Empirical Critical Levels of Ozone for U.S. Tree Species and Their Uncertainties with Machine Learning

ShihYing Chang1, Nathan R Pavlovic2, Joey Huang1, Kenneth Craig1, Chris Clark3, Kevin A Thorn4 and Charles T Driscoll5, (1)Sonoma Technology, Inc., Petaluma, CA, United States, (2)Sonoma Technology, Inc., Petaluma, United States, (3)Environmental Protection Agency, Office of Research and Development, Washington, DC, United States, (4)U.S. Geological Survey, Denver, CO, United States, (5)Syracuse University, Department of Civil & Environmental Engineering, Syracuse, NY, United States