1. Department of Geography and Environment; Boston University; Boston Massachusetts USA
2. Atmospheric and Environmental Research Inc.; Lexington Massachusetts USA
3. Department of Agricultural and Environmental Engineering; Federal University of Viçosa; Viçosa, Minas Gerais Brazil
4. Bay Area Environmental Research Institute; NASA Ames Research Center; Moffett Field California USA
5. Biospheric Science Branch; NASA Ames Research Center; Moffett Field California USA