Jørgen Peder Steffensen

Jørgen Peder Steffensen

Professor


  1. 2005
  2. Published

    Volcanic ash layers from the last glacial ermination in the NGRIP ice core

    Mortensen, A. K., Bigler, M., Grönvold, K., Steffensen, Jørgen Peder & Johnsen, S. J., 2005, In: Journal of Quaternary Science. 20, 3, p. 209-219

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2004
  4. Published

    Volcanic eruption frequency over the last 45 ky as recorded in Epica-Dome C ice core (East Antarctica) and its relationship with climatic changes

    Castellano, E., Becagli, S., Jouzel, J., Migliori, A., Severi, M., Steffensen, Jørgen Peder, Traversi, R. & Udisti, R., 1 Jul 2004, In: Global and Planetary Change. 42, 1-4, p. 195-205 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Eight glacial cycles from an Antarctic ice core

    EPICA community members, Barbante...[et al.], C., Dahl-Jensen, Dorthe, Johnsen, S. J. & Steffensen, Jørgen Peder, 2004, In: Nature. 429, 10, p. 623-628

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Evidence for stratigraphic distortion in the Greenland Ice Core Project (GRIP) ice core during Event 5e1 (120 kyr BP) from gas isotopes

    Landais, A., Steffensen, Jørgen Peder, Caillon, N., Jouzel, J., Masson-Delmotte, V. & Schwander, J., 2004, In: Journal of Geophysical Research - Oceans. 109, p. D06103

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    High-resolution record of Northern Hemisphere climate extending into the last interglacial period

    North Greenland Ice Core Project members, Andersen, K. K., Azuma, N., Barnola, J-M., Bigler, M., Biscaye, P., Caillon, N., Chappellaz, J., Clausen, H. B., Dahl-Jensen, D., Fischer, H., Flückiger, J., Fritzsche, D., Fujii, Y., Goto-Azuma, K., Grønvold, K., Gundestrup, N. S., Hansson, M., Huber, C., Hvidberg, C. S. & 30 others, Johnsen, S. J., Jonsell, U., Jouzel, J., Kipfstuhl, S., Landais, A., Leuenberger, M., Lorrain, R., Masson-Delmotte, V., Miller, H., Motoyama, H., Narita, H., Popp, T., Rasmussen, Sune Olander, Raynaud, D., Röthlisberger, R., Ruth, U., Samyn, D., Schwander, J., Shoji, H., Siggaard-Andersen, Marie-Louise, Steffensen, Jørgen Peder, Stocker, T., Sveinbjörnsdóttir, A. E., Svensson, Anders, Takata, M., Tison, J., Thorsteinsson, T., Watanabe, O., Wilhelms, F. & White, J. W. C., 2004, In: Nature. 431, p. 147-151

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Magnetization of Greenland ice and its relationship with dust content

    Lanci, L., Kent, D. V., Biscaye, P. E. & Steffensen, Jørgen Peder, 2004, In: Journal of Geophysical Research - Oceans. 109, p. D09104

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Sensitivity of chemical species to climatic changes in the last 45 kyr as revealed by high-resolution dome C (East Antarctica) ice-core analysis

    Udisti, R., Becagli, S., Benassai, S., De Angelis, M., Hansson, M. E., Jouzel, J., Schwander, J., Steffensen, Jørgen Peder, Traversi, R. & Wolff, E., 2004, In: Annals of Glaciology. 39, p. 457-466

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Tracing volcanic events in the Greenland ice cores

    Davies, S. M., Mortensen, A. K., Baillie, M. G. L., Clausen, H. B., Grönvold, K., Hall, V. A., Johnsen, S. J., Pilcher, J. R., Steffensen, Jørgen Peder & Wastegård, S., 2004, In: PAGES News. 12, 3, p. 10-11

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2003
  12. Published

    A late-glacial high-resolution site and source temperature record derived from the EPICA Dome C isotope records (East Antarctica)

    Stenni, B., Jouzel, J., Masson-Delmotte, V., Röthlisberger, R., Castellano, E., Cattani, O., Falourd, S., Johnsen, S. J., Longinelli, A., Sachs, J. P., Selmo, E., Souchez, R., Steffensen, Jørgen Peder & Udisti, R., 2003, In: Earth and Planetary Science Letters. 217, p. 183-195

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    A tentative reconstruction of the last interglacial and glacial inception in Greenland based on new gas measurements in the Greenland Ice Core Project (GRIP) ice core

