Thomas Friborg

Thomas Friborg

Professor

ORCID: 0000-0001-5633-6097

Publication year:
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51 - 100 out of 131Page size: 50
  1. 2014
  2. Published

    Partitioning forest evapotranspiration: interception evaporation and the impact of canopy structure, local and regional advection

    Ringgaard, R. S., Herbst, M. & Friborg, Thomas, 2014, In: Journal of Hydrology. 517, p. 677-690 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 2013
  4. Published

    Carbon dioxide balance of subarctic tundra from plot to regional scales

    Marushchak, M. E., Kiepe, I., Biasi, C., Elsakov, V., Friborg, Thomas, Johansson, P. T., Søgaard, H., Virtanen, T. & Martikainen, P. J., 2013, In: Biogeosciences. 10, 1, p. 437-452 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Climate and site management as driving factors for the atmospheric greenhouse gas exchange of a restored wetland

    Herbst, M., Friborg, Thomas, Schelde, K., Jensen, Rasmus, Ringgaard, R., Vasquez, V., Thomsen, A. G. & Søgaard, H., 2013, In: Biogeosciences. 10, 1, p. 39-52 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Modeling canopy CO2 exchange in the European Russian Arctic

    Kiepe, I., Friborg, Thomas, Herbst, M., Johansson, T. & Søgaard, H., 2013, In: Arctic, Antarctic, and Alpine Research. 45, 1, p. 50-63 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Modelling of growing season methane fluxes in a high-Arctic wet tundra ecosystem 1997-2010 using in situ and high-resolution satellite data

    Tagesson, Håkan Torbern, Mastepanov, M., Mölder, M., Tamstorf, M. P., Eklundh, L., Smith, B., Sigsgaard, Charlotte, Lund, M., Ekberg, A., Falk, J. M., Friborg, Thomas, Christensen, T. R. & Ström, L., 2013, In: Tellus B: Chemical and Physical Meteorology. 65, 21 p., 19722.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 2012
  9. Published

    Monitoring the multi-year carbon balance of a subarctic palsa mire with micrometeorological techniques

    Christensen, T., Jackowicz-Korczynski, M., Aurela, M., Crill, P., Heliasz, M., Mastepanov, M. & Friborg, Thomas, 2012, In: Ambio. 41, 3 Suppl., p. 207-217 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Partitioning of forest evapotranspiration: the impact of edge effects and canopy structure

    Ringgaard, R., Herbst, M. & Friborg, Thomas, 2012, In: Agricultural and Forest Meteorology. 166-167, p. 86-97 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Trends in CO2 exchange in a high Arctic tundra heath, 2000-2010

    Lund, M., Falk, J. M., Friborg, Thomas, Mbufong, H. N., Sigsgaard, Charlotte, Søgaard, H. & Tamstorf, M. P., 2012, In: Journal of Geophysical Research: Biogeosciences. 117, G2, 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. 2011
  13. Published

    Interpreting the variations in atmospheric methane fluxes observed above a restored wetland

    Herbst, M., Friborg, Thomas, Ringgaard, R. & Søgaard, H., Jul 2011, In: Agricultural and Forest Meteorology. 151 , 7, p. 841-851 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Comparing Evapotranspiration Rates Estimated from Atmospheric Flux and TDR Soil Moisture Measurements

    Schelde, K., Ringgaard, R., Herbst, M., Thomsen, A. G., Friborg, Thomas & Søgaard, H., 1 Feb 2011, In: Vadose Zone Journal. 10, 1, p. 78-83 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Energy Fluxes above Three Disparate Surfaces in a Temperate Mesoscale Coastal Catchment

    Ringgaard, R., Herbst, M., Friborg, Thomas, Schelde, K., Thomsen, A. G. & Søgaard, H., 1 Feb 2011, In: Vadose Zone Journal. 10, 1, p. 54-66 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Plant-mediated CH4 transport and C gas dynamics quantified in-situ in a Phalaris arundinacea-dominant wetland

    Jensen, L. A., Elberling, Bo, Friborg, Thomas, Jørgensen, C. J. & Hansen, Birger, 1 Feb 2011, In: Plant and Soil. 343, 1-2, p. 287-301 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Catchment-Wide Atmospheric Greenhouse Gas Exchange as Influenced by Land Use Diversity

    Herbst, M., Friborg, Thomas, Ringgaard, R. & Søgaard, H., 27 Jan 2011, In: Vadose Zone Journal. 10, 1, p. 67 - 77 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Quantification of C uptake in subarctic birch forest after setback by an extreme insect outbreak

    Heliasz, M., Johansson, T., Lindroth, A., Mölder, M., Mastepanov, M., Friborg, Thomas, Callaghan, T. V. & Christensen, T. R., 12 Jan 2011, In: Geophysical Research Letters. 38, L01704, p. 1704 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    One decade of CO2 flux measurements in a high Arctic tundra heath: trends and implications for the future

    Lund, M., Falk, J. M., Friborg, Thomas, Sigsgaard, Charlotte, Søgaard, H. & Tamstorf, M., 2011.

