NATS 1780 Lecture Notes - Lecture 2: Water Cycle
Document Summary
The rain falls into ocean and onto the ground fulfill the surface water such as lake and river which beacome the most important component of our living environment. The remains of the rain go through the soil and form underground water which also can be used by drilling well. The underground water has always been an critical source of drinking and irrigating. The ground water flow into the ocean through surface and under ground rivers. With the evaporation, these water become vapor and cloud in the air which will become rainfall at last.