410528
Beschreibung
Mindmap von Aisling Tuffy, aktualisiert more than 1 year ago
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Erstellt von Aisling Tuffy
vor mehr als 10 Jahre
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Acid Rain
- Gases (Sulphuric dioxide, Nitrates and Carbon dioxide) are emitted by the combustion of fossil fuels - coal and oil-fired power stations and transport.
- Gases are released into the atmosphere
- They dissolve into water in cloud forming acids (Sulphuric acid, Nitric acid and Carbonic acid (H2CO3)
- Acids fall to the ground in precipitation
- This can fall as wet deposition - snow sleet and mist OR as dry deposition - gases, dusts and smog
- Dry deposition affects the environment directly and can produce smog and damage buildings by eroding
away limestone and marble. Deposition on farmland and forestry affects plant growth and reduces crop
yields. it can also cause breathing problems in humans and has been linked to asthma
- Wet deposition shares the direct effects of dry deposition and has a acidifying effect on lakes, rivers and streams.
This is particularly dangerous as most aquatic life cannot survive in pH of less than 4.5. It also leaches toxic
materials (Cd and Al) which has a direct effect on the respiratory systems of fish, causing their gills to clog up.
The prescence of toxic metals in water supplies presents a health problem to all animal life including humans.
- Dry deposition affects the environment directly and can produce smog and damage buildings by eroding
away limestone and marble. Deposition on farmland and forestry affects plant growth and reduces crop
yields. it can also cause breathing problems in humans and has been linked to asthma
- This can fall as wet deposition - snow sleet and mist OR as dry deposition - gases, dusts and smog
- They can enter waterways and kill fish and plants
- Acids kill/damage crops, forests and erode buildings
- Acids kill/damage crops, forests and erode buildings
- Solutions
- Desulphurisation plants are fitted to power stations, which reduce the amount of SO2 in escaping smoke.
- Catalytic converters in cars help to remove both NOX and SO2 from car exhaust fumes.
- Cut back on the use
of fossil-fuels
- By reducing our dependency on cars
- By only using as much electricity as we
need
- By reducing our dependency on cars
- Desulphurisation plants are fitted to power stations, which reduce the amount of SO2 in escaping smoke.
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