Skip to main content Accessibility help
×
Home

Surge-related topographic change of the glacier Sortebræ, East Greenland, derived from synthetic aperture radar interferometry

  • Hamish Pritchard (a1) (a2), Tavi Murray (a1), Tazio Strozzi (a2) (a3), Stuart Barr (a1) and Adrian Luckman (a2)...

Abstract

A major surge of the glacier complex of Sortebræ, East Greenland, occurred between 1992 and 1995. The impact of this surge on the topography of Sortebræ was examined through the production of a pre-surge (1981) digital elevation model (DEM) from interpolated digital map data, and a post-surge DEM from differential synthetic aperture radar interferometry using European Remote-sensing Satellite (ERS) imagery. The combined vertical error is typically 30–40 m; however, downdraw of up to 270 m in the reservoir zone, and uplift of up to 145 m in the receiving zone were measured. The upper glacier reservoir area discharged in excess of 24.3 ± 9.5 km3 volume over the surge, of which ∼12.5 km3 was stored in the advanced lower glacier, the balance being lost, predominantly to calving.

  • View HTML
    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Surge-related topographic change of the glacier Sortebræ, East Greenland, derived from synthetic aperture radar interferometry
      Available formats
      ×

      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

      Surge-related topographic change of the glacier Sortebræ, East Greenland, derived from synthetic aperture radar interferometry
      Available formats
      ×

      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

      Surge-related topographic change of the glacier Sortebræ, East Greenland, derived from synthetic aperture radar interferometry
      Available formats
      ×

Copyright

References

Hide All
Chorley, R. J. and Haggett, M. A.. 1965. Trend-surface mapping in geographical research. Inst. Br. Geogr.Trans., 37(1), 4767.
Clarke, G. K. C. 1987. Fast glacier flow: ice streams, surging and tidewater glaciers. J. Geophys. Res., 92(B9), 88358841.
Dall, I., Madsen, S. N., Keller, K. and Forsberg, R.. 2001. Topography and penetration of the Greenland ice sheet measured with airborne SAR interferometry. Geophys. Res. Lett., 28(9), 17031706.
De Fazio, M. and Vinelli, F.. 1993. DEM reconstruction in SAR interferometry: practical experiences with ERS-1 SAR data. In IGARSS ’93, Better Understanding of Earth Environment, Tokyo, Japan, 18–21 August 1993. Proceedings.Vol. 3 . NewYork, Institute of Electrical and Electronics Engineers, 12071209.
Dolgoushin, L. D. and Osipova, G. B.. 1975. Glacier surges and the problem of their forecasting. International Association of Hydrological Sciences Publication 104 (Symposium at Moscow 1971 — Snow and Ice), 292304.
Fatland, D. R. and Lingle, C. S.. 1998. Analysis of the 1993–95 Bering Glacier (Alaska) surge using differential SAR interferometry. J. Glaciol., 44(148), 532546.
Fox, A. J. 1995. Using multiple data sources to enhance photogrammetry for mapping Antarctic terrain. Polar Res., 14(3), 317327.
Geological Survey of Denmark and Greenland (GEUS). 1996. Topographic map of Greenland. (Scale 1:100 000.) Copenhagen, Geological Survey of Denmark and Greenland. (Sheets 68°01′ NW, 68°02′ NE, 69°02′ SW and 69°03′ SE.)
Goldstein, R. M., Zebker, H. A. and Werner, C. L.. 1988. Satellite radar interferometry: two-dimensional phase unwrapping. Radio Science, 23(4), 713720.
Haining, R. 1987. Trend-surface models with regional and local scales of variation with an application to aerial survey data. Technometrics, 29(4), 461469.
Hodgkins, R. and Dowdeswell, J. A.. 1994. Tectonic processes in Svalbard tide-water glacier surges: evidence from structural glaciology. J. Glaciol., 40(136), 553560.
Jiskoot, H. 1999. Characteristics of surge-type glaciers. (Ph.D. thesis, University of Leeds.)
Jiskoot, H., Pedersen, A. K. and Murray, T.. 2001. Multi-model photogrammetric analysis of the1990s surge of Sortebræ, East Greenland. J. Glaciol., 47(159), 677687.
Kraus, K. 1993. Photogrammetry: fundamentalsand standard process. Fourth edition. Bonn, Fred. DümmlerVerlag.Vienna University of Technology.
Mohr, J. J., Reeh, N. and Madsen, S. N.. 1998. Three-dimensional glacial flow and surface elevation measured with radar interferometry. Nature, 391(6664), 273276.
Murray, T., Dowdeswell, J. A., Drewry, D. J. and Frearson, I.. 1998. Geometric evolution and ice dynamics during a surge of Bakaninbreen, Svalbard. J. Glaciol., 44(147), 263272. (Erratum: 45(150), 1999, 405.)
Murray, T., Strozzi, T., Luckman, A., Pritchard, H. and Jiskoot, H.. 2002. Ice dynamics during a surge of Sortebræ, East Greenland. Ann. Glaciol., 34, 323329.
Ohmura, A. and Reeh, N.. 1991. New precipitation and accumulation maps for Greenland. J. Glaciol., 37(125), 140148.
Olesen, O. B. and Reeh, N.. 1969. Preliminary report on glacier observations in Nordvestfjord, East Greenland. Grønl. Geol. Undersøgelse, Rapp., 21, 4153.
Oliver, M. A., Webster, R. and Gerrard, J.. 1989. Geostatistics in physical geography. Part 1: theory. Inst. British Geogr. N.S., 14, 259–2.
Raymond, C. F. 1987. How do glaciers surge? A review. J. Geophys. Res., 92(B9), 91219134.
Reeh, N., Bøggild, C. E. and Oerter, H.. 1994. Surge of Storstrømmen, a large outlet glacier from the inland ice of north-east Greenland. Grønl. Geol. Undersøgelse, Rapp. 162, 201209.
Rignot, E., Jezek, K. C. and Sohn, H. G.. 1995. Ice flow dynamics of the Greenland ice sheet from SAR interferometry. Geophys. Res. Lett., 22(5), 575578.
Squires, G. L. 1976. Practical physics. Second edition. Cambridge, McGraw-Hill Book Company (UK) Ltd.
Sturm, M. 1987. Observations on the distribution and characteristics of potholes on surging glaciers. J. Geophys. Res., 92(B9), 90159022.
Thomas, R. H. and 8 others. 2000. Substantial thinning of a major east Greenland outlet glacier. Geophys. Res. Lett., 27(9), 12911294.
Unwin, B. and Wingham, D.. 1997. Topography and dynamics of Austfonna, Nordaustlandet, Svalbard, from SAR interferometry. Ann. Glaciol., 24, 403408.
Weidick, A. 1988. Surging glaciers in Greenland: a status. Grønl. Geol. Undersøgelse, Rapp. 140, 106110.
Werner, C., Wegmüller, U., Strozzi, T. and Wiesmann, A.. 2001. Gamma SAR and interferometric processing software. In Sawaya-Lacoste, H., ed. ERS–ENVISAT Symposium, 16–20 October 2000, Gothenburg, Sweden. Proceedings. Noordwijk, European Space Agency, 133138.
Zebker, H. A. and Goldstein, R. M.. 1986.Topographic mapping from interferometric synthetic aperture radar observations. J. Geophys. Res., 91(B5), 49934999.
Zebker, H. A., Rosen, P. A., Goldstein, R. M., Gabriel, A. and Werner, C. L.. 1994. On the derivation of coseismic displacement fields using differential radar interferometry: the Landers earthquake. J. Geophys. Res., 99(B10), 19,61719,634.

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed