Explain the following terms:
(i) water crisis
(ii) water management
Answers
Answer:
1-Water crisis is the lack of freshwater resources to meet the standard water demand. Two types of water scarcity have been defined: physical or economic water scarcity. Physical water scarcity is where there is not enough water to meet all demands, including that needed for ecosystems to function effectively.
2-Water management is the control and movement of water resources to minimize damage to life and property and to maximize efficient beneficial use. ... Sometimes water management involves changing practices, such as groundwater withdrawal rates, or allocation of water to different purposes.
Explanation:
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(i) water crisis: Water covers more than two-thirds of the Earth's surface. But fresh water represents less than 0.5% of the total water on Earth. The rest is either in the form of seawater many areas. the rate of increase in population. 20 percent of the Earth's population, are experiencing water scarcity. The absolute or physical water crisis is a result of regions’ demand exceeding the limited water resources found there. According to the food and agricultural organization, 1.2 billion populations live in a region of physical scarcity, and most of these people are from arid areas. Whether you are using water for domestic, industrial, or agricultural purposes, improving and saving water management is possible. Water is being wasted at places where people are not facing the issue of the water crisis.
(ii) water management: Water management is the activity of planning, developing, distributing and managing the optimum use of water resources. Water is a basic necessity. No living creature can live without water. There’s a scarcity of water. To avoid this scarcity, water is saved and managed efficiently. Water is an essential requirement for all living things. Water resources are getting depleted at a very fast rate, and also there is a shortage of water in many places due to various factors. To avoid this shortage of water, it needs to be managed efficiently.
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