Coastal Floods Flashcards
____% of people live near the ocean
80%
Salt water floods can happen on ________
Any coast
The flood risk is _____
Increasing
The Earth is coming out of an ______
Ice Age
As glaciers melt and add water to the ocean, sea level:
Rises around the world
____ mud erodes easily, especially when cut into for shipping channels
Delta
Most vulnerable to coastal flooding
Delta
Deltas also ____ and _____
Compact and Sink
Half of New Orleans sits _________ due to subsidence
Below sea level
Are low-lying piles of loose sand, constantly moved by waves and tides
Barrier Islands
There is usually a marsh or swamp between them and the mainland
Barrier Islands
Rising seas move the ___
Sand
__________ can gradually push the island toward land
Beach erosion
_____ can wash away large parts of the island
Hurricanes
The Sun and Moon sometimes pull together to make very high tides
King Tides (Sunny Day Floods)