LSR 2121 Lecture Notes - Lecture 7: Water Scarcity, Water Cycle, Grass Green
10 Feb 2016
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Document Summary
Delicate balance in what the earth provides in terms of water and what the human population needs. The amount of water that we have as fresh water is finite. The renewal rate of water is fixed and extremely slow. We are not able to increase the amount of water that we have in the world. There are places where there is a water scarcity: agricultural purposes (70%, industry usage (23%, household usages (remainder) Water in agricultural activities has important conservation solutions to water shortages: 97. 4% of all water is in the oceans (salt water) 1. 98% is in ice caps/glaciers frozen. One of the most fortunate countries in the world in terms of. We don"t worry about it therefore we use a lot of it. We use a lot and pay relatively low water prices. Stressors: growth of large urban centers, increased industrial activity, impact of agricultural chemicals on the quality of water.
