Jesper Riis Christiansen

Jesper Riis Christiansen

Associate Professor - Promotion Programme

ORCID: 0000-0002-3277-0734

Publication year:
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1 - 25 out of 75Page size: 25
  1. 2024
  2. Published

    Temporal dynamics of subglacial methane emissions revealed through continuous measurements at the margin of the Greenland Ice Sheet

    Sapper, Sarah Elise, Jørgensen, C. J., Adnew, G. A., Blunier, Thomas & Christiansen, Jesper Riis, 11 Mar 2024.

    Research output: Contribution to conference › Conference abstract for conference › Research

  3. Published

    Clumped isotopes as a tool to discern the sources and sinks of methane in a subglacial environment

    Adnew, G. A., Röckmann, T., Blunier, Thomas, Jørgensen, C. J., Sivan, M., Sapper, Sarah Elise, Popa, M. E., Veen, C. V. D. & Christiansen, Jesper Riis, 8 Mar 2024.

    Research output: Contribution to conference › Conference abstract for conference › Research

  4. Published

    Mikro-organismer i jorden vender op og ned på methanregnskabet

    Elberling, Bo, D'Imperio, Ludovica & Christiansen, Jesper Riis, 2024, In: Aktuel Naturvidenskab. 2024, 1, p. 36-40

    Research output: Contribution to journal › Journal article › Communication

  5. Published

    Spatial variation of net methane uptake in Arctic and subarctic drylands of Canada and Greenland

    Jørgensen, C. J., Mariager, T. S. & Christiansen, Jesper Riis, 2024, In: Geoderma. 443, 12 p., 116815.

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

  6. 2023
  7. Published

    Constraining sources and sinks of subglacial methane from the Greenland ice sheet using clumped isotopes

    Adnew, G. A., Schroll, M., Sapper, Sarah Elise, Röckmann, T., Popa, M. E., Jørgensen, C. J., Keppler, F., van der Veen, C., Sivan, M., Blunier, Thomas & Christiansen, Jesper Riis, 2023. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  8. Published

    First measurement of methane emissions from Canadian glaciers in the Yukon

    Sapper, Sarah Elise, Jørgensen, C. J., Schroll, M., Keppler, F. & Christiansen, Jesper Riis, 2023.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  9. Published

    Klimaeffekter ved genopretning af hydrologi i skove

    Christiansen, Jesper Riis & Burns, Rachel Eleanor, 2023, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 49 p. (IGN Rapport; No. juni 2023).

    Research output: Book/Report › Report › Research › peer-review

  10. Published

    Methane emissions from subglacial meltwater of three alpine glaciers in Yukon, Canada

    Sapper, Sarah Elise, Jørgensen, C. J., Schroll, M., Keppler, F. & Christiansen, Jesper Riis, 2023, In: Arctic, Antarctic, and Alpine Research. 55, 1, 13 p., 2284456.

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

  11. Published

    Methylotrophic Communities Associated with a Greenland Ice Sheet Methane Release Hotspot

    Znamínko, M., Falteisek, L., Vrbická, K., Klímová, P., Christiansen, Jesper Riis, Jørgensen, C. J. & Stibal, M., 2023, In: Microbial Ecology. 86, 4, p. 3057-3067

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

  12. Published

    Seasonal dynamics of canopy interception loss within a deciduous and a coniferous forest

    Andreasen, Mie, Christiansen, Jesper Riis, Sonnenborg, Torben Obel, Stisen, S. & Zibar, Majken Caroline Looms, 2023, In: Hydrological Processes. 37, 4, 16 p., 14828.

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

  13. Published

    Spatial controls of methane uptake in upland soils across climatic and geological regions in Greenland

    D'Imperio, Ludovica, Li, B., Tiedje, J. M., Oh, Y., Christiansen, Jesper Riis, Kepfer Rojas, Sebastian, Westergaard-Nielsen, Andreas, Brandt, Kristian Koefoed, Holm, Peter Engelund, Wang, P., Ambus, Per Lennart & Elberling, Bo, 2023, In: Communications Earth & Environment. 4, 1, 10 p., 461.

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

  14. Published

    The IceWorm: an improved low-cost, low-power sensor for measuring dissolved CH4 in water bodies

    Christiansen, Jesper Riis, Sapper, Sarah Elise & Jørgensen, C. J., 2023. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  15. 2022
  16. Published

    Våd natur kan give væsentlig klimaeffekt – men på lang sigt

    Christiansen, Jesper Riis, Jepsen, Martin Rudbeck, Ambus, Per Lennart, Elberling, Bo, Mueller, Carsten W., Bruun, Sander, Busck, Anne Gravsholt, Jensen, Lars Stoumann, Bruun, Hans Henrik, Krøijer, Stine, Jessen, Nina Toudal, Jessen, Søren & Stisen, S., 25 May 2022, BIO (DM).

