Dramatic Tide Exposes Sea Floor

The regular rise and fall of the ocean s waters are known as tides.

Dramatic tide exposes sea floor. The effect of the world s highest tides on the bay s shores has created dramatic cliffs and awesome sea stacks. Thousands of years ago before humans settled around san francisco bay geologic forces were at work creating dramatic coastal mountains and deep sea floor ridges off the central california coast. Reverend andrews s stone house and van horne s summer cottage are. The island is reached by shuttle boat during high tide or by driving across an exposed sandbar on the ocean floor at low tide.

There are many parks and beaches. High tides could. Along coasts the water slowly rises up over the shore and then slowly falls back again. A low tide also exposes colorful anemones urchins and.

Over time these diverse habitats came to host an astounding array of animals and plants. You can actually see the sea recede or flow back and low tides leave boats moored in mud flats when the water disappears. This results in large areas of the ocean floor being exposed during low tide. By 2050 sea level rise will push average annual coastal floods higher than land now home to 300 million people according to a study published in nature communications.