Surface elevation change and mass balance of Icelandic ice caps derived from swath mode CryoSat-2 altimetry

Geophysical Research Letters

Volumn 43, Issue 23, 2016, Pages 12,138-12,145

  Foresta, L ^a   Gourmelen, N ^a,b   Palsson F ^c   Nienow, P ^a   Bjornsson H ^c   Shepherd, A ^d  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b UNIVERSITÉ DE STRASBOURG   (France)

^c UNIVERSITY OF ICELAND   (Iceland)

^d UNIVERSITY OF LEEDS   (United Kingdom)

Author keywords

ice caps; iceland; mass balance; radar altimetry; swath processing

Indexed keywords

SEA LEVEL; SNOW;

COMPLEX SURFACE; HIGH-RESOLUTION MAPPING; ICE-CAPS; ICELANDS; MAGMATIC PROCESS; MASS BALANCE; RADAR ALTIMETRY; SURFACE ELEVATION CHANGES;

ICE;

CRYOSAT; ELEVATION; GLACIOLOGY; ICE CAP; ICE COVER; INTERFEROMETRY; MASS BALANCE; RADAR ALTIMETRY; SEA LEVEL CHANGE; SWATH BATHYMETRY;

ICELAND;

EID: 85007298425     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/2016GL071485     Document Type: Article

References (45)

