Dr. Jessica Gier

Scientific coordinator SOLAS 

Research Division 2: Marine Biogeochemistry
Research Unit Chemical Oceanography

  Office:

  Room: 022
  Tel.: +49 431 600 4153
  E-Mail: jgier(at)geomar.de

  Address:

  GEOMAR Helmholtz Centre for Ocean Research Kiel
  Düsternbrooker Weg 20
  24105 Kiel

Education and experience

2017 - today
Project officer, SOLAS, GEOMAR Helmholtz - Centre for Ocean Research Kiel, Kiel, Germany

2016
Certification project management according to GPM, Kiel, Germany

2016
Research associate in Physical Oceanography, GEOMAR Helmholtz - Centre for Ocean Research Kiel, Kiel, Germany

2012 - 2016
PhD in Marine Biogeochemistry, GEOMAR Helmholtz - Centre for Ocean Research Kiel, Kiel, Germany
Thesis topic: Benthic nitrogen fixation in oxygen minimum zone
Mentor: Prof. Tina Treude

2010 - 2012
Master of Science in Biological Oceanography, Christian-Albrechts University and GEOMAR Helmholtz - Centre for Ocean Research Kiel, Kiel, Germany

2009 - 2010
Fellowship for two master semesters in the Sino-German Initiative on Marine Sciences, Ocean University of China, Qingdao, China

2006 - 2009
Bachelor of Science in Biology, University of Bielefeld, Germany

2005 - 2006
Biological internship, Butterfly Garden, Friedrichsruh-Hamburg, Germany

Projects

2017 - today
Surface Ocean - Lower Atmosphere Study (SOLAS)

2012 - 2016

Sonderforschungsbereich 754 (SFB 754)

Expeditions

Mauritania, Atlantic Ocean
RV "Meteor" M107, 29.05.-04.07.2014, Fortaleza (Brasil) - Las Palmas (Gran Canaria), Project: SFB754, Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones.

Peru, South Pacific
RV "Meteor" M92, 05.01.-03.02.2013, Callao-Callao (Peru), Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones.

Plus diverse field trips into the Eckernfoerder Bay with RB "Polarfuchs" and RB "Littorina".

Talks and Poster

Invited talk

Gier J, Löscher CR, Sommer S, Dale AW, Schmitz RA, Treude T: Benthic nitrogen fixation in oxygen minimum zones. Nordic Centre for Earth Evolution, Department of Biology, Odense, Denmark, 15.06.2016

Conferences


Gier J, Sommer S, Löscher CR, Dale AW, Schmitz RA, Treude T: Nitrogen fixation in sediments along a depth transect through the eastern boundary upwelling systems. Poster, American Geophysical Union, San Francisco, USA, 13. - 18.12.2015

Gier J, Sommer S, Löscher CR, Dale AW, Schmitz RA, Treude T: Nitrogen fixation in sediments along a depth transect through the Peruvian oxygen minimum zone. Talk, Ocean Sciences Meeting, Honolulu, Hawai’i, USA, 23. - 28.02.2014

Gier J, Sommer S, Löscher CR, Dale AW, Treude T: Microbial benthic nitrogen fixation inside and below the Peruvian oxygen minimum zone. Talk, International Symposium on Environmental Biogeochemistry, Wuhan, China, 13. - 18.10.2013

Publications

Gier J, Löscher CR, Dale AW, Sommer S, Lomnitz U, and Treude T (2017) Benthic dinitrogen fixation traversing the oxygen minimum zone off Mauritania (NW Africa). In revision in Frontiers in Marine Science.

Gier J
, Sommer S, Löscher CR, Dale AW, Schmitz RA, and Treude T (2016) Nitrogen fixation in sediments along a depth transect through the Peruvian oxygen minimum zone. Biogeosciences, 13, 4065-4080.

Sommer S, Gier J, Treude T, Lomnitz U, Dengler M, Cardich J, and Dale AW (2016) Depletion of oxygen, nitrate and nitrite in the Peruvian oxygen minimum zone cause an imbalance of benthic nitrogen fluxes. Deep Sea Research Part I, 112, 113–122.

Dale AW, Sommer S, Lomnitz U, Montes I, Treude T, Liebetrau V, Gier J, Hensen C, Dengler M, Stolpovsky K, Bryant LD, and Wallmann K (2015) Organic carbon production, mineralisation and preservation on the Peruvian margin. Biogeosciences, 12, 1537–1559.

Bertics VJ, Löscher CR, Salonen I, Dale AW, Gier J, Schmitz RA, and Treude T (2013) Occurrence of benthic microbial nitrogen fixation coupled to sulfate reduction in the seasonally hypoxic Eckernförde Bay, Baltic Sea. Biogeosciences, 10, 1243-1258.