1. Department of Geosciences; University of Massachusetts; Amherst Massachusetts USA
2. Norwegian Institute for Air Research; Kjeller Norway
3. Department of Electrical and Computer Engineering; University of Massachusetts; Amherst Massachusetts USA
4. Department of Mechanical and Industrial Engineering; University of Massachusetts; Amherst Massachusetts USA
5. Institute for the Study of Earth, Oceans, and Space; University of New Hampshire; Durham New Hampshire USA