Project Grant 2420751

Award Date 9/1/24
Completion Date 8/31/27
Dollars Obligated $892K
Federal Grant Program
47.050
Assistance Type
Project Grant
Place of Performance
Pittsburgh, PA 15213, USA
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This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support fundamental research on atmospheric particle nucleation and growth under conditions found in the free troposphere. The $356,844 award to Carnegie Mellon University will investigate the interactions between oxidized organic compounds and inorganic acids leading to new-particle formation in the cold upper troposphere, as well as the low-temperature growth of particles through the...
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This National Science Foundation (NSF) Geosciences Program (CFDA 47.050) Project Grant award of $891,928 to Carnegie Mellon University (CMU) supports research to improve the understanding of global aerosol concentrations and composition. Key objectives include:

  1. Building a global network of U.S. embassy partners and local stakeholders to enable worldwide data analysis and interpretation of aerosol measurements.

  2. Quantifying concentrations and temporal trends of major inorganic ions, black carbon, and organic aerosol at over 15 embassy locations globally, with a focus on under-sampled regions like the Global South.

  3. Determining aerosol sources at embassy locations and comparing source profiles to those in the Global North.

  4. Evaluating the performance of global models and satellite products using the new ground-based dataset.

The award period is from Sep 1, 2024 to Aug 31, 2027. This research will develop a high temporal resolution, global dataset of aerosols from under-sampled regions to support improved decision-making for affected communities worldwide.

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