Thomas Friborg

Thomas Friborg

Professor


  1. 2019
  2. Published
  3. Published

    Climate-Sensitive Controls on Large Spring Emissions of CH4 and CO2 From Northern Lakes

    Jansen, J., Thornton, B. F., Jammet, M. M., Wik, M., Cortes, A., Friborg, Thomas, MacIntyre, S. & Crill, P. M., 2019, In: Journal of Geophysical Research: Biogeosciences. 124, 7, p. 2379-2399 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    FLUXNET-CH4 Synthesis Activity: Objectives, Observations, and Future Directions

    Knox, S. H., Jackson, R. B., Poulter, B., McNicol, G., Fluet-Chouinard, E., Zhang, Z., Hugelius, G., Bousquet, P., Canadell, J. G., Saunois, M., Papale, D., Chu, H., Keenan, T. F., Baldocchi, D., Torn, M. S., Mammarella, I., Trotta, C., Aurela, M., Bohrer, G., Campbell, D. I. & 46 others, Cescatti, A., Chamberlain, S., Chen, J., Chen, W., Dengel, S., Desai, A. R., Euskirchen, E., Friborg, Thomas, Gasbarra, D., Goded, I., Goeckede, M., Heimann, M., Helbig, M., Hirano, T., Hollinger, D. Y., Iwata, H., Kang, M., Klatt, J., Krauss, K. W., Kutzbach, L., Lohila, A., Mitra, B., Morin, T. H., Nilsson, M. B., Niu, S., Noormets, A., Oechel, W. C., Peichl, M., Peltola, O., Reba, M. L., Richardson, A. D., Runkle, B. R. K., Ryu, Y., Sachs, T., Schaefer, K. V. R., Schmid, H. P., Shurpali, N., Sonnentag, O., Tang, A. C. ,. I., Ueyama, M., Vargas, R., Vesala, T., Ward, E. J., Windham-Myers, L., Wohlfahrt, G. & Zona, D., 2019, In: Bulletin of the American Meteorological Society. 100, 12, p. 2607-2632 26 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published
  6. Published

    Large loss of CO2 in winter observed across the northern permafrost region: [incl. correction]

    Natali, S. M., Watts, J. D., Rogers, B. M., Potter, S., Ludwig, S. M., Selbmann, A-K., Sullivan, P. F., Abbott, B. W., Arndt, K. A., Birch, L., Björkman, M. P., Bloom, A. A., Celis, G., Christensen, T. R., Christiansen, C. T., Commane, R., Cooper, E. J., Crill, P., Czimczik, C., Davydov, S. P. & 55 others, Du, J., Egan, J. E., Elberling, Bo, Euskirchen, E. S., Friborg, Thomas, Genet, H., Göckede, M., Goodrich, J. P., Grogan, P., Helbig, M., Jafarov, E. E., Jastrow, J. D., Kalhori, A. A. M., Kim, Y., Kimball, J. S., Kutzbach, L., Lara, J. M., Larsen, Klaus Steenberg, Lee, B., Liu, Z., Loranty, M. M., Lund, M., Lupascu, M., Madani, N., Malhotra, A., Matamala, R., McFarland, J., McGuire, A. D., Michelsen, Anders, Minions, C., Oechel, W. C., Olefeldt, D., Parmentier, F. W., Pirk, N., Poulter, B., Quinton, W., Rezanezhad, F., Risk, D., Sachs, T., Schaefer, K., M. Schmidt, N., Schuur, E. A. G., Semenchuk, P. R., Shaver, G. R., Sonnentag, O., Starr, G., Treat, C. C., Waldrop, M. P., Wang, Y., Welker, J. M., Wille, C., Xue, X., Zhang, Z., Zhuang, Q. & Zona, D., 2019, In: Nature Climate Change. 9, p. 852-857 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Mind the (data) gap

    Friborg, Thomas, Sigsgaard, Charlotte, Hansen, Birger & Christóbal, J., 2019, Annual report Cards 2018. Christensen, T. R., Arndal, M. F. & Topp-Jørgensen, E. (eds.). 1 ed. Aarhus: University of Aarhus, p. 22-23 2 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  8. Published

    Model-data fusion to assess year-round CO2 fluxes for an arctic heath ecosystem in West Greenland (69°N)

    Zhang, W., Jansson, P. E., Sigsgaard, Charlotte, McConnell, A., Jammet, M. M., Westergaard-Nielsen, Andreas, Lund, M., Friborg, Thomas, Michelsen, Anders & Elberling, Bo, 2019, In: Agricultural and Forest Meteorology. 272-273, p. 176-186 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Monthly gridded data product of northern wetland methane emissions based on upscaling eddy covariance observations

