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Erdkunde – Archive for Scientific Geography is a quarterly peer-reviewed academic journal of geography published at the University of Bonn (Germany). Articles have been published in English since 2008. Since September 2016, the journal is available online and open access. All articles are available for free immediately and publication fees ...
The Gesellschaft für Erdkunde zu Berlin (Berlin Geographical Society) was founded in 1828 and is the second oldest geographical society. It was founded by some of the foremost geographers of its time. The founder Carl Ritter and the founding member Alexander von Humboldt can also be considered the founders of modern scientific geography.
A dry atmosphere is composed of 78.084% nitrogen, 20.946% oxygen, 0.934% argon, and trace amounts of carbon dioxide and other gaseous molecules. [212] Water vapor content varies between 0.01% and 4% [212] but averages about 1%. [3] Clouds cover around two-thirds of Earth's surface, more so over oceans than land. [213]
PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.
Malakozoologische Blätter was a German-language journal for malacology. It was published from 1854 to 1891 as a continuation of Zeitschrift für Malakozoologie (which was published 1844–1853). Karl Theodor Menke and Ludwig Karl Georg Pfeiffer were joint co-editors-in-chief, until Menke's death in 1861 after which Pfeiffer became sole editor ...
Carl Ritter was born in Quedlinburg, one of the six children of a doctor, F. W. Ritter.. Ritter's father died when he was two. At the age of five, he was enrolled in the Schnepfenthal Salzmann School, a school focused on the study of nature (apparently influenced by Jean-Jacques Rousseau's writings on children's education).
[1] Widely read by academics and laymen, Cosmos applies the ancient Greek view of the orderliness of the cosmos (the harmony of the universe) to the Earth, suggesting that universal laws apply as well to the apparent chaos of the terrestrial world and that contemplation of nature can yield an awareness of its wholeness and coherence. Humboldt ...