A new, high-resolution digital elevation model of Greenland fully validated with airborne laser altimeter data

Journal of Geophysical Research: Solid Earth

Volumn 106, Issue B4, 2001, Pages 6733-6745

  Bamber, Jonathan L ^a   Ekholm, Simon ^b   Krabill, William B ^c  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b Kort & Matrikelstyrelsen   (Denmark)

^c NASA GODDARD SPACE FLIGHT CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIGITAL ELEVATION MODEL; ICE SHEET; LASER; SATELLITE ALTIMETRY;

GREENLAND;

EID: 0034953861     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2000jb900365     Document Type: Article

References (36)

1. Abdalati, W., and W.B. Krabill, Calculation of ice velocities in the Jakobshavn Isbrae area using airborne laser altimetry, Remote Sens. Environ., 67(2), 194-204, 1999.
2. Bamber, J.L., Ice sheet altimeter processing scheme, Int. J. Remote Sens., 14(4), 925-938, 1994.
3. Bamber, J.L., S. Ekholm, and W.B. Krabill, A digital elevation model of the Greenland Ice Sheet and validation with airborne laser altimeter data, paper presented at the 3rd ERS Symposium-Space at the Service of the Environment, Eur. Space Agency, Florence, Italy, March 14-21, 1997.
4. Bamber, J.L., S. Ekholm, and W.B. Krabill, The accuracy of satellite radar altimeter data over the Greenland ice sheet determined from airborne laser data, Geophys. Res. Lett., 25(16), 3177-3180, 1998.
5. Bamber, J.L., R.J. Hardy, and I. Joughin, An analysis of balance velocities over the Greenland ice sheet and comparison with synthetic aperture radar interferometry, J. Glaciol., 46(152), 67-74, 2000.
6. Brenner, A.C., R.A. Bindschadler, R.H. Thomas, and H.J. Zwally, Slope-induced errors in radar altimetry over continental ice sheets, J. Geophys. Res., 88, 1617-1623, 1983.
7. Brooks, R.L., W.J. Campbell, R.O. Ramseier, H.R. Stanley, and H.J. Zwally, Ice sheet topography by satellite altimetry, Nature, 274(5671), 539-543, 1978.
8. Ekholm, S., A full coverage, high-resolution, topographic model of Greenland computed from a variety of digital elevation data, J. Geophys. Res., 101, 21,961-21,972, 1996.
9. Ekholm, S., K. Keller, J.L. Bamber, and S.P. Gogineni, Unusual surface morphology from digital elevation models of the Greenland ice sheet, Geophys. Res. Lett., 25(19), 3623-3626, 1998.
10. Ekholm, S., J.L. Bamber, W. B. Krabill, The use of airborne laser data to calibrate satellite radar altimetry data over ice sheets, J. Geodyn., in press, 2000.
11. Fahnestock, M., R. Bindschadler, R. Kwok, and K. Jezek, Greenland ice sheet surface properties and ice dynamics from ERS-1 SAR imagery, Science, 262(5139), 1530-1534, 1993.
12. Francis, C.R., The ERS-1 altimeter: an overview, in ERS-1 Radar Altimeter Data Products, edited by T.D. Guyenne, and J.J. Hunt, pp. 9-16, Eur.Space Agency, Sci. and Tech. Publ. Branch, Noordwijk, Holland, 1984.
13. Huybrechts, P., A. Letreguilly, and N. Reeh, The Greenland ice sheet and greenhouse warming, Global Planet. Change, 89, 399-412, 1991.
14. Joughin, I., M. Fahnestock, S. Ekholm, and R. Kwok, Balance velocities of the Greenland ice sheet,Geophys. Res. Lett., 24(23), 3045-3048, 1997.
15. Joughin, I.R., D.P. Winebrenner, and M.A. Fahnestock, Observations of ice sheet motion in Greenland using satellite radar interferometry, Geophys. Res. Lett., 22(5), 571-574, 1995.
16. Kasper, J.F., A second-order Markov gravity anomaly model, J. Geophys. Res., 76, 7844-7849, 1971.
