HyperTools Generated Visualization (IMAGE) Dartmouth College Caption This is a HyperTools generated visualization of changing temperatures across the Earth's surface from 1875-2013. Visualization highlights the cyclical (seasonal) nature of global temperatures that occurs alongside a gradual increase in global temperatures over time. Image is among those included in Figure 1 of journal article. Credit Static image by Contextual Dynamics Laboratory, Dartmouth College. Usage Restrictions None License Licensed content 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.