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Christian Juncher Jørgensen

PhD, Seniorforsker

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Christian Juncher Jørgensen

Seniorforsker

  • Institut for Ecoscience - Arktisk miljø
  • Arctic Research Centre
  • iCLIMATE Aarhus University Interdisciplinary Centre for Climate Change
Adressetype: Postaddresse.
Frederiksborgvej 399
7418, I2.39
4000
Roskilde
Danmark
Adressetype: Postaddresse.
Frederiksborgvej 399
4000
Roskilde
Danmark

E-mail: cjj@ecos.au.dk

Mobil: +4520871932

Ansættelse

Seniorforsker

Institut for Ecoscience - Arktisk miljø

Aarhus Universitet

Roskilde, Danmark

2 sep. 2021 → nu

Seniorforsker

Arctic Research Centre

Aarhus Universitet

Roskilde, Danmark

15 feb. 2023 → nu

Seniorforsker

iCLIMATE Aarhus University Interdisciplinary Centre for Climate Change

Aarhus Universitet

Roskilde, Danmark

1 jan. 2019 → nu

Specialkonsulent

Institut for Ecoscience - Arktisk miljø

Aarhus Universitet

Roskilde, Danmark

1 mar. 2018 → 10 sep. 2021

Specialkonsulent

Institut for Ecoscience - Arktisk miljø

Aarhus Universitet

Roskilde, Danmark

1 mar. 2018 → 19 dec. 2019

R&D Ingeniør

FORCE Technology

Copenhagen, Danmark

aug. 2016 → feb. 2018

Miljøkonsulent

Sweco

Glostrup, Danmark

sep. 2015 → jul. 2016

Lektor

Københavns Universitet

København, Danmark

jul. 2014 → aug. 2018

Postdoc

Københavns Universitet

København, Danmark

jan. 2011 → jun. 2014

PhD studerende

Københavns Universitet

København, Danmark

apr. 2008 → dec. 2011

Projektleder

Orbicon

Aarhus, Danmark

jan. 2008 → mar. 2008

Publikationer

Geochemical fingerprinting of high latitude dust – potential environmental impacts of natural and mining related dust in Greenland in a changing climate.

Jørgensen, C. J., Søndergaard, J. & Mosbech, A., 2023.

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., nov. 2022, Aarhus University, DCE – Danish Centre for Environment and Energy. 37 s. (Scientific Report from DCE - Danish Centre for Environment and Energy; Nr. 515).

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 s. (Scientific Report from DCE - Danish Centre for Environment and Energy; Nr. 487).

DCEs kommentarer til ”Spørgsmål vedr. kysterosion i forbindelse med sandsugning ved Sisimiut (Masiks ansøgning)”

Jørgensen, C. J., 24 feb. 2022, 7 s..

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, I: Journal of Geophysical Research: Biogeosciences. 126, 11, 13 s., 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, I: Water, Air and Soil Pollution. 232, 144, 17 s., 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 s.. (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, (Afsendt) 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., okt. 2020, 24 s..

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, I: Atmospheric Measurement Techniques. 13, 6, s. 3319-3328 10 s.

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 s. (Scientific Report from DCE – Danish Centre for Environment and Energy; Nr. 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, I: Biogeosciences Discussions. 17, 2, s. 361-379 19 s.

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 s..

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 s..

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 s.

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, I: Scientific Reports. 8, 1, 6 s., 16623.

DCE´s kommentarer til oprydning af Nordafar

Gustavson, K. & Jørgensen, C. J., 6 jul. 2018, 5 s..

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 maj 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, I: Journal of Geophysical Research: Biogeosciences. 123, 2, s. 372-390 19 s.

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., okt. 2017, I: Wetlands. 37, 5, s. 975-983 9 s.

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, I: Sedimentary Geology. 340, s. 38-48 11 s.

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 maj 2016, I: Geophysical Research Letters. 43, 10, s. 5143-5150 8 s.

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, I: Biogeochemistry. 122, 1, s. 15-33 19 s.

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, I: Nature Geoscience. 8, 1, s. 20-23 4 s.

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, I: Aquatic Geochemistry. 20, 4, s. 419-435 17 s.

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, I: Geoviden. 4, s. 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 udg. Soil Science Society of America, s. 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., okt. 2012, I: Soil Biology & Biochemistry. 53, s. 9-17 9 s.

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, I: Global change biology. 18, 1, s. 210-222 13 s.

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, I: Journal of Archaeological Science. 38, 6, s. 1331-1339 9 s.

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, I: Plant and Soil. 343, 1-2, s. 287-301 15 s.

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, I: Environmental Science & Technology. 45, 8, s. 3393-3399 7 s.

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, I: Environmental Science & Technology. 43, 13, s. 4851-4857 7 s.

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, I: Vintermøde om jord- og grundvandsforurening.

Microbial Nitrate Reduction by Pyrite in Danish Aquifer Sand

Jørgensen, C. J., nov. 2007

Aktiviteter

Modern Mining Impacts and mitigation: An overview of principles and criteria for environmental protection in Mining with a focus on the marine environment.

Christian Juncher Jørgensen (Foredragsholder)

21 mar. 2023

Long-term continuous monitoring of mineral dust in Kangerlussuaq, West Greenland.

Christian Juncher Jørgensen (Foredragsholder), Jens Søndergaard (Foredragsholder) & Anders Mosbech (Foredragsholder)

14 feb. 2023 → 15 feb. 2023

Permafrost Engineering Short Course

Christian Juncher Jørgensen (Deltager)

25 apr. 2022 → 29 apr. 2022

Mysterious Mercury - A cautionary tale from the Greenland Ice Sheet

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

26 okt. 2021

KUANNERSUIT Vigtige miljøemner ved projekt Kvanefjeld

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

5 feb. 2021 → 9 feb. 2021

Tailing and Mine Waste 2019

Christian Juncher Jørgensen (Deltager)

17 nov. 2019 → 20 nov. 2019

Tailings Dam Breach Analyses

Christian Juncher Jørgensen (Deltager)

17 nov. 2019

University of British Colombia, Vancouver

Christian Juncher Jørgensen (Gæsteforsker)

1 sep. 2019 → 1 apr. 2020

Metan frigivelse fra Indlandsisen

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

3 dec. 2018

University of California at Santa Barbara

Christian Juncher Jørgensen (Gæsteforsker)

1 okt. 2010 → 31 dec. 2010