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Rapid global ocean-atmosphere response to Southern Ocean freshening during the last glacial
Turney, C. S. M., Jones, R., Phipps, S. J., Thomas, Z., Hogg, A., Kershaw, P., Fogwill, C., Palmer, J., Ramsey, C. B., Adolphi, F., Muscheler, R., Hughen, K., Staff, R. A., Grosvenor, M., Golledge, N. R., Rasmussen, S. O., Hutchinson, D. K., Haberle, S., Lorrey, A., Boswijk, G. & 1 others, , 12 Sep 2017, In: Nature Communications. 8, 520.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Discovery of argon in air-hydrate crystals in a deep ice core using scanning electron microscopy and energy-dispersive X-ray spectroscopy
Uchida, T., Shigeyama, W., Oyabu, I., Goto-Azuma, K., Nakazawa, F., Homma, T., Kawamura, K. & Dahl-Jensen, Dorthe, 2022, In: Journal of Glaciology. 68, 269, p. 547-556 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Widespread pollution of the South American atmosphere predates the industrial revolution by 240 y
Uglietti, C., Gabrielli, P., Cooke, C. A., Vallelonga, P. & Thompson, L. G., 24 Feb 2015, In: Proceedings of the National Academy of the United States of America. 112, 8, p. 2349-2354Research output: Contribution to journal › Journal article › Research › peer-review
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Greenland Ice Core Record of Last Glacial Dust Sources and Atmospheric Circulation
Ujvari, G., Klotzli, U., Stevens, T., Svensson, Anders, Ludwig, P., Vennemann, T., Gier, S., Horschinegg, M., Palcsu, L., Hippler, D., Kovacs, J., Di Biagio, C. & Formenti, P., 16 Aug 2022, In: Journal of Geophysical Research: Atmospheres. 127, 15, 23 p., e2022JD036597.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Two possible source regions for central Greenland last glacial dust
Ujvari, G., Stevens, T., Svensson, Anders, Kloetzli, U. S., Manning, C., Nemeth, T., Kovacs, J., Sweeney, M. R., Gocke, M., Wiesenberg, G. L. B., Markovic, S. B. & Zech, M., 16 Dec 2015, In: Geophysical Research Letters. 42, 23, p. 399-408Research output: Contribution to journal › Journal article › Research › peer-review
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Exploring Pathways to More Accurate Machine Learning Emulation of Atmospheric Radiative Transfer
Ukkonen, P., Apr 2022, In: Journal of Advances in Modeling Earth Systems. 14, 4, 19 p., ARTN e2021MS002875.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Accelerating Radiation Computations for Dynamical Models With Targeted Machine Learning and Code Optimization
Ukkonen, P., Pincus, R., Hogan, R. J., Pagh Nielsen, K. & Kaas, Eigil, 15 Nov 2020, In: Journal of Advances in Modeling Earth Systems. 12, 12, 16 p., e2020MS002226.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Improving the trade-off between accuracy and efficiency of atmospheric radiative transfer computations by using machine learning and code optimization
Ukkonen, P. V., 2022, Niels Bohr Institute, Faculty of Science, University of Copenhagen. 117 p.Research output: Book/Report › Ph.D. thesis
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Interlaboratory comparison of delta C-13 and delta D measurements of atmospheric CH4 for combined use of data sets from different laboratories
Umezawa, T., Brenninkmeijer, C. A. M., Rockmann, T., van der Veen, C., Tyler, S. C., Fujita, R., Morimoto, S., Aoki, S., Sowers, T., Schmitt, J., Bock, M., Beck, J., Fischer, H., Michel, S. E., Vaughn, B. H., Miller, J. B., White, J. C., Brailsford, G., Schaefer, H., Sperlich, P. & 10 others, , 2 Mar 2018, In: Atmospheric Measurement Techniques. 11, 2, p. 1207-1231Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intercomparisons of δ<sup>13</sup>C and δD measurements of atmospheric CH<sub>4</sub> for combined use of datasets from different laboratories
Umezawa, T., Brenninkmeijer, C. A. M., Röckmann, T., Veen, C. V. D., Tyler, S. C., Fujita, R., Morimoto, S., Aoki, S., Sowers, T., Schmitt, J., Bock, M., Beck, J., Fischer, H., Michel, S. E., Vaughn, B. H., Miller, J. B., White, J. W. C., Brailsford, G., Schaefer, H., Sperlich, P. & 10 others, , 9 Aug 2017, In: Atmospheric Measurement Techniques. 281, 44 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Glacier dynamics at Helheim and Kangerdlugssuaq glaciers, southeast Greenland, since the Little Ice Age
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Indlandsisen på Grønland: et levende field fortæller klimahistorie
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State of the art of ice core annual layer dating
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