Greenland 2012 melt event effects on CryoSat-2 radar altimetry

Geophysical Research Letters

Volumn 42, Issue 10, 2015, Pages 3919-3926

  Nilsson, Johan ^a   Vallelonga, Paul ^b   Simonsen, Sebastian B ^a   Sørensen, Louise Sandberg ^a   Forsberg, René ^a   Dahl Jensen, Dorthe ^b   Hirabayashi, Motohiro ^c   Goto Azuma, Kumiko ^c   Hvidberg, Christine S ^b   Kjær, Helle A ^b   Satow, Kazuhide ^d  

^a TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

^c NATIONAL INSTITUTE OF POLAR RESEARCH   (Japan)

^d NAGAOKA NATIONAL COLLEGE OF TECHNOLOGY   (Japan)

Author keywords

altimetry; CryoSat 2; elevation change; Greenland; melt event

Indexed keywords

RADAR; SNOW; STRATIGRAPHY;

ALTIMETRY; CRYOSAT; ELEVATION CHANGE; GREENLAND; GREENLAND ICE SHEET; POSITIVE ELEVATION; REFLECTIVE SURFACES; SCATTERING PROPERTY;

ICE;

CRYOSAT; EEMIAN; ELEVATION; RADAR ALTIMETRY; SATELLITE DATA; SIGNAL; SNOW; WAVEFORM ANALYSIS;

ARCTIC; GREENLAND; GREENLAND ICE SHEET;

EID: 84931565745     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/2015GL063296     Document Type: Article

References (19)

1. ACS Team, and MSSL Team (2011), CRYOSAT Ground Segment, Instrument Processing Facility l2, l2 Products Format Specification, European Space Agency. CS-RS-ACS-GS-5123.
2. Box, J. E., and, A. Rinke, (2003), Evaluation of Greenland Ice Sheet surface climate in the HIRHAM regional climate model using automatic weather station data, J. Clim., 16, 1302-1319, doi: 10.1175/1520-0442-16.9.1302.
3. Davis, C. H., (1997), A robust threshold retracking algorithm for measuring ice-sheet surface elevation change from satellite radar altimeters, IEEE Trans. Geosci. Remote Sens., 35 (4), 974-979, doi: 10.1109/36.602540.
4. Flament, T., and, F. Rêmy, (2012), Dynamic thinning of Antarctic glaciers from along-track repeat radar altimetry, J. Glaciol., 58 (211), 830-840, doi: 10.3189/2012JoG11J118.
5. Forsberg, R., L. Sørensen, J. Levinsen, and, J. Nilsson, (2013), Mass loss of Greenland from GRACE, ICESat and CryoSat, in Proceedings of the CryoSat Workshop, Dresden, ESA Special Publication 717, Paper S6-4.
6. Hall, D. K., J. C. Comiso, N. E. DiGirolamo, C. A. Shuman, J. E. Box, and, L. S. Koenig, (2013), Variability in the surface temperature and melt extent of the Greenland ice sheet from MODIS, Geophys. Res. Lett., 40, 2114-2120, doi: 10.1002/grl.50240.
7. Huining, W., J. Pulliainen, and, M. Hallikainen, (1999), Effective permittivity of dry snow in the 18 to 90 GHz range, Prog. Electromagn. Res., 24, 119-138, doi: 10.1163/156939399X00727.
8. Johannessen, O. M., K. Khvorostovsky, M. W. Miles, and, L. P. Bobylev, (2005), Recent ice-sheet growth in the interior of Greenland, Science, 310 (5750), 1013-1016, doi: 10.1126/science.1115356.
9. Khvorostovsky, K. S., (2012), Merging and analysis of elevation time series over Greenland Ice Sheet from satellite radar altimetry, IEEE Trans. Geosci. Remote Sens., 50 (1), 23-36, doi: 10.1109/TGRS.2011.2160071.
10. Kuramoto, T., K. Goto-Azuma, M. Hirabayashi, T. Miyake, H. Motoyama, D. Dahl-Jensen, and, J. P. Steffensen, (2011), Seasonal variations of snow chemistry at NEEM, Greenland, Ann. Glaciol., 52 (58), 193-200, doi: 10.3189/172756411797252365.
11. Laxon, S., (1994), Sea ice altimeter processing scheme at the EODC, Int. J. Remote Sens., 15 (4), 915-924, doi: 10.1080/01431169408954124.
12. Legresy, B. L., and, F. Rêmy, (1997), Altimetric observations of surface characteristics of the Antarctic Ice Sheet, J. Glaciol., 43 (144), 265-275.
13. Li, Y., and, C. H. Davis, (2008), Decadal mass balance of the Greenland and Antarctic Ice Sheets from high resolution elevation change analysis of ERS-2 and Envisat radar altimetry measurements, in IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2008, vol. 4, pp. IV-339-IV-342, IEEE, Boston, Mass.
14. Mätzler, C., and, U. Wegmüller, (1987), Dielectric properties of fresh-water ice at microwave frequencies, Phys. D: Appl. Phys., 20, 1623-1630, doi: 10.1088/0022-3727/20/12/013.
15. Nghiem, S. V., D. K. Hall, T. L. Mote, M. Tedesco, M. R. Albert, K. Keegan, C. A. Shuman, N. E. DiGirolamo, and, G. Neumann, (2012), The extreme melt across the Greenland Ice Sheet in 2012, J. Glaciol., 54 (185), 203-212, doi: 10.1029/2012GL053611.
16. Scott, J. B. T., P. Nienow, D. Mair, V. Parry, E. Morris, and, D. J. Wingham, (2006), Importance of seasonal and annual layers in controlling backscatter to radar altimeters across the percolation zone of an ice sheet, Geophys. Res. Lett., 33, L24502, doi: 10.1029/GL027974.
17. Stiles, W. H., and, F. T. Ulaby, (1980), Dielectric properties of snow, NASA contract, Tech. Rep. CR 166764, Kans. Univ. Cent. for Res., Inc.; Remote Sensing Lab., Lawrence.
18. Thomas, R., C. Davis, E. Frederick, W. B. Krabill, Y. Li, S. Manizade, and, C. Martin, (2008), A comparison of Greenland Ice-Sheet volume changes derived from altimetry measurements, Geophys. Res. Lett., 39, L20502, doi: 10.3189/002214308784886225.
19. Zwally, H., et al., (2011), Greenland Ice Sheet mass balance: Distribution of increased mass loss with climate warming 2003-2007 versus 1992-2002, J. Glaciol., 58 (201), 88-102, doi: 10.3189/002214311795306682.