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.
The term  coastal zone  is a region where interaction of the sea and land processes occurs. Both the terms coast and coastal are often used to describe a geographic location or region; for example, New Zealand's West Coast, or the East and West Coasts of the United States. coastline or a seashore is the area where land meets the sea or ocean, or a line that forms the boundary between the land and the ocean or a lake.