DA

Dorte H. Søgaard

Forsker og Uddannelseskoordinator

Afdeling
Grønlands Klimaforskningscenter
Telefon
+45 66 164 226
Email
doso@natur.gl

Stillingsbeskrivelse

Havis, sne, frostblomster og biogeokemi under is-vand, autotrofisk aktivitet, heterotrofisk aktivitet og kulstofdynamik, rum- og tidsmæssig fordeling af ikaite og andre vigtige biogeokemiske parametre, klimapåvirkning.

Videnskabelige artikler

Tekniske rapporter

García LM, Sorrell B, Søgaard DH, Lund-Hansen LC (2023) Spatial variability in the primary production rates and biomasses (Chl a) of sea ice algae in the Canadian Arctic–Greenland region: A review. J Mar Sci Eng 11:2063

Vonnahme TR, Nowak A, Hopwood MJ, Meire L, Søgaard DH, Krawczyk D, Kalhagen K, Juul-Pedersen T (2023) Impact of winter freshwater from tidewater glaciers on fjords in Svalbard and Greenland; A review. Prog Oceanogr 219:103144

Lund-Hansen LC, Petersen CM, Søgaard DH, Sorrell BK (2021) A comparison of Decimeter Scale Variations of Physical and Photobiological Parameters in a Late Winter First-Year Sea Ice in Southwest Greenland. J Mar Sci Eng 9:60

Søgaard DH, Sorrell BK, Sejr MK, Rysgaard S, Juel-Hansen P, Skytta A, Lemcke S, Lund-Hansen LC (2021) An under-ice bloom of mixotrophic haptophytes in low nutrient and freshwater-influenced Arctic waters. Sci Rep 11:2915

Søgaard DH, Deming JW, Meire L, Rysgaard S (2019) Effects of microbial processes and CaCO3 dynamics on inorganic carbon cycling in snow-covered Arctic winter sea ice. MEPS 611:31-44

Attard KM, Søgaard DH, Piontek J, Lange BA, Katlein X, Sørensen HL, McGinnis DF, Rovelli L, Rysgaard S, Wenzhöfer F, Glud RN (2018) Oxygen fluxes beneath Arctic land-fast ice and pack ice: toeards estimates of ice productivity. Polar Biol.

Attard KM, Søgaard DH, Piontek J, Lange BA, Katlein X, Sørensen HL, McGinnis DF, Rovelli L, Rysgaard S, Wenzhöfer F, Glud RN (2018) Oxygen fluxes beneath Arctic land-fast ice and pack ice: toeards estimates of ice productivity. Polar Biol.

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, 8068-8083

Juul-Pedersen T, Arendt K, Mortensen J, Blicher M, Søgaard DH, Rysgaard S (2015) Seasonal and interannual phytoplankton production in a sub-arctic tidewater outlet glacier fjord, west Greenland. Marine Ecology Progress Series. 524: 27-38, dx.

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 as drivers for strong CO2uptake in fjord and coastal waters adjacent to the Greenland Ice Sheet. Biogeosciences 12, 2347-2363. dx.

Sievers J, Sørensen LL, Papakyriakou T, Else B, Sejr MK, Søgaard DH, Barber D, Rysgaard S (2015). Winter observations of CO2 exchange between sea ice and the atmosphere in a coastal fjord environment. The Cryosphere, 9, 1701–1713, 2015. www.the-cryosphere.net/9/1701/2015/. dx.

Barber DG, Ehn JK, Pucko M, Deming J, Rysgaard S, Papakyriakou T, Galley R, Søgaard D (2014). Frost flowers on young sea ice: The climatic, chemical and microbial significance of an emerging ice type. Journal of Geophysical Research, Atmosphere.

Sørensen LL, Jensen B, Glud RN, McGinnis DF, Sejr MK, Sievers J, Søgaard DH, Tison JL, Rysgaard S (2014). Parameterization of atmosphere-surface exchange of CO2 over sea ice. The Cryosphere 8:853-866. dx.

Geilfus N-X, Galley R, Hare A, Wang F, Søgaard D, Rysgaard S (2013). Ikaite and gypsum crystals observed in experimental and natural sea ice. Geophysical Research Letters. 40, 1-6.dx.

Kaartokallio H, Søgaard D, Norman L, Rysgaard S, Tison J-L, Delille B, Thomas DN (2013). Short-term variability in bacterial abundance, cell properties, leucine and thymidine incorporation in sub-Arctic sea ice. Aquatic Microbial Ecology 71:57-73. dx.

Rysgaard S, Søgaard D, Cooper M, Pucko M, Lennert K, Papakyriakou TN, Wang F, Geilfus NX, Glud RN, Ehn J, McGinnes D, Attard K, Siverts J, Deming J, Barber D (2013) Ikaite crystal distribution in Arctic winter sea ice and its implications for CO2 system dynamics. The Cryosphere 7, 1-12 dx.

Søgaard DH, Thomas D, Rysgaard S, Glud RN, Norman L, Kaartokallio H, Juul-Pedersen T, Geilfus N-X (2013). The relative contributions of biological and abiotic processes to the carbon dynamics in subarctic sea ice during the transition from winter to spring. Polar Biology, December 2013, Volume 36, Issue 12, pp 1761-1777.dx.

Long MH, Koopmans D, Berg P, Rysgaard S, Glud RN, Søgaard, DH (2012). Oxygen exchange and ice melt measured at the ice-water interfaceby eddy correlation. Biogeosciences, 9, 1–11, 2012. dx.

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. Marine Chemistry. dx.

Søgaard DH, Hansen PJ, Rysgaard S, Glud RN (2011). Growth limitation of three Arctic sea ice algal species: effects of salinity, pH, and inorganic carbon availability. Polar Biol. dx.

Søgaard DH , Kristensen M, Rysgaard S, Glud RN, Hansen PJ, Hillingsøe KM (2010). Autotrophic and heterotrophic activity in Arctic first-year sea-ice: Seasonal study from Marlene Bight, SW Greenland. Mar Ecol Prog Ser 419:31-45. dx.