Changes in Rainfall Over Australia (IMAGE) NOAA Headquarters Caption The agreement between observed and model simulated rainfall changes supports the idea that human activity contributed to the drying of southwestern Australia and that the drying will increase in the 21st century. Changes in fall-winter rainfall from observations (top panel) as compared to model simulation of the past century (middle panel), and a model projection of the middle of the 21st century. Credit Graphic by NOAA's Geophysical Fluid Dynamics Laboratory Usage Restrictions This graphic like the release is embargoed until 1 p.m. ET, July 13, 2014 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.