Jesper Riis Christiansen

Jesper Riis Christiansen

Associate Professor - Promotion Programme

ORCID: 0000-0002-3277-0734

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  1. 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

  2. Published

    Abandoned Peatland Ecosystem Response to Secondary Succession

    Nielsen, Annelie Skov, 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

  3. Published

    Analyzing the hydrological impact of afforestation and tree species in two catchments with contrasting soil properties using the spatially distributed model MIKE SHE SWET

    Sonnenborg, Torben Obel, Christiansen, Jesper Riis, Pang, B., Bruge, A., Stisen, S. & Gundersen, Per, 2017, In: Agricultural and Forest Meteorology. 239, p. 118-133 16 p.

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

  4. 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

  5. Published

    Assessing the effects of chamber placement, manual sampling and headspace mixing on CH4 fluxes in a laboratory experiment

    Christiansen, Jesper Riis, Korhonen, J. F. J., Juszczak, R., Giebels, M. & Pihlatie, M., 2011, In: Plant and Soil. 343, 1-2, p. 171-185 15 p.

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

  6. 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

  7. 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

  8. 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

  9. Comparison of CO2, CH4 and N2O soil-atmosphere exchange measured in static chambers with cavity ring-down spectroscopy and gas chromatography

    Christiansen, Jesper Riis, Outhwaite, J. & Smukler, S. M., 2015, In: Agricultural and Forest Meteorology. 211-212, p. 48-57 10 p.

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

  10. Published

    Comparison of static chambers to measure CH4 emissions from soils

    Pihlatie, M. K., Christiansen, Jesper Riis, Aaltonen, H., Korhonen, J. F. J., Nordbo, A., Rasilo, T., Benanti, G., Giebels, M., Helmy, M., Sheehy, J., Jones, S., Juszczak, R., Klefoth, R., Lobo-do-Vale, R., Rosa, A. P., Schreiber, P., Serca, D., Vicca, S., Wolf, B. & Pumpanen, J., 2013, In: Agricultural and Forest Meteorology. 171-172, p. 124-136 13 p.

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

  11. 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

  12. Published

    Continuous methane concentration measurements at the Greenland ice sheet-atmosphere interface using a low-cost, low-power metal oxide sensor system

    Jørgensen, C. J., Mønster, J., Fuglsang, K. & Christiansen, Jesper Riis, 2020, In: Atmospheric Measurement Techniques. 13, 6, p. 3319-3328 10 p.

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

  13. Published

    Conversion of cropland to forest increases soil CH4 oxidation and abundance of CH4 oxidizing bacteria with stand age

    Bárcena, T. G., D'Imperio, Ludovica, Gundersen, Per, Vesterdal, Lars, Priemé, Anders & Christiansen, Jesper Riis, 2014, In: Applied Soil Ecology. 79, p. 49-58 10 p.

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

  14. Published

    Development N2O and CH4 fluxes in Danish oak and Norway spruce forests - using chronosequence to study long-term trends

    Christiansen, Jesper Riis & Gundersen, Per, 2010, In: Open Sience Conferene. Reactive Nirtogen and the European Greenhouse Gas Balance. February, 3rd and 4th, 2010. Landhaus, Solothurn.. p. 55-56 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research

  15. Published

    Different soil moisture control of net methane oxidation and production in organic upland and wet forest soils of the Pacific coastal rainforest in Canada

    Christiansen, Jesper Riis, Levy-Booth, D. J., Prescott, C. E. & Grayston, S. J., 2017, In: Canadian Journal of Forest Research. 47, 5, p. 628-635 8 p.

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

  16. 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

  17. Published

    Do indicators of nitrogen retention and leaching differ between coniferous and broadleaved forests in Denmark?

    Gundersen, Per, Sevel, L., Christiansen, Jesper Riis, Vesterdal, Lars, Hansen, K. I. & Bastrup-Birk, Annemarie, 2009, In: Forest Ecology and Management. 258, 7, p. 1137-1146 10 p.

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

  18. Published

    Ex-post evaluation of extensive and intensive forest condition monitoring in Denmark under Forest Focus 2003-2006

    Vesterdal, Lars, Hansen, K., Thomsen, Iben Margrete, Sevel, L. & Christiansen, Jesper Riis, 2007, Frederiksberg: Center for Skov, Landskab og Planlægning/Københavns Universitet. 23 p.

