Project Grant 2317630

Award Date 8/1/23
Completion Date 7/31/26
Dollars Obligated $432K
Federal Grant Program
47.050
Assistance Type
Project Grant
Place of Performance
Raleigh, NC 27695, USA
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This Project Grant, awarded by the National Science Foundation (NSF) Division of Atmospheric and Geospace Sciences under the Geosciences program (CFDA 47.050), supports experimental and theoretical research to improve understanding of the dry deposition velocity of particles in the atmosphere. The $432,369.00 award to North Carolina State University will fund the following key activities over a 3-year period from August 1, 2023 to July 31, 2026:

  1. Conduct chamber measurements to assess the effects of aerosol size, phase, and shape on dry deposition velocity;
  2. Optimize techniques for measuring black carbon from filter extracts;
  3. Carry out ambient measurements of refractory black carbon turbulent fluxes and filter deposition; and
  4. Improve the analytical formulation used in models for aerosol dry deposition.

The project also includes developing a 5-week meteorology and air quality instrumentation seminar for undergraduate students. The research aims to reduce uncertainties in the representation of aerosol dry deposition velocity, which is critical for improving air quality and climate models.

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