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Term: International Geophysical Year - IGY Class:  
 vernacular   (0%)
Created 6 June 2017
Last modified 6 June 2017
Contributed by GCW Glossary

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Definition: Period (1 July 1957 - 31 December 1958), fixed by the International Union of Geodesy and Geophysics, during which an extensive programme of geophysical observations was carried out over a worldwide network of stations.  WMOMeteoterm 

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