Urban Climate

Question 1

What is urban heat island

Answer 1

When an urban area has warmer temperatures than a surrounding rural area

Question 2

What is urban heat island caused by

Answer 2

1.Central heating in buildings increases the temperatures in cities
2.industries and offices release heat
3.traffic congestion increases temperatures
4.high rise buildings reduce wind speed.warm air can build up
5.rising warm air can cause thunderstorms releasing latent heat

Question 3

Solutions to urban heat island

Answer 3

1.use public transport so there is less cars in the road=less Co2 ommisions
2.plant more trees and rooftop gardens so they absorb the Co2 and there will be more evapotranspiration
3.build more green belt areas(parks, gardens) because they have more natural surface
4.use reflective paint on buildings

Question 4

What is a pollution dome?

Answer 4

A trapped mass of polluted air over a city

Question 5

What causes pollution domes

Answer 5

1.burning of fossil fuels
2.Inversion layers that trap polluted air
3.domestic fires
4.car exhaust fumes because they release Co2

Question 6

Effects of pollution domes

Answer 6

1.Increase in pollution.
Smog(air pollution that combines fog and smoke)
2.smog reduces visibility
3.precipitation increases (any liquid or frozen water that forms in the atmosphere and falls back to the earth)
4.global climate change.