Modeling surface-roughness/solar-ablation feedback: Application to small-scale surface channels and crevasses of the Greenland ice sheet

Annals of Glaciology

Volumn 52, Issue 59, 2011, Pages 99-108

  Cathles, L MacLagan ^a   Abbot, Dorian S ^a   Bassis, Jeremy N ^b   MacAYEAL, Douglas R ^a  

^a UNIVERSITY OF CHICAGO   (United States)

^b UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CREVASSE; DIURNAL VARIATION; EXPERIMENTAL STUDY; ICE SHEET; NUMERICAL MODEL; RADIATIVE TRANSFER; SEASONAL VARIATION; SOLAR RADIATION; SURFACE ROUGHNESS; ZENITH ANGLE;

ARCTIC; GREENLAND; GREENLAND ICE SHEET;

EID: 84856509178     PISSN: 02603055     EISSN: None     Source Type: Journal    
DOI: 10.3189/172756411799096268     Document Type: Article

References (15)

1. Anslow, F.S., S. Hostetler, W.R. Bidlake and P.U. Clark. 2008. Distributed energy balance modeling of South Cascade Glacier, Washington and assessment of model uncertainty. J. Geophys. Res., 113(F2), F02019. (10.1029/2007JF000850.)
2. Arnold, N.S., W.G. Rees, A.J. Hodson and J. Kohler. 2006. Topographic controls on the surface energy balance of a high Arctic valley glacier. J. Geophys. Res., 111(F2), F02011. (10.1029/2005JF000426.)
3. Betterton, M.D. 2001. Theory of structure formation in snowfields motivated by penitentes, suncups, and dirt cones. Phys. Rev. E, 63(5), 056129.
4. Harper, J., N. Humphrey, J. Brown and N. Pfeffer. 2011. Field measurement of meltwater retention on the Greenland ice sheet. Ann. Glaciol., 59 (see paper in this issue).
5. Hock, R. and B. Holmgren. 2005. A distributed surface energybalance model for complex topography and its application to Storglacïaren, Sweden. J. Glaciol., 51(172), 25-36. (Pubitemid 41595695)
6. Holmes, G.W. 1955. Morphology and hydrology of the Mint Julep area, southwest Greenland. In ProjectMint Julep. Part II.Maxwell Air Force Base, AL, Air University, 1-50.
7. Lampkin, D.J. and J. Vandenberg. In press. A preliminary investigation of the influence of basal and surface topography on supraglacial lake distribution near Jakobshavn Isbræ, western Greenland. Hydrol. Process. (10.1002/hyp.8170.)
8. L̈uthje, M., L.T. Pedersen, N. Reeh andW. Greuell. 2006. Modelling the evolution of supraglacial lakes on the West Greenland icesheet margin. J. Glaciol., 52(179), 608-618.
9. MacClune, K.L., A.G. Fountain, J.S. Kargel and D.R. MacAyeal. 2003. Glaciers of the McMurdo dry valleys: terrestrial analog for Martian polar sublimation. J. Geophys. Res., 108(E4), 5031. (10.1029/2002JE001878.)
10. Pfeffer,W.T. and C.S. Bretherton. 1987. The effect of crevasses on the solar heating of a glacier surface. IAHS Publ. 170 (Symposium at Vancouver 1987 - The Physical Basis of Ice Sheet Modelling), 191-205.
11. Raymond, M.J. and G.H. Gudmundsson. 2005. On the relationship between surface and basal properties on glaciers, ice sheets, and ice streams. J. Geophys. Res., 110(B8), B08411. (10.1029/2005JB003681.)
12. Van As, D. and 6 others. 2010. Climatology and ablation at the South Greenland ice sheet margin from automatic weather station observations. Cryos. Discuss., 3(1), 117-158.
13. Van den Broeke, M., P. Smeets, J. Ettema and P.K. Munneke. 2008. Surface radiation balance in the ablation zone of the west Greenland ice sheet. J. Geophys. Res., 113(D13), D13105. (10.1029/2007JD009283.)
14. Van der Veen, C.J., Y. Ahn, B.M. Csatho, E. Mosley-Thompson and W.B. Krabill. 2009. Surface roughness over the northern half of theGreenland Ice Sheet fromairborne laser altimetry. J. Geophys. Res., 114(F1), F01001. (10.1029/2008JF001067.)
15. Walraven, R. 1978. Calculating the position of the Sun. Sol. Energy, 20(5), 393-397.