More Robust Models of the Big Picture (image) Brown University Caption Even a highly simplified model of the Earth's atmosphere shows great complexity in jet streams and macroturbulence. Mathematical approaches that focus on average statistics rather than detailed patterns can deepen our understanding of climate and climate change. Credit Brad Marston / Brown University Usage Restrictions Please give full credit to the image author and institution if used. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.