    Landais, A., Chappellaz, J., Delmotte, M., Jouzel, J., Blunier, Thomas, Bourg, C., Caillon, N., Cherrier, S., Malaizé, B., Masson-Delmotte, V., Raynaud, D., Schwander, J. & Steffensen, Jørgen Peder, 2003, In: Journal of Geophysical Research - Atmospheres. 108, D18, p. 4563

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Continuous record of microparticle concentration and size distribution in the central Greenland NGRIP ice core during the last glacial period

    Ruth, U., Wagenbach, D., Steffensen, Jørgen Peder & Bigler, M., 2003, In: Journal of Geophysical Research - Atmospheres. 108, D3, p. 4098

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Limited dechlorination of sea-salt aerosols during the last glacial period: evidence from the European project for ice coring in Antarctica (EPICA) dome C ice core

    Röthlisberger, R., Mulvaney, R., Wolff, E. W., Hutterli, M. A., Bigler, M., De Angelis, M., Hansson, M. E., Steffensen, Jørgen Peder & Udisti, R., 2003, In: Journal of Geophysical Research - Atmospheres. 108, D16, p. 4526-

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Nyt om iskerneboringerne i Antarktis

    Steffensen, Jørgen Peder, 2003, In: Aktuel Naturvidenskab. 2, p. 14-16

    Research output: Contribution to journalJournal articleCommunication

  17. Published

    Regional variability of ice core dust composition and provenance in Greenland

    Bory, A., Biscaye, P. E., Piotrowski, A. M. & Steffensen, Jørgen Peder, 2003, In: Geochemistry Geophysics Geosystems. 4, 12, p. 1107-

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 2002
  19. Published

    Comparison of analytical methods used for measuring major ions in the EPICA Dome C (Antarctica) ice core

    Littot, G. C., Mulvaney, R., Röthlisberger, R., Udisti, R., Wolff, E. W., Castellano, E., De Angelis, M., Hansson, M. E., Sommer, S. & Steffensen, Jørgen Peder, 2002, In: Annals of Glaciology. 35, p. 299-305

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Effect of density on electrical conductivity of chemically laden polar ice

    Barnes, P. R. F., Wolff, E. W., Mulvaney, R., Udisti, R., Castellano, E., Röthlisberger, R. & Steffensen, Jørgen Peder, 2002, In: Journal of Geophysical Research: Solid Earth. 107, B2, p. 2029

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    High-resolution microparticle profiles at NorthGRIP, Greenland: case studies of the calcium-dust relationship

    Ruth, U., Wagenbach, D., Bigler, M., Steffensen, Jørgen Peder, Röthlisberger, R. & Miller, H., 2002, In: Annals of Glaciology. 35, p. 237-242

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Kunsten at tælle til 100.000

    Steffensen, Jørgen Peder & Johnsen, S. J., 2002, In: Carlsbergfondet. Årsskriftet, p. 24-33

    Research output: Contribution to journalJournal articleResearch

  23. Published

    Lithium in Greenland ice cores measured by ion chromatography

    Siggaard-Andersen, M., Steffensen, Jørgen Peder & Fischer, H., 2002, In: Annals of Glaciology. Vol. 35, p. 243-249

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Nitrate in Greenland and Antarctic ice cores: a detailed description of post-depositional processes

    Röthlisberger, R., Hutterli, M. A., Wolff, E. W., Mulvaney, R., Fischer, H., Bigler, M., Goto-Azuma, K., Hansson, M. E., Ruth, U., Siggaard-Andersen, M. & Steffensen, Jørgen Peder, 2002, In: Annals of Glaciology. Vol. 35, p. 209-216

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Properties of GRIP ice crystals from around Greenland interstadial 3

    Hansen, K. M., Svensson, Anders, Wang, Y. & Steffensen, Jørgen Peder, 2002, In: Annals of Glaciology. 35, 1, p. 531-537 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    The NorthGRIP deep drilling programme

    Dahl-Jensen, Dorthe, Gundestrup, N. S., Miller, H., Watanabe, O., Johnsen, S. J., Steffensen, Jørgen Peder, Clausen, H. B., Svensson, Anders & Larsen, L. B., 2002, In: Annals of Glaciology. 35, 1, p. 1-4 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    The NorthGRIP ice-core logging procedure: description and evaluation

    Hvidberg, Christine Schøtt, Steffensen, Jørgen Peder, Clausen, H. B., Shoji, H. & Kipfstuhl, J., 2002, In: Annals of Glaciology. Vol. 35, p. 5-8

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Trifloureddikesyre - hvad nyt?