    Peltola, O., Vesala, T., Gao, Y., Raty, O., Alekseychik, P., Aurela, M., Chojnicki, B., Desai, A. R., Dolman, A. J., Euskirchen, E. S., Friborg, T., Goeckede, M., Helbig, M., Humphreys, E., Jackson, R. B., Jocher, G., Joos, F., Klatt, J., Knox, S. H., Kowalska, N. & 18 others, Kutzbach, L., Lienert, S., Lohila, A., Mammarella, I., Nadeau, D. F., Nilsson, M. B., Oechel, W. C., Peichl, M., Pypker, T., Quinton, W., Rinne, J., Sachs, T., Samson, M., Schmid, H. P., Sonnentag, O., Wille, C., Zona, D. & Aalto, T., 2019, In: Earth System Science Data. 11, 3, p. 1263-1289 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Utilization of UAV-Lidar to infer surface roughness and leaf area index of a heterogeneous wooded area

    Trepekli, Aikaterini, Westergaard-Nielsen, Andreas & Friborg, Thomas, 2019, In: Geophysical Research Abstracts. 21, 1 p.

    Research output: Contribution to journalConference articleResearch

  11. 2018
  12. Published

    Extreme Rain event -what are the consequences for Arctic Ecosytems

    Sigsgaard, Charlotte, Lund, M., Abermann, J., Skov, K., Friborg, Thomas & Hansen, Birger, 2018, Annual Report Cards 2017. Christensen, T. R. & Topp-Jørgensen, E. (eds.). 1 ed. Aarhus: University of Aarhus, p. 26-27 2 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  13. Published

    ORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scales

    Qiu, C., Zhu, D., Ciais, P., Guenet, B., Krinner, G., Peng, S., Aurela, M., Bernhofer, C., Bruemmer, C., Bret-Harte, S., Chu, H., Chen, J., Desai, A. R., Dušek, J., Euskirchen, E. S., Fortuniak, K., Flanagan, L. B., Friborg, T., Grygoruk, M., Gogo, S. & 34 others, Grünwald, T., Hansen, Birger, Holl, D., Humphreys, E., Hurkuck, M., Kiely, G., Klatt, J., Kutzbach, L., Largeron, C., Laggoun-Defarge, F., Lund, M., Lafleur, P. M., Li, X., Mammarella, I., Merbold, L., Nilsson, M. B., Olejnik, J., Ottosson-Löfvenius, M., Oechel, W., Parmentier, F. W., Peichl, M., Pirk, N., Peltola, O., Pawlak, W., Rasse, D., Rinne, J., Shaver, G., Schmid, H. P., Sottocornola, M., Steinbrecher, R., Sachs, T., Urbaniak, M., Zona, D. & Ziemblinska, K., 2018, In: Geoscientific Model Development. 11, 2, p. 497-519 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. 2017
  15. Published

    Supplementary material to "Carbon stocks and fluxes in the high latitudes: Using site-level data to evaluate Earth system models"

    Chadburn, S., Krinner, G., Porada, P., Bartsch, A., Beer, C., Marchesini, L. B., Boike, J., Elberling, B., Friborg, T., Hugelius, G., Johansson, M., Kuhry, P., Kutzbach, L., Langer, M., Lund, M., Parmentier, F-J., Peng, S., Huissteden, K. V., Wang, T., Westermann, S. & 2 others, Zhu, D. & Burke, E., 31 May 2017, 4 p. Copernicus/EGU.

    Research output: Other contributionResearch

  16. Published

    20 years of methane measurements has sharpened our understanding

    Sigsgaard, Charlotte, Friborg, Thomas, Pirk, N., Lund, M., Hansen, Birger, Skov, K. & Mastepanov, M., 2017, Annual Report Card 2016: Greenland Ecosystem Monitoring. Christensen, T. R. & Topp-Jørgensen, E. (eds.). Aarhus: University of Aarhus, p. 12-13 2 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  17. Published

    Carbon stocks and fluxes in the high latitudes: Using site-level data to evaluate Earth system models

    Chadburn, S., Krinner, G., Porada, P., Bartsch, A., Beer, C., Marchesini, L. B., Boike, J., Elberling, B., Friborg, T., Hugelius, G., Johansson, M., Kuhry, P., Kutzbach, L., Langer, M., Lund, M., Parmentier, F-J., Peng, S., Huissteden, K. V., Wang, T., Westermann, S. & 2 others, Zhu, D. & Burke, E., 2017, Copernicus/EGU, 41 p. (Biogeosciences Discussions; No. 197, Vol. 2017).

