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Questions and Answers
What percentage of the earth's total surface is covered by water bodies?
Which of the following contains the highest percentage of fresh water?
Where is nearly 97.5% of the earth's total water surface accumulated?
What percentage of Ethiopia's total land mass is covered by water bodies?
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What is Ethiopia often called in reference to its water resources?
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What is the estimated surface water potential of Ethiopia?
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Study Notes
Water Coverage on Earth
- Approximately 71% of the Earth's total surface is covered by water bodies, mainly comprising seas and oceans.
- About 97.5% of the Earth's total water surface is alkaline, accumulated in seas and oceans.
Fresh Water Distribution
- Only 2.5% of the Earth's total water surface is fresh water.
- Of the fresh water, nearly 68.7% is deposited in glaciers.
- Approximately 30.1% of fresh water is stored in ground water.
- About 0.8% of fresh water is found in permafrost.
- A small percentage, around 0.4%, is stored in surface waters (lakes, rivers, atmosphere, soils, and wetlands).
Ethiopia's Water Resources
- Ethiopia's topographic setup is characterized by a complex blend of highlands, rugged terrain, and low plains.
- The country's diverse topography, relatively higher rainfall, and proximity to the equator contribute to its larger volume of ground and surface water.
- Around 0.7% of Ethiopia's total land mass is covered by water bodies.
- The country's surface water potential is estimated to be 124.4 billion cubic meters (BCM), as studied in integrated river basin master plans.
- Ethiopia is often referred to as the "water tower of Eastern Africa" due to its significant water resources.
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Description
Test your knowledge on the distribution of water on Earth's surface, including the percentage in oceans, glaciers, ground water, and other sources. Learn about the allocation of fresh water on the planet and its significance.
