'Colorado brown stain permissible' diaporamas de présentation

Major Determinants of Water Quality and the Impact or Availability of Water Pollutants

Major Determinants of Water Quality and the Impact or Availability of Water Pollutants. Organisms Solubility Oxygen pH. Nutrients (N, P) Metals (Hg, Pb, As) Organic Chemicals (PCBs, Dioxins). Nutrients: Nitrogen and Phosphorus. Both are limiting to primary productivity.

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Water Use, Overuse, and Natural Contamination

Water Use, Overuse, and Natural Contamination. Water Mining. Over-exploitation of renewable and non-renewable aquifers. Withdrawals exceed recharge creating deficits in the aquifer. Lack of contemporary recharge. The Middle East.

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Chemical Pollutants

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