    Research output: Book/Report › Report › Research

  19. 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

  20. Published

    First observation of direct methane emission to the atmosphere from the subglacial domain of the Greenland Ice Sheet

    Christiansen, Jesper Riis & Jorgensen, C. J., 2018, In: Scientific Reports. 8, 6 p., 16623.

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

  21. Published

    Forest canopy water fluxes can be estimated using canopy structure metrics derived from airborne light detection and ranging (LiDAR)

    Schumacher, J. & Christiansen, Jesper Riis, 5 Apr 2015, In: Agricultural and Forest Meteorology. 203, p. 131-141 11 p.

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

  22. Published

    Global Research Alliance N2O chamber methodology guidelines: Design considerations

    Clough, T. J., Rochette, P., Thomas, S. M., Pihlatie, M., Christiansen, Jesper Riis & Thorman, R. E., 1 Sep 2020, In: Journal of Environmental Quality. 49, 5, p. 1081-1091 12 p.

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

  23. Published

    Greenhouse gas exchange and nitrogen loss under forest change: the role of tree species, land use history and wet forest soils

    Christiansen, Jesper Riis, 2010, Forest & Landscape, University of Copenhagen. 217 p.

    Research output: Book/Report › Ph.D. thesis › Research

  24. Published

    High-resolution ecosystem-level CO2 and CH4 fluxes with novel automatic chamber techniques

    Larsen, Klaus Steenberg, Christiansen, Jesper Riis & Jørgensen, P., 2018, In: Geophysical Research Abstracts. 20, 1 p., EGU2018-10252.

    Research output: Contribution to journal › Conference abstract in journal › Research

  25. Published

    High-resolution, ecosystem-level CO2, H2O and CH4 fluxes with novel automatic light/dark chamber

    Larsen, Klaus Steenberg, Jørgensen, P. & Christiansen, Jesper Riis, 2019, In: Geophysical Research Abstracts. 21, 1 p., EGU2019-5594.

    Research output: Contribution to journal › Conference abstract in journal › Research

  26. Published

    Hvor stor er nedsivningen til grundvandet under skove?

    Christiansen, Jesper Riis, Vesterdal, Lars, Sevel, L., Hansen, K. & Bastrup-Birk, A., 2006, In: Skoven. 38, 12, p. 562-565 4 p.

    Research output: Contribution to journal › Journal article › Communication

  27. Published

    Indirect microbial effects on methane flux are stronger when the environmental influence is weaker in a temperate forest ecosystem

    Barker, J. S., Christiansen, Jesper Riis & Grayston, S., 2017, In: Soil Biology & Biochemistry. 105, p. 92-95 4 p.

    Research output: Contribution to journal › Journal article › 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

    Influence of hydromorphic soil conditions on greenhouse gas emissions and soil carbon stocks in a Danish temperate forest

    Christiansen, Jesper Riis, Gundersen, Per, Frederiksen, P. & Vesterdal, Lars, 2012, In: Forest Ecology and Management. 284, p. 185-195 11 p.

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

  30. 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

  31. Published

    Mere vand i skoven: giver mere gas i atmosfæren

    Christiansen, Jesper Riis, Vesterdal, Lars, Gundersen, Per & Frederiksen, P., 2012, In: Aktuel Naturvidenskab. 1, p. 34-37 4 p.

    Research output: Contribution to journal › Journal article › Communication

  32. Published

    Metan fra skovene - mere mellem himmel og jord

    Felby, C., Christiansen, Jesper Riis, Bentsen, Niclas Scott & Skov, Simon, 2018, In: Forskning i Bioenergi, Brint & Brændselsceller. 15, 63, p. 3-6 4 p.

    Research output: Contribution to journal › Journal article › Communication

  33. 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

  34. Published

    Methane fluxes and the functional groups of methanotrophs and methanogens in a young Arctic landscape on Disko Island, West Greenland

    Christiansen, Jesper Riis, Barrera Romero, A. J., Jørgensen, Niels O. G., Glaring, M. A., Jørgensen, C. J., Berg, L. K. & Elberling, Bo, 2015, In: Biogeochemistry. 122, 1, p. 15-33 19 p.

