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Trawling for copepods

During the Catlin Arctic Survey, Dr Ceri Lewis was interested in how copepods, a type of plankton, might be affected by ocean acidification, a change in ocean chemistry caused by increased carbon dioxide in the atmosphere. But getting the copepods for her experiment was quite a laborious task, especially at temperature down to minus 40 degrees. This gallery shows the technique for collecting copepod samples in the Arctic.

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Frozen Oceans Geography 14 16 Thumb

Geography | Ages 14 - 16

Frozen Oceans

This Frozen Oceans education resource includes two data case studies that introduce students to ocean acidification and sea ice thickness. The core of each case study is a data set from real expeditions.

Frozen Oceans Science 14 16 Thumb

Science | Ages 14 - 16

Frozen Oceans

This Frozen Oceans unit outlines the research carried out by the Catlin Arctic Surveys and can be used in teaching the carbon cycle, ocean acidification and its impact on the Arctic ecosystem.

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