Water Hazards Textbook - Surface Water and Groundwater PDF
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Uploaded by MesmerizingPetra2342
Silpakorn University
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Summary
The document is a textbook chapter about water, covering surface water, groundwater, and related hazards. It explains water usage, management, and the impact of natural disasters such as floods, erosion, landslides, sinkholes and land subsidence. The chapter includes quizzes and activities to help students understand the topics.
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? h y d o f lo ods occur W 9 Chapter Water By the end of this chapter, you should be able to: explain the factors and processes of surface water and und...
? h y d o f lo ods occur W 9 Chapter Water By the end of this chapter, you should be able to: explain the factors and processes of surface water and underground water from the model. make a model to explain water usage and introduce the ways to use water sustainably in your local areas. make a model to explain the formation and the impact of oods, soil erosions, landslides, sinkholes and land subsidence. 9.1 Surface Water and Groundwater Surface water Surface water is the water that collects on the surface of the Earth. This includes seas, oceans, streams, lakes, canals and swamps. The seas and oceans are salt water. They have a high content of salt. Streams, lakes and canals are fresh water that contains very little or not salt. Fresh water is extremely important to sustain the lives of all living things on land. Streams that are steep and fast-flowing are 97% ocean usually narrow and shallow. Streams that are slow-flowing are usually 2.2% ice wider and deeper.
