Module 1 – the last 2.6 million years
Core Resources
Climate graph, 2.6 million years, without uncertainty
Climate graph, 2.6 million years, without uncertainty

Drawing Isobars Isobars are lines of constant pressure. Drawing the isobars reveals features (eg highs, lows, ridges and troughs) which help us understand the weather.

Floods can be devastating — costing the lives of people and animals, as well as destroying crops, homes and businesses.

