1. Department of Earth and Atmospheric Science; University of Houston; Houston Texas USA
2. Institute for Climate and Atmospheric Science, University of Houston; Houston Texas USA
3. Texas Commission on Environmental Quality; Austin Texas USA
4. Department of Atmospheric and Oceanic Sciences; University of California; Los Angeles California USA
5. Atmospheric Sciences Program, Michigan Technological University; Houghton Michigan USA
6. Department of Geological and Mining Engineering and Sciences; Michigan Technological University; Houghton Michigan USA