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A berm is a level space, shelf, or raised barrier (usually made of compacted soil) separating areas in a vertical way, especially partway up a long slope. It can serve as a terrace road, track, path, a fortification line , a border / separation barrier for navigation, good drainage, industry, or other purposes.
The Moroccan Western Sahara Wall or the Berm, also called the Moroccan sand wall (Arabic: الجدار الرملي, romanized: al-jidār ar-ramliyya, lit. 'sand wall'), is an approximately 2,700 km-long (1,700 mi) berm running south to north through Western Sahara and the southwestern portion of Morocco .
The Western Sahara Berm, also known as the Moroccan Wall, is an approximately 2,700 km-long defensive structure consisting primarily of sand running through Western Sahara and the southeastern portion of Morocco. It acts as a separation barrier between the Moroccan-controlled areas and the Polisario-controlled section of the territory (the SADR).
A berm is a nearly horizontal portion that stays dry except during extremely high tides and storms. The swash zone is alternately covered and exposed by wave run-up. The beach face is the sloping section below the berm that is exposed to the swash of the waves.
Coastal geography is the study of the constantly ... They do the opposite to destructive waves and increase the size of the beach by piling sediment up onto the berm.
Western Sahara [a] is a disputed territory in North-western Africa.It has a surface area of 272,000 square kilometres (105,000 sq mi). [3] Approximately 30% of the territory (82,500 km 2 (31,900 sq mi)) is controlled by the Sahrawi Arab Democratic Republic (SADR); the remaining 70% is occupied [4] [5] and administered by neighboring Morocco. [6]
Beach ridges on the north coast of Saaremaa, Estonia. Beach ridge, Lake Ontario, New York, 1895. Miocene beach ridges, San Diego County, California, 1905. Road built on crest of Glacial Lake Iroquois beach ridge, Orleans County, New York, 1889.
The revetment generally performed as intended, with storm erosion transporting the berm material to the toe where it can buffer and dissipate wave energy. However, due to project footprint constraints, the cobble berm was constructed with a narrow width at the western end where wave energy is highest.