    Nielsen, Ole John & Steffensen, Jørgen Peder, 2002, In: Dansk Kemi. 83, 3, p. 28-30 2 p.

    Research output: Contribution to journalJournal articleCommunication

  29. 2001
  30. Published

    A new 27 ky hith resolution East Antarctic climate record

    Jouzel, J., Masson, V., Cattani, O., Falourd, S., Stievenard, M., Stenni, B., Longinelli, A., Johnsen, S. J., Steffensen, Jørgen Peder, Petit, J. R., Schwander, J., Souchez, R. & Barkov, N. I., 2001, In: Geophyscial Research Letters. Vol. 28, nr. 16, p. 3199-3202

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Glaciological and chemical studies on ice cores from Hans Tausen iskappe, Greenland

    Clausen, H. B., Stampe, M., Hammer, C. U., Hvidberg, Christine Schøtt, Dahl-Jensen, Dorthe & Steffensen, Jørgen Peder, 2001, In: Meddelelser om Grønland, Geoscience. 39, p. 123-149

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Ice Cores and Palaeoclimate

    Andersen, K. K., Ditlevsen, Peter & Steffensen, Jørgen Peder, 2001, Climate Change Research - Danish Contributions, DMI. Danmark: Danish Climate Centre, p. 37-52

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  33. Published

    Microparticles, soil derived chemical components and sea salt in the Hans Tausen Ice cap ice core from Peary Land, North Greenland

    Steffensen, Jørgen Peder, Siggaard-Andersen, M., Stampe, M. & Clausen, H. B., 2001, In: Meddelser fra Grønland, Geoscience. 39, p. 151-160

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    The Paleoclimatic Reocrd from a 345 m long Ice Core from the Hans Tausen Iskappe

    Hammer, C. U., Johnsen, S. J., Clausen, H. B., Dahl-Jensen, Dorthe, Gundestrup, N. S. & Steffensen, Jørgen Peder, 2001, In: Meddelser om Grønland, Geoscience. 39, p. 87-95

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. 1999
  36. Published

    Diversity of Holocene life forms in fossil glacier ice

    Willerslev, Eske, Hansen, Anders Johannes, Christensen, B., Steffensen, Jørgen Peder & Arctander, P., 1999, In: Proceedings of the National Academy of Science of the United States of America. 96, 14, p. 8017-21

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. 1997
  38. Published

    The δ18O record along the Greenland Ice Core Project deep ice core and the problem of possible Eemian climatic instability

    Johnsen, S. J., Clausen, H. B., Dansgaard, W., Gundestrup, N. S., Hammer, C. U., Andersen, U., Andersen, K. K., Hvidberg, Christine Schøtt, Dahl-Jensen, Dorthe, Steffensen, Jørgen Peder, Shoji, H., Sveinbjörnsdóttir, Á. E., White, J., Jouzel, J. & Fisher, D., 30 Nov 1997, In: Journal of Geophysical Research: Oceans. 102, C12, p. 26397-26410 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Primary aerosol (sea salt and soil dust) deposited in Greenland ice during the last climatic cycle: comparison with east Antarctic records

    de Angelis, M., Steffensen, Jørgen Peder, Legrand, M., Clausen, H. & Hammer, C., 1997, In: Journal of Geophysical Research - Oceans. Vol. 102, No. C12, p. 26681-266698

    Research output: Contribution to journalJournal articleResearch

  40. Published

    The chemical composition of cold events within the Eemian section of the Greenland Ice Core Project ice core from Summit, Greenland

    Steffensen, Jørgen Peder, Clausen, H. B., Hammer, C. U., Legrand, M. & de Angelis, M., 1997, In: Journal of Geophysical Research - Oceans. Vol. 102, No. C12, p. 26747-26754

    Research output: Contribution to journalJournal articleResearch

  41. Published

    The size distribution of microparticles from selected segments of the Greenland Ice Core Project ice core representing different climatic periods

    Steffensen, Jørgen Peder, 1997, In: Journal of Geophysical Research - Oceans. Vol. 102, No. C12, p. 26755-26763

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    The ð1'O8O record along the Greenland Ice Core Project deep ice core and the problem of possible Eemian climatic instability

