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Christian Juncher Jørgensen

PhD, Senior Researcher

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Christian Juncher Jørgensen

Senior Researcher

  • Department of Ecoscience - Arctic Environment
  • iCLIMATE Aarhus University Interdisciplinary Centre for Climate Change
Postal address:
Frederiksborgvej 399
7418, I2.39
4000
Roskilde
Denmark
Postal address:
Frederiksborgvej 399
4000
Roskilde
Denmark

Email: cjj@ecos.au.dk

Mobile: +4520871932

Employment

Senior Researcher

Department of Ecoscience - Arctic Environment

Aarhus University

Roskilde, Denmark

2 Sep 2021 → present

Senior Researcher

iCLIMATE Aarhus University Interdisciplinary Centre for Climate Change

Aarhus University

Roskilde, Denmark

1 Jan 2019 → present

Special Consultant

Department of Ecoscience - Arctic Environment

Aarhus University

Roskilde, Denmark

1 Mar 2018 → 10 Sep 2021

Special Consultant

Department of Ecoscience - Arctic Environment

Aarhus University

Roskilde, Denmark

1 Mar 2018 → 19 Dec 2019

R&D Engineer

FORCE Technology

Copenhagen, Denmark

Aug 2016 → Feb 2018

Environmental consultant

Sweco

Glostrup, Denmark

Sep 2015 → Jul 2016

Associate Professor

University of Copenhagen

København, The Capital Region of Denmark, Denmark

Jul 2014 → Aug 2018

Postdoc

University of Copenhagen

København, The Capital Region of Denmark, Denmark

Jan 2011 → Jun 2014

PhD Student

University of Copenhagen

København, The Capital Region of Denmark, Denmark

Apr 2008 → Dec 2011

Project leader

Orbicon

Aarhus, Denmark

Jan 2008 → Mar 2008

Research outputs

Air emissions from small-scale burning tests of crude and heavy fuel oil

Fritt-Rasmussen, J., Jørgensen, C. J., Nøjgaard, J. K., Wilkens, K., Renvald, L., Wegeberg, S., Lassen, P. & Gustavson, K., 24 Nov 2022, DCE – Danish Centre for Environment and Energy. 37 p.

ASSESSMENT OF THE POTENTIAL ENVIRONMENTAL IMPACTS OF A MAJOR AMMONIA SPILL FROM A POWER-TO-X PLANT AND FROM SHIPPING OF AMMONIA IN GREENLAND

Fritt-Rasmussen, J., Gustavson, K., Aastrup, P. J., Agersted, M. D., Boertmann, D., Clausen, D. S., Jørgensen, C. J., Lansø, A. S. & Mosbech, A., Mar 2022, Roskilde: Aarhus University, DCE- Nationalt Center for Miljø og Energi. 88 p.

Subglacial methane cycling under the Greenland Ice Sheet

Hatton, J. E., Polaskova, A., Garnett, M., Trubac, J., Christiansen, J. R., Jørgensen, C. J., Sapper, S. E., Vinsova, P., Blunier, T., Zarsky, J. D., Dyonisius, M., Znaminko, M. & Stibal, M., 2022.

Temporal relationship between meltwater discharge and CH and CO emissions from the Greenland Ice Sheet

Jørgensen, C. J., Sapper, S. E., Blunier, T., Gkinis, V. & Christiansen, J. R., 2022.

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

Sapper, S. E., Christiansen, J. R. & Jørgensen, C. J., 2022.

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

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

Field Portable X-Ray Fluorescence (pXRF) Spectrometry for Chemical Dust Source Characterization: Investigations of Natural and Mining-Related Dust Sources in Greenland (Kangerlussuaq Area)

Søndergaard, J. & Jørgensen, C. J., Apr 2021, In: Water, Air and Soil Pollution. 232, 144, 17 p., 144.

DCE/GN: Overordnede kommentarer til projektbeskrivelse og VVM rapport for Greenland Minerals Ltd - Projekt Kvanefjeld

Jørgensen, C. J., Asmund, G., Hansen, V., Jia, Y., Søndergaard, J., Gustavson, K., Boertmann, D. M., Nymand, J. & Mosbech, A., Jan 2021, 50 p.. (Fagligt notat fra DCE – Nationalt Center for Miljø og Energi ).

Environmental and climatic impacts of dust emissions from mines in Greenland

Jørgensen, C. J., Søndergaard, J. & Mosbech, A., 2021.

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, S. E., Christiansen, J. R. & Albers, C. N., 2021, (Submitted) Earth ArXiv.

DCE/GN – Centrale miljøemner ved Kvanefjeld projektet i Sydgrønland

Jørgensen, C. J., Asmund, G., Søndergaard, J., Hansen, V., Jia, Y., Nymand, J. & Mosbech, A., Oct 2020, 24 p..

