= Nansen bottle
{wiki=Nansen_bottle}
A Nansen bottle is a specialized device used in oceanography to collect water samples from various depths in the ocean. Named after the Norwegian explorer Fridtjof Nansen, the bottle is designed to capture water without contamination and is essential for studying the physical, chemical, and biological properties of seawater. The typical Nansen bottle consists of a cylindrical container with a mechanism that allows it to be closed at both ends. When deployed from a ship, the bottle is lowered to the desired depth.
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