Seasonal Rain Belt Graphic (image) The Earth Institute at Columbia University Caption During boreal summer, Earth's tropical rain belt migrates north. A similar but prolonged shift could happen if the north continues to heat faster than the south, disrupting global rainfall patterns. Credit Mats Halldin Usage Restrictions None 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.