Thomas Juul-Pedersen, Ph.d.

Senior Scientist and Education Coordinator

Department
Greenland Climate Research Centre
Phone
+299 36 12 49
Email
thpe@natur.gl

Job description

Pelagic and sea ice biogeochemistry, primary production, sedimentation, remineralization, carbon budgets and food web structure, Research and long-term monitoring of pelagic processes and climate impact, program manager for MarinBasis Nuuk.

Publications by
Thomas Juul-Pedersen

Mortensen J, Rysgaard S, Winding MHS, Juul-Pedersen T, Arendt KE, Lund H, Stuart-Lee AE, Meire L (2022) Multidecadal Water Mass Dynamics on the West Greenland Shelf. JGR Oceans 127:e2022JC018724

Sejr MK, Bruhn A, Dalsgaard T, Juul-Pedersen T, Stedmon CA, Blicher M, Meire L, Mankoff KD, Thyrring J (2022) Glacial meltwater determines the balance between autotrophic and heterotrophic processes in a Greenland fjord. PNAS 19:e2207024119

Krause J, Hopwood MJ, Höfer J, Krisch S, Achterberg EP, Alarcón E, Carroll D, González HE, Juul-Pedersen T, Liu T, Lodeiro P, Meire L, Rosing MT (2021) Trace Element (Fe, Co, Ni and Cu) Dynamics Across the Salinity Gradient in Arctic and Antarctic Glacier Fjords. Front. Earth Sci 9: 878

Hopwood MS, Carroll D, Dunse T, Hodson A, Holding JM, Iriate JL, Ribeiro S, Achterberg EP, Cantoni C, Carlson DF, Chierici M, Clarke JS, Cozzi S, Fransson A, Juul-Pedersen, T, Winding MHS, Meire L (2020) Review article: How does glacier discharge affect marine biogeochemistry and primary production in the Arctic? The Cryosphere 14:1347-1383

Rysgaard S, Boone W, Carlson D, Sejr MK, Bendtsen J, Juul-Pedersen T, Lund H, Meire L, Mortensen J (2020) An updated view on water masses on the pan-West Greenland continental shelf and their link to proglacial fjords. J Geophys Res: Oceans 125:e2019JC015564

Holding JH, Markager S, Juul-Pedersen T, Paulsen ML, Møller EF, Meire L, Sejr MK (2019) Seasonal and spatial patterns of primary production in a high-latitude fjord affected by Greenland Ice Sheet run-off. Biogeosciences 16:3777-3792

Krawczyk DW, Meire L, Lopes C, Juul-Pedersen T, Mortensen J, Li CL, Krogh T (2018) Seasonal succession, distribution, and diversity of planktonic protists in relation to hydrography of the Godthåbsfjord system (SW Greenland). Polar Biol 41:2033-2052

Lemcke S, Holding J, Møller EF, Thyrring J, Gustavson K, Juul-Pedersen T, Sejr MK (2018) Acute oil exposure reduces physiological process rates in Arctic phyto- and zooplankton. Ecotoxicology 28:26-36

Mortensen J, Rysgaard S, Arendt KE, Juul-Pedersen T, Søgaard DH, Bendtsen J, Meire L (2018), Local coastal water masses control heat levels in a West Greenland tidewater outlet glacier fjord. J. Geophys. Res. Oceans 123

Williams S, Halfar J, Zack T, Hetzinger S, Blicher M, Juul-Pedersen T (2018) Comparison of climate signals obtained from encrusting and free-living rhodolith coralline algae. Chemi Geol 476:418-428

Williams S, Halfar J, Zack T, Hetzinger S, Blicher ME, Juul-Pedersen T, Kronze A, Noël B, van den Broeke M, van de Berg WJ (2018) Coralline Algae Archive Fjord Surface Water Temperatures in Southwest Greenland. JGR: Biogeosciences 123:2617-2626

Meire L, Mortensen J, Meire P, Juul-Pedersen T, Sejr MK, Rysgaard S, Nygaard R, Huybrechts P, Meysman FJR (2017) Marine-terminating glaciers sustain high productivity in Greenland fjords. Global Change Biol 23:5344-5357

Paulsen ML, Nielsen SEB, Müller O, Møller EF, Stedmon CA, Juul-Pedersen T, Markager S, Sejr MK, Delgado Huertas A, Larsen A, Middelboe M (2017) Carbon Bioavailability in a High Arctic Fjord Influenced by Glacial Meltwater, NE Greenland. Frontiers in Marine Science 4:176

Sejr MK, Stedmon CA, Bendtsen J, Abermann J, Juul-Pedersen T, Mortensen J, Rysgaard S (2017) Evidence of local and regional freshening of Northeast Greenland coastal waters. Scientific Reports 7:13183

Arendt KE, Agersted MD, Sejr MK, Juul-Pedersen T (2016) Glacial meltwater influences on plankton community structure and the importance of top-down control (of primary production) in a NE Greenland fjord. Estuar Coast Shelf Sci 183:123-135

