The role of heterogeneous freezing nucleation in upper troposphereic clouds : inferences from SUCCESS Public Deposited

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  • A temperature spectrum if heterogeneous freezing nuclei concentrations in continental air in the upper troposphere was determined based on airborne measurements. Numerical model simulations incorporating ice formation by heterogeneous and homogeneous freezing of deliquesced soluble aerosol particles were performed to investigate the effect of the heterogeneous freezing nuclei were predicted to cause lower maximum concentrations of ice particles formed in clouds. These nuclei also initiate the first ice formations and act to broaden ice crystal size distributions um upper troposphereic clouds. Observations of ice formations in an orographic wave cloud supported these predictions.
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  • DeMott, P. J., Rogers, D. C., Kreidenweis, S. M., Chen, Y., Twohy, C. H., Baumgardner, D., Heymsfield, A. J., and Chan, K. R., 1998, The role of heterogeneous freezing nucleation in upper tropospheric clouds: Inferences from SUCCESS: Geophys. Res. Lett., v. 25, p. 1,387-1,390.
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  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2010-04-19T13:30:36Z (GMT) No. of bitstreams: 1 DeMott et al GRL 1998.pdf: 439870 bytes, checksum: 74af54b6b0a1809eca3a74920e264409 (MD5)
  • description.provenance : Submitted by Mary Phan (mpscanner@gmail.com) on 2010-04-15T23:38:52Z No. of bitstreams: 1 DeMott et al GRL 1998.pdf: 439870 bytes, checksum: 74af54b6b0a1809eca3a74920e264409 (MD5)
  • Geophysical Research Letters
  • Vol. 25 No. 9 (1998)
  • description.provenance : Made available in DSpace on 2010-04-19T13:30:36Z (GMT). No. of bitstreams: 1 DeMott et al GRL 1998.pdf: 439870 bytes, checksum: 74af54b6b0a1809eca3a74920e264409 (MD5) Previous issue date: 1998-05

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