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

  35. 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

  36. Published

    Microbial and environmental controls of methane fluxes along a soil moisture gradient in a Pacific coastal temperate rainforest

    Christiansen, Jesper Riis, Levy-Booth, D., Prescott, C. E. & Grayston, S. J., 2016, In: Ecosystems. 19, 7, p. 1255-1270 16 p.

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

  37. 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

  38. Published

    Modelling water balance and nitrate leaching in Danish temperate Norway spruce and beech forests

    Christiansen, Jesper Riis, Elberling, B., Jansson, P., Callesen, Ingeborg & Vesterdal, Lars, 2006. 1 p.

    Research output: Contribution to conference › Poster › Research

  39. Published

    Modelling water balance and nitrate leaching in temperate Norway spruce and beech forests located on similar soil type.

    Christiansen, Jesper Riis, Elberling, B., Jansson, P., Callesen, Ingeborg & Vesterdal, Lars, 2006. 1 p.

    Research output: Contribution to conference › Poster › Research

  40. Published

    Modelling water balance and nitrate leaching in temperate Norway spruce and beech forests located on the same soil type

    Christiansen, Jesper Riis, Elberling, B., Jansson, P., Callesen, Ingeborg & Vesterdal, Lars, 2006, Ikke angivet. Kovar, K., Hrkal, Z. & Bruthans, J. (eds.). Unesco, 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  41. Published

    Modelling water balance and nitrate leaching in temperate Norway spruce and beech forests located on the same soil type with the CoupModel

    Christiansen, Jesper Riis, Elberling, Bo & Jansson, P., 2006, In: Forest Ecology and Management. 237, 1-3, p. 545-556 12 p.

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

  42. Published

    N-udvaskning efter skovrejsning på to lokaliteter på Sjælland

    Gundersen, Per, de la Riva Valdes, P. J. & Christiansen, Jesper Riis, 2020, 1 ed. København. 46 p.

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

  43. Published

    Nedsivning af vand under otte danske skove

    Christiansen, Jesper Riis, Vesterdal, Lars, Hansen, K. I., Sevel, L., Gundersen, Per & Bastrup-Birk, Annemarie, 2008, In: Videnblade Skov og Natur. 8.5-20, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  44. Published

    Nitratudvaskning fra otte danske skove

    Sevel, L., Hansen, K. I., Vesterdal, Lars, Christiansen, Jesper Riis & Bastrup-Birk, Annemarie, 2008, In: Videnblade Skov og Natur. 8.5-21, 2 p.

    Research output: Contribution to journal › Journal article › Communication

  45. Published

    Nitratudvaskning fra skove: hvad betyder kvælstoftilførsel og skovtype?

    Sevel, L., Vesterdal, Lars, Hansen, K., Christiansen, Jesper Riis & Bastrup-Birk, A., 2006, In: Skoven. 38, 12, p. 566-569 4 p.

    Research output: Contribution to journal › Journal article › Communication

  46. Published

    Nitrous oxide and methane exchange in two small temperate forest catchments - effects of hydrological gradients and implications for global warming potentials of forest soils

    Christiansen, Jesper Riis, Vesterdal, Lars & Gundersen, Per, 2012, In: Biogeochemistry. 107, 1-3, p. 437-454 18 p.

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

  47. 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

  48. Published

    Rapport for projektet "Udledning af drivhusgasserne metan og lattergas fra våde skovjorde"

    Vesterdal, Lars, Schmidt, Inger Kappel, Gundersen, Per, Christiansen, Jesper Riis & Frederiksen, P., 2006, Center for Skov, Landskab og Planlægning/Københavns Universitet. 11 p.

    Research output: Book/Report › Report › Research

  49. Published

    Response of heterotrophic respiration and oxidation of atmospheric CH4 to changes in soil moisture and temperature in drylands across a global climate and ecosystem gradient

    Hessilt, T., Hauptmann, D. L. & Christiansen, Jesper Riis, 2020. 1 p.

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

  50. Published

    Revealing unknown subglacial carbon processes using high frequency gas measurements and stable isotopes

    Christiansen, Jesper Riis, Röckmann, T., Popa, E., Sapart, C. J. & Jørgensen, C. J., 2020. 1 p.

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

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