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
Response of the Tropical Atlantic Ocean-Atmosphere System to Deglacial Changes in Atlantic Meridional Overturning (2015)
Mulitza, Stefan; Chiessi, Cristiano M.; Lippold, Jörg; Lynch-Stieglitz, Jean; Mackensen, Andreas; Paul, André; Prange, M.; Ramos, Rodrigo Portilho; Cruz, Anna Paula S.; Schefuß, Enno; Schwenk, T.; Schulz, Michael; Tiedemann, Ralf; Voigt, Ines; Werner, Mar
hdl: 10013/epic.46372


Article
The seasonal sea-ice zone in the glacial Southern Ocean as a carbon sink (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf
hdl: 10013/epic.46090


Conference Item
Release of pre-aged terrestrial organic matter from the Amur watershed during deglacial permafrost thaw revealed by compound-specific 14C analysis (2015)
Mollenhauer, Gesine; Dummann, Wolf; Winterfeld, Maria; Hefter, Jens; Lembke-Jene, Lester; Tiedemann, Ralf
hdl: 10013/epic.46672


Article
Novel high-pressure culture experiments on deep-sea benthic foraminifera — Evidence for methane seepage-related δ13C of Cibicides wuellerstorfi (2015)
Wollenburg, Jutta E.; Raitzsch, Markus; Tiedemann, Ralf
hdl: 10013/epic.45798


Conference Item
Glacial/Interglacial changes of southwest Pacific intermediate- and deep-water circulation over the last 350,000 years (2015)
Ronge, Thomas; Tiedemann, Ralf; Prange, Matthias; Merkel, Ute; Kuhn, Gerhard; Lamy, Frank
hdl: 10013/epic.45389


Latest Datasets


The seasonal sea-ice zone in the glacial Southern Ocean as a carbon sink, supplementary datasets (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf


(Supplementary Table 10) Silicon isotope data from radiolarian opal of the >250 µm and 125-250?m fractions from core PS1768-8 (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf


(Supplementary Table 9) Oxygen isotope data from radiolarian opal of the >250 µm fraction from core PS1768-8 (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf


(Supplementary Table 8) Oxygen and silicon isotope data from diatom opal (10-40 µm fraction) in core PS1768-8 (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf


(Supplementary Table 6) Age pointers for PS1778-5 (2015)
Abelmann, Andrea; Gersonde, Rainer; Knorr, Gregor; Zhang, Xu; Chapligin, Bernhard; Maier, Edith; Esper, Oliver; Friedrichsen, Hans; Lohmann, Gerrit; Meyer, Hanno; Tiedemann, Ralf