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Lamont–Doherty Earth Observatory
The Lamont–Doherty Earth Observatory (LDEO) is a research unit of Columbia University located on a campus in Palisades, N.Y., north of Manhattan on the Hudson River.
== History ==
The Lamont–Doherty Earth Observatory (LDEO) was established in 1949 as the Lamont Geological Observatory on the weekend estate of Thomas W. and Florence Haskell Corliss Lamont, which was donated to the university for that purpose.〔(LDEO History )〕 The Observatory’s founder and first director was Maurice "Doc" Ewing, a seismologist who is credited with advancing efforts to study the solid earth, particularly in areas related to using sound waves to image rock and sediments beneath the ocean floor.〔(Marine Geology History )〕 He was also the first to collect sediment core samples from the bottom of the ocean,〔R. L. Bond, "A Core a Day Keeps 'Doc' Happy," L. Lippsett, (ed.), ''Lamont–Doherty Earth Observatory: Twelve Perspectives on the First Fifty Years (1949–1999)'', (Columbia Univ. Press: New York, 1999), 75–84; available at http://www.ldeo.columbia.edu/res/fac/CORE_REPOSITORY/RHP5d.html.〕 a common practice today that helps scientists study changes in the planet's climate and the ocean's thermohaline circulation.
In 1969, the Observatory was renamed Lamont–Doherty in honor of a major gift from the Henry L. and Grace Doherty Charitable Foundation; in 1993, it was renamed the Lamont–Doherty Earth Observatory in recognition of its expertise in the broad range of earth sciences. Today, it is a major research component of the Earth Institute at Columbia University, a collection of academic and research units within the university that together address complex environmental issues facing the planet and its inhabitants, with particular focus on advancing scientific research to support sustainable development and the needs of the world's poor.〔(The Earth Institute )〕
To support its research and the work of the broader scientific community, Lamont–Doherty operates the research vessel, the R/V ''Marcus Langseth'', which is equipped to undertake a wide range of geological, seismological, oceanographic and biological studies. Lamont–Doherty also houses the world's largest collection of deep-sea and ocean-sediment cores as well as many specialized research laboratories.
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