What is the water level control?

Water level control is the process of regulating or controlling the water level of a water body by artificial or natural means. The purpose of water level control is to meet different water demands, protect water resources and the water environment, prevent flooding and water pollution, and improve water conservancy benefits and water ecology benefits.


There are various methods of water level control, mainly including the following:

Construction of water conservancy projects, such as reservoirs, dams, gates, pumps, etc., to regulate or control the water level of water bodies through manual operation or automatic control.

Utilizing hydrometeorological information, such as rainfall, flow rate, water level, etc., to predict changes in the water level of a water body and take timely countermeasures, such as opening gates to release flood water and regulating the amount of water.

Use hydrological models, such as hydrological cycle model, hydrological hydraulic model, etc., to simulate the water level change of the water body, to assess the effect and impact of water level control, and to provide scientific basis for water level control.

Utilize hydrological ecological principles, such as minimum ecological flow, optimal ecological water level, etc., to determine the target and scope of water level control of water bodies, and protect the health and stability of water ecosystems.

Using hydrological economic principles, such as water price, water rights, water market, etc., to balance the costs and benefits of water level control of water bodies, optimize the allocation and use of water resources.

Water level control is an important part of water resources management and a core technology of water conservancy engineering. Good or bad water level control directly affects human production and life, as well as the ecology and environment of water bodies. Therefore, water level control should follow the following principles:

People-oriented, to meet the basic water needs of human beings, and to protect the safety and health of human beings.

Water-oriented, maintain the natural properties and functions of water bodies, and protect the quality and quantity of water bodies.

Science-oriented, utilizing modern hydrological science and technology to improve the precision and efficiency of water level control.

Coordination-based, coordinate the interests of many parties in the water level control of water bodies, and realize the sustainable development of water level control of water bodies.


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