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Janis Ahrens

MASTER Marine environmental science
ICBM, OLDENBURG UNIVERSITY 
Carl-von-Ossietzky-Str. 9-11
D-26129 OLDENBURG 
GERMANY

TEL.: (49) 441-798-2534
FAX: (49) 441-798-3404
RAUM: W15-2-223


E-MAIL: ja7uu2nis.ahrens@uol.demgnv

 

Curriculum Vitae

since 2016     Ph.D. student at the Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Germany
2012-2016   Studies of Marine Environmental Sciences (M.Sc.) at University of Oldenburg
2008-2012  

Studies of Geosciences (B.Sc.) at University of Bremen

Research Interests

Inorganic biogeochemistry of wave-exposed tidal beaches and their potential impact on the coastal sea.

 

Publications

Oehler T, Tamborski J, Rahman S, Moosdorf N, Ahrens J, Mori C, Neuholz R, Schnetger B and Beck M (2019): DSi as a Tracer for Submarine Groundwater Discharge. Frontiers in Marine Science 6:563.

Waska H, Greskowiak J, Ahrens J, Beck M, Ahmerkamp S, Böning P, Brumsack HJ, Degenhardt J, Ehlert C, Engelen B, Grünenbaum N, Holtappels M, Pahnke K, Marchant HK, Massmann G, Meier D, Schnetger B, Schwalfenberg K, Simon H, Vandieken V, Zielinski O, Dittmar T (2019): Spatial and Temporal Patterns of Pore Water Chemistry in the Inter-Tidal Zone of a High Energy Beach. Frontiers in Marine Science 6:154.

Seibert S L, Holt T, Reckhardt A, Ahrens J, Beck M, Pollmann T, Giani L, Waska H, Böttcher M E, Greskowiak J, Massmann G (2018): Hydrochemical evolution of a freshwater lens below a barrier island (Spiekeroog, Germany): The role of carbonate mineral reactions, cation exchange and redox processes. Applied Geochemistry 92, 196-208.

Conference Items

Ahrens J, Degenhardt J, Böning P, Beck M, Schnetger B, Pahnke K, Brumsack HJ (2019): Iron cycling in a high-energy beach. Submarine Groundwater Discharge Workshop, ZMT Bremen, Germany

Ahrens J, Beck M, Marchant H, Ahmerkampt S, Waska H, Simon H, Schnetger B, Brumsack HJ (2019): Seasonality of pore water geochemistry in a high-energy sandy beach: Implications for the fate of inorganic nitrogen and metals. ASLO Aquatic Science Meeting 2019, San Juan, Puerto Rico

Ahrens J, Beck M, Greskowiak J, Grünenbaum N, Degenhardt J, Waska H, Schnetger, Brumsack HJ (2018): Efficient nutrient recycling in the subterranean estuary of an exposed sandy beach. Saltwater Intrusion Meeting 2018, Gdansk, Poland

Waska H, Ahrens J, Grünenbaum N, Massmann G, Meier D, Schwalfenberg K, Simon H, Zielinski O, Dittmar T (2018): Beach morphology impacts dissolved organic matter (DOM) dynamics in the subterranean estuary. ASLO Ocean Science Meeting, Portland (Oregon), USA

Ahrens J, Beck M, Waska H, Schnetger B, Brumsack H-J (2017): Spatial Variability in Pore Water Biogeochemistry and Trace Metal Cycling of a Subterranean Estuary. Goldschmidt Conference, Paris, France

Goldhammer T, Ahrens J, Marshall J, Ferdelman T (2014): Phosphorus burial in ultra-oligotrophic sediments of the South Pacific. EGU General Assembly 2014, Vienna

Govin A, Ahrens J, Heslop D, Zabel M, Mulitza S, Chiessi CM (2013): History of terrestrial precipitation in the Amazon basin (South America) during the last 240 ka. PAGES 2nd Young Scientists Meeting and 4th Open Science Meeting, Goa, India

Jugqlia lemKirfkyquchlahner (julia.kirchncxteyer@uni-oldsfenburgxtxb.d4ye) (Stand: 13.09.2019)