Beaches Some of the most Beautiful Beaches in the Worldlsjul
BEACHES
description
Transcript of BEACHES
BEACHES
By Tessie Koulis and Corey McKay
HOWS IT MADE?BEACHES
BEACHES ARE THE RESULT OF WAVE ACTION BY WHICH WAVES OR CURRENTS MOVE SAND OR OTHER LOOSE MATERIALS. BEACH MATERIALS COME FROM
EROSION OF ROCKS OFF-SHORE, ASWELL AS FROM HEADLAND EROSION.
A CORAL REEF IS A SIGNIFICANT SOURCE OF SAND PARTICLES.
Continued..A beach's shape depends on how the waves move. Some waves move material up the
beach, while others move it down the beach. On sandy beaches, the waves move sand away from the beach, making gentle slopes.
When the waves are not strong enough to move the sand away, the beach is steeper.
~~~~~~~~~~~~~~~~~~~~~~~~~~
Sand Dunes Sand dunes are an accumulation of sand
that’s been blown into place by wind. Most dunes are covered in a variety of costal plants, which helps stabilize the
dunes, however some remain bare.
Without costal plants, the dunes would not be able to remain stable. Sand is
blown onto already growing plants, which then grow up through the sand. The
complex root system of the plants act as a form of netting for the sand, keeping it in
place.
Types of Sand Different beaches have different types of sand
Lake Powell, Utah California Black Sand Cabo, Baja Mexico Sand
Green Sand, Gaum North Shore, Hawaii St. Martin, Caribbean Sand
Beach LifeSome organisms that live on a beach.
Crabs, insects, and birds feed on material left by the waves. Some small animals dig into the sand to get their food. Birds use beaches to nest,
and sea turtles lay their eggs on ocean beaches. Sea grasses and other beach plants grow on areas of the beach and dunes where there is not
much activity.
Fish CrabsSnails Anemones
ClamsMussels
Seagulls Small lizards
ANGUILLA BEACHCARIBBEAN
The End ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~