Scientists are using a small robot.
The robot is French. The robot measures sea water.
Previously, scientists used satellites and ships. These are expensive.
The robot is small and lightweight. It moves well.
The robot measures water temperature. It also measures salinity and oxygen.
The robot shows where oil is moving.
Scientists observed how the water moved.
The robot helps study the Irbe Strait.
The robot is good for nature. It does not harm the sea.
Scientists from Bulgaria, Turkey, and Japan are working together.