Researchers in Field (IMAGE) University of Washington Caption To develop the model, the team collected data for 121 wetland sites in Olympic National Park, Mount Rainier National Park and North Cascades National Park. Researchers monitored each site several times during the summer and fall of 2012. Credit Maureen Ryan/University of Washington Usage Restrictions With credit 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.