Measuring Greenhouse Gas Emission (image) University of Arizona Share Print E-Mail Caption The researchers installed special instruments for measuring fluxes using Plexiglas chambers that periodically set themselves down over the surface and trap the gases emanating from the soil. Credit Scott Saleska Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.