Royal Netherlands Institute for Sea Research

Laura Korte

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 Research Interests

  • Atmospheric science with main interest in Saharan dust
  • Biogeochemistry with main interest in particle fluxes and composition in the ocean
  • Oceanography

 

Current project

The marine environmental effect of Saharan-dust deposition in the Atlantic Ocean

Million tons of Saharan dust are deposited into the Atlantic every year. This brings both refractory lithogenic material and new nutrients into the system, affecting primary production and particle export that transfers CO2 from the surface into the deep ocean.

① The wind blows dust through the atmosphere

② Dust minerals contain nutrients and metals which are processed in the atmosphere

③ Dust is deposited into the ocean - wet or dry deposition

④ Nutrients may be released into the water

⑤ Bioavailable fraction is used by the phytoplankton

⑥ Phytoplankton conducts photosynthesis and consume CO2

⑦ Phytoplankton is eaten by zooplankton

⑧ Dead cells and fecal pellets aggregate & sink to the bottom

⑨ Remaining organic matter settles out the water column and reaches the ocean floor

⑩ CO2 is sequestered

In order to determine the fluxes involved, an array of sediment traps were moored at 1200 m and 3500 m depth at five stations along a transect at approximately 12⁰N to monitor settling particle fluxes for three years. Every year these sediment traps were serviced.

 

Research cruises

  • November - December 2013, RV Pelagia (64PE378), Traffic II Transatlantic Fluxes of Saharan dust
  • January - February 2015, RV Pelagia (64PE395), Dusttraffic III Transatlantic Fluxes of Saharan dust
  • March - April 2016, RSS James Cook (JC134), Dusttraffic IV Transatlantic Fluxes of Saharan dust

 

CV

at present: PhD student Royal NIOZ (DUSTTRAFFIC project)

2010 - 2013: MSc at the University of Bremen with specialisation in Isotope Geochemistry

  • 2012 - 2013 Student Research Assistant at the Isotope Geochemistry Research Group
  • September/October 2011 Geoscientific Project at the University of Florida
  • 2010 - 2012 Student Research Assistant at the Hydrology/Geochemistry Research Group

2006 - 2009: BSc at the University of Münster with specialisation in Sedimentology and Hydrogeology

 

Honors & Awards

  • ISAR Travel grant (ICAR VIII, International Conference on Aeolian Research in Lanzhou, China)
  • DUST2014 Poster Prize

 

Publications:

Korte, L. F., Brummer, G. J. A., van der Does, M., Guerreiro, C. V., Hennekam, R., van Hateren, J. A., Jong, D., Munday, C. I., Schouten, S., and Stuut, J. B. W.: Downward particle fluxes of biogenic matter and Saharan dust across the equatorial North Atlantic, Atmos. Chem. Phys., 17, 6023-6040, 10.5194/acp-17-6023-2017, 2017.

Guerreiro, C. V.,  Baumann, K. H., Brummer, G. J. A., Fischer, G., Korte, L. F., Merkel, U., Sá, C. de Stigter, H. Stuut, J. B. W.: Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust, Biogeosciences 14(20): 4577-4599, 2017.

Van der Does, M., Korte, L. F., Munday, C. I., Brummer, G. J. A., and Stuut, J. B. W.: Particle size traces modern Saharan dust transport and deposition across the equatorial North Atlantic, Atmos. Chem. Phys., 16, 13697-13710, 10.5194/acp-16-13697-2016, 2016.