Results:

The INSPECT 2 Field Study was competed on May 19, 2004. Follow-on small group science team meetings were held and analyses are now mostly completed. Results are reflected in the reviewed papers and presentations listed below. All are available on request. Specific data sets are also available by request.

Reviewed papers:

1. Richardson, M. S., P. J. DeMott, S. M. Kreidenweis, D. J. Cziczo, E. Dunlea, J. L. Jimenez, D. S. Thompson, L. L. Ashbaugh, R. D. Borys, D. S. Westphal, G. S. Cassucio and T. L. Lersch, 2007: Measurements of heterogeneous ice nuclei in the Western U.S. in springtime and their relation to aerosol characteristics. In press, J. Geophys. Res.

2. DeMott, P. J., D. J. Cziczo, E. Dunlea, M. S. Richardson, D. S. Thomson, S. M. Kreidenweis, J. Jimenez, and D. M. Murphy, 2007: Measurements of homogeneous freezing by natural aerosol particles. In preparation for submission to J. Geophys. Res.

Conference Presentations:

1. Cziczo, D.J., P.J. DeMott, S.D. Brooks, A.J. Prenni, D.S. Thomson, S.M. Kreidenweis, and D.M. Murphy, “Recent Field Studies and an Improved Understanding of Aerosol / Ice Cloud Interactions”, Eos Trans. AGU, 85(47), Fall Meet. , Abstract A54B-06, 2004.

2. Cziczo, D.J., D. Murphy,D. Thomson, P. DeMott, S. Brooks, M. Richardson, A. Prenni, S. Kreidenweis, E. Dunlea, A. Aiken, J.A. Huffman, C. Gallar, J.-L.Jimenez, J. Snider, M. Petters, R. Borys, "Chemical Composition of Atmospheric Ice Nuclei", AAAR Conference, Atlanta, GA, October 2004.

3. Huffman J.A., E. Dunlea, A. Aiken, C. Gallar, J. Jimenez, R. Borys, D. Cziczo, D. Murphy, S. Brooks, M. Richardson, A. Prenni, S. Kreidenweis, P. DeMott, “Measurements of Free Tropospheric Aerosol and Ice Nuclei at Storm Peak Laboratory with an Aerodyne Aerosol Mass Spectrometer (AMS)”, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A41A-0010, 2004.

4. Richardson M., P. DeMott, D. Cziczo, J. Jimenez, E. Dunlea, A. Prenni, S. Brooks, S. Kreidenweis, J. Snider, M. Petters, D. Murphy, R. Borys, C. McDade, “Investigations of the Physical and Chemical Properties of Free Tropospheric Ice Nuclei”, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract A51E-0844, 2004.

5. J. Jimenez, Q. Zhang, K. Dzepina, E. Dunlea, J.A. Huffman, D. Worsnop, M.R. Canagaratna, T. Onasch, H. Boudries, J.T. Jayne, R. Alfarra, J. Allan, H. Coe, K. Bower, F. Drewnick, S. Weimer, K. Demerjian, Concentrations, Time Variations, Size Distributions, and Mass Spectra of Primary and Oxygenated Organic Aerosols at Multiple Urban, Rural, and Remote Locations. Eos Trans. AGU, 85(47), Fall Meet., Abstract A53E-01, 2004.

6. Cziczo, D.J., "In Situ Studies of Particles Which Form Atmospheric Ice", NCAR Ice Initiation Workshop, Boulder, CO, June 2004.

6. Cziczo, D., P. DeMott, D. Thomson, D. Murphy, S. Brooks, M. Richardson, S. Kreidenweis, E. Dunlea, J. Jimenez, Single Particle Studies of Aerosol / Ice Cloud Interactions. Geophysical Research Abstracts, Vol. 7, 03592, European Geosciences Union, 2005.

7. DeMott, P. J., C. H. Twohy, A. J. Prenni, S. M. Kreidenweis, S. D. Brooks, and D. C. Rogers, Ice Nuclei Variability and Ice Formation in Mixed-phase Clouds, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract A33E-03, 2005.

8. Richardson, M., P. DeMott, S. Kreidenweis, A. Prenni, M. Petters, D. Cziczo, J. Jimenez, E. Dunlea, S. Brooks, J. Snider, D. Murphy, R. Borys, C. McDade, Measurements of heterogeneous ice nuclei: Results from INSPECT-II. American Association for Aerosol Research Annual Conf., Austin, TX, Pap. 8P177, 2005.

9. DeMott, P. J., A. J. Prenni, S. M. Kreidenweis, C. H. Twohy, and D. C. Rogers, Ice Nuclei Variability and Ice Formation in Mixed-phase Clouds, DOE-ARM Annual Science Team Meeting, Albuquerque, NM, March 27-30, 2006 (On web).

10. DeMott, P. J., A. J. Prenni, M. S. Richardson, S. M. Kreidenweis, C. H. Twohy, and D. C. Rogers, Ice nuclei variability, relation to ambient aerosol properties, and impacts on mixed-phase clouds, American Meteorological Society Conf. on Cloud Physics, Madison, WI, 2006 (On CD-ROM).

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