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R/V ''Marcus Langseth'' is research vessel owned by the National Science Foundation and operated by the Lamont-Doherty Earth Observatory (LDEO) of Columbia University as a part of the University-National Oceanographic Laboratory System (UNOLS) fleet.〔 (mirror ) 〕〔 (mirror ) 〕 The ''Marcus G. Langseth'' was dedicated on December 4 2007, came into service in early 2008, replacing the ''R/V Maurice Ewing''.〔 (mirror ) 〕 ''Langseth'' is intended primarily to collect multichannel seismic data, including 3-D surveys. The ship was purchased from the geophysical survey company WesternGeco in 2004, having previously been named ''M/V Western Legend''. The ''Marcus Langseth'' was named for Marcus G. Langseth, a Lamont scientist. In March 2009 Chinese authorities denied the vessel permission to pass between Taiwan and China.〔 (mirror ) 〕 In August 2009, ''Marcus Langseth'' was named in a Canadian lawsuit seeking to halt its seismic tomography experiment.〔 (mirror ) 〕 The lawsuit was dismissed, diplomatic clearance was issued and the ship sailed after a delay of a day.〔 (mirror ) 〕〔 (mirror ) 〕 ==References== 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「RV Marcus Langseth」の詳細全文を読む スポンサード リンク
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