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Understanding Acid Deposition: Effects and Solutions

Learn about acid deposition, the pollutants causing it, and its impact on forests, aquatic life, and soil fertility. Find out how acid rain and dry deposition harm the environment and ways to mitigate their effects.

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Understanding Acid Deposition: Effects and Solutions

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  1. Acid Deposition Made by: Adriana Chacón Carmen Araujo

  2. Acidity • Acids are chemicals that are able to donate a hydrogen ion to other chemicals http://www.youtube.com/watch?v=WOHJXyhe2Tk&feature=related

  3. Isthe general termforacidcomingdowntotheEarth’ssurfacefromthe air • Wetdeposition- theacid comes down in theform of rain orsnow • Drydeposition- theacid comes down as gas ordryparticles, withoutwater AcidDeposition

  4. Main Pollutants & Sources

  5. Acid deposition and its effects • Human construction • Limestone buildings and statues dissolve because of the acid.

  6. Effect on coniferous forests • 1970s: Germany’s Black Forest was damaged. • All kinds of trees suffered physical damage. • Loss of chlorophyll, lesions and thinning of wax cuticles. • Availability of nutrients reduces growth even more. • Reduces availability of soil particles therefore nutrients are also not available. • Root hair damaged • Damage of trees can kill them

  7. Effect on fish & other aquatic organisms • Aluminum released from soil ends up in the streams and rivers. • Fish’s ability to regulate amount of salt and water in its body, affects intake of oxygen and salt. • This may lead to death of fish.A solid can form on the fish’s gills, causes suffocation. No longer breathe.

  8. Reducing ability of soil particles to hold on to nutrients. • Nutrients: calcium, magnesium and potassium ions. Effects on soil fertility through nutrient removal

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