A Laboratory Study of Spontaneous Ice Nucleation in         Supercooled Aqueous Solution Drops
{'Code': '06020102', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'AGS', 'LongName': 'Div Atmospheric & Geospace Sciences'}}
{'SignBlockName': 'Robert W. Taylor', 'PO_EMAI': None, 'PO_PHON': None}
Experimental evidence from both the atmosphere and the                     laboratory indicates that the presence of solutes can suppress                  the spontaneous ice nucleation rate in supercooled aqueous                      solution drops.  We propose to study this phenomenon in the                     laboratory under atmospheric conditions, with complementary field               and theoretical studies.  The proposed laboratory measurements                  will be made in the University of Missouri Cloud Simulation                     Facility, using methods previously developed for ice nucleation                 studies in pure water drops.  The solutes for the study will be                 derived from the CCN used to form the liquid drops.  These                      aerosols will include both laboratory generated aerosols and                    those collected by aircraft from atmosphere.  Ice crystal                       collections will be used for growth habit studies and air filter                samples will be used for chemical analysis.  Complementary                      aerosol deliquescence studies at low temperature will be made so                that theoretical models can correctly treat the onset of the                    condensation process in a rising parcel of air.//
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{'Name': 'Missouri University of Science and Technology', 'CityName': 'ROLLA', 'ZipCode': '654091330', 'PhoneNumber': '5733414134', 'StreetAddress': '300 W. 12TH STREET', 'StreetAddress2': '202 CENTENNIAL HALL', 'CountryName': 'United States', 'StateName': 'Missouri', 'StateCode': 'MO', 'CONGRESSDISTRICT': '08', 'CONGRESS_DISTRICT_ORG': 'MO08', 'ORG_UEI_NUM': 'Y6MGH342N169', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF MISSOURI SYSTEM', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '1522', 'Text': 'PHYSICAL METEOROLOGY'}
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