Sand spit deposition landform found off coast. spits grow, salt marsh develop as water being sheltered. Form where longshore current slow. Slow current deposition of sand and gravel at downcurrent of headland. Curled cause by wave refraction. Spurn point
Bay mouth bar sand spit attach to headland. adjacent to bay. protect the bay.Inlet Narrow body of water. At sea coast connection between bay and ocean. Bay mouth bar
Beach and baymouth bar at the mouth of the Russian River at Jenner
Barrier island Sand bar exposed and parallel to shoreline. Sediment accumulate on submerged rise. develop most easily on wave dominated coasts with a small to moderate tidal range. Migrate toward land as sea level rise. Severe storm generate intense waves erode barrier island.
Lagoon Long, shallow body of water separated from large body of water. Isolated from ocean by barrier island or reefs. Become island high land of coastal dunes. Sea level increase island & lagoon increase toward land. Garabogaz – Gol lagoon in Turkmenistan
Sea island Firm central core. Part of mainland when sea level decrease. Sea level increase surround with beach. Tombolo sediment accumulate from bridge between sea island and mainland. Kelambu beach, Kudat Sabah
Drumlin and moraines Form by melting glacier. The Bride Hills (terminal moraine), Europe.
Deltas Deposition of sediment found at river mouth. Broad continental shelf present as a platform Condition : -river transporting a large amount of sediment. -sea have a small tidal range and weak currents. -shallow at the river mouth. Shape represent balance between erosion and deposition.
TYPE OF DELTARiver-dominated Wave- dominatedStrong flow of fresh Smaller than river Tide-dominatedwater and continental dominated and tide Tidal current moresediment. dominated. strong than fresh water.Protect marginal Sooth shoreline. Sediment form longseas. Have one main exit island parallel to waterWell develop of channel. flow.distribution cause splitend of river.