A "Cloud Clock": Coupling laboratory data of the accommodation coefficient of HNO3 on ice with field surface coverage data to determine the age of a cloud parcel.
Laboratory for Atmospheric and Space Physics, Campus Box 392, University of Colorado, Boulder, CO 80309-0392 United States
Laboratory for Atmospheric and Space Physics, Campus Box 392, University of Colorado, Boulder, CO 80309-0392 United States ; Program in Atmospheric and Oceanic Science, Campus Box 392, University of Colorado, Boulder, CO 80309-0392 United States