1. College of Life and Environmental Sciences; Geography University of Exeter; Exeter EX4 4RJ U.K.
2. Remote Sensing Division; National Institute for Space Research; Av. dos Astronautas, 1758 São José dos Campos Sao Paulo 12227-010 Brazil
3. Laboratoire des Sciences du Climat et de L'Environment, CEA, UVSQ, CNRS; 91190, Gif-sur Yvette France
4. Lancaster Environment Centre; Lancaster University; Lancaster LA1 4YQ U.K.
5. Museu Paraense Emílio Goeldi; Av. Perimetral, 1901 Belém Pará 66077-830 Brazil
6. School of Geography and the Environment; University of Oxford; Oxford OX1 3QY U.K.
7. Jet Propulsion Laboratory; California Institute of Technology; 4800 Oak Grove Drive Pasadena CA 91109 U.S.A.
8. School of Geography; University of Leeds; Leeds LS2 9JT U.K.