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<br />I <br />I <br /> <br />6.21 Model-predicted contributions of the various ice nucleation 168 <br />modes in experiment 8488. <br /> <br />xviii <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />6.22 Separation of immersion-freezing nucleation into its 169 <br />component sources (solid lines for collision scavenging, <br />dashed for condensation nucleation for chemically different <br />particles. Part (a) is for 0.03~m AgI-AgCl aerosols <br />(experiment 12188) and part (b)is for 0.07~m AgI-AgCl-4NaCl <br />aerosols (experiment 8288). <br /> <br />6.23 Observed (symbols) and model (lines) cumulative and 171 <br />differential F values versus temperature in pre-cloud <br />seeding experiment with 0.07~m AgI-AgCl-4NaCl aerosols <br />(experiment 8288) are shown in (a). Model predicted <br />mechanistic contributions to ice formation are delineated <br />-1 . <br />in (b). Simulated ascent rate was 5 m s . <br /> <br />6.24 Model-predicted contributions of various nucleation modes 173 <br />in experiment 8288, using the original model ice nucleation <br />formulations. <br /> <br />6.25 Exactly as in Figure 6.23, but for cloud forming at -11.80C. l74 <br /> <br />6.26 Cumulative and differential F values (experiment and model, 175 <br />following conventions from previous figures) for <br />po1ydisperse AgI-AgCl aerosols_present during cloud <br />formation at -90C in a 2.5 m s equivalent updraft <br />expansion (experiment 9088). <br /> <br />6.27 As in Figure 6.26'_1 but for polydisperse AgI-AgCl-4NaCl 176 <br />aerosols in a 5 m s equivalent updraft expansion <br />(experiment 13088). <br /> <br />6.28 Model (solid lines) versus experimental (dashed lines) 180 <br />thermodynamic and cloud quantities in in-cloud seeding <br />experiment using 0.07~m AgI-AgCl aerosols (experiment <br />7l88). Aerosols were introduced into cloud at -80C (see <br />arrow). The model simulation was initiated with the <br />observed cloud droplet characteristics at a point preceding <br />aerosol injection. <br /> <br />6.29 Model-predicted and observed ice formation versus l81 <br />temperature (a), and predicted contributions of various <br />nucleation modes in experiment 7188. <br /> <br />6.30 As in Figure 6.29, but for 0.07pm AgI-AgCl-4NaCl aerosols 182 <br />(experiment 8l88). <br />