Atmospheric Chemistry | Apply Online

Opportunity Summary:

The National Science Foundation (NSF) grant opportunity titled Atmospheric Chemistry (Funding Opportunity Number PD 98 1524) supports scientific research aimed at understanding the composition of the atmosphere and the processes that control it. The focus is on both measuring and modeling the concentration and distribution of atmospheric gases and aerosols, especially in the lower and middle atmosphere. In practical terms, this program is meant to advance what is known about the chemical makeup of the air, how that makeup changes over time and space, and what physical and chemical mechanisms drive those changes.

A central theme of the opportunity is atmospheric chemical processes, including the reactions that occur among different atmospheric species. This includes studying how trace gases and aerosols are created, transformed, and removed, with attention to their sources and sinks. Research can address natural and human-driven emissions, chemical transformation pathways in the atmosphere, and the mechanisms by which compounds are ultimately taken out of the atmosphere through deposition or other removal processes. The opportunity also highlights aqueous-phase atmospheric chemistry, meaning chemical reactions that take place in liquid water present in the atmosphere such as cloud droplets, fog, or wet aerosol particles, which can strongly influence oxidation chemistry, secondary aerosol formation, and the lifetimes of key pollutants and climate-relevant species.

The program also supports work on atmospheric transport, recognizing that winds, convection, mixing, and large-scale circulation move gases and aerosols across regions and altitudes. This transport can link emissions in one location to air quality and climate effects elsewhere, and it complicates efforts to attribute observed concentrations to specific sources. As a result, projects that connect chemistry with meteorology and atmospheric dynamics, including observational and modeling approaches that capture transport pathways and mixing processes, fit well within the scope described.

Another major emphasis is the development and improvement of measurement methods. NSF is explicitly interested in better ways to measure concentrations of trace species and to quantify their fluxes into and out of the atmosphere. This can include improved instrumentation, calibration methods, field-deployable sensors, laboratory techniques, and analytical approaches for detecting low-abundance compounds, characterizing aerosol properties, and measuring exchange processes such as emission fluxes, deposition fluxes, and air-surface interactions. Overall, the intent is to strengthen the observational foundation needed to test theories, validate models, and reduce uncertainty in atmospheric chemistry predictions.

Administratively, this is a discretionary NSF grant program in the Science and Technology and other Research and Development activity category, listed under CFDA 47.050 (Geosciences). There is no cost sharing or matching requirement noted. Proposals are accepted anytime, meaning there is no fixed annual deadline specified in the summary provided, and submissions can be made on an ongoing basis according to NSF procedures and any related program guidance. Eligibility is listed as unrestricted, open to any type of entity, subject to any additional eligibility clarifications in the full program description. The opportunity was posted and created on March 13, 2015, and remains open with rolling acceptance.

For applicants who need the full program details, the listing references an additional information link to the NSF Program Description for PD 98 1524. For technical issues accessing the announcement electronically, the contact provided is NSF grants.gov support at grantsgovsupport@nsf.gov, and the notice also mentions contacting NSF if there are problems linking to the funding announcement.

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