1. Department of Earth Sciences University of Southern California Los Angeles CA USA
2. South Coast Air Quality Management District Diamond Bar CA USA
3. Now at Department of Oceanography University of Hawaiʻi at Mānoa Honolulu HI USA
4. University of Oldenburg Institute for Chemistry and Biology of the Marine Environment Oldenburg Germany
5. Department of Atmospheric & Oceanic Sciences University of California Los Angeles Los Angeles CA USA
6. Now at Lamont‐Doherty Earth Observatory of Columbia University Palisades NY USA