    Research output: Contribution to conference › Poster › Research

  20. 2010
  21. Published

    Episodical CO2 emission during shoulder seasons in the arctic

    Friborg, Thomas, Elberling, Bo, Hansen, Birger, Lund, M. & Mastepanov, M., 12 Dec 2010.

    Research output: Contribution to conference › Poster › Research

  22. Annual cycle of methane emission from a subarctic peatland

    Jackowicz-Korczynski, M., Christensen, T. R., Bäckstrand, K., Crill, P., Friborg, Thomas, Mastepanov, M. & Ström, L., May 2010, In: Journal of Geophysical Research - Atmospheres. 115

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    BVOC ecosystem flux measurements at a high latitude wetland site

    Holst, T., Arneth, A., Hayward, S., Mastepanov, M., Jackowicz-Korczynski, M., Friborg, Thomas, Crill, P. & Bäckstrand, K., 2010, In: Atmospheric Chemistry and Physics. 10, p. 1617–1634 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. 2009
  25. Published

    Annual cycles of methane emission from a subarctic peatland

    Jackowicz-Korczyňski, M., Christensen, T. R., Bäckstrand, K., Crill, P. M., Friborg, Thomas, Mastepanov, M. & Ström, L., 2009, Land-atmosphere interaction of a subarctic palsa mire. 184 ed. p. 25-32 8 p. (Meddelanden fran Lunds Universitets Geografiska Institutioner, Avhandlingar; No. 184).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  26. Published

    BVOC ecosystem flux measurements at a high latitude wetland site

    Holst, T., Ameth, A., Hayward, S., Ekberg, A., Mastepanov, M., Jackowicz-Korczyñski, M., Friborg, Thomas, Crill, P. M. & Bïckstrand, K., 2009, Land-atmosphere interaction of a subarctic palsa mire. 184 ed. p. 69-82 14 p. (Meddelanden fran Lunds Universitets Geografiska Institutioner, Avhandlingar; No. 184).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  27. Published

    Environmental control of methane fluxes over a Danish peatland

    Herbst, M., Friborg, Thomas, Ringgaard, R. & Søgaard, H., 2009.

    Research output: Contribution to conference › Poster › Research

  28. Published

    Forøger vådområder den globale opvarmning?

    Herbst, M., Friborg, Thomas, Ringgaard, R. & Søgaard, H., 2009, In: Vand og Jord. 16, 3, p. 84-89 6 p.

    Research output: Contribution to journal › Journal article › Research

  29. Published

    Fremtidens vandressourcer i Danmark [Klimaændringer]

    Sonnenborg, T., Jensen, Karsten Høgh, Søgaard, H., Friborg, Thomas, Engesgaard, P. K. & Kidmose, J. B., 2009, In: Geoviden. 2, p. 2-15 14 p.

    Research output: Contribution to journal › Journal article › Communication

  30. Published

    Quantifying the relative importance of lake emissions in the carbon budget of a subarctic catchment

    Karlsson, J., Christensen, T. R., Friborg, Thomas, Förster, J., Hammarlund, D., Jackowicz-Korczyński, M., Kokfeit, U., Roehm, C. & Rosen, P., 2009, Land-atmosphere interaction of a subarctic palsa mire. 184 ed. p. 85-93 9 p. (Meddelanden fran Lunds Universitets Geografiska Institutioner, Avhandlingar; No. 184).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  31. Published

    The multi-year carbon balance of a subarctic paisa mire as documented by micrometeorological techniques

    Jackowicz-Korczyński, M., Christensen, T. R., Friborg, Thomas, Crill, P. & Aurela, M., 2009, Land-atmosphere interaction of a subarctic palsa mire. 184 ed. p. 35-50 16 p. (Meddelanden fran Lunds Universitets Geografiska Institutioner, Avhandlingar; No. 184).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  32. 2008
  33. Published

    A catchment scale process study of carbon and greenhouse gas exchange in a subarctic landscape

    Christensen, T. R., Johansson, P. T., Olsrud, M., Ström, L., Lindroth, A., Mastepanov, M., Malmer, N., Friborg, Thomas, Crill, P. M. & Callaghan, T. V., 2008.