    Johnsen, S. J., Clausen, H. B., Dansgaard, W., Gundestrup, N. S., Andersen, U. J., Andersen, K. K., Hvidberg, Christine Schøtt, Dahl-Jensen, Dorthe, Steffensen, Jørgen Peder, Shoji, H., Sveinbjörnsdottir, A. E., White, J., Jouzel, J., Fisher, D. A. & Hammer, C. U., 1997, In: Journal of Geophysical Research - Oceans. Vol. 102, No. C12, p. 26397-26410

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. 1994
  44. Published

    The GRIP deep drilling camp

    Gundestrup, N., Steffensen, Jørgen Peder & Schwander, J., 1994, Memoirs of National Institute of Polar Research, Special Issue No 49, Ice Drilling Technology; Proceedings of the Fourth International Workshop on Ice Drilling Technology, Tokyo, April 20 - 23, 1993. Japan, p. 358-370

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  45. 1993
  46. Published

    Climate instability during the last interglacial period recorded in the GRIP ice core

    Anklin, M., Barnola, J. M., Beer, J., Blunier, T., Chappellaz, J., Clausen, H. B., Dahl-Jensen, D., Dansgaard, W., Deangelis, M., Delmas, R. J., Duval, P., Fratta, M., Fuchs, A., Fuhrer, K., Gundestrup, N., Hammer, C., Iversen, P., Johnsen, S. J., Jouzel, J., Kipfstuhl, J. & 20 others, Legrand, M., Lorius, C., Maggi, V., Miller, H., Moore, J. C., Oeschger, H., Orombelli, G., Peel, D. A., Raisbeck, G., Raynaud, D., Hvidberg, Christine Schøtt, Schwander, J., Shoji, H., Souchez, R., Stauffer, B., Steffensen, Jørgen Peder, Stievenard, M., Sveinbjornsdottir, A., Thorsteinsson, T. & Wolff, E. W., 1993, In: Nature. 364, 6434, p. 203-207

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Evidence for general instability of past climate from a 250-KYR ice-core record

    Johnsen, S. J., Clausen, H. B., Dahl-Jensen, Dorthe, Hammer, C. U., Hvidberg, Christine Schøtt, Steffensen, Jørgen Peder, Dansgaard, W., Gundestrup, N., Sveinbjornsdottir, A., Jouzel, J. & Bond, G., 1993, In: Nature. 364, p. 218-220

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Greenland Ice Core "signal" characteristics: An expanded view of climate change

    Mayewski, P. A., Meeker, L. D., Morrison, M. C., Twickler, M. S., Whitlow, S. I., Ferland, K. K., Meese, D. A., Legrand, M. & Steffensen, Jørgen Peder, 1993, In: Journal of Geophysical Research - Atmospheres. Vol. 98, no. D7, p. 12839-12847

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Ongoing work on the size distribution of insoluble microparticles in Greenland ice cores from different climatic periods

    Steffensen, Jørgen Peder, 1993, Proceedings of the 5th Int. Symp. on Arctic Air Chemistry, Copenhagen, Denmark Sept. 8-10.1992 NERI Technical Report No. 70. Danmark, p. 11-15

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  50. 1992
  51. Published

    A "deep" ice core from East Greenland

    Johnsen, S. J., Clausen, H. B., Dansgaard, W., Gundestrup, N. S., Hansson, M., Jonsson, P., Steffensen, Jørgen Peder & Sveinbjörnsdóttir, Ñ. E., 1992, In: Meddelelser om Grønland,. Geoscience No. 293, p. 1-22

    Research output: Contribution to journalJournal articleResearch

  52. Published

    Indlandsisen gennemboret

    Dansgaard, W. & Steffensen, Jørgen Peder, 1992, In: Naturens Verden. 10, p. 361-370

    Research output: Contribution to journalJournal articleResearch

  53. Published

    Irregular glacial interstadials recorded in a new Greenland ice core

    Johnsen, S. J., Clausen, H. B., Dansgaard, W., Fuhrer, K., Gundestrup, N., Hammer, C. U., Iversen, P., Jouzel, J., Stauffer, B. & Steffensen, Jørgen Peder, 1992, In: Nature. Vol. 359, No. 6393, p. 311-313

    Research output: Contribution to journalLetterResearch

  54. 1985
  55. Published

    Microparticles in snow from the South Greenland ice sheet

    Steffensen, Jørgen Peder, 1 Jan 1985, In: Tellus B. 37 B, 4-5, p. 286-295 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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