2. Dansgaard, W., S.J. Johnsen, H.B. Clausen, D. Dahl-Jensen, N. Gundestrup, C.U. Hammer, C.S. Hvidberg, J.P. Steffensen, A.E. Sveinbjörnsdottir, J. Jouzel, and G. Bond. 1993. Evidence for general instabili-ty of past climate from a 250-kyr ice-core record. Nature, Vol. 364, 218-220.
3. GRIP project members. 1993. Climate instability during the last interglacial period recorded in the GRIP core. Nature, Vol. 364, 203-207.
4. Hvidberg, C.S, K. Keller and N. Gundestrup. 1994. Mass balance calculations around GRIP, Central Greenland. In Mass balance and related topics of the Greenland Ice Sheet, eds. J.J.M. van der Meer and R.J. Braithwaite, Open File Ser. Grønlands geol. Unders., 94/13, 99-101.
5. Clausen H.B., C.U. Hammer, D. Dahl-Jensen and C.S. Hvidberg. 1995. 1250 years of global volcanism as revealed by Central Greenland Ice Cores. NATO ASI Series, I(30), 175-194.
6. Hvidberg, C.S. 1996. Steady state thermo-mechanical modelling of ice flow near the centre of large ice sheets with the finite element technique. Annals of Glaciology, 23, p. 116-123.
7. Waddington, E.D., D. Morse, R. Alley, S. Anandakrishnan, J. Bolzan, G. Clow, K. Cuffey, J. Cunningham, D. Dahl-Jensen, J. Firestone, N. Gundestrup, S. Hodge, C. Schøtt Hvidberg, R. Jacobel, N. Nereson, C. Raymond and K. Taylor. 1996. The role of glacier geophysics in the GISP 2 Ice Core Program. Arctic Research of the United States, 9, 10-19.
8. Hvidberg, C.S., D. Dahl-Jensen and E.D. Waddington. 1997. Ice flow between the GRIP and GISP2 bore holes in Central Greenland. Journal of Geophysical Research, Vol. 102(C12), 26,851-26,860.
9. Clausen, H.B., C.U. Hammer, C.S. Hvidberg, D. Dahl-Jensen, J.P. Steffensen and M. Legrand. 1997. A comparison of the volcanic records over the past 4000 years from the Greenland Ice Core Project and Dye 3 Greenland ice cores. Journal of Geophysical Research, Vol. 102(C12), 26,707-26,724.
10. Johnsen, S.J., H.B. Clausen, W. Dansgaard, N.S. Gundestrup, C.U. Hammer, U. Andersen, K.K. Andersen, C.S. Hvidberg, D. Dahl-Jensen, J.P. Steffensen, H. Shoji, A. Sveinbjörns-dóttir, J. White, J. Jouzel and D. Fisher. 1997. The ?18O record along the Greenland Ice Core Project deep ice core and the problem of possible Eamian climatic instability. Journal of Geophysical Research, Vol. 102(C12), 26,397-26.
11. Hvidberg, C.S., K. Keller, N.S. Gundestrup, C.C. Tscherning and R. Forsberg. 1997. Mass Balance and Surface Movement of the Greenland Ice Sheet at Summit, Central Greenland. Geophysical Research Letters, Vol. 24(18), 2307-2310.
12. Hvidberg, C.S. 2000. When Greenland ice melts. Nature, 404, News and Views, p. 551-552.
13. Keller, K., C.S. Hvidberg, N.S. Gundestrup and P. Jonsson. 2001. Surface Move-ment and Mass Balance of the Hans Tausen Drill Site determined by the use of GPS. Meddelelser om Grønland, 39, 115-122.
14. Clausen, H.B., M. Stampe, C.U. Hammer, C.S. Hvidberg, D. Dahl-Jensen and J.P. Steffensen. 2001. Glacio-chemical studies on ice cores from Hans Tausen Ice Cap, Greenland. Meddelelser om Grønland, 39, 123-150.
15. Hvidberg, C.S., K. Keller, N.S. Gundestrup and P. Jonsson. 2001. Ice divide flow at Hans Tausen Iskappe, North Greenland, from surface movement data. Journal of Glaciology, 156(47), 78-84.
16. Hvidberg, C.S., K. Keller and N.S. Gundestrup. Mass balance and ice flow along the NNW ridge of the Greenland Ice Sheet at NorthGRIP. In press, Annals of Glaciology, 35.
17. Hvidberg, C.S., J.P. Steffensen, H.B. Clausen, H. Shoji and J. Kipfstuhl. The NorthGRIP ice core logging procedure: description and evaluation. In press, Annals of Glaciology, 35.
18. Svensson, A., P. Baadsager, A. Persson, C.S. Hvidberg, and M.-L. Siggaard-Andersen. Seasonal variability in ice crystal properties at NorthGRIP. A case study around 301 m depth. Submitted to Annals of Glaciology, 37.
19. Hvidberg C.S. Relations between topography and flow in the North Polar Cap on Mars. Submitted to Annals of Glaciology, 37.
20. Hammer, C.U., K.K. Andersen, H.B. Clausen, D. Dahl-Jensen, C. Schøtt
Hvidberg and P. Iversen. The stratigraphic dating of the GRIP ice core.
Department of Geophysics, Niels Bohr Institute of Astronomy, Physics and
Geophysics, University of Copen-hagen, Denmark. 1998. (In press 1999?)
Published conference abstracts
Hvidberg, C.S. 2000. An ice flow model of the North Polar Martian Ice
Cap. In Second International Conference on Mars Polar Science and Exploration,
p. 79. LPI Contribution No. 1057, Lunar and Planetary Science Institute,
Houston, Texas.
Hvidberg, C.S. 2001. Scarps, troughs, and ice flow in the North Polar Cap on Mars. Lunar and Planetary Science Conference [CD-ROM] XXXII, abstract 1663, Lunar and Planetary Science Institute, Houston, Texas.
Hvidberg, C.S. 2001. Investigating time scales for closing polar troughs in the North Polar Cap on Mars by flow. Lunar and Planetary Science Conference [CD-ROM] XXXIII, abstract 1669, Lunar and Planetary Science Institute, Houston, Texas.
Hvidberg, C.S., W. Wang, J.H. Zwally, J. Saba. 2002 Estimating the
relative importance of ice flow and sublimation in the permanent North Polar
Cap on Mars. American Geophysical Union, Spring meeting.
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