    Research output: Contribution to conference › Poster › Research

  34. Published

    Biotic, abiotic, and management controls on the net ecosystem CO2 exchange of European mountain grassland ecosystems

    Wohlfahrt, G., Friborg, Thomas & Johansson et.al., P. T., 2008, In: Ecosystems. 11, 8, p. 1338-1351

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Carbon dioxide and methane dynamics in Russian tundra

    Johansson, P. T., Kiepe, I., Herbst, M., Søgaard, H. & Friborg, Thomas, 2008.

    Research output: Contribution to conference › Poster › Research

  36. Published

    Carbon dioxide exchange of the Arctic tundra in the northern part of European Russia

    Kiepe, I., Johansson, P. T., Friborg, Thomas & Søgaard, H., 2008.

    Research output: Contribution to conference › Poster › Research

  37. Published

    Drivhusgasbalancen i den nordøstlige del af Rusland

    Kiepe, I., Johansson, P. T., Friborg, Thomas, Rasmusen, E. & Søgaard, H., 2008, Geografi: årsskrift for selskabets aktiviteter og geografien ved danske universiteter. Det Kongelige Danske Geografiske Selskab, Vol. 2007. p. 47-50

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

  38. Published

    High Arctic soil CO2 and CH4 production controlled by temperature, water, freezing, and snow

    Elberling, Bo, Nordstrøm, C., Grøndahl, L., Søgaard, H., Friborg, Thomas, Christensen, T. R., Stroem, L., Marchand, F. & Nijs, I., 2008, In: Advances in Ecological Research. 40, p. 441-472

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Observations and status of peatland greenhouse gas emissions in Europe

    Drösler, M., Freibauer, A., Christensen, T. R. & Friborg, Thomas, 2008, The Continental-Scale Greenhouse Gas Balance of Europe. Springer, p. 243-261 (Ecological Studies, Vol. 203).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  40. Published

    Palsa mires- CO2 exchange from Stordalen mire

    Friborg, Thomas, Johansson, P. T., Jackowicz-Korcynski, M., Christensen, T. R. & Crill, P. M., 2008.

    Research output: Contribution to conference › Poster › Research

  41. Published

    Spatial and interannual variability of trace gas fluxes in a heterogeneous High-Arctic landscape

    Grøndahl, L., Friborg, Thomas, Christensen, T., Ekberg, A., Elberling, Bo, Illeris, L., Nordstrøm, C., Rennermalm, Å., Sigsgaard, Charlotte & Søgaard, H., 2008, High-Arctic Ecosystem Dynamics in a Changing Climate: Advances in Ecological Research. Meltofte, H., Christensen, T., Elberling, B., Forchammer, M. & Rasch, M. (eds.). New York: Elsevier, Vol. 40. p. 473-498 25 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  42. Published

     Winter time burst of CO2 from the High Arctic soils of Svalbard

    Friborg, Thomas, Hansen, Birger, Elberling, Bo, Jensen, L. A., Søndergaard, J. E. & Mastepanov, M., 2008.

    Research output: Contribution to conference › Poster › Research

  43. 2007
  44. Published

    A catchment-scale carbon and greenhouse gas budget of a subarctic landscape

    Christensen, T. R., Johansson, P. T., Olsrud, M., Ström, L., Lindroth, A., Mastepanov, M., Malmer, N., Friborg, Thomas, Crill, P. & Callaghan, T., 2007, In: Philosophical Transactions of the Royal Society, Series A. 365, 1856, p. 1643-1656

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Arctic vegetation damage by winter-generated coal mining pollution released upon thawing

    Elberling, Bo, Søndergaard, J. E., Jensen, L. A., Schmidt, L. B., Hansen, Birger, Asmund, G., Balic Zunic, Tonci, Hollesen, J., Hanson, S., Jansson, P. & Friborg, Thomas, 2007, In: Environmental Science & Technology (Washington). 41, p. 2407-2413

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Methane emissions from western Siberian wetlands: heterogeneity and sensitivity to climate change

    Bohn, T., Lettenmaier, D. P., Sathulur, K., Bowling, L. C., Podest, E., McDonald, K. C. & Friborg, Thomas, 2007, In: Environmental Research Letters. 2

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Temperature and snow-melt controls on interannual variability in carbon exchange in the high Arctic

    Groendahl, L., Friborg, Thomas & Søgaard, H., 2007, In: Journal of Theoretical and Applied Climatology. 88, 1-2, p. 111-125 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    The Climate Basis and GeoBasis programmes

