Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Markus Oehlerich"'
Autor:
Melanie Kaliwoda, Christoph Mayr, Lurdes Fernández-Díaz, José Manuel Astilleros, Markus Oehlerich, Nuria Sánchez-Pastor, Wolfgang W. Schmahl
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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Ikaite (CaCO3·6H2O) is a metastable phase that crystallizes in nature from alkaline waters with high phosphate concentrations at temperatures close to 0 °C. This mineral transforms into anhydrous calcium carbonate polymorphs when temperatures rise
Publikováno v:
Journal of Paleolimnology. 52:349-366
During the lake deep drilling campaign PASADO in 2008, more than 500 m of lacustrine sediment was recovered from the maar lake Laguna Potrok Aike, Argentina. The major element composition was assessed at high resolution with an ITRAX X-ray fluorescen
Autor:
Markus Oehlerich, Guillaume St-Onge, Michael Wille, Christoph Mayr, Torsten Haberzettl, Julieta Massaferro, Hugo Corbella, A. Lücke, Nora I. Maidana, Cecilia Laprida, Christian Ohlendorf, Bernd Zolitschka, Frank Schäbitz, Michael Fey, J. Ramón Mercau
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 411:229-248
Hydrological changes that occurred during the last 4700 years have been reconstructed using multi-proxy analyses of sediment cores from the volcanic crater lake of Laguna Cháltel (50°S, 71°W). The chronology is based on AMS 14C age modeling constr
Autor:
Torsten Haberzettl, Michael Wille, Frank Schäbitz, Christoph Mayr, Bernd Zolitschka, Sebastian Wagner, Holger Wissel, Andreas Lücke, Markus Oehlerich, J. Zhu, Christian Ohlendorf
Publikováno v:
Geology. 41:831-834
The causes for the rise of atmospheric CO 2 during the last deglaciation are complex and remain a matter of controversial scientific discussion. One hypothesis explains this phenomenon with CO 2 release from the deep ocean. A change in atmosphere-oce
Publikováno v:
Rapid Communications in Mass Spectrometry. 27:707-712
RATIONALE Stable isotope ratio (δ13C, δ18O values) analyses of carbonates can be biased by CO2 release from organic impurities. This is most critical for carbonate isotope analyses from bulk sediments containing comparably high amounts of organic m
Publikováno v:
Rapid communications in mass spectrometry : RCM. 27(6)
Stable isotope ratio (δ(13)C, δ(18)O values) analyses of carbonates can be biased by CO(2) release from organic impurities. This is most critical for carbonate isotope analyses from bulk sediments containing comparably high amounts of organic matte