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Physical Geography of North Africa, Southwest Asia, and Central Asia
Transcript of Physical Geography of North Africa, Southwest Asia, and Central Asia
The regions mountain ranges receive enough precipitation to water coastal regions, making them ideal for farming.
Dune-covered KUMS, or deserts, are a large contrast to the cultivated fields of the lowland.
Rivers are the lifeblood of the region. Their lush and productive valleys have always welcomed travelers and provided food for local populations.
60% of the world's known oil reserves and 50% of the world's known gas reserves are in this region.
The region is also known for its rich deposits of minerals such as sulfur and PHOSPHATE- a chemical used in fertilizers.
Water and Climate
Water scarcity defines the region's climates.
EX: Cave paintings
Differences and changes in climates across the region have affected natural vegetation and human activities.
Scientists define a desert climate as one which has precipitation averages of 10in or less a year.
Desert encompasses 50% of the region.
The SAHARA is the largest desert in the world and covers most of North Africa.
Semi-arid climate with precipitation averages of 14 in or less a year.
Enough to support PASTORALISM- the raising and grazing of livestock.
Mediterranean climates are common to the Tigris-Euphrates river valley and coastal plains.
Other places with Mediterranean climates benefit from fruit exports and tourism.
Coastal Plains, Seas, and Peninsulas
The region is dominated by deserts and mountains.
The region's agricultural base is found in fertile plains along the Mediterranean Sea, Caspian Sea, and the Persian Gulf.
Three landlocked bodies of salt water lie east of the Mediterranean Sea.
The Caspian Sea is the largest inland body of water on Earth.
The Aral Sea began to dry up when the Soviet Union diverted water for irrigation.
The NILE RIVER is the world's longest river.
Today, more than 90% of Egypt's ppl live on only 3% of Egypt's land.
The Aswan High Dam controls the river's flow, reducing both flooding and deposits of ALLUVIAL SOIL, rich soil made up of sand and mud deposited by moving water.
"Land between two rivers"
The fertile soil comes from the Tigris and Euphrates river which mainly flow through Iraq.