1. Tropical climates

2. Costa Rica

3. Lake Victoria (24-26ºC) Lake Titicaca (12-15ºC) Lake Erie (0-21ºC)

4. Inter-Tropical convergence (ITC)

6. Global Climate Patterns

8. Lewis, 1987

12. Amazonian rainfall, river stage

13. The Coriolis effect is an apparent deflection of moving objects when they are viewed from a rotating reference frame. It is caused by the rotation of the earth and the inertia of the mass experiencing the effect.

16. Satellite images of the central Pacific Ocean from May 25 (upper left) and December 18 (upper right), 1997, showing El Niño conditions, and from June 26, 1998 (lower left), and March 10, 1999, (lower right), showing La Niña conditions. (White is warmest, red is next, and blue is coldest.)