18 - Lecture 18: Water Resources 1. 2. 3. 4. 5. Water:...

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1 Lecture 18: Water Resources 1. Water: Basic facts 2. Water availability and use 3. Types of pollutants 4. Important laws 5. ISSUES: POINT versus NONPOINT 6. Issue: ground water pollution Suggested Reading: Tepfer, K. 2004. The real price of water. Frontiers in Ecology & Environment 2:59. Water: Basic facts • The water cycle: water moves around in different parts of the biosphere. • ~97% of all water is in oceans. • Most fresh water is in ____________ _____________________ • Thus: rivers, lakes, ground water, etc., Make up _____________ of total. Increasing water supplies __________________ – Three to four times more expensive than most other sources. Major Water Compartments • _______________ : Water that seeps through soil down to reservoir within rock layers. – Second largest reservoir of fresh water. _______________ - Process of water percolating through the soil and into fractures and permeable rocks. Groundwater
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This note was uploaded on 04/06/2011 for the course FNR 103 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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18 - Lecture 18: Water Resources 1. 2. 3. 4. 5. Water:...

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