1. Aðalgeirsdóttir, G., G. H. Guðmundsson, and H. Björnsson (2005), The volume sensitivity of Vatnajökull Ice Cap, Iceland, to perturbations in equilibrium line altitude, J. Geophys. Res., 110, F04001, doi:10.1029/2005JF000289.
2. Aðalgeirsdóttir, G., T. Jóhannesson, H. Björnsson, F. Pálsson, and O. Sigurðsson (2006), Response of Hofsjökull and southern Vatnajökull, Iceland, to climate change, J. Geophys. Res., 111, F03001, doi:10.1029/2005JF000388.
3. Björnsson, H., and F. Pálsson (2008), Icelandic glaciers, Jökull, 58, 365–386.
4. Björnsson, H., F. Pálsson, M. T. Guðmundsson, and H. H. Haraldsson (1998), Mass balance of western and northern Vatnajökull, Iceland, 1991–1995, Jökull, 45, 35–38.
5. Björnsson, H., F. Pálsson, and H. H. Haraldsson (2002), Mass balance of Vatnajökull (1991–2001) and Langjökull (1996–2001), Iceland, Jökull, 51, 75–78.
6. Björnsson, H., F. Pálsson, O. Sigurðsson, and G. E. Flowers (2003), Surges of glaciers in Iceland, Ann. Glaciol., 36, 82–90.
7. Björnsson, H., F. Pálsson, S. Gudmundsson, E. Magnússon, G. Aðalgeirsdóttir, T. Jóhannesson, E. Berthier, O. Sigurdsson, and T. Thorsteinsson (2013), Contribution of Icelandic ice caps to sea level rise: Trends and variability since the Little Ice Age, Geophys. Res. Lett., 40, 1546–1550, doi:10.1002/grl.50278.
8. Bolch, T., L. S. Sørensen, S. B. Simonssen, N. Mölg, H. Machguth, P. Rastner, and F. Paul (2013), Mass loss of Greenland's glaciers and ice caps 2003–2008 revealed from ICESat laser altimetry data, Geophys. Res. Lett., 40, 875–881, doi:10.1002/grl.50270.
9. Christie, F. D. W., R. G. Bingham, N. Gourmelen, S. F. B. Tett, and A. Muto (2016), Four-decade record of pervasive grounding line retreat along the Bellingshausen margin of West Antarctica, Geophys. Res. Lett., 43, 5741–5749, doi:10.1002/2016GL068972.
10. de Woul, M., and R. Hock (2005), Static mass-balance sensitivity of Arctic glaciers and ice caps using a degree-day approach, Ann. Glaciol., 1, 217–224.
11. Fischer, A., H. Rott, and H. Björnsson (2003), Observation of recent surges of Vatnajökull, Iceland, by means of ERS SAR interferometry, Ann. Glaciol., 37, 69–76.
12. Flowers, G. E., S. J. Marshall, H. Björnsson, and G. K. C. Clarke (2005), Sensitivity of Vatnajökull ice cap hydrology and dynamics to climate warming over the next 2 centuries, J. Geophys. Res., 110, F02011, doi:10.1029/2004JF000200.
13. Gardner, A. S., G. Moholdt, B. Wouters, G. J. Wolken, D. O. Burgess, M. J. Sharp, J. G. Cogley, C. Braun, and C. Labine (2011), Sharply increased mass loss from glaciers and ice caps in the Canadian Arctic Archipelago, Nature, 473, 357–360, doi:10.1038/nature10089.
14. Gardner, A. S., et al. (2013), A reconciled estimate of glacier contributions to sea level rise: 2003 to 2009, Science, 340, 852–857, doi:10.1126/science.1234532.
15. Gourmelen, N., S. W. Kim, A. Shepherd, J. W. Park, A. Sundal, H. Björnsson, and F. Pálsson (2011), Ice velocity determined using conventional and multiple-aperture InSAR, Earth Planet. Sci. Lett., 307(1–2), 156–160, doi:10.1016/j.epsl.2011.04.026.
16. Gray, L., D. Burgess, L. Copland, R. Cullen, N. Galin, R. Hawley, and V. Helm (2013), Interferometric swath processing of Cryosat data for glacial ice topography, Cryosphere, 7, 1857–1867, doi:10.5194/tc-7-1857-2013.
17. Gray, L., D. Burgess, L. Copland, M. N. Demuth, T. Dunse, K. Langley, and T. V. Schuler (2015), CryoSat-2 delivers monthly and inter-annual surface elevation change for Arctic ice caps, Cryosphere, 9, 1895–1913, doi:10.5194/tc-9-1895-2015.
18. Guðmundsson, M. T., et al. (2016), Gradual caldera collapse at Bárðarbunga volcano, Iceland, regulated by lateral magma outflow, Science, 353(6296), aaf8988, doi:10.1126/science.aaf8988.
19. Guðmundsson, S., M. T. Guðmundsson, H. Björnsson, F. Sigmundsson, H. Rott, and J. M. Carstensen (2002), Three-dimensional glacier surface motion maps at the Gjálp aruption site, Iceland, inferred from combining InSAR and other ice-displacement data, Ann. Glaciol., 47, 315–322.
20. Guðmundsson, S., H. Björnsson, T. Jóhannesson, G. Aðalgeirsdóttir, F. Pálsson, and O. Sigurðsson (2009), Similarities and differences in the response to climate warming of two ice caps in Iceland, Hydrol. Res., 40, 495–502.
21. Guðmundsson, S., H. Björnsson, E. Magnússon, E. Berthier, F. Pálsson, M. T. Guðmundsson, Þ. Högnadóttir, and J. Dall (2011), Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing, Polar Res., 30, 7282, doi:10.3402/polar.v30i0.7282.
22. Hannesdóttir, H., H. Björnsson, F. Pálsson, G. Aðalgeirsdóttir, and S. Guðmundsson (2015), Changes in the southeast Vatnajökull ice cap, Iceland, between ~1890 and 2010, Cryosphere, 9, 565–585, doi:10.5194/tc-9-565-2015.
23. Hawley, R. L., A. Shepherd, R. Cullen, V. Helm, and D. J. Wingham (2009), Ice-sheet elevations from across-track processing of airborne interferometric radar altimetry, Geophys. Res. Lett., 36, L22501, doi:10.1029/2009GL040416.
