Doppler Sodar (IMAGE) DOE/Pacific Northwest National Laboratory Caption This photo shows the Triple-Monostatic Doppler Sodar being used in a multiagency cooperative boundary-layer experiment near Chico, California. Credit Courtesy of Pacific Northwest National Laboratory. Usage Restrictions Image courtesy of Pacific Northwest National Laboratory. Use of image shall not claim any expressed or implied affiliation with, or endorsement by, Battelle Memorial Institute, Pacific Northwest National Laboratory or the U.S. Department of Energy. 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.