.
9. Clarke, G. K. C., G. M. Cross, and C. S. Benson (1989), Radar imaging of Glaciovolcanic Stratigraphy, Mount Wrangell Caldera, Alaska - interpretation model and results, J. Geophys. Res., 94, 7237-7249.
10. Glen, J. W. (1955), The creep of polycrystalline ice, Proceedings of the Royal Society, London, A228(1175), 519-538.
11. Gudmundsson, M. T., and P. Högnadóttir (2005), Jarohiti í Grímsvötnum ário 2004, tengsl eldgoss og jarohita, Tech. Rep. RH-02-2005, Jarovísindastofnun Háskólans.
12. Gudmundsson, M. T., H. Björnsson, and F. Palsson (1995), Changes in Jökulhlaup sizes in Grimsvötn, Vatnajökull, Iceland, 1934-91, deduced from in-situ measurements of subglacial lake volume, J. Glaciol., 41, 263-272.
13. Gudmundsson, M. T., F. Sigmundsson, and H. Björnsson (1997), Ice-volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland, Nature, 389, 954-957.
14. Gudmundsson, M. T., F. Sigmundsson, H. Björnsson, and P. Högnadóttir (2004), The 1996 eruption at Gjálp, Vatnajökull ice cap, Iceland: efficiency of heat transfer, ice deformation and subglacial water pressure, Bull. Volcanol., 66, 46-65.
15. Hubbard, A., H. Blatter, P. Nienow, D. Mair, and B. Hubbard (1998), Comparison of a three-dimensional model for glacier flow with field data from Haut Glacier d'Arolla, Switzerland, J. Glaciol., 44(147), 368-378.
16. Hutter, K. (1983), Theoretical Glaciology: Material Science of Ice and the Mechanics of Glaciers and Ice Sheets, Springer, New York, USA.
17. Larsen, G. (2002), A brief overview of eruptions from ice-covered and ice-capped volcanic systems in iceland during the past 11 centuries: frequency, periodicity and implications, in Volcano-Ice Interaction on Earth and Mars, edited by J. L. Smellie and M. C. Chapman, pp. 81-90, Geological Society, London, Special Publications, 202.
18. Larsen, G., M. T. Gudmundsson, and H. Björnsson (1998), Eight centuries of periodic volcanism at the center of the Iceland hotspot revealed by glacier tephrostratigraphy, Geology, 26, 943-946.
19. Le Meur, E., O. Gagliardini, T. Zwinger, and J. Ruokolainen (2004), Glacier flow modelling: a comparison of the Shallow Ice approximation and the full-Stokes solution, Comptes Rendus Physique, 5, 709-722.
20. Major, J. J., and C. G. Newhall (1989), Snow and Ice perturbation during historical volcanic-eruptions and the formation of lahars and floods - a global review, Bull. Volcanol., 52, 1-27.
21. Marshall, S. J. (2005), Recent advances in understanding ice sheet dynamics, Earth Planet. Sci. Lett., 240, 191-204.
22. Martin, C., F. Navarro, J. Otero, M. L. Cuadrado, and M. I. Corcuera (2004), Three-dimensional modelling of the dynamics of Johnsons Glacier, Livingston Island, Antarctica, Ann. Glaciol., 39, 1-8.
23. Mickens, R. E. (1994), Nonstandard Finite Difference Models of Differential Equations, World Scientific, Singapore.
24. Nye, J. F. (1957), The distribution of stress and velocity in glaciers and icesheets, Proc. R. Soc. London, 239, 113-133.
25. Paterson, W. S. B. (2001), The Physics of Glaciers, 3rd ed., Butterworth Heinemann, Oxford.
26. Petrenko, V. F., and R. W. Whitworth (1999), Physics of Ice, Oxford University Press, Oxford.
27. Pozrikidis, C. (1996), Introduction to Theoretical and Computational Fluid Dynamics, Oxford University Press, New York.
28. Raymond, M. J., and G. H. Gudmundsson (2005), On the relationship between surface and basal properties on glaciers, ice sheets, and ice streams, J. Geophys. Res., 110, BO8411 doi:10.1029/2005JB003681.