DCE/GINR - Environmental review and technical assessment of: “Kvanefjeld Project. Environmental Impact Assessment” by Greenland Minerals A/S, August 2020

Jørgensen, C. J., Asmund, G., Hansen, V., Jia, Y., Søndergaard, J., Gustavson, K., Boertmann, D. M., Mosbech, A. & Nymand, J., Sep 2020

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. & Riis Christiansen, J., Jun 2020, In: Atmospheric Measurement Techniques. 13, 6, p. 3319-3328 10 p.

Environmental monitoring at mine sites in Greenland: A review of research and monitoring practices and their role in minimising environmental impact.

Søndergaard, J., Hansson, A. S. V., Bach, L., Hansen, V., Sonne, C., Jørgensen, C. J., Nymand, J. & Mosbech, A., 22 Jan 2020, Aarhus: Aarhus University, DCE - Danish Centre for Environment and Energy. 44 p. (Scientific Report from DCE – Danish Centre for Environment and Energy; No. 364).

Lability classification of soil organic matter in the northern permafrost region

Kuhry, P., Bárta, J., Blok, D., Elberling, B., Faucherre, S., Hugelius, G., Jørgensen, C. J., Richter, A., Šantrůčková, H. & Weiss, N., Jan 2020, In: Biogeosciences Discussions. 17, 2, p. 361-379 19 p.

Continuous measurements of subglacial methane using a low-cost low-power metal oxide sensor system at the Greenland Ice Sheet

Jørgensen, C. J. & Riis Christiansen, J., 2020.

Revealing unknown carbon turnover processes in the subglacial ecosystem using high frequency gas measurements and stable isotopes

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

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

Christiansen, J. R., Röckmann, T., Popa, E., Sapart, C. J. & Jørgensen, C. J., 2020.

Discovery of a new emission pathway of subglacial methane to the atmosphere from below the Greenland Ice Sheet

Christiansen, J. R., Sapart, C. J., Röckmann, T., van der Veen, C. & Jørgensen, C. J., 10 Apr 2019.

Measurements of subglacial methane emissions using a low-cost / low-power metal oxide sensor system

Jørgensen, C. J. & Christiansen, J. R., 10 Apr 2019.

DCE´s kommentarer til ”Oplæg til hydrogeologiske undersøgelser i Grønnedal” (Nanoq - ID nr.: 9878310)

Gustavson, K. & Jørgensen, C. J., 5 Feb 2019, 3 p..

Unexpected observation of emission of subglacial methane to the atmosphere

Christiansen, J. R., Sapart, C. J., Röckmann, T., van der Veen, C. & Jørgensen, C. J., 12 Dec 2018.

DCE´s kommentarer til Forsvarsministeries Projektbeskrivelse 9101Grønnedal: Pilotprojekt Ex-situ oprensning af olieforurenet jord ved termisk ledningsevne

Gustavson, K. & Jørgensen, C. J., 4 Dec 2018, 4 p..

CH4 sink capacity across the geodiversity of Arctic drylands and extreme soils

Jørgensen, C. J., Mariager, T. & Christiansen, J. R., 1 Dec 2018.

CH4 sink capacity across the geodiversity of Arctic drylands and extreme soils

Jørgensen, C. J., Mariager, T. & Christiansen, J. R., 1 Dec 2018.

Unexpected observation of emission of subglacial methane to the atmosphere

Jørgensen, C. J. & Christiansen, J. R., 1 Dec 2018.

Teknisk redegørelse vedrørende passiv opsamling af TVOC på ATD-rør og ORSA-rør

Jørgensen, C. J. & Fuglsang, K., Dec 2018, Miljøministeriet, Miljøstyrelsen.

Geochemical test work in Environmental Impact Assessments of mining projects in Greenland: Recommendations by DCE and GINR

Søndergaard, J., Hansen, V., Bach, L., Jørgensen, C. J., Jia, Y. & Asmund, G., 23 Nov 2018, 46 p.

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

Christiansen, J. R. & Jorgensen, C. J., 9 Nov 2018, In: Scientific Reports. 8, 6 p., 16623.

DCE´s kommentarer til oprydning af Nordafar

Gustavson, K. & Jørgensen, C. J., 6 Jul 2018, 5 p..

Development of fast deployable emission measurement system for quantification of atmospheric CH4 uptake in remote Arctic tundra and mountain landscapes

Jørgensen, C. J. & Christiansen, J. R., 10 May 2018.

Unexpected observation of emission of subglacial methane to the atmosphere

Christiansen, J. R. & Jørgensen, C. J., 10 Apr 2018.

