Digital optical televiewing of ice boreholes

Journal of Glaciology

Volumn 54, Issue 188, 2008, Pages 823-830

  Hubbard, Bryn ^a   Roberson, Sam ^a   Samyn, Denis ^b   Merton Lyn, Derek ^c  

^a ABERYSTWYTH UNIVERSITY   (United Kingdom)

^b UNIVERSITÉ LIBRE DE BRUXELLES   (Belgium)

^c Robertson Geologging Ltd   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BOREHOLE; DIGITIZATION; GLACIER DYNAMICS; GLACIER MASS BALANCE; ICE CORE; IMAGE ANALYSIS; VISUALIZATION;

ALPS; BERNESE ALPS; CENTRAL ALPS; CENTRAL EUROPE; EURASIA; EUROPE; GLACIER DE TSANFLEURON; SWITZERLAND; VALAIS;

EID: 61349147808     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/002214308787779988     Document Type: Article

References (17)

1. Alley, R.B. and 11 others. 1997. Visual-stratigraphic dating of the GISP2 ice core: basis, reproducibility, and application. J. Geophys. Res., 102(C12), 26,367-26,382.
2. Bramall, N.E., R.C. Bay, K. Woschnagg, R.A. Rohde and P.B. Price. 2005. A deep high-resolution optical log of dust, ash, and stratigraphy in South Pole glacial ice. Geophys. Res. Lett., 32(21), L21815. (10.1029/2005GLO24236.)
3. Copland, L., J. Harbor and M. Sharp. 1997. Borehole video observation of englacial and basal ice conditions in a temperate valley glacier. Ann. Glaciol., 24, 277-282.
4. Fountain, A.G., R.W. Jacobel, R. Schlichting and P. Jansson. 2005. Fractures as the main pathways of water flow in temperate glaciers. Nature, 433(7026), 618-621.
5. Glossop, K., P.J.G. Lisboa, P.C. Russell, A. Siddans and G.R. Jones. 1999. An implementation of the Hough transformation for the identification and labelling of fixed period sinusoidal curves. Comput. Vision Image Understand., 74(1), 96-100.
6. Hambrey, M.J. 1977. Foliation, minor folds and strain in glacier ice. Tectonophysics, 39(1-3), 397-416. Harper, J.T. and N.F. Humphrey. 1995. Borehole video analysis of a temperate glacier's englacial and subglacial structure: implications for glacier flow models. Geology, 23(10), 901-904.
7. Hawley, R.L. and E.M. Morris. 2006. Borehole optical stratigraphy and neutron-scattering density measurements at Summit, Greenland. J. Glaciol., 52(179), 491-496.
8. Hawley, R.L., E.D. Waddington, R.A. Alley and K.C. Taylor. 2003. Annual layers in polar firn detected by borehole optical stratigraphy. Geophys. Res. Lett., 30(15), 1788. (10.1029/2003GL017675.)
9. Hubbard, B., J.L. Tison, L. Janssens and B. Spiro. 2000. Ice-core evidence of the thickness and character of clear-facies basal ice: Glacier de Tsanfleuron, Switzerland. J. Glaciol., 46(152), 140-150.
10. Jenkins, G.M. and G.D. Watts. 1968. Spectral analysis and its applications. San Francisco, CA, Holden-Day.
11. Meese, D.A. and 8 others. 1997. The Greenland Ice Sheet Project 2 depth-age scale: methods and results. J. Geophys. Res., 102(C12), 26,411-26,423.
12. North Greenland Ice Core Project (NorthGRIP) Members. 2004. High-resolution record of Northern Hemisphere climate extending into the last interglacial period. Nature, 431(7005), 147-151.
13. Pohjola, V.A. 1994. TV-video observations of englacial voids in Storglaciären, Sweden. J. Glaciol., 40(135), 231-240.
14. Rasmussen, S.O. and 15 others. 2006. A new Greenland ice core chronology for the last glacial termination. J. Geophys. Res., 111(D6), D06102. (10.1029/2005JD006079.)
15. Siddans, A.W.B. 2002. Structural geology using borehole wall imagery: case study of an OPTV log in flagstones, North Scotland. First Break, 20(10), 623-629.
16. Svensson, A. and 7 others. 2005. Visual stratigraphy of the North Greenland Ice Core Project (NorthGRIP) ice core during the last glacial period. J. Geophys. Res., 110(D2), D02108. (10.1029/ 2004JD005134.)
17. Tison, J.L. and B. Hubbard. 2000. Ice crystallographic evolution at a temperate glacier: Glacier de Tsanfleuron, Switzerland. In Maltman A.J., B. Hubbard and M.J. Hambrey, eds. Deformation of glacial materials. London, Geological Society, 23-38. (Special Publication 176.)