17. Krabill, W., R. Thomas, K. Jezek, K. Kuivinen, and S. Manizade, Greenland ice-sheet thickness changes measured by laser altimetry, Geophys. Res. Lett., 22(17), 2341-2344, 1995a.
18. Krabill, W.B., R.H. Thomas, C.F. Martin, R.N. Swift, and E.B. Frederick, Accuracy of airborne laser altimetry over the Greenland ice sheet, Int J. Remote Sens., 16(7), 1211-1222, 1995b.
19. Layberry, R.L., and J.L. Bamber, A new ice thickness and bedrock elevation data set for Greenland, part II: relationship between dynamics and basal topography, J. Geophys. Res., in press, 2001.
20. Lingle, C.S., A.C. Brenner, and H.J. Zwally, Satellite altimetry, semivariograms, and seasonal elevation changes in the ablation zone of west Greenland, Ann. Glaciol. 14, 158-163, 1990.
21. Lusby-Taylor, C., A rectangular tesselation with computational and database advantages, in Spatial Data Processing using Tesseral Methods, edited by B.M. Diaz, and S.B.M. Bell, pp. 391-402, Nat. Env. Res. Counc., Swindon, England, 1986.
22. Partington, K.C., J.K. Ridley, C.G. Rapley, and H.J. Zwally, Observations of the surface properties of the ice sheets by satellite radar altimetry, J. Glaciol., 35(120), 267-275, 1989.
23. Paterson, W.S.B., The Physics of Glaciers, 480 pp., Pergamon, Tarrytown, N.Y., 1994.
24. Rapley, C.G., et al., Analysis of ERS-1 altimeter data over the Polar ice sheets, Eur. Space Agency Spec. Publ. 359(1), 235-240, 1993.
25. Reeh, N., Parameterization of melt rate and surface temperature on the Greenland ice sheet., Polarforschung, 59(3), 113-128, 1991.
26. Reeh, N., and W. Starzer, Spatial resolution of ice-sheet topography: influence on Greenland mass-balance modelling, in Mass Balance and Related Topics of the Greenland Ice Sheet, edited by O.B. Olsen, pp. 85-94, Geol. Undersøgelser, Copenhagen, 1996.
27. Rignot, E.J., S.P. Gogineni, W.B. Krabill, and S. Ekholm, North and northeast Greenland ice discharge from satellite radar interferometry, Science, 276(5314), 934-937, 1997.
28. Scharroo, R., and P. Visser, ERS tandem mission orbits: Is 5 cm still a challenge?, paper presented at the 3rd ERS Symposium on Space at the Service of our Environment, Eur. Space Agency, Florence, Italy, 14-21 March 1997.
29. Scott, R.F., et al., An investigation of the tracking performance of the ERS-1 radar altimeter over non-ocean surfaces, UK-PAF Report PF-RP-MSL-AL-0100, Eur. Space Agency, Frascati, 1992.
30. Scott, R.F., et al., A comparison of the performance of the ice and ocean tracking modes of the ERS-1 radar altimeter over non-ocean surfaces, Geophys. Res. Lett., 21(7), 553-556, 1994.
31. Strawbridge, F., and S. Laxon, ERS-1 altimeter fast delivery data quality flagging over land surfaces, Geophys. Res. Lett., 21(18), 1995-1998, 1994.
32. Tapley, B.D., et al., The joint gravity model 3, J. Geophys. Res., 101, 28,029-28,049, 1996.
33. van de Wal, R. S. W., and S. Ekholm, On elevation models as input for mass-balance calculations of the Greenland ice sheet, in International Symposium on Ice Sheet Modelling, edited by K. Hutter, pp. 181-186, Int. Glaciol. Soc., Chamonix, France, 1996.
34. van de Wal, R.S.W., and J. Oerlemans, Modelling the short-term response of the Greenland ice-sheet to global warming, Clim. Dyn., 13(10), 733-744, 1997.
35. Zwally, H.J., R.A. Bindschaler, A.C. Brenner, T.V. Martin, and R.H. Thomas, Surface elevation contours of Greenland and Antarctic ice sheets, J. Geophys. Res., 88, 1589-1596, 1983.
36. Zwally, H.J., J.A. Major, A.C. Brenner, and R.A. Bindschaler, Ice measurements by Geosat radar altimetry, Johns Hopkins APL Tech. Dig., 8(2), 251-254, 1987.