Pagecontent:
Dr. Thomas Frederichs
Name: | Dr. Thomas Frederichs | |
|---|---|---|
Department: | Marine Geophysics | |
Job: | Supervisor of rock and paleomagnetic laboratory, research associate | |
Room: | ||
Phone: | +49 421 218 - 65326 | |
Fax: | +49 421 218 - 65339 | |
E-Mail: |
|
Research interests
- Rock and paleomagnetic studies on marine sediments
- Terrigenous input into the ocean
- Paleoclimate of polar seas
- Development and advancement of instruments and software related to marine research
Curriculum vitae
| Since 1998 | Lab supervisor at Department of Geosciences of University of Bremen |
| 1996 - 1998 | Research associate at University of Bremen (Special Research Project 261) |
| 1994 - 1996 | Research associate at University of Bremen (BMBF 1399) |
| 1994 | Ph.D. Thesis at University of Bremen: "Regional and temporal variations of rock magnetic parameters in Arctic marine sediments" |
| 1990 - 1994 | Post-graduate study at University of Bremen |
| 1990 | Diploma at Ludwig Maximilians University of Munich |
| 1983 - 1990 | Study of Geophysics at Ludwig Maximilians University of Munich |
Field experience
| 2011 | 1 week cruise Al382 on RV Alkor to the Baltic Sea |
| 2011 | 2 weeks cruise M84/4b on RV Meteor to the Northwestern Iberian Shelf |
| 2010 | 1 week cruise Al363 on RV Alkor to the Baltic Sea |
| 2009 | 1 week cruise Al347 on RV Alkor to the Baltic Sea |
| 2009 | 7 weeks cruise SO202 on RV SONNE to the North Pacific and the Bering Sea |
| 2008 | 1 week cruise Al327 on RV ALKOR to the Baltic Sea |
| 2007 | 2 weeks cruise MSM04_4a on RV MS MERIAN to the North Atlantic |
| 2006 | 1 week cruise Al308 on RV ALKOR to the Baltic Sea |
| 2006 | 2 weeks cruise P342 on RV POSEIDON to the Northwestern Iberian Shelf |
| 2005 | 1 week cruise Al269 on RV ALKOR to the Baltic Sea |
| 2003 | 2 weeks cruise M58/2a on RV METEOR to the North Atlantic |
| 2003 | 3 weeks cruise M57/1 on RV METEOR to the South Atlantic |
| 2000 | 4 weeks cruise M46/3 on RV METEOR to the South Atlantic |
| 1998 | 4 weeks cruise M41/3 on RV METEOR to the South Atlantic |
| 1997 | 4 weeks cruise M38/2 on RV METEOR to the South Atlantic |
| 1996 | 4 weeks cruise M34/4 on RV METEOR to the South Atlantic |
| 1996 | 4 weeks cruise M34/1 on RV METEOR to the South Atlantic |
| 1991 | 10 weeks cruise ARK VIII/3 on RV POLARSTERN to the Central Arctic Ocean |
Publications
Itambi, A.C., von Dobeneck, T., Dekkers, M.J., Frederichs, T. (2010): Magnetic mineral inventory of equatorial Atlantic Ocean marine sediments off Senegal—glacial and interglacial contrast. Geophy. J. Int., 183,1, 163–177, DOI: 10.1111/j.1365-246X.2010.04736.x
Mohamed, K.J., Rey, D., Rubio, B., Vilas, F., Frederichs, T. (2010): Interplay between detrital and diagenetic processes since the last glacial maximum on the northwest Iberian continental shelf. Quat. Res., 73, 3, 507-520, doi:10.1016/j.yqres.2010.02.003
Hepp, D.A., Mörz, T., Hensen, C., Frederichs, T., Kasten, S., Riedinger, N., Hay, W.W. (2009): A late micocene-early Plicocene Antarctic deepwater record of repeated iron reduction events. Marine Geology, in press
Hillenbrand, C.D., Kuhn, G., Frederichs, T. (2009): Record of a Mid-Pleistocene depositional anomaly in West Antarctic continental
margin sediments: An indicator for ice-sheet collapse? Quat. Sci. Rev. 28, 1147–1159, doi:10.1016/j.quascirev.2008.12.010
Lekens, W.A.H., Hafliadson, H., Sejrup, H.P., Nygard, A., Richter, T., Vogt,C., Frederichs, T. (2009): Sedimentation history of the North Sea Margin during the last 150 ka. Quat. Sci.. Rev., 28, 469-483, doi: 10.1016/j.quascirev.2008.11.010
