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Sea ice core for measuring available light

Gloved hand holding a 30 cm ice core outside in Antartica.

Ice cores provide a wealth of information. The thickness of ice impacts how much light gets through to phytoplankton. Some species require high levels of light while others thrive with less.

Glossary

Rights: Dianne Christenson 
Published: 22 October 2025Size: 1.2 MB
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