Geography Flashcards
What is the coast?
The part of land adjoining or near the sea
Where are coral reefs?
Along the equator with clusters around Indonesia, Pacific Ocean and Indian ocean. Between Tropic or cancer and Capricorn
What is Climate change?
The long term change in the earths climate.
What is global warming?
Increasing atmospheric temperatures leading to climate change
Name 2 greenhouse gases
Carbon dioxide, methane
Name 2 sources of greenhouse gases
Factories from Industrial Revolution, transportations, eg: cars,busses
What is coral?
Individual corals are made up polyps held by calcium carbonate
What is algae
When aquatic organisms harvest sunlight and carbon dioxide to survive and glow like plants
What is a fringing reef?
When coral grows very close to the shore
What is a barrier reef?
They are reefs that are parallel to the shore but speerated from it by a deep channel of water
What is a carol atoll?
A ring-shaped coral reef, island or series of islets
What temperature do corals need to survive?
They need to be above the temperature 18 Celsius but most reefs are 23-25 degrees Celsius
Do coral reefs require salty water?
Yes corals need to be in a salty environment
What is the depth of coral reefs?
Coral reefs need to be in shallow water due to the need of sunlight.
Impacts of climate change in Maldives or people
Homes will be destroyed, tidal surges flood residents home every fortnight. Supplies of freshwater are getting polluted
Impacts of climate change in the Maldives of money
28% of the Maldives income will be gone due to airport flooding. Coastal flooding could lead to reducing the fish export therefore the country’s income
Impacts of climate change in the Maldives of environmental
Beaches would be lost this destroys habitats and exposes land behind the beach. The sea level is rising 9mm a year and is currently only 2.4 metres.
