Unit 4 Water Resources

Front

What is hydrological poverty?

Back

Hydrological poverty refers to a situation where a country or region does not have adequate fresh water resources to meet the needs of its population.

Front

What are the potential options for Egypt to improve its water supply in light of Ethiopia and Sudan diverting water from the Nile?

Back

Options include importing more grain, cutting rapid population growth, and working out water sharing agreements. However, diverting water from another large river is NOT an option.

Front

Is water considered a national security issue?

Back

True. Water scarcity can lead to conflicts and is a critical factor in national security.

Front

What percentage of surface water from rivers and lakes is used by cities and residences?

Back

10%.

Front

Which of the following is NOT a harmful environmental effect of severe drought?

Back

Erosion increases due to stream runoff.

Front

What is the hydrologic cycle?

Back

The hydrologic cycle is the continuous movement of water on, above, and below the surface of the Earth, involving processes such as evaporation, condensation, precipitation, and infiltration.

Front

Define water scarcity.

Back

Water scarcity is the lack of sufficient available water resources to meet the demands of water usage within a region.

Front

What is the difference between water deficit and water shortage?

Back

Water deficit refers to a long-term lack of water resources, while water shortage is a temporary lack of water availability.

Front

What are some common uses of surface water?

Back

Common uses include drinking water supply, irrigation for agriculture, industrial processes, and recreational activities.

Front

How can drought affect agricultural productivity?

Back

Drought can lead to reduced soil moisture, lower crop yields, and increased vulnerability to pests and diseases.