1. Objectives

2. 1.Describe the patterns of Insolation shown by the animation. 2.Explain the patterns you have identified. http://geography.uoregon.ed u/envchange/clim_animation s/flash/tmp2m.html

3. Factors affecting insolation levels across the globe Amount of atmosphere the insolation has to pass through due to the curvature of the earth Cloud cover and reflection (varies daily) Long term changes (tilt of Earth, eccentricity of orbit, wobble) Surface it hits (ALBEDO) The hemispheres and the seasons Length of day and night Ocean currents Urbanisation Aspect – angle of slope Altitude Sun spot activity

7. Factors affecting Insolation 1.Using an atlas and the information on pages 210 to 213 rank the global (short and long term) and local factors in an order of importance of how they affect the amount of radiation received and the resulting heat budget of the following places; Newcastle Upon Tyne St John’s, Newfoundland Manaus, Brazil Budapest, Hungary Kathmandu, Nepal 2. Question 2 from page 256 of David Waugh. 3. Exam question June 2002 Question 1 – plan it. Due in next week on Thursday. Height above Sea level Altitude of the sun Land and sea (proximity) Prevailing winds Ocean Currents Seasonal changes Length of day and night Aspect Cloud cover Urbanisation

8. What is meant by the earth’s heat budget? (5) Explain variations in insolation across the Earth’s surface (20)

9. A look ahead…. http://www.school- portal.co.uk/GroupDownloadFile.asp?GroupId =12426&ResourceID=40425 http://www.school- portal.co.uk/GroupDownloadFile.asp?GroupId =12426&ResourceID=40425 Hadley cell etc http://www.school- portal.co.uk/GroupDownloadFile.asp?GroupId =12426&ResourceID=40102 http://www.school- portal.co.uk/GroupDownloadFile.asp?GroupId =12426&ResourceID=40102 Coriolis effect