PhD Proposal: Rachel Smith
Location
Physics : 401
Date & Time
January 25, 2024, 2:00 pm – 5:00 pm
Description
ADVISOR: Dr. J. Vanderlei Martins
TITLE: Advancing Polarimetric Remote Sensing of Cloud Properties: Novel Algorithm Development, Validation, and Applications
ABSTRACT: This proposal presents a comprehensive study on the development, validation, and application of a novel look-up table (LUT) algorithm for the simultaneous retrieval of liquid cloud droplet effective radius and effective variance using multiangular polarimetric measurements. The proposed method is expected to enhance the precision of cloud droplet size distribution retrievals and contribute to the understanding of cloud microphysics in the inter-cloud region where there are currently no available retrieval products. The characterization of this poorly understood region is essential for understanding cloud microphysical processes and quantifying contributions to radiative forcing. The Hyperspectral Image Projector (HIP) will provide a high-resolution spectral input for the Airborne Hyper Angular Rainbow Polarimeter (AirHARP) 2 instrument to experimentally validate the retrieval algorithm using data from the Research Scanning Polarimeter (RSP). The HARP suite of instruments are scheduled for deployment in a series of upcoming airborne and spaceborne remote sensing missions, underscoring the relevance and timeliness of this research. This proposal, therefore, represents a significant stride in atmospheric remote sensing, with the potential to substantially advance our understanding of cloud microphysics and their impact on Earth's climate system.
TITLE: Advancing Polarimetric Remote Sensing of Cloud Properties: Novel Algorithm Development, Validation, and Applications
ABSTRACT: This proposal presents a comprehensive study on the development, validation, and application of a novel look-up table (LUT) algorithm for the simultaneous retrieval of liquid cloud droplet effective radius and effective variance using multiangular polarimetric measurements. The proposed method is expected to enhance the precision of cloud droplet size distribution retrievals and contribute to the understanding of cloud microphysics in the inter-cloud region where there are currently no available retrieval products. The characterization of this poorly understood region is essential for understanding cloud microphysical processes and quantifying contributions to radiative forcing. The Hyperspectral Image Projector (HIP) will provide a high-resolution spectral input for the Airborne Hyper Angular Rainbow Polarimeter (AirHARP) 2 instrument to experimentally validate the retrieval algorithm using data from the Research Scanning Polarimeter (RSP). The HARP suite of instruments are scheduled for deployment in a series of upcoming airborne and spaceborne remote sensing missions, underscoring the relevance and timeliness of this research. This proposal, therefore, represents a significant stride in atmospheric remote sensing, with the potential to substantially advance our understanding of cloud microphysics and their impact on Earth's climate system.