Development of a fast deployable emission measurement system for quantification of atmospheric CH4 uptake in remote Arctic tundra and Mountain landscapes

Jørgensen, C. J. & Christiansen, J. R., 1 Mar 2018.

Short and Long-Term Controls on Active Layer and Permafrost Carbon Turnover Across the Arctic

Faucherre, S., Jorgensen, C. J., Blok, D., Weiss, N., Siewert, M. B., Bang-Andreasen, T., Hugelius, G., Kuhry, P. & Elberling, B., Feb 2018, In: Journal of Geophysical Research: Biogeosciences. 123, 2, p. 372-390 19 p.

Dronebased gas measurements – detections of leakages of methane

Jørgensen, C. J., Bræstrup, F. R., Mønster, J. & Fuglsang, K., 5 Dec 2017.

Effect of Temperature on Oxygen Profiles and Denitrification Rates in Freshwater Sediments

Overbeek, C. C., Jorgensen, C. J. & Veraart, A. J., Oct 2017, In: Wetlands. 37, 5, p. 975-983 9 p.

Arctic tundra and mountain landscapes are persistent sinks of atmospheric CH4

Christiansen, J. R., Winkler, R. & Jørgensen, C. J., 25 Apr 2017.

Spatial Survey of CH4 Uptake in an Arctic Landscape in Greenland

Jørgensen, C. J. & Christiansen, J. R., 2017

Thermokarst dynamics and soil organic matter characteristics controlling initial carbon release from permafrost soils in the Siberian Yedoma region

Weiss, N., Blok, D., Elberling, B., Hugelius, G., Jorgensen, C. J., Siewert, M. B. & Kuhry, P., 1 Jul 2016, In: Sedimentary Geology. 340, p. 38-48 11 p.

Abiotic controls on permafrost C mineralization rates based on incubating samples from 4 contrasting arctic localities

Faucherre, S., Banyasz, I., Jørgensen, C. J., Weiss, N., Hugelius, G., Kuhry, P. & Elberling, B., 22 Jun 2016.

Constraining the uncertainty of the Arctic CH4 sink and its potential effect on permafrost carbon feedbacks to the global climate system

Jørgensen, C. J., Christiansen, J. R., Mariager, T. & Hugelius, G., 22 Jun 2016.

A scalable model for methane consumption in arctic mineral soils

Oh, Y., Stackhouse, B., Lau, M. C. Y., Xu, X., Trugman, A. T., Moch, J., Onstott, T. C., Jorgensen, C. J., D'Imperio, L., Elberling, B., Emmerton, C. A., St Louis, V. L. & Medvigy, D., 28 May 2016, In: Geophysical Research Letters. 43, 10, p. 5143-5150 8 p.

The Arctic CH4 sink and its implications for the permafrost carbon feedbacks to the global climate system

Jørgensen, C. J., Christiansen, J. R., Mariager, T. & Hugelius, G., 20 Apr 2016.

An underestimated methane sink in Arctic mineral soils

Oh, Y., Medvigy, D., Stackhouse, B., Lau, M. C. Y., Onstott, T. C., Jørgensen, C. J., Elberling, B., Emmerton, C. A., St Louis, V. L. & Moch, J., 10 Dec 2015.

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

Christiansen, J. R., Barrera Romero, A. J., Jorgensen, N. O. G., Glaring, M. A., Jorgensen, C. J., Berg, L. K. & Elberling, B., Jan 2015, In: Biogeochemistry. 122, 1, p. 15-33 19 p.

Net regional methane sink in High Arctic soils of northeast Greenland

Jorgensen, C. J., Johansen, K. M. L., Westergaard-Nielsen, A. & Elberling, B., Jan 2015, In: Nature Geoscience. 8, 1, p. 20-23 4 p.

The Importance of Microbial Iron Sulfide Oxidation for Nitrate Depletion in Anoxic Danish Sediments

Vaclavkova, S., Jorgensen, C. J., Jacobsen, O. S., Aamand, J. & Elberling, B., Jul 2014, In: Aquatic Geochemistry. 20, 4, p. 419-435 17 p.

The effects of climate change on soil methane oxidation in a dry Arctic tundra

D'Imperio, L., Michelsen, A., Jørgensen, C. J. & Elberling, B., 30 Apr 2014.

Kulstof & kvælstof på godt og ondt - danske vådområders bidrag til drivhusgasbudgettet

Elberling, B. & Jørgensen, C. J., 2013, In: Geoviden. 4, p. 9-12

Methods to assess high-resolution subsurface gas concentrations and gas fluxes in wetland ecosystems

Elberling, B., Kühl, M., Glud, R. N., Jørgensen, C. J., Askaer, L., Fledelius Rickelt, L., Joensen, H. P. & Larsen, M., 2013, Methods in Biogeochemistry of Wetlands. 10 ed. Soil Science Society of America, p. 949-970

Effects of flooding-induced N2O production, consumption and emission dynamics on the annual N2O emission budget in wetland soil

Jorgensen, C. J. & Elberling, B., Oct 2012, In: Soil Biology & Biochemistry. 53, p. 9-17 9 p.

