Higher Physical NAB revision

2 good sites here useful for NAB revision and exam revision a little later.

Atmosphere Revision
ITCZ site http://www.metlink.org/data/review.php?ID=40
El Nino http://www.pmel.noaa.gov/tao/elnino/el-nino-story.html

1 here for the Biosphere. We will be looking at this after Easter in the last section of the course.

Biosphere site Sands of Time
http://www.sandsoftime.hope.ac.uk/succession/index.htm