988 resultados para 302-M0003A


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publié sous les auspices de l'Académie des Inscriptions et Belles-Lettres par Mayer Lambert et Louis Brandin

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83 Briefe und Beilagen zwischen Arthur Hübscher und Max Horkheimer, 1963-1973; 15 Briefe und Beilagen zwischen Bundesminister a. D. Ewald Bucher und Max Horkheimer, 1966-1971; 1 Brief und Beilage von Dr. Christoph Meyer an Max Horkheimer, 1969; 6 Briefe zwischen Dr. Johann Joeden und Max Horkheimer, 1966; 5 Briefe zwischen dem Oberregierungsrat Gustav Adolf Hünniger und Max Horkheimer, 1951-1953; 2 Briefe und eine Empfehlung und ein Gutachten von Edith Hünniger an Max Horkheimer, 1952-1953;

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u.a.: Recherche einer Goethe-Handschrift; Zweifel an der Handschrift Schopenhauers in der 1. Auflage der: "Ueber die vierfache Wurzel des Satzes vom zureichenden Grunde"; Kontaktaufnahme mit Professor für Philosophie Pol de Mont aus Antwerpen; Eduard Grisebach; Arthur Schopenhauer; Wilhelm Gwinner; Johann Karl Friedrich Rosenkranz;

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Besuch bei Stoltze, Zu einem Text

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Several episodes of abrupt and transient warming, each lasting between 50,000 and 200,000 years, punctuated the long-term warming during the Late Palaeocene and Early Eocene (58 to 51 Myr ago) epochs**1,2. These hyperthermal events, such as the Eocene Thermal Maximum 2 (ETM2) that took place about 53.5 Myr ago**2, are associated with rapid increases in atmospheric CO2 content. However, the impacts of most events are documented only locally**3,4. Here we show, on the basis of estimates from the TEX86' proxy, that sea surface temperatures rose by 3-5 °C in the Arctic Ocean during the ETM2. Dinoflagellate fossils demonstrate a concomitant freshening and eutrophication of surface waters, which resulted in euxinia in the photic zone. The presence of palm pollen implies**5 that coldest month mean temperatures over the Arctic land masses were no less than 8 °C, in contradiction of model simulations that suggest hyperthermal winter temperatures were below freezing**6. In light of our reconstructed temperature and hydrologic trends, we conclude that the temperature and hydrographic responses to abruptly increased atmospheric CO2 concentrations were similar for the ETM2 and the better-described Palaeocene-Eocene Thermal Maximum**7,8, 55.5 Myr ago.

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