Environmental Science 1021F/G Lecture Notes - Lecture 5: World Health Organization, Nonpoint Source Pollution, Evapotranspiration
10 Dec 2018
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Fresh water resources: even though earth is covered in more than 1400 million cubic kilometres of water about. Water pollution: water pollution is a major concern for canada, because it is home to 7% of the entire world"s supply of renewable freshwater. The great lakes alone supply drinking water to. Storm water runoff has no single discharge point. Transpiration: grass sucks in water but water also evaporates from plants. Global evapotranspiration: transpiration + evaporation, global is how many mm of water per year is being transpirated in a year, equator: higher temperature drive evapotranspiration aka its humid, the air goes. Water usage - worldwide (sun: 70% of water goes to agriculture. Agriculture: rainfed vs. irrigation, 60% of indian crops are rain fed, depending on drought etc. we might have to move to irrigation. We take advantage of the fact that we have so much access to it and this also makes it cheaper: majority is through industry, ex.
