Fog Flashcards
1
Q
In cities what did the occurrence of fog increase with
A
Industrialisation
2
Q
What does it mean that there are more particles in city air
A
Particles act as condensation nuclei and encourage fog formation at night, usually under high-pressure weather conditions
3
Q
What did the UK Clean Air Acts (1950s) result in
A
A dramatic reduction in smoke production and particle emissions, and a decrease in the number of foggy days
4
Q
Examples of cities that suffer regular winter fog
A
New Delhi and Beijing
5
Q
What are the negative impacts of regular winter fogs
A
Cripple transportation networks and become hazardous to human health when they trap pollutants
