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Archival film of early polar expeditions (Scott and Shackleton) is followed by scientists in Antarctica at work on the modern research vessel Polarstern, and on ice station '0', an Arctic island of... drifting ice. Ice information, ice cover and the seasonal (rather than diurnal) influence of light on a wide variety of organisms are described and illustrated for both polar regions, with especial reference to krill and migrating animals such as polar bears and whales. The important influence of cold water masses at the poles on world climate (as sinks for carbon dioxide and heat) is emphasised. Finally, we consider how the 'greenhouse effect' may alter the economic and strategic role of the polar oceans.
Metadata describing this Open University video programme
Module code and title: S330, Oceanography
Item code: S330; 07
First transmission date: 23-09-1989
Published: 1989
Rights Statement: Rights owned or controlled by The Open University
Restrictions on use: This material can be used in accordance with The Open University conditions of use. A link to the conditions can be found at the bottom of all OUDA web pages.
Duration: 00:25:00
Note: Loan copy available on compilation video S330/3,4,5,6,7,8
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Producer: Tony Jolly
Contributors: P. Wadhams; John Wright
Publisher: BBC Open University
Keyword(s): Antarctica scientists; Expedition; Ice formation; Ice station O; Oceans; Polar regions; Polarstern vessel; Scott; Shackleton; ship
Subject terms: Antarctica; Oceanography--Research--Polar regions; Polar regions
Master spool number: HOU6306
Production number: FOUS576K
Videofinder number: 3235
Available to public: no