Bellwork Where is the largest trash pile in the world?

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Presentation transcript:

Bellwork Where is the largest trash pile in the world?

In the Pacific Ocean in Gyres The Great Pacific Gyre is the largest.

Texas

The Great Pacific Gyre

Can it be cleaned up? Not a chance

68 Ships working 10 hour days for 10 years would clean less than 1 percent of the current pile.

Tsunamis

“ I heard a shout, ‘Big wave!’ The streetlights around us exploded almost in the same instant. I looked up and saw a well known fishing boat coming up over the Hilo Bridge” -- Susan Maeda Veriato on the 1960 tsunami in Hilo

When a tsunami crosses the ocean its trough won’t be any higher than two feet. Tsunamis travel at speeds of 600 miles per hour or more. When it reaches the water of the coastline its speed decreases, and the wave becomes higher.

It is in the shallow waters that waves can reach over 100 feet high.

As the tsunami heads toward the shallow water the speed of the wave will decrease but the energy will stay the same and the wave grows bigger.

The water level will often rise to over 100 feet. This flood can travel far inland. When the water retreats all the damaged objects will get dragged back into the ocean.

Tsunami Art

Most Destructive recent Tsunamis

1964 Prince William Sound On March 28, 1964, an earthquake occurred in Prince William Sound of Alaska triggering a Pacific-wide tsunami. The tsunami was responsible for killing122 people and causing over $106 million in damage. In Alaska alone 106 people lost their lives and there was $84 million in damage. The Tsunami impaled a 2 x 12 inch plank of wood through a truck tire at Whittier, Alaska.

Which is worst- Regional or local tsunamis? Regional tsunami are very destructive but local tsunamis also cause significant damage. Local tsunamis are created by landslides, which are often started by earthquakes. With local tsunamis created by landslides, nearby cities are not given any warning of the oncoming waves.

What is the highest known tsunami? The highest tsunami on record occurred in Alaska and reached a height of over 1,700 ft.

1700 feet