Article ID: CBB440573948

Cambridge radio sonobuoys and the seismic structure of oceanic crust (2020)

unapi

The Cambridge University Department of Geodesy and Geophysics pioneered the development of radio sonobuoys which could be used from a single ship to study the structure of the submarine crust. By contrast, contemporaneous marine seismic research, mainly in the USA, used more expensive techniques requiring the use of two ships. For nearly three decades from the early 1950s several generations of Cambridge sonobuoys were used as the primary tool to study the structure of the oceanic crust and the adjacent continental margins by seismic refraction methods, until superseded by ocean-bottom seismographs. An early result was to confirm the ubiquity across the world of relatively thin (compared with continental crust), probably volcanic, oceanic crust. This in turn underpinned the subsequent recognition of seafloor spreading and plate tectonics.

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https://data.isiscb.org/isis/citation/CBB440573948/

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Authors & Contributors
Laidla, Janet
Gherardelli, Monica
Orsini, Davide
Calamia, Mario
Zhao, Guanfeng
Zawad, Anna Karolina
Publishers
Brill
Concepts
Seismology
Scientific apparatus and instruments
Submarines
Earth sciences
Plate tectonics and continental drift
Geology
Time Periods
20th century, late
20th century, early
19th century
Han dynasty (China, 202 B.C.-220 A.D.)
Modern
Medieval
Places
Great Britain
Italy
Tartu (Estonia)
Pacific Ocean
United States
China
Institutions
Tartu Observatoorium
North Atlantic Treaty Organization (NATO)
Cambridge University
California Institute of Technology
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