24. Ignéczi, Á., A. J. Sole, S. J. Livingstone, A. A. Leeson, X. Fettweis, N. Selmes, N. Gourmelen, and K. Briggs (2016), Northeast sector of the Greenland Ice Sheet to undergo the greatest inland expansion of supraglacial lakes during the 21st century, Geophys. Res. Lett., 43, 9729–9738, doi:10.1002/2016GL070338.
25. Intergovernmental Panel on Climate Change (2013), Climate Change 2013—The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the IPCC, pp. 1–996, Cambridge Univ. Press, Cambridge, U. K., and New York.
26. Jacob, T., J. Wahr, W. T. Pfeffer, and S. Swenson (2012), Recent contributions of glaciers and ice caps to sea level rise, Nature, 482, 514–518, doi:10.1038/nature10847.
27. Jóhannesson, T., H. Björnsson, E. Magnússon, S. Guðmundsson, F. Pálsson, O. Sigurðsson, T. Thorsteinsson, and E. Berthier (2013), Ice-volume changes, bias estimation of mass-balance measurements and changes in subglacial lakes derived by lidar mapping of the surface of Icelandic glaciers, Ann. Glaciol., 54, 63–74, doi:10.3189/2013AoG63A422.
28. Magnússon, E., J. Muñoz-Cobo Belart, F. Pálsson, H. Ágústsson, and P. Crochet (2016), Geodetic mass balance record with rigorous uncertainty estimates deduced from aerial photographs and lidar data—Case study from Drangajökull ice cap, NW Iceland, Cryosphere, 10, 159–177, doi:10.5194/tc-10-159-2016.
29. McMillan, M., et al. (2014a), Rapid dynamic activation of a marine-based Arctic ice cap, Geophys. Res. Lett., 41, 8902–8909, doi:10.1002/2014GL062255.
30. McMillan, M., A. Shepherd, A. Sundal, K. Briggs, A. Muir, A. Ridout, A. Hogg, and D. Wingham (2014b), Increased ice losses from Antarctica detected by CryoSat-2, Geophys. Res. Lett., 41, 3899–3905, doi:10.1002/2014GL060111.
31. McMillan, M., et al. (2016), A high-resolution record of Greenland mass balance, Geophys. Res. Lett., 43, 7002–7010, doi:10.1002/2016GL069666.
32. Moholdt, G., C. Nuth, J. O. Hagen, and J. Kohler (2010a), Recent elevation changes of Svalbard glaciers derived from ICESat laser altimetry, Remote Sens. Environ., 114, 2756–2767.
33. Moholdt, G., J. O. Hagen, T. Eiken, and T. V. Schuler (2010b), Geometric changes and mass balance of the Austfonna ice cap, Svalbard, Cryosphere, 4, 21–34.
34. Moholdt, G., B. Wouters, and A. S. Gardner (2012), Recent mass changes of glaciers in the Russian High Arctic, Geophys. Res. Lett., 39, L10502, doi:10.1029/2012GL051466.
35. Möller, R., M. Möller, H. Björnsson, S. Guðmundsson, F. Pálsson, B. Oddsson, P. A. Kukla, and C. Schneider (2014), MODIS-derived albedo changes of Vatnajökull (Iceland) due to tephra deposition from the 2004 Grímsvötn eruption, Int. J. Appl. Earth Observ. Geoinf., 26, 256–269.
36. Nilsson, J., L. S. Sorensen, V. R. Barletta, and R. Forsberg (2015a), Mass change of Arctic ice caps and glaciers: Implications of regionalizing elevation changes, Cryosphere, 7, 5889–5920.
37. Nilsson, J., et al. (2015b), Greenland 2012 melt event effects on CryoSat-2 radar altimetry, Geophys. Res. Lett., 42, 3919–3926, doi:10.1002/2015GL063296.
38. Nuth, C., G. Moholdt, J. Kohler, J. O. Hagen, and A. Kääb (2010), Svalbard glacier elevation changes and contribution to sea level rise, J. Geophys. Res., 115, F01008, doi:10.1029/2008JF001223.
39. Oddsson, B., M. T. Gudmundsson, B. R. Edwards, T. Thordarson, E. Magnússon, and G. Sigurdsson (2016), Subglacial lava propagation, ice melting and heat transfer during emplacement of an intermediate lava flow in the 2010 Eyjafjallajökull eruption, Bull. Volcanol., 78, doi:10.1007/s00445-016-1041-4.
40. Pálsson, F., S. Guðmundsson, H. Björnsson, E. Berthier, E. Magnússon, and H. H. Haraldsson (2012), Mass and volume changes of Langjokull ice cap, Iceland, similar to 1890 to 2009, deduced from old maps, satellite images and in situ mass balance measurements, Jökull, 62, 81–96.
41. Pope, A., I. C. Willis, F. Pálsson, N. S. Arnold, W. G. Rees, H. Björnsson, and L. Grey (2016), Elevation change, mass balance, dynamics and surging of Langjökull, Iceland from 1997 to 2007, J. Glaciol., 62(233), 497–511, doi:10.1017/jog.2016.55.
42. Rinne, E. J., A. Shepherd, S. Palmer, M. R. van den Broeke, A. Muir, J. Ettema, and D. Wingham (2011b), On the recent elevation changes at the Flade Isblink Ice Cap, northern Greenland, J. Geophys. Res., 116, F03024, doi:10.1029/2011JF001972.
43. Rinne, E., A. Shepherd, A. Muir, and D. Wingham (2011a), A comparison of recent elevation change estimates of the Devon Ice Cap as measured by the ICESat and EnviSAT satellite altimeters, IEEE Trans. Geosci. Remote Sens., 49, 1902–1910.
44. Sigmundsson, F., et al. (2014), Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland, Nature, 517, 193–195.
45. Wingham, D. J., et al. (2006), CryoSat: A mission to determine the fluctuations in Earth's land and marine ice field, Adv. Space Res., 37, 841–871.