Skip to content
For WHOI personnel, vendors, and visitors: COVID-19 Guidelines


Polar Poppers

Polar Poppers

April 12, 2006

These torpedo-shaped instruments, called polar profiling floats, drift nose-up at various depths through the Arctic Ocean while measuring water temperature and salinity. The floats are programmed to rise to the surface periodically and send data via satellite to scientists on shore.(Photo by Peter Winsor, Woods Hole Oceanographic Institution)

Image and Visual Licensing

WHOI copyright digital assets (stills and video) contained on this website can be licensed for non-commercial use upon request and approval. Please contact WHOI Digital Assets at or (508) 289-2647.