    Research output: Working paperPreprintResearch

  18. Published

    Carbon stocks and fluxes in the high latitudes: using site-level data to evaluate Earth system models

    Chadburn, S. E., Krinner, G., Porada, P., Bartsch, A., Beer, C., Marchesini, L. B., Boike, J., Ekici, A., Elberling, B., Friborg, T., Hugelius, G., Johansson, M., Kuhry, P., Kutzbach, L., Langer, M., Lund, M., Parmentier, F-J. W., Peng, S., Van Huissteden, K., Wang, T. & 3 others, Westermann, S., Zhu, D. & Burke, E. J., 2017, In: Biogeosciences. 14, 22, p. 5143-5169 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Direct and indirect controls of the interannual variability in atmospheric CO2 exchange of three contrasting ecosystems in Denmark

    Jensen, Rasmus, Herbst, M. & Friborg, Thomas, 2017, In: Agricultural and Forest Meteorology. 233, p. 12-31 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    DiskoBasis monitering

    Sigsgaard, Charlotte, Jørgensen, C. J., Christiansen, C. T., Hansen, Per Juel, Christoffersen, Kirsten Seestern, McConnell, A., Mølgaard, K. A., Kroon, Aart, Friborg, Thomas, Hansen, Birger & Elberling, Bo, 2017, Arctic Station Annual Report 2015. Kroon, A. & Sigsgaard, C. (eds.). København: Københavns Universitet, p. 7-13 7 p. (Annual Report).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

  21. Published

    Snow: As a key regulator of Arctic Ecosytem Processes

    Sigsgaard, Charlotte, Friborg, Thomas, Hansen, Birger, Lund, M., Abermann, J., Skov, K. & Hansen, L. V., 2017, Annual Report cards 2016: Greenland Ecosystem Monitoring. Christensen, T. R. & Topp-Jørgensen, E. (eds.). 1 ed. Aarhus: University of Aarhus, p. 8-9 2 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  22. Published

    Year-round CH4 and CO2 flux dynamics in two contrasting freshwater ecosystems of the subarctic

    Jammet, M., Dengel, S., Kettner, E., Parmentier, F. W., Wik, M., Crill, P. & Friborg, Thomas, 2017, In: Biogeosciences. 14, 22, p. 5189-5216 28 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 2016
  24. Published

    Crop water stress maps for an entire growing season from visible and thermal UAV imagery

    Nielsen, H. H. M., Jensen, Rasmus, Thomsen, A. G., Nieto Solana, H., Rasmussen, Jesper & Friborg, Thomas, 2016, In: Biogeosciences. 13, 24, p. 6545-6563 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Estimating evaporation with thermal UAV data and two-source energy balance models

    Hoffmann, H., Nieto Solana, H., Jensen, Rasmus, Guzinski, R., Zarco-Tejada, P. & Friborg, Thomas, 2016, In: Hydrology and Earth System Sciences. 20, 2, p. 697-713

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Methane dynamics in the subarctic tundra: combining stable isotope analyses, plot- and ecosystem-scale flux measurements

    Marushchak, M. E., Friborg, Thomas, Biasi, C., Herbst, M., Johansson, T., Kiepe, I., Liimatainen, M., Lind, S. E., Martikainen, P. J., Virtanen, T., Søgaard, H. & Shurpali, N. J., 2016, In: Biogeosciences. 13, 2, p. 597-608

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. 2015
  28. Published

    Large methane emissions from a subarctic lake during spring thaw: mechanisms and landscape significance

    Jammet, M. M., Crill, P., Dengel, S. & Friborg, Thomas, 2015, In: Journal of Geophysical Research: Biogeosciences. 120, 11, p. 2289-2305 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    The uncertain climate footprint of wetlands under human pressure

    Petrescu, A. M. R., Lohila, A., Tuovinen, J-P., Baldocchi, D. D., Desai, A. R., Roulet, N. T., Vesala, T., Dolman, A. J., Oechel, W. C., Marcolla, B., Friborg, T., Rinne, J., Matthes, J. H., Merbold, L., Meijide, A., Kiely, G., Sottocornola, M., Sachs, T., Zona, D., Varlagin, A. & 24 others, Lai, D. Y. F., Veenendaal, E., Parmentier, F. W., Skiba, U., Lund, M., Hensen, A., Van Huissteden, J., Flanagan, L. B., Shurpali, N. J., Grunwald, T., Humphreys, E. R., Jackowicz-Korczynski, M., Aurela, M. A., Laurila, T., Gruning, C., Corradi, C. A. R., Schrier-Uijl, A. P., Christensen, T. R., Tamstorf, M. P., Mastepanov, M., Martikainen, P. J., Verma, S. B., Bernhofer, C. & Cescatti, A., 2015, In: Proceedings of the National Academy of Sciences of the United States of America. 112, 15, p. 4594-4599 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. 2014
  31. Published

    Assessing the spatial variability in peak season CO2 exchange characteristics across the Arctic tundra using a light response curve parameterization

    Mbufong, H. N., Lund, M., Aurela, M., Christensen, T. R., Eugster, W., Friborg, Thomas, Hansen, Birger, Humphreys, E. R., Jackowicz-Korczynski, M., Kutzbach, L., Lafleur, P. M., Oechel, W. C., Parmentier, F. J. W., Rasse, D. P., Rocha, A. V., Sachs, T., van der Molen, M. K. & Tamstorf, M. P., 2014, In: Biogeosciences. 11, 17, p. 4897-4912 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 12694