Lecture 9: climate change pt. 1

Question 1

climate

Answer 1

average daily weather over an extended period of time in a certain location
climate is the whole system

Question 2

weather

Answer 2

reflects short term conditions of the atmosphere

Question 3

Milankovitch cycles

Answer 3

there’s axial wobble/precision of the Earth and variation of tilt which mean variation of orbit

Question 4

IPCC

Answer 4

intergovernmental panel on climate change

Question 5

Ozone

Answer 5

there are greenhouse gases that cause its depletion (hydrofluorocarbons) but it is a greenhouse gas too, one of the things we’re interested in when we think about it is that it helps to ensure we can have life on the planet

Question 6

Albedo Effect

Answer 6

the reflecting power of the surface, when ice melts then there is less reflective material and so less heat is reflected off the earth and then more heat is absorbed–a positive feedback loop

Question 7

Methane

Answer 7

a greenhouse gas CH4 that is greater than carbon

Question 8

Carbon Dioxide (CO2)

Answer 8

a green house gas

Question 9

Green House Gas (GHG)

Answer 9

Water Vapor (H2O)
Methane (CH4)
Carbon Dioxide (Co2)
Nitrous Oxide (N20)
are all green house gases