Dr. Joseph Ortiz, Kent State University (IMAGE) Kent State University Caption A group of researchers have studied the history of drought in the Pacific Northwest during the last 6,000 years, a time that spans the mid-Holocene geological epoch to the present. The research team included Dr. Joseph Ortiz, associate professor of geology at Kent State University. Credit Kent State University 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.