1. Department of Physics, University of Texas El Paso, El Paso, TX, USA
2. Division of Atmospheric Sciences, Desert Research Institute, Nevada System of Higher Education, Reno, NV, USA
3. Science Systems and Applications, Inc. and Global Modeling Assimilation Office (GMAO), NASA Goddard Space Flight Center, Greenbelt, MD, USA
4. Chemistry Department, Riverside City College, Riverside, CA, USA