Linking goniometer measurements to hyperspectral and multisensor imagery for retrieval of beach properties and coastal characterization

Charles M. Bachmann; Deric Gray; Andrei Abelev; William Philpot; Marcos J. Montes; Robert Fusina; Joseph Musser; Rong-Rong Li; Michael Vermillion; Geoffrey Smith; Daniel Korwan; Charlotte Snow; W. David Miller; Joan Gardner; Mark Sletten; Georgi Georgiev; Barry Truitt; Marcus Killmon; Jon Sellars; Jason Woolard; Christopher Parrish; Art Schwarzscild

doi:10.1117/12.918464

9 May 2012 Linking goniometer measurements to hyperspectral and multisensor imagery for retrieval of beach properties and coastal characterization

Charles M. Bachmann, Deric Gray, Andrei Abelev, William Philpot, Marcos J. Montes, Robert Fusina, Joseph Musser, Rong-Rong Li, Michael Vermillion, Geoffrey Smith, Daniel Korwan, Charlotte Snow, W. David Miller, Joan Gardner, Mark Sletten, Georgi Georgiev, Barry Truitt, Marcus Killmon, Jon Sellars, Jason Woolard, Christopher Parrish, Art Schwarzscild

Author Affiliations +

Proceedings Volume 8390, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVIII; 83901D (2012) https://doi.org/10.1117/12.918464
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

In June 2011, a multi-sensor airborne remote sensing campaign was flown at the Virginia Coast Reserve Long Term Ecological Research site with coordinated ground and water calibration and validation (cal/val) measurements. Remote sensing imagery acquired during the ten day exercise included hyperspectral imagery (CASI-1500), topographