Using airborne Ku-band altimeter waveforms to investigate winter accumulation and glacier facies on Austfonna, Svalbard

Journal of Glaciology

Volumn 59, Issue 217, 2013, Pages 893-899

  Hawley, Robert L ^a   Brandt, Ola ^b   Dunse, Thorben ^c   Hagen, Jon Ove ^c   Helm, Veit ^d   Kohler, Jack ^b   Langley, Kirsty ^c   Malnes, Eirik ^e   Hogda, Kjell Arild ^e  

^a Dartmouth College ^*  (United States)

^b NORWEGIAN POLAR INSTITUTE   (Norway)

^c UNIVERSITY OF OSLO   (Norway)

^d ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

^e NORUT IT   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ACCUMULATION RATE; AIRBORNE SURVEY; ALTIMETER; FIRN; GLACIER DYNAMICS; GLACIER MASS BALANCE; GROUND-BASED MEASUREMENT; ICE CAP; ICE THICKNESS; SNOW ACCUMULATION; SYNTHETIC APERTURE RADAR; WINTER;

ARCTIC; AUSTFONNA; NORDAUSTLANDET; SVALBARD; SVALBARD AND JAN MAYEN;

EID: 84891480824     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/2013JoG13J051     Document Type: Article

References (37)

1. Alley RB, Spencer MK and Anandakrishnan S (2007) Ice-sheet mass balance: assessment, attribution and prognosis. Ann. Glaciol., 46, 1-7 (doi: 10.3189/172756407782871738)
2. Arthern RJ, Wingham DJ and Ridout AL (2001) Controls on ERS altimeter measurements over ice sheets: footprint-scale topography, backscatter fluctuations, and the dependence of microwave penetration depth upon satellite orientation. J. Geophys. Res., 106(D24), 33 471-33 484 (doi: 10.1029/2001JD000498)
3. Bamber J, Krabill W, Raper V and Dowdeswell J (2004) Anomalous recent growth of part of a large Arctic ice cap: Austfonna, Svalbard. Geophys. Res. Lett., 31(12), L12402 (doi: 10.1029/2004GL019667)
4. Bevan S, Luckman A, Murray T, Sykes H and Kohler J (2007) Positive mass balance during the late 20th century on Austfonna, Svalbard, revealed using satellite radar interferometry. Ann. Glaciol., 46, 117-122 (doi: 10.3189/172756407782871477)
5. Brandt O and 7 others (2008) Comparison of airborne radar altimeter and ground-based Ku-band radar measurements on the ice cap Austfonna, Svalbard. In 28th International Geoscience and Remote Sensing Symposium (IGARSS 2008), 6-11 July 2008, Boston, MA, USA. Proceedings, Vol. 4. Institute of Electrical and Electronics Engineers, Piscataway, NJ, 177-180
6. Brenner AC, DiMarzio JP and Zwally HJ (2007) Precision and accuracy of satellite radar and laser altimeter data over the continental ice sheets. IEEE Trans. Geosci. Remote Sens., 45(2), 321-331 (doi: 10.1109/TGRS.2006.887172)
7. Church JA and 9 others (2011) Revisiting the Earth's sea-level and energy budgets from 1961 to 2008. Geophys. Res. Lett., 38(18), L18601 (doi: 10.1029/2011GL048794)
8. Cogley JG (2009) Geodetic and direct mass-balance measurements: comparison and joint analysis. Ann. Glaciol., 50(50), 96-100 (doi: 10.3189/172756409787769744)
9. Dowdeswell JA, Benham TJ, Strozzi T and Hagen JO (2008) Iceberg calving flux and mass balance of the Austfonna ice cap on Nordaustlandet, Svalbard. J. Geophys. Res., 113(F3), F03022 (doi: 10.1029/2007JF000905)
10. Dunse T, Schuler TV, Hagen JO, Eiken T, Brandt O and Hogda KA (2009) Recent fluctuations in the extent of the firn area of Austfonna, Svalbard, inferred from GPR. Ann. Glaciol., 50(50), 155-162 (doi: 10.3189/ 172756409787769780)
11. Hawley RL, Morris EM, Cullen R, Nixdorf U, Shepherd AP and Wingham DJ (2006) ASIRAS airborne radar resolves internal annual layers in the dry-snow zone of Greenland. Geophys. Res. Lett., 33(4), L04502 (doi: 10.1029/ 2005GL025147)
12. Helm V and 6 others (2007) Winter accumulation in the percolation zone of Greenland measured by airborne radar altimeter. Geophys. Res. Lett., 34(6), L06501 (doi: 10.1029/2006GL029185)
13. Hindberg H, Malnes E and Hogda KA (2012) A monitoring system for glaciers on Svalbard based on Envisat ASAR wide swath data. In International Geoscience and Remote Sensing Symposium (IGARSS 2012), 22-27 July 2012, Munich, Germany. Proceedings. Institute of Electrical and Electronics Engineers, Piscataway, NJ, 1856-1859
14. Konig M, Wadham J, Winther JG, Kohler J and Nuttall A-M (2002) Detection of superimposed ice on the glaciers Kongsvegen and midre Lovenbreen, Svalbard, using SAR satellite imagery. Ann. Glaciol., 34, 335-342 (doi: 10.3189/172756402781817617)
15. Kovacs A, Gow AJ and Morey RM (1995) The in-situ dielectric constant of polar firn revisited. Cold Reg. Sci. Technol., 23(3), 245-256 (doi: 10.1016/0165-232X(94)00016-Q)
16. Lacroix P, Legresy B, Coleman R, Dechambre M and Remy F (2007) Dual-frequency altimeter signal from Envisat on the Amery iceshelf. Remote Sens. Environ., 109(3), 285-294 (doi: 10.1016/j.rse.2007.01.007)
17. Langley K and 6 others (2007) Use of C-band ground penetrating radar to determine backscatter sources within glaciers. IEEE Trans. Geosci. Remote Sens., 45(5), 1236-1246 (doi: 10.1109/TGRS.2007.892600)
18. Langley K and 6 others (2008) From glacier facies to SAR backscatter zones via GPR. IEEE Trans. Geosci. Remote Sens., 46(9), 2506-2516 (doi: 10.1109/TGRS.2008.918648)
19. Lemke P and 10 others (2007) Observations: changes in snow, ice and frozen ground. In Solomon S and 7 others eds. Climate change 2007: the physical science basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, 339-383
20. Lentz H, Braun H-M, Younis M, Fischer C, Wiesbeck W and Mavrocordatos C (2002) Concept and realization of an Airborne SAR/Interferometric Radar Altimeter System (ASIRAS). In Inter- national Geoscience and Remote Sensing Symposium (IGARSS 2002), 24-28 June 2002, Toronto, Canada. Proceedings, Vol. 6. Institute of Electrical and Electronics Engineers, Piscataway, NJ, 3099-3101
21. Meier MF and 7 others (2007) Glaciers dominate eustatic sea-level rise in the 21st century. Science, 317(5841), 1064-1067 (doi: 10.1126/science.1143906)
22. Moholdt G, Hagen JO, Eiken T and Schuler TV (2010) Geometric changes and mass balance of the Austfonna ice cap, Svalbard. Cryosphere, 4(1), 21-34 (doi: 10.5194/tcd-3-857-2009)
23. Muhleman DO (1964) Radar scattering from Venus and the Moon. Astron. J., 69(1), 34-41
24. Oswald GKA and Gogineni SP (2008) Recovery of subglacial wate extent from Greenland radar survey data. J. Glaciol., 54(184), 94-106 (doi: 10.3189/002214308784409107)
25. Paterson WSB (1994) The physics of glaciers, 3rd edn. Elsevier, Oxford.
26. Pinglot JF, Hagen JO, Melvold K, Eiken T and Vincent C (2001) A mean net accumulation pattern derived from radioactive layers and radar soundings on Austfonna, Nordaustlandet, Svalbard. J. Glaciol., 47(159), 555-566 (doi: 10.3189/172756501781831800)
27. Rignot E, Box JE, Burgess E and Hanna E (2008) Mass balance of the Greenland ice sheet from 1958 to 2007. Geophys. Res. Lett., 35(20), L20502 (doi: 10.1029/2008GL035417)
28. Rignot E, Velicogna I, Van den Broeke MR, Monaghan A and Lenaerts J (2011) Acceleration of the contribution of the Greenland and Antarctic ice sheets to sea level rise. Geophys. Res. Lett., 38(5), L05503 (doi: 10.1029/2011GL046583)
29. Sabel D, Bartalis Z, Wagner W, Doubkova M and Klein J-P (2012) Development of a Global Backscatter Model in support to the Sentinel-1 mission design. Remote Sens. Environ., 120, 102-112 (doi: 10.1016/j.rse.2011.09.028)
30. Schuler TV, Loe E, Taurisano A, Eiken T, Hagen JO and Kohler J (2007) Calibrating a surface mass-balance model for Austfonna ice cap, Svalbard. Ann. Glaciol., 46, 241-248 (doi: 10.3189/172756407782871783)
31. Scott J, Mair D, Nienow P, Parry V and Morris E (2006a) A groundbased radar backscatter investigation in the percolation zone of the Greenland Ice Sheet. Remote Sens. Environ., 104(4), 361-373 (doi: 10.1016/j.rse.2006.05.009)
32. Scott J, Nienow P, Parry V, Mair D, Morris E and Wingham D (2006b) The importance of seasonal and annual layers in controlling backscattter to radar altimeters across the percolation zone of an ice sheet. Geophys. Res. Lett., 33(24), L24502 (doi: 10.1029/2006GL027974)
33. Shepherd A and 46 others (2012) A reconciled estimate of ice-sheet mass balance. Science, 338(6111), 1183-1189 (doi: 10.1126/science.1228102)
34. Taurisano A and 6 others (2007) The distribution of snow accumulation across Austfonna ice cap Svalbard: direct measurements and modelling. Polar Res., 26(1), 7-13 (doi: 10.1111/j.1751-8369.2007.00004.x)
35. Ulander LMH (1996) Radiometric slope correction of syntheticaperture radar images. IEEE Trans. Geosci. Remote Sens., 34(5), 1115-1122 (doi: 10.1109/36.536527)
36. Wingham DJ and 15 others (2006) CryoSat: a mission to determine the fluctuations in Earth's land and marine ice fields. Adv. Space Res., 37(4), 841-871 (doi: 10.1016/j.asr.2005.07.027)
37. Zwally HJ and Giovinetto MB (2011) Overview and assessment of Antarctic ice-sheet mass balance estimates: 1992-2009. Surv. Geophys., 32(4-5), 351-376 (doi: 10.1007/s10712-011-9123-5)