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Multi-year Pressure Ridge Study

其他書名	Queen Elizabeth Islands
出版	NORCOR Engineering and Research Limited, 1976
URL	http://books.google.com.hk/books?id=t6_vjwEACAAJ&hl=&source=gbs_api

註釋"This report represents the findings of a field study conducted to obtain fundamental data on multi-year pressure ridges in the Queen Elizabeth Islands area. The program included a 2500 km (1560 mi) reconnaissance flight which provided photographic information on ice conditions needed to select the study location. The field study investigated the geometry and the sail/keel depths of 12 floating multi-year ridges. The base camp was situated in McLean Strait ... 8 km (5 mi) off Ellef Ringnes Island. During the period from May 11 to June 13, 1976, measurements were taken of ridges located within a 10 km (6.3 mi) radius of the base camp."--ASTIS [online] bibliography.