Institution: | (1) Energy and Resources Group, University of California, 94720 Berkeley, CA, U.S.A.;(2) Office of the Governor of California, and doctoral candidate Energy and Resources Group, University of California, 94720 Berkeley, CA, U.S.A.;(3) Service d'Aéronomie, Centre National de la Recherche Scientifique, Verrières-le-Buisson, France;(4) Climatic Research Unit, University of East Anglia, NR4 7TJ Norwich, England;(5) Colorado School of Mines, 80401 Golden, CO, U.S.A.;(6) Karlsruhe, F.R. Germany |