This $699,314 federal Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) to Texas A&M University will support research to develop new light-scattering modeling capabilities for inhomogeneous and roughened particles. The primary objectives are to: 1) Develop an analytical solution for two-layer spheroids, and 2) Modify and improve the Invariant Imbedding T-Matrix Method (IITM) - Physical-Geometric Optics Model (PGOM) approach to be more accurate and efficient for particles with roughened surfaces and other inhomogeneities. The anticipated outcomes will advance the understanding of how particle surface roughness and shape irregularity impact optical properties, with applications in areas such as remote sensing, radiative transfer simulations, and climate studies. The award period runs from Aug 1, 2024 to Jul 31, 2027 and includes training of an early-career researcher and graduate student.
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