New York Flashcards
Land subsidence
3/4 inches per year
But crustal rebound - 20000 years of ice melted
SLR
1 ft
Thermal expansion + land based ice melting
28 inches by 2100
Groundwater
High groundwater extraction
Increases land subsidence
Buildings
NY has tallest buildings and bridges in world
Soft sediment compacted
NY Bight
Coastline curve funnels water into L-shaped coastline
Long Island
Has shallow water surrounding
Deeper tidal surge
Hurricane Sandy
90mph winds + 14ft floods
53 killed + $32bn damage
Hurricane Sandy effects
4000ft of Brooklyn Battery Tunnel + subways flooded
Emergency services substations flooded - cut off power to hospital + finance district
NY Stock Exchange closed + hospitals without power