Hopwood MJ, Connelly DP, Arendt KE, Juul-Pedersen T, Stinchcombe MC, Meire L, Esposito M, Krishna R (2016) Seasonal Changes in Fe along a Glaciated Greenlandic Fjord. Frontiers in Earth Science 4

Meire L, Meire P, Struyf E, Krawczyk DW, Arendt KE, Yde JC, Juul-Pedersen T, Hopwood MJ, Rysgaard S, Meysman FJR (2016) High export of dissolved silica from the Greenland Ice Sheet. Geophys Res Lett 43:9173-9182

Juul-Pedersen T, Arendt KE, Mortensen J, Blicher ME, Søgaard DH, Rysgaard S (2015) Seasonal and interannual phytoplankton production in a sub-Arctic tidewater outlet glacier fjord, SW Greenland. Mar Ecol Prog Ser 524:27-38

Krawczyk DW, Arendt KE, Juul-Pedersen T, Sejr MK, Blicher ME, Jakobsen HH (2015) Spatial and temporal distribution of planktonic protists in the East Greenland fjord and offshore waters. Mar Ecol Prog Ser 538:99-116

Krawczyk DW, Witkowski A, Juul-Pedersen T, Arendt KE, Mortensen J, Rysgaard S (2015) Microplankton succession in a SW Greenland tidewater glacial fjord influenced by coastal inflows and run-off from the Greenland Ice Sheet. Polar Biol 38:1515-1533

Leu E, Mundy CJ, Assmy P, Campbell K, Gabrielsen TM, Gosselin M, Juul-Pedersen T, Gradinger R (2015) Arctic spring awakening – Steering principles behind the phenology of vernal ice algal blooms. Prog Oceanogr 139:151-170

Meire L, Søgaard DH, Mortensen J, Meysman FJR, Soetaert K, Arendt KE, Juul-Pedersen T, Blicher ME, Rysgaard S (2015) Glacial meltwater and primary production are drivers of strong CO₂ uptake in fjord and coastal waters adjacent to the Greenland Ice Sheet. Biogeosciences 12:2347-2363

Murray C, Markager S, Stedmon CA, Juul-Pedersen T, Sejr MK, Bruhn A (2015) The influence of glacial melt water on bio-optical properties in two contrasting Greenlandic fjords. Estuar Coast Shelf Sci 163:72-83

Sørensen HL, Meire L, Juul-Pedersen T, de Stigter HC, Meysman FJR, Rysgaard S, Thamdrup B, Glud RN (2015) Seasonal carbon cycling in a Greenlandic fjord: an integrated pelagic and benthic study. Mar Ecol Prog Ser 539:1-17

Riisgaard K, Swalethorp R, Kjellerup S, Juul-Pedersen T, Nielsen TG (2014) Trophic role and top-down control of a subarctic protozooplankton community. Mar Ecol Prog Ser 500:67-82

Arendt KE, Juul-Pedersen T, Mortensen J, Blicher ME, Rysgaard S (2013) A 5-year study of seasonal patterns in mesozooplankton community structure in a sub-Arctic fjord reveals dominance of Microsetella norvegica (Crustacea, Copepoda). J Plankton Res 35:105-120

Søgaard DH, Thomas DN, Rysgaard S, Glud RN, Norman L, Kaartokallio H, Juul-Pedersen T, Geilfus N-X (2013) The relative contributions of biological and abiotic processes to carbon dynamics in subarctic sea ice. Polar Biol 36:1761-1777

Rysgaard S, Mortensen J, Juul-Pedersen T, Sørensen LL, Lennert K, Søgaard DH, Arendt KE, Blicher ME, Sejr MK, Bendtsen J (2012) High air–sea CO₂ uptake rates in nearshore and shelf areas of Southern Greenland: Temporal and spatial variability. Mar Chem 128-129:26-33

Tang KW, Nielsen TG, Munk P, Mortensen J, Møller EF, Arendt KE, Tönnesson K, Juul-Pedersen T (2011) Metazooplankton community structure, feeding rate estimates, and hydrography in a meltwater-influenced Greenlandic fjord. Mar Ecol Prog Ser 434:77-90

Juul-Pedersen T, Michel C, Gosselin M (2010) Sinking export of particulate organic material from the euphotic zone in the eastern Beaufort Sea. Mar Ecol Prog Ser 410:55-70

Juul-Pedersen T, Michel C, Gosselin M (2008) Influence of the Mackenzie River plume on the sinking export of particulate material on the shelf. J Mar Syst 74:810-824

Juul-Pedersen T, Michel C, Gosselin M, Seuthe L (2008) Seasonal changes in the sinking export of particulate material under first-year sea ice on the Mackenzie Shelf (western Canadian Arctic). Mar Ecol Prog Ser 353:13-25