989 resultados para 121-758


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The magnitudes of the largest known floods of the River Rhine in Basel since 1268 were assessed using a hydraulic model drawing on a set of pre-instrumental evidence and daily hydrological measurements from 1808. The pre-instrumental evidence, consisting of flood marks and documentary data describing extreme events with the customary reference to specific landmarks, was “calibrated” by comparing it with the instrumental series for the overlapping period between the two categories of evidence (1808–1900). Summer (JJA) floods were particularly frequent in the century between 1651–1750, when precipitation was also high. Severe winter (DJF) floods have not occurred since the late 19th century despite a significant increase in winter precipitation. Six catastrophic events involving a runoff greater than 6000 m 3 s-1 are documented prior to 1700. They were initiated by spells of torrential rainfall of up to 72 h (1480 event) and preceded by long periods of substantial precipitation that saturated the soils, and/or by abundant snowmelt. All except two (1999 and 2007) of the 43 identified severe events (SEs: defined as having runoff > 5000 and < 6000 m 3 s -1) occurred prior to 1877. Not a single SE is documented from 1877 to 1998. The intermediate 121-year-long “flood disaster gap” is unique over the period since 1268. The effect of river regulations (1714 for the River Kander; 1877 for the River Aare) and the building of reservoirs in the 20th century upon peak runoff were investigated using a one-dimensional hydraulic flood-routing model. Results show that anthropogenic effects only partially account for the “flood disaster gap” suggesting that variations in climate should also be taken into account in explaining these features.

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Vorbesitzer: Abraham Merzbacher

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Vorbesitzer: Bartholomaeusstift Frankfurt am Main

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Welsch (Projektbearbeiter): Zurückweisung der irrigen Auffassung, der Paragraph 51 der vom Frankfurter Gewerbekongreß beschlossenen Gewerbeordnung bedeute, daß auf dem Lande nur Wagner und Schmiede ihr Handwerk ausüben dürften. Plädoyer im Interesse der Stadthandwerker gegen die uneingeschränkt freie Ausübung städtischer Gewerbe durch Landbewohner. Replik des Kasselaner Schreinermeisters Eckell auf einen Beitrag in der Beilage zu Nr. 121 (1848) der 'Neuen Hessischen Zeitung'

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Die im Katalog angegebene Blattzahl weicht von der vorhandenen ab, da die Blätter 101, 286 - 288 und 333 bei der Foliierung ausgelassen wurden.

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Dolorosa

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Vorbesitzer: Dominikanerkloster Frankfurt am Main

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u.a. Reise nach Weimar; Kur; Hinrich Burghart Abegg; Frage nach der Generalvollmacht in den Erbschaftsangelegenheiten; Ankündigung der Testamentsaufsetzung; Übertragung des Generalerbens an Arthur Schopenhauer; Testament Arthur Schopenhauer;

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Dank für die Übersendung eines Autographs