Prof. Dr. Ralf Tiedemann

Ralf Tiedemann
Division Geosciences | Marine Geology and Paleontology
Related page
Email Ralf Tiedemann
Phone +49(471)4831-1200
Fax +49(471)4831-1923
Address Alfred Wegener Institute
Am Alten Hafen 26,
D-27568 Bremerhaven
(Room D-1360)

Research program

PACES II 3.2: Earth system on tectonic time scales: From greenhouse to icehouse world
PACES II 3.1: Circumpolar climate variability and global teleconnections at seasonal to orbital time scales


Latest Publications

Article
Radiocarbon constraints on the extent and evolution of the South Pacific glacial carbon pool (2016)
Ronge, Thomas; Tiedemann, Ralf; Lamy, Frank; Köhler, Peter; Alloway, B. V.; De Pol-Holz, R.; Pahnke, Katharina; Southon, John; Wacker, Lukas
hdl: 10013/epic.47845


Conference Item
On the role of volcanic CO2 outgassing in the global carbon cycle on orbital time scales: two case studies from the last glacial cycle (2016)
Köhler, Peter; Hasenclever, J.; Knorr, Gregor; Ronge, Thomas; Rüpke, L.; Tiedemann, Ralf
hdl: 10013/epic.47390


Article
Surface nitrate utilization in the Bering sea since 180 kA BP: Insight from sedimentary nitrogen isotopes (2016)
Riethdorf, Jan-Rainer; Thibodeau, Benoit; Ikehara, Minoru; Nürnberg, Dirk; Max, Lars; Tiedemann, Ralf; Yokoyama, Yusuke
hdl: 10013/epic.47832


Article
Geowissenschaftliche Polarforschung in Deutschland – globale Bedeutung und Perspektiven – (2015)
Melles, Martin; Diekmann, Bernhard; Estrada, Solveig; Gaedicke, Christoph; Gohl, Karsten; Jokat, Wilfried; Lembke-Jene, Lester; Läufer, Andreas; Lisker, Frank; Piepjohn, Karsten; Scheinert, Mirko; Schirrmeister, Lutz; Stein, Rüdiger; Tessensohn, Franz; Ti
hdl: 10013/epic.47368


Conference Item
The joint impact of ocean circulation and plate tectonics on the glacial South Pacific carbon pool (2015)
Ronge, Thomas; Köhler, Peter; Tiedemann, Ralf; Lamy, Frank; Alloway, Brent V.; de Pol-Holz, Ricardo; Pahnke, Katharina; Southon, John; Wacker, Lukas
hdl: 10013/epic.46571


Latest Datasets


Benthic foraminifera stable isotope data from the South Pacific sediment cores PS75/059-2 and PS75/056-1 (2016)
Ullermann, Johannes; Lamy, Frank; Tiedemann, Ralf


Stable isotopes measured on Cibicidoides spp. of sediment core PS75/059-2 (2016)
Ullermann, Johannes; Lamy, Frank; Tiedemann, Ralf


Stable isotopes measured on Cibicidoides kullenbergi of sediment core PS75/056-1 (2016)
Ullermann, Johannes; Lamy, Frank; Tiedemann, Ralf


TOC, TN, and sedimentary d15N and d13C ratios of sediment core SO201-2-85 (2016)
Riethdorf, Jan-Rainer; Thibodeau, Benoit; Ikehara, Minoru; Nürnberg, Dirk; Max, Lars; Tiedemann, Ralf; Yokoyama, Yusuke


Mean major element composition of glass shards from sediment core SO213-79-2 (2016)
Ronge, Thomas A; Tiedemann, Ralf; Lamy, Frank; Köhler, Peter; Alloway, Brent V; De Pol-Holz, Ricardo; Pahnke, Katharina; Southon, John; Wacker, Lukas