USCIS permits you to apply for OPT after enrolling and completing a minimum of one full year of studies as a full-time student or 3 months before completion of course.
Coastal management is defense against flooding and erosion, and techniques that allow erosion to claim land.liff stabilization can be accomplished through drainage of excess rainwater of through terracing, planting, and wiring to hold cliffs in place. Cliff drainage is used to hold a cliff together using plants, fences and terracing, this is used to help prevent landslides and other localized damage.
Sea walls are a form of hard engineering coastal protection. A man made wall structures built on or near the shoreline with the purpose of absorbing storm wave energy to prote â¦ ct the land or an area of water behind the wall from erosion.However, a seawall may not protect a coast from erosion in the long run.ea walls work by acting as deflectors which help to break the force of incoming waves. The power of the waves is weakened before they make landfall and, by reducing the force â¦ of the sea in this way, sea walls help to protect the beaches, cliffs and harbours from erosion.