Helle Astrid Kjær

Helle Astrid Kjær

Assistant professor


  1. 2014
  2. Published

    A novel method for the detection of acidity in ice cores. / Kjær, Helle Astrid; Vallelonga, Paul Travis; Svensson, Anders.

    European Geosciences Union General Assembly 2014, 16, 27 April – 02 May 2014. European Geosciences Union. ed. Vienna, Austria, 2014. 1526.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  3. Published

    Constraining Glacial input of phosphorus to the oceans based on Greenland ice core evidence. / Kjær, Helle Astrid; Gotto-Azuma, Kumiko; Dallmayr, R.; Hirabayashi, M.; Vallelonga, Paul Travis; Svensson, Anders.

    European Geosciences Union General Assembly 2014, 16, 27 April – 02 May 2014. European Geosciences Union. ed. Vienna, Austria, 2014. 1524.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  4. Published

    Determination of 129I in Arctic snow by a novel analytical approach using IC-ICP-SFMS. / Ezerinskis, Zilvinas; Spolaor, Andrea; Kirchgeorg, Torben; Cozzi, Giulio; Vallelonga, Paul; Kjaer, Helle A.; Sapolaite, Justina; Barbante, Carlo; Druteikiene, Ruta.

    In: Journal of Analytical Atomic Spectrometry, Vol. 29, No. 10, 10.01.2014, p. 1827-1834.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Initial results from geophysical surveys and shallow coring of the Northeast Greenland Ice Stream (NEGIS). / Vallelonga, Paul Travis; Christianson, K.; Alley, R.B.; Anandakrishnan, S.; Dahl-Jensen, Dorthe; Gkinis, Vasileios; Holme, Christian Terkelsen; Jacobel, R.w.; Karlsson, Nanna Bjørnholt; Keisling, B.A.; Kipfstuhl, S.; Kjær, Helle Astrid; Kristensen, Magnus Elleskov; Muto, A.; Peters, L.E.; Popp, Trevor James; Riverman, K.L.; Svensson, Anders; Tibuleac, Catalin; Vinther, Bo Møllesøe; Weng, Y; Winstrup, Mai.

    In: The Cryosphere Discussions, Vol. 8, 10.01.2014, p. 1275-1287.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Seasonality of halogen deposition in polar snow and ice. / Spolaor, A.; Vallelonga, P.; Gabrieli, J.; Martma, T.; Bjorkman, M. P.; Isaksson, E.; Cozzi, G.; Turetta, C.; Kjaer, H. A.; Curran, M. A. J.; Moy, A. D.; Schoenhardt, A.; Blechschmidt, A. -M.; Burrows, J. P.; Plane, J. M. C.; Barbante, C.

    In: Atmospheric Chemistry and Physics, Vol. 14, No. 18, 10.01.2014, p. 9613-9622.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Continuous Chemistry in Ice Cores : Phosphorus, pH and the Photolysis of Humic Like Substances. / Kjær, Helle Astrid.

    The Niels Bohr Institute, Faculty of Science, University of Copenhagen, 2014.

    Research output: Book/ReportPh.D. thesisResearch

ID: 33355865