... water for many different purposes for example, to drink, to grow food, generate electricity and to enhance our surroundings. Even our simple necessities eg: cleaning and washing requires water. The Water Cycle The hydrological cycle is the basis of this investigation. Without it life on this planet would not exist. In this diagram it illustrates how solar radiation, which is the driving force behind the cycle creates this cycle of water. This includes, precipitation from water in the clouds, infiltration into the ground or surface run off into near by water sources, then followed by evaporation and transpiration back into the atmosphere. The rate of evaporation/transpiration and precipitation help calculate the base-line quantity for human consumption. Precipitation is all forms of water falling onto the ground, which includes, snow, rain, hail and sleet. There are many ways of measuring this data. Evaporation and transpiration are the movement of water back into the environment ...

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