landforms created by deposition

Question 1

SPIT

Answer 1

• long stretch of sand
• one end joined to mainland, other projecting out to sea or extending partway across a river estuary
• sediment carried along coast by longshore drift
• sheltered bay where coastline changes=constructive waves have less energy and deposit material
• process continues and accumulation of sand/shingle develop
• wind/currents curve end of spit
• salt marsh develops behind

Question 2

TOMBOLOS

Answer 2

beach that extends outwards to join with off-shore island e.g Chesil Beach

Question 3

BARS

Answer 3

-if a spit develops in a bay which no major river flows, may be able to build across bay=BAR LINKS 2HEADLANDS
-traps water in lagoons on landward side e.gDEVON
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Question 4

BARRIER ISLANDS

Answer 4

series of sandy islands detached but running almost parallel to mainland=tidal lagoon. common in GULF OF MEXICO