Lecture 5

Question 1

Whats is SRES

Answer 1

Special report on Emission Scenarios

Question 2

Main driving forces

Answer 2

1. ) Population growth
2. ) Narrowing in income distribution
3. ) range of assumptions about energy system developments and land-use patterns.
4. ) Different assumptions about deforestation and afforestation.
5. ) Effects of all of these on GHG also modelled.

Question 3

Reliability of Models

Answer 3

1. ) all models based on fundamental physical laws and well-established relationships.
2. ) When models are run for climate of recent past they do a good job of representing these climates.

Question 4

Canadian Models:

First generation models:

Answer 4

were simple. 5 vertical layers made up our four atmospheric layers and one ocean layer.

Question 5

Canadian models: Second generation models

Answer 5

Models were more complex. Ten vertical layers made 7 atmospheric layers and 3 ocean layers,