    Sigsgaard, Charlotte, Thorsøe, K., Fugt, A. W., Mastepanov, M., Friborg, Thomas, Tamstorf, M. P., Hansen, Birger, Ström, L. & Christensen, T. R., 2007, Zackenberg Ecological Research Operations, 12th AnnualReport, 2006. Klitgaard, A. B., Rasch, M. & Caning, K. (eds.). Copenhagen: Danish Polar Center, p. 12-34

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  49. Published

    Zackenberg Basic: The Climate Basis and GeoBasis programmes

    Sigsgaard, Charlotte, Thorsøe, K., Fugl, A. W., Mastepanov, M., Friborg, Thomas, Tamstorf, M. P., Hansen, Birger, Ström, L. & Røjle Christensen, T., 2007, 12th Annual Report 2006, Zackenberg Ecological Research Operations, Danish Polar Center and Ministry of Science, Technology & Innovaton. p. 12-35

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  50. 2006
  51. Published

    Decadal vegetation changes in a northern peatland, greenhouse gas fluxes and net radiative forcing

    Johansson, T., Malmer, N., Crill, P. M., Friborg, Thomas, Akerman, J., Mastepanov, M., Christensen, T. R. & Johansson, P. T., 2006, In: Global Change Biology. 12, p. 2352-2369

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    Dynamics of the carbon circulation in a High Arctic ecosystem - comprising atmospheric, terrrestrial, fluvial and marine components

    Søgaard, H., Rysgaard, S., Sørensen, L., Larsen, S. & Friborg, Thomas, 2006, ?. 79 ed. Helsinki: University of Helsinki, p. 1

    Research output: Chapter in Book/Report/Conference proceeding › Preface/postscript › Research

  53. 2005
  54. Published

    Zackenberg Basic: The Climate Basis and GeoBasis programmes

    Sigsgaard, Charlotte, Petersen, D., Grøndahl, L., Thorsøe, K., Meltofte, H., Hinkler, J., Friborg, Thomas, Hansen, Birger & Tamstorf, M. P., 2005, 10th Annual Report 2004, Zackenberg Ecological Research Operations, Danish Polar Center and Ministry of Science, Technology & Innovaton. p. 10-34

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  55. 2004
  56. Published

    Changes in Climate, permafrost and vegetation-effects on subarctic methane emission

    Christensen, T. R., Johansson, T., Malmer, N., Åkerman, J., Friborg, Thomas, Crill, P. & Svensson, B., 2004, In: Geophysical Research Letters. 31, 4

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    High Arctic carbon sink identification - a systems approach

    Søgaard, H., Sørensen, L., Rysgaard, S., Grøndahl, L., Elberling, Bo, Friborg, Thomas, Larsen, S. E. & Bendtsen, J., 2004, In: Global Change NewsLetter. no. 59, p. 11-14

    Research output: Contribution to journal › Journal article › Research

  58. Published

    Thawing sub-arctic permafrost: Effects on vegetation and methane emissions

    Christensen, T. R., Johansson, P. T., Malmer, N., Åkerman, J., Friborg, Thomas, Crill, P., Mastepanov, M. & Svensson, B., 2004, In: Geophysical Research Letters. 31, p. L04501

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Thawing sub-arctic permafrost - effects on vegetation and methane emissions

    Byrne, K., Chojnicki, B., Christensen, T. R., Drösler, M., Freibauer, A., Friborg, Thomas, Frolking, S., Lindroth, A., Mailhammer, J., Malmer, N., Selin, P., Turunen, J., Valentini, R. & Zetterberg, L., 2004, EU peatlands : Current carbon stocks and trace gas fluxes. no. 4 ed. European Commission, p. ?

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  60. Published

    Thawing sub-artic permafrost - effects on vegetation and methane emissions

    Friborg, Thomas, Christensen, T. R., Johansson, T., Åkerman, H. J., Mastepanov, M., Malmer, N., Crill, P. & Svensson, B.H., 2004, In: Geophysical Research Letters. vol. 31, no. 4, p. 4

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. Published

    Zackenberg Basic: The Climate Basis and GeoBasis programmes

    Sigsgaard, Charlotte, Petersen, D., Grøndahl, L., Meltofte, H., Hinkler, J., Hansen, Birger, Tamstorf, M. P. & Friborg, Thomas, 2004, 9th Annual Report 2003, Zackenberg Ecological Research Operations, Danish Polar Center and Ministry of Science, Technology & Innovaton. p. 10-32

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

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