Dramatic Tide Exposes Sea Floor

Along coasts the water slowly rises up over the shore and then slowly falls back again.

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. 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. You can actually see the sea recede or flow back and low tides leave boats moored in mud flats when the water disappears.

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. The island is reached by shuttle boat during high tide or by driving across an exposed sandbar on the ocean floor at low tide. Over time these diverse habitats came to host an astounding array of animals and plants. When the water has risen to its highest level covering much of the shore it is at high tide when the water falls to its lowest level it is at low tide some lakes and rivers can also have tides.

A low tide also exposes colorful anemones urchins and. Reverend andrews s stone house and van horne s summer cottage are. So in these two provinces coastal roads are the way to go. The red sandstone and volcanic rock have been worn away to reveal fossils from over 300 million years ago.