R/V ''Marcus Langseth'' is a

research vessel A research vessel (RV or R/V) is a ship or boat designed, modified, or equipped to carry out research at sea. Research vessels carry out a number of roles. Some of these roles can be combined into a single vessel but others require a dedicated ...

owned by the National Science Foundation and operated by the

Lamont–Doherty Earth Observatory The Lamont–Doherty Earth Observatory (LDEO) is the scientific research center of the Columbia Climate School, and a unit of The Earth Institute at Columbia University. It focuses on climate and earth sciences and is located on a 189-acre (64 h ...

(LDEO) of

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...

as a part of the University-National Oceanographic Laboratory System (UNOLS) fleet. The ''Marcus G. Langseth'' was dedicated on December 4 2007, came into service in early 2008, replacing the R/V ''Maurice Ewing''. ''Langseth'' is intended primarily to collect multichannel seismic data, including 3-D surveys. The ship was purchased from the geophysical survey company

WesternGeco WesternGeco is a geophysical services company. It is headquartered in Schlumberger House on the property of London Gatwick Airport in Crawley, West Sussex, in Greater London. __NOTOC__ Background The company provides reservoir imaging, monitori ...

in 2004, having previously been named ''Western Legend''. The ''Marcus Langseth'' was named for Marcus G. Langseth, a Lamont scientist. In March 2009

Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...

authorities denied the vessel permission to pass between

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

and China. In August 2009, ''Marcus Langseth'' was named in a Canadian lawsuit seeking to halt its seismic tomography experiment. The lawsuit was dismissed, diplomatic clearance was issued and the ship sailed after a delay of a day.

References

External links

Lamont–Doherty Earth Observatory

Research vessels of the United States University-National Oceanographic Laboratory System research vessels 1991 ships Columbia University {{ship-stub