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Bering Sea Circulation

Bering Sea Circulation. By : Ariel Martinez With help from Seth Danielson. Why is this project important?.

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Bering Sea Circulation

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  1. Bering Sea Circulation By : Ariel Martinez With help from Seth Danielson

  2. Why is this project important? The study of the Bering Sea circulation is important because humans rely on the Bering sea for food and many other resources. If we don’t know how the sea “Moves” than people wouldn’t know how to get those supplies out of the sea.

  3. What is physical Oceanography? In simple terms physical oceanography is how our ocean moves. The Scientists studying physical oceanography look at the different currents, waves, temperatures, and salinity (how much salt is in the water) of our oceans.

  4. So why do I care? The Bering Sea is also where America gets 50% of their ocean caught fish. Not only that but the sea is also the home for a lot whales, walruses, and seals. Climate change could ruin the lives of these animals. This is why it is important to study how the currents affect sea.

  5. How do they get their data? They use this machine, called a bottom-lander tripod current meter mooring , to record the currents every 30-60 minutes These are under the sea for an entire year before they are picked up and analyzed.

  6. How does the data get recorded? In this project there is two data collectors that are used to record data. One is the bottom-lander tripod current meter mooring, the other is called a drifter. The mooring info is picked up with the mooring after a year of being underwater. The drifter recordes every half hour to an hour. After that the data is sent to Seth’s computer once a day. Drifter

  7. What causes these currents? There are several things: • Gravity (caused by the moon) • Winds • The tilt of the Sea’s surface

  8. When do they drop the drifters and why? They drop them in the early months of summer. They are to see how these fish, juvenile (very small) salmon, make their way out of their rivers to the ocean.

  9. Why study the little fish? Well, these fish struggle to survive during the first little bit of their life in the ocean. The scientists study these fish because they can lead the scientists to understand how the water circulates near shore in the Bering sea.

  10. That is the Bering Sea project Just remember: • Humans rely heavily on the Bering Sea • Scientists use two data collecting devices to gather their data • The scientists drop the drifters to follow juvenile salmon when they migrate For more information go to: http://www.sfos.uaf.edu/people/research/danielson/

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