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IOP (Inherent Optical Properties) instrument emits colored lights before deployment for measuring marine light transmission during polar night; R/v Helmer Hanssen, Svalbard, Norway.
- Copyright
- Randall Hyman
- Image Size
- 1280x852 / 177.0KB
- www.randallhyman.com
- Contained in galleries
- 21: KONGSFJORD POLAR NIGHT SHIP

