1. Department of Civil and Environmental Engineering; Princeton University; Princeton New Jersey USA
2. Woodrow Wilson School of Public and International Affairs; Princeton University; Princeton New Jersey USA
3. Laboratoire d'Optique Atmosphérique; Université de Lille 1/CNRS; Villeneuve d'Ascq France
4. NASA Goddard Space Flight Center; Greenbelt Maryland USA
5. NASA Langley Research Center; Hampton Virginia USA
6. NOAA Geophysical Fluid Dynamics Laboratory; Princeton; New Jersey USA