F:Atmospheric Environments

Question 1

Define Enhanced Greenhouse Effect

Answer 1

An elevated and imbalanced greenhouse effect, resulting in additional heat being retained due to increased amounts of greenhouse gases that humans have released

Question 2

Name 5 Greenhouse gases

Answer 2

Water Vapour, Carbon Dioxide, Methane, Nitrous Oxide and CFCs

Question 3

Origin of Water Vapour

Answer 3

evaporation of Oceans and evapotranspiration from the land. NATURAL

Question 4

Origin of Carbon Dioxide

Answer 4

Burning fossil fuels and Deforestation. MAN-MADE

Question 5

Origin of Methane

Answer 5

decaying vegetation, Sewage and Landfill and farming. NATURAL AND MAN-MADE

Question 6

Origin of Nitrous Oxide

Answer 6

Vehicle exhausts, fertilisers and power stations. MAN -MADE

Question 7

Origin of CFCs

Answer 7

Fridges, aerosol sprays and Solvents. MAN-MADE

Question 8

Natural Causes of Climate Change

Answer 8

1. Astronomical Forcing- variations in tilt of Earth
2. Solar Output Variations-impact of sunspot
3. Volcanic and Cosmic causes- dust effects insolation
4. Atmospheric Forcing-

Question 9

Human Causes of Climate Change

Answer 9

1. Increased level of greenhouse gases
2. Industrialisation and burning fossil fuels
3. Deforestation
4. Large scale pastoral farming
5. reservoir Creation