Soil NH3 emissions across an aridity, soil pH, and N deposition gradient in southern California. - Krichels, Alexander H.; Homyak, Peter M.; Aronson, Emma L.; Sickman, James O.; Botthoff, Jon; Greene, Aral C.; Andrews, Holly M.; Shulman, Hannah; Piper, Stephanie; Jenerette, G. Darrel (Elementa: Science of the Anthropocene, 2023)