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Physically, the berm is a 2 m (6 ft 7 in) high wall (with a backing trench), which rides along a topographical high point/ridge/hill throughout the territory. Spaced out over every 5 km (3.1 mi) are big, small and medium bases, with approximately 35–40 troops at each observation post and groups of 10 soldiers spaced out over the distance as well.
The berm is the relatively planar [clarification needed] part of the swash zone where the accumulation of sediment occurs at the landward farthest of swash motion (Figure 2). The berm protects the backbeach and coastal dunes from waves but erosion can occur under high energy conditions such as storms. The berm is more easily defined on gravel ...
A conventional riprap revetment or seawall was deemed incompatible with this natural park setting, so the decision was made to construct a cobble berm that resembled the appearance and function of a natural cobble beach, backed by an artificial foredune that was reinforced by a core of sand-filled geotextile bags.
Deposition from overwash (washover) can be deposited onto the beach berm, the dune, or as far as the back barrier bay, marsh, estuary, or lagoon. Sediment deposits created during overwash exhibit consistent scaling — for example, the distance inland that an overwash deposit extends is proportional to the area that the overwash deposit covers. [4]
The removal of sediment from the beach berm and dune thus decreases the beach profile. If storms coincide with unusually high tides, or with a freak wave event such as a tidal surge or tsunami which causes significant coastal flooding, substantial quantities of material may be eroded from the coastal plain or dunes behind the berm by receding ...
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Shoreline indicators may be morphological features such as the berm crest, scarp edge, vegetation line, dune toe, dune crest and cliff or the bluff crest and toe. Alternatively, non-morphological features may be used such as water level (high water line (HWL), mean high water line) wet/dry boundary and the physical water line. [ 30 ]
Dune II: The Building of a Dynasty, later retitled Dune II: Battle for Arrakis for the European release and the Mega Drive/Genesis port, was released in December 1992 from Westwood Studios/Virgin Interactive. [9] [10] Often considered to be the first "mainstream modern real-time strategy game", Dune II established many conventions of the genre. [9]