The diagram shows the building of a spit by longshore drift across the mouth of a river ... The spit creates an area of calmer water, sheltered by the spit. A lagoon, salt marsh and finally ...

Polar motion, the movement of Earth's rotational axis relative to its crust, is influenced by changes in mass distribution across ... drift due to their geographical location and the volume of ...

Ocean currents - the North Atlantic Drift (or Gulf Stream) ocean current flows northwards across the Atlantic Ocean, bringing warm water from the Gulf of Mexico. This results in milder winter ...