Importance of water resources

Importance of water resources

1, human survival life can not live without water. Modern medical measurements show that the proportion of water in all major parts of the human body is: 74.5% of the brain, 22% of the bones, 82.7% of the kidneys, 97% of the bile, 75.6% of the muscles, 83% of the blood vessels. Water makes up 70 percent of the body's total body weight.

2, plants and animals can not live without water. Rain and dew nourish the seedlings strong, everything grows without water. Water is the basic unit that constitutes a living organism, is the basic conditions for the occurrence, development and reproduction of life.?

3, regulating the climate. Water is an important component of the atmosphere. Although the atmosphere contains only one millionth of the global water volume, however, the cyclic interaction between the atmosphere and water defines the movement of the Earth's water cycle, creating a climate that supports life. Atmospheric water helps to regulate the global energy balance, and the water cycle movement acts as an energy transfer between different regions.

4, water has the function of material transportation. Water can transport a variety of materials and nutrients. Water transports material in two forms: dissolved minerals and overall material. Various particulate matter in the atmosphere can be deposited into the water body, and then transported by water. From this aspect, it can be seen that water can transport and spread environmental pollutants to farther and wider areas.

5. Water mills shape the earth's surface. Flowing water initiates and promotes the formation of landforms, the rearrangement of surface landscapes, and the formation of deltas, among other things. Water is a key factor in the formation of soils and also plays an important role in the physical weathering of rocks.