Satellites

Sea Levels on the Move

Through the use of satellites and land survey tools, scientists are learning about the effects of climate change on our ocean. By combining data regarding sea level and land elevation, they can see how...

Taking the Ocean’s Temperature

A fleet of underwater floats called Argo is deployed at more than 3,000 spots around the world. The floats transmit information about water temperature, salinity, and pressure which scientists use to understand trends in...

Humpback Whales in Antarctica: What Are the Whales Doing?

A humpback whale breaching in Antarctic waters. Credit: Ari Friedlaender Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions...

Bite Size: Bull Shark Predation of Tarpon

Follow a journey with satellite tags placed on bull sharks and tarpon. Both of these large predatory fish are found in coastal in-shore ecosystems and the two species have similar diets. If given the...
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.

Sea Level Rise

The ocean never stops moving. When you visit the beach, waves roll in and recede and the tides rise and fall. These are small daily changes that balance out over time. But over the...
Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico

Tagging and Tracking Animals Underwater

“Manta rays sometimes approach divers; an up-close encounter with such a huge, peaceful animal is unforgettable!” -- Nature's Best photographer, Deborah Smrekar. Equipment Used to Capture the Shot: Nikon D70; 12-24mm; 1/100 sec at...