Flooding-induced N2O emissions following extreme weather flooding of a non-managed wetland soil

Jørgensen, C. J. & Elberling, B., 20 Jun 2012.

Temporal trends in N2O flux dynamics in a Danish wetland - effects of plant-mediated gas transport of N2O and O2 following changes in water level and soil mineral-N availability

Jorgensen, C. J., Struwe, S. & Elberling, B., Jan 2012, In: Global change biology. 18, 1, p. 210-222 13 p.

Subsurface Oxygen Availability Controls Greenhouse Gas Emission From Wetland Ecosystems.

Jørgensen, C. J. & Elberling, B., 2012

Paleo-Eskimo kitchen midden preservation in permafrost under future climate conditions at Qajaa, West Greenland

Elberling, B., Matthiesen, H., Jorgensen, C. J., Hansen, B. U., Gronnow, B., Meldgaard, M., Khan, S. A. & Andreasen, C., Jun 2011, In: Journal of Archaeological Science. 38, 6, p. 1331-1339 9 p.

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

Askaer, L., Elberling, B., Friborg, T., Jorgensen, C. J. & Hansen, B. U., Jun 2011, In: Plant and Soil. 343, 1-2, p. 287-301 15 p.

Linking Soil O2, CO2, and CH4 Concentrations in a Wetland Soil: Implications for CO2 and CH4 Fluxes

Elberling, B., Askaer, L., Jorgensen, C. J., Joensen, H. P., Kuhl, M., Glud, R. N. & Lauritsen, F. R., 15 Apr 2011, In: Environmental Science & Technology. 45, 8, p. 3393-3399 7 p.

Turnover and transport of greenhouse gases in a Danish wetland: Effects of water level changes and plant-mediated gas transport on N2O production, consumption and emission dynamics

Jørgensen, C. J., 2011

Microbial Oxidation of Pyrite Coupled to Nitrate Reduction in Anoxic Groundwater Sediment

Jorgensen, C. J., Jacobsen, O. S., Elberling, B. & Aamand, J., 1 Jul 2009, In: Environmental Science & Technology. 43, 13, p. 4851-4857 7 p.

Microbial nitrate reduction by pyrite in a sandy aquifer sediment

Jørgensen, C. J., Aamand, J., Elberling, B. & Jacobsen, O. S., 10 Dec 2008.

Mikrobiel nitratreduktion med pyrit som elektrondonor i danske sandede grundvandssedimenter

Jørgensen, C. J., Elberling, B., Jacobsen, O. S. & Aamand, J., 2008, In: Vintermøde om jord- og grundvandsforurening.

Microbial Nitrate Reduction by Pyrite in Danish Aquifer Sand

Jørgensen, C. J., Nov 2007

Activities

Permafrost Engineering Short Course

Christian Juncher Jørgensen (Participant)

25 Apr 2022 → 29 Apr 2022

Mysterious Mercury - A cautionary tale from the Greenland Ice Sheet

Christian Juncher Jørgensen (Lecturer), Jens Søndergaard (Lecturer), Martin Mørk Larsen (Lecturer), Christian Nyrop Albers (Lecturer), Kristian Kjellerup Kjeldsen (Lecturer), Diogo Rosa (Lecturer) & Sarah Elise Sapper (Lecturer)

26 Oct 2021

KUANNERSUIT Vigtige miljøemner ved projekt Kvanefjeld

Christian Juncher Jørgensen (Lecturer), Gert Asmund (Lecturer), Violeta Hansen (Lecturer), Kim Gustavson (Lecturer), Jens Søndergaard (Lecturer), Anders Mosbech (Lecturer), Yu Jia (Lecturer) & Josephine Nymand (Lecturer)

5 Feb 2021 → 9 Feb 2021

Tailing and Mine Waste 2019

Christian Juncher Jørgensen (Participant)

17 Nov 2019 → 20 Nov 2019

Tailings Dam Breach Analyses

Christian Juncher Jørgensen (Participant)

17 Nov 2019

University of British Colombia, Vancouver

Christian Juncher Jørgensen (Visiting researcher)

1 Sep 2019 → 1 Apr 2020

Metan frigivelse fra Indlandsisen

Christian Juncher Jørgensen (Lecturer) & Jesper Riis Christiansen (Lecturer)

3 Dec 2018

University of California at Santa Barbara

Christian Juncher Jørgensen (Visiting researcher)

1 Oct 2010 → 31 Dec 2010