*Takashi Toyofuku1,2, Yukiko Nagai1,3 (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.Tokyo University of Marine Science and Technology (TUMSAT), 3.National Museum of Nature and Science,Tokyo (NMNS))
B (Biogeosciences ) » B-PT Paleontology
[B-PT04] Biomineralization and Geochemistry of Proxies
convener:Takashi Toyofuku(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Jelle Bijma(Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung), Hiroshi Kitazato(Tokyo University of Marine Science and Technology (TUMSAT)), Kotaro Hirose(Faculty of Science and Engineering, Waseda University)
In order to reconstruct the Earth climate system, marine paleoclimatologists resort to transfer functions or geochemical proxies, which are produced or affected by organisms. The relationships used for reconstructions are generally based on field calibrations or derived from laboratory experiments. The danger of these so-called empirical relationships is that they may be valid only within the restricted parameter space of their calibration. Application of proxy relationships to very different environmental settings (e.g. high vs. low latitude or glacial vs. interglacial) requires a mechanistic understanding of these relationships. Much progress can be expected by a better understanding of the biomineralization mechanisms and the incorporation of proxy signals.
In this session we facilitate contributions related to the biomineralization, calibration and validation of marine proxies from field study, laboratory culture experiment and paleo-environmental reconstruction.
*Azumi Kuroyanagi1, Takashi Toyofuku2, Yukiko Nagai2, Katsunori Kimoto2, Hiroshi Nishi1, Reishi Takashima1, Hodaka Kawahata3 (1.The Center for Academic Resources and Archives, Tohoku University, 2.JAMSTEC, 3.Atmosphere and Ocean Research Institute, The university of Tokyo)
*Shunichi Kinoshita1, Azumi Kuroyanagi2, Hiroshi Nishi2, Osamu Sasaki2, Kazuhiko Fujita3, Atsushi Suzuki4, Hodaka Kawahata5 (1.Tohoku University, Graduate School of Science, 2.The Tohoku University Museum, 3.University of the Ryukyus, 4.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology, 5.the University of Tokyo)
*Kazuma Oikawa1, Hideko Takayanagi1, Ryuichi Shinjo2, Kazuyoshi Endo3, Masa-aki Yoshida4, Yasufumi Iryu1 (1.Institute of Geology and Paleontology Graduate School of Science Tohoku University, 2.Department of Physics and Earth Sciences, University of the Ryukyus, 3.Department of Earth and Planetary Science, Tokyo University, 4.Shimane University Faculty of Life and Environmental Science)