Atmospheric pollution - tropospheric ozone and carbon monoxide
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What are the sources of tropospheric ozone
• photochemical reaction of NOX’s and oxygen. • The oxygen break off and react with other O2 molecules to form O3
What are the effects of tropospheric ozone
• photochemical smog • respiratory issues • reduces growth for plants and trees
What are some controls of tropospheric ozone
• control NOX’s • public awareness • increase public transport
What are the sources for carbon monoxide
• incomplete combustion of fossil fuels
What are the effects of carbon monoxide
• CO binds to hemoglobin which prevents it from carrying O2 from the lungs to the tissues
What are some controls of carbon monoxide
• catalytic converter • ventilation in homes • public awareness
What is a biotic index
• a metric used to assess the quality of an environment by measuring the types and amounts of organisms that live in it
Name some biotic indices and what they tell us about pollutants
• lichen - qual of air • salmon - food source, climate change • bats - disease, environmental health
What are lichen
• made up of 2 or more organisms • symbiotic relationship = between fungus and algae • fungus requires carbohydrates • algae require shelter
What makes a good indicator species
• easy to identify • abundant in normal conditions • easy to find
What are the advantages of using biotic indices
• cheap • low level of technology needed • can bioaccumulate
What are the disadvantages of using biotic indices
• difficulty with identification of species • can be time consuming