Rey, D., Müller, H., Rubio, B., von Dobeneck, T., Vilas, F., Hilgenfeldt, C., Bernabeu, A., Frederichs, T., Fernandez, S., Mohamed, K.J. y Grupo GEOMA (2008): Using electromagnetic sensors to estimate physical properties and environmental quality of surface sediments in the marine environment. Preliminary results. Geotemas, 10, 652-654 (RCOM0565)
Franke, C., Frederichs, T. & M.J. Dekkers (2007): Efficiency of heavy liquid separation to concentrate magnetic particles, Geophys. J. Int., 170 (3), 1053-1066, doi: 10.1111/j.1365-246X.2007.03489.x (RCOM0504)
Knies, J., Matthiessen, J., Mackensen, A., Stein, R., Vogt, C., Frederichs, T. & N. Seung-II (2007): Effects of Arctic freshwater forcing on thermohaline circulation during the Pleistocene. Geology, 35, no. 12, 1075–1078; doi: 10.1130/G23966A.1
Horak, D., Petrovsky, E., Kapicka, A. & T. Frederichs (2006): Synthesis and characterization of magnetic poly(glycidyl methacrylate) microspheres. J. Magnet. Magnet. Mat., doi:10.1016/j.jmmm.2006.08.006
Jackson P.D., Lovell, M.A., Roberts, J.A., Schultheiss, P.J., Gunn, D., Flint, R.C., Wood, A., Holmes, R. & T. Frederichs (2006): Rapid non-contacting resistivity logging of core. In: Rothwell, R.G. (Ed), New techniques in sediment core analysis, Geological Society of London Special Publication, 267. pp. 209-217
Kosterov, A., Frederichs, T. & T. von Dobeneck (2006): Low-temperature magnetic properties of rhodochrosite (MnCO3). Phys. Earth Planet. Int., 154, 3-4, 234-242, doi:10.1016/j.pepi.2005.09.011
Millo, C., Sarnthein, M., Erlenkeuser, H. & T. Frederichs (2005): Methane-driven late Pleistocene d13C minima and overflow reversals in the southwestern Greenland Sea. Geology, 33(11), 873-876, doi: 10.1130/G21790.1
Pan, Y., Petersen, N., Winklhofer, M., Davila, A.F., Liu, Q., Frederichs, T., Hanzlik, M. & R. Zhu (2005). Rock magnetic properties of uncultured magnetotactic bacteria. Earth Planet. Sci. Lett.,237(3-4), 311-325, doi:10.1016/j.epsl.2005.06.029
Frederichs, T., von Dobeneck, T., Bleil, U. & M. Dekkers (2003): Towards the identification of siderite, rhodochrosite, and vivianite in sediments by their low-temperature magnetic properties. Phys. Chem. Earth, 28, 669 – 679, doi:10.1016/S1474-7065(03)00121-9, RCOM Nr. 0088
Sagnotti, L., Rochette, P., Jackson, M., Vadeboin, F., Dinares Turell, J., Winkler, A., Maher, B., Moreno, E., Hanesch, M., Scholger, R., Jude, R., Shaw, J., McIntosh, G., Osete, M.L., Matzka, J., Petersen, N., Larrasoana, J.C., O' Reagan, M., Roberts, A.P., Mullender, T., Peters, C., Mohamed, K.J., Rey, D., Hannam, J., Heller, F., Frederichs, T. & U. Bleil (2003): Inter-laboratory calibration of low-field magnetic and anhysteretic susceptibility measurements. Phys. Earth Planet,-Int., 138(1), 25-38, doi:10.1016/S0031-9201(03)00063-3
Hillenbrand, C-D., Fütterer, D.K., Grobe, H. and T. Frederichs (2002): No evidence for a Pleistocene collapse of the West Antarctic Ice Sheet from continental margin sediments recovered in the Amundsen Sea. Geo-Mar. Lett., 22, 51 - 59, doi:10.1007/s00367-002-0097-7
Nowaczyk, N.R., Frederichs, T.W., Kassens. H., Noorgaard-Pedersen, N., Spielhagen, R.F., Stein, R. and D. Weiel (2001): Sedimentation rates in the Makarov Basin, Central Arctic Ocean: A paleomagnetic and rock magnetic approach. Paleoceanography, 16(4), 368 - 389
Frederichs, T., Hilgenfeldt, C. & K. Fabian (2000): A modified version of the 2G Cryogenic Magnetometer. Terra Nostra, 2000/10, 41 - 43
Links
SD2 - External forcing and self-organization of clastic shelf systems
INTERCOAST – ‘Integrated Coastal Zone and Shelf-Sea Research
Marine Geophysics Section at University of Bremen