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Francisco Hudson Cárdenas (Curaco de Vélez, Chile, July 1, 1826 – March, 1859) was a Chilean naval officer and hydrographer notable for his explorations of Southern Chile and Chilean Patagonia. Hudson sailed on behalf of the Chilean government several times to Peru and Ecuador, but gained notoriety for his explorations and investigations of Maullín River, Roca Remolino and the channels of Aysén Region. Hudson was the first to infer the possible existence of sailing route through internal waters from Chiloé Archipelago to Straits of Magellan, but was also the first to realize that only the Isthmus of Ofqui made this impossible. However his hydrographic works laid the groundwork for Hans Steffen's exploration of Aysén Region in late 19th century. ==Biography== Hudson was born in the town of Curaco de Vélez in Quinchao Island of Chiloé Archipelago to the couple Santiago (possibly a translation of "James") Hudson and Juana Cárdenas. Hudson studied at the Maritime School of Ancud (Escuela Naútica de Ancud), afterwards he was transferred to the frigate ''Chile'' where Roberto Simpson was in command. He later explored Maullín River with Francisco Vidal Gormaz but did however not reach Llanquihue Lake, its birthplace. Hudson and Vidal Gormaz reached only to a point he observed "three cascades" in the river. Gormaz proposed to clean the river from trunks to use it for transport of wood in benefit of the German settlers that had already settled in the shores of Llanquihue Lake. Hudson tried later unsuccessfully to reach the "three cascades" starting from Llanquihue Lake, and was preparing a new expedition when he was ordered instead to investigate Roca Remolino (lit. ''"whirl rock"''), a dangerous underwater rock in Chacao Channel. After having read ''"Sailing Directions for South America"'' by Robert FitzRoy Francisco Hudson realized the possibility of the existence of a route that would allow traffic through the channels of Patagonia without the need of sailing through the open sea at Tres Montes Peninsula. Sailing at the open sea in the roaring 40s was dangerous and finding such route would significantly improve the traffic between the Chilean settlement of Punta Arenas in the Straits of Magellan on one hand and Chiloé and Central Chile on the other. In 1857 he is sent to explore the possible inner passage he had inferred from Fitz Roy's writings. He sailed of Ancud with the brigantine ''Janaqueo'' and the sloop-of-war ''Emprendedora'' but had to sent back ''Janaqueo'' due to its bad maintenance after many years of service. The expedition sailed thought Moraleda Channel to San Rafael Lagoon where they explored by foot the Isthmus of Ofqui without finding any passage to the San Quintín Bay of Gulf of Penas. After this expedition he mapped Dalcahue Channel near his hometown and explored once again Maullín River with Vidal Gormaz. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Francisco Hudson」の詳細全文を読む スポンサード リンク
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