2_EvapDemand (image) Desert Research Institute Share Print E-Mail Caption Study results show increases of 13 to 18 percent in evaporative demand during all four seasons by the end of the century. Credit Dan McEvoy/DRI Usage Restrictions This figure may be used with appropriate caption and credit. Share Print E-Mail 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.