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location
south isle of new zealand
bay opens up to tasman sea
has the farewell spit
factors that make it low energy
sheltered location behind headlands
shadow zone
shorter fetch
shallow seabed
mostly constructive waves
physical factors influencing landforms
coasts of soft sedimentary rock
Tanaka river fluvial sediment, coastal erosion, marine sediment transported by currents
sediment accumulates on beaches and spits
farewell spit info
35km long
LSD going east
has sand dunes, mudflats, salt marshes, wide sands beaches
long-term landscape changes
spit gradually extended
depositional landforms like dunes, salt marshes
medium-term landscape changes
summer - constructive waves make wider beaches
winter - storms remove sediment
short-term landscape changes
storms reshape beaches
strong wind moves sand across dunes
landscape system
rivers and erosion supply sediment
waves transport sediment along coast
LSD forms spit
sheltered areas behind spit make depositional landforms