Grography Flashcards
(23 cards)
The Horn of Africa is found where?
In the east
What 3 countries does it include
Ethiopia, Somalia and Kenya
The danikill depression is how low below sea level
100 metres
Eritrea lies where?
Along the Red Sea
Somalia borders where?
The Indian Ocean
The blue Nile heads north joined by its tributary to do what?
Join white Nile to form river Nile
What is climate?
Average weather over a long period of time
What happens per 100 you go up a mountain
One degree drops
List the human impacts causing global warming
Burning fossil fuel- releasing Co2 into atmosphere
Deforestation- if trees are cut down there’s more co2 in atmosphere because they can’t absorb any during photosynthesis
Dumping waste in landfill- when products decompose it produces methane
Agriculture- releasing methane into atom sphere
List natural products impacting global warming
Volcanic activity, solar output
How can deforestation cause a drought?
It reduces the soils ability to hold onto water, because the trees store water in there roots and leaves ext.
How does climate change cause a drought?
If the climate is too hot it causes water to evaporate and there isn’t enough to go around for all the crops.
What is the country tagt suffers the worst for drought in the Horn of Africa?
Ethiopia, around its capital, Mogadishu
What is Ethiopia’s biggest source of income?
Coffee
Where is the danikil depression located?
North east Ethiopia
How much rain fall does the danikil depression get every year?
100-200 mm
What is left behind because of evaporation?
Salt pans,sun baked earth.
Name 3 famous coasts
Queensland,fundy national park, Canada, the Gold Coast
What is a trough?
Low area between two waves
What is the fetch?
Distance the wind blows across the water
What is a swash
The movement of water abs load up the beach?
What effects wave energy?
The strength, duration and fetch
Properties of destructive waves:
Lots of energy , drag things away from beach , weak back wash