    Research output: Other contribution › Net publication - Internet publication › Communication

  17. Published

    A strong temperature dependence of soil nitric oxide emission from a temperate forest in Northeast China

    Huang, K., Su, C., Liu, D., Duan, Y., Kang, R., Yu, H., Liu, Y., Li, X., Gurmesa, G. A., Quan, Z., Christiansen, Jesper Riis, Zhu, W. & Fang, Y., 2022, In: Agricultural and Forest Meteorology. 323, 11 p., 109035.

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

  18. Published

    Assessing modelled hydrological responses to afforestation using hectometre-scale cosmic-ray neutron soil moisture

    Andreasen, Mie, Christiansen, Jesper Riis, Sonnenborg, Torben Obel, Stisen, S. & Zibar, Majken Caroline Looms, 2022. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  19. Published

    Climate mitigation potential and soil microbial response of cyanobacteria-fertilized bioenergy crops in a cool semi-arid cropland

    Gay, J. D., Goemann, H. M., Currey, B., Stoy, P. C., Christiansen, Jesper Riis, Miller, P. R., Poulter, B., Peyton, B. M. & Brookshire, E. N. J., 2022, In: GCB Bioenergy. 14, 12, p. 1303–1320 18 p.

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

  20. Published

    Disentangling long-term and short-term temperature response of carbon fluxes in a subarctic grassland ecosystem exposed to long-term, geothermal warming

    Avila, Linsey Marie, Sigurdsson, B. D., Christiansen, Jesper Riis & Larsen, Klaus Steenberg, 2022. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  21. Published

    Spatiotemporal variability of CO2, CH4 and N2O fluxes over a soil hydrological gradient reveal soil water-temperature interactions on biogeochemical pathways

    Christiansen, Jesper Riis & Larsen, Klaus Steenberg, 2022. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  22. Published

    Subglacial methane cycling under the Greenland Ice Sheet 

    Hatton, J., Polášková, A., Garnett, M., Trubac, J., Christiansen, Jesper Riis, Jørgensen, C., Sapper, Sarah Elise, Vinšová, P., Blunier, Thomas, Zarsky, J., Dyonisius, M., Znamínko, M. & Stibal, M., 2022. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  23. Published

    Temporal relationship between meltwater discharge and CH4 and CO2 emissions from the Greenland Ice Sheet

    Jørgensen, C. J., Sapper, Sarah Elise, Blunier, Thomas, Gkinis, Vasileios & Christiansen, Jesper Riis, 2022. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  24. Published

    The WaterWorm: a low-cost, low power sensor for the detection of dissolved CH4 in glacial meltwater

    Sapper, Sarah Elise, Christiansen, Jesper Riis & Jørgensen, C. J., 2022. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  25. 2021
  26. Published

    Carbon Emissions From the Edge of the Greenland Ice Sheet Reveal Subglacial Processes of Methane and Carbon Dioxide Turnover

    Christiansen, Jesper Riis, Röckmann, T., Popa, M. E., Sapart, C. J. & Jørgensen, C. J., Nov 2021, In: Journal of Geophysical Research: Biogeosciences. 126, 11, 13 p., e2021JG006308.

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

  27. Published

    Abandoned Peatland Ecosystem Response to Secondary Succession

    Nielsen, A. S., Larsen, Klaus Steenberg, Vesterdal, Lars, Gundersen, Per & Christiansen, Jesper Riis, 2021. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  28. Published

    Inferring ecosystem-level rates of gross primary productivity, respiration, and evapotranspiration with automatic light-dark measurement chambers

    Larsen, Klaus Steenberg, Pullens, J. W. M., Avila, Linsey Marie, Bruun, Sander, Chen, J., Christiansen, Jesper Riis, Ibrom, A., Larsen, P., Lærke, P. E., Jørgensen, P. & Tariq, Azeem, 2021.

    Research output: Contribution to conference › Conference abstract for conference › Communication

  29. Published

    No evidence for large subglacial source of mercury from the southwestern margin of the Greenland Ice Sheet

    Jørgensen, C. J., Søndergaard, J., Larsen, M. M., Kjeldsen, K. K., Rosa, D., Sapper, Sarah Elise, Christiansen, Jesper Riis & Albers, C. N., 2021, EarthArXiv, 9 p.

    Research output: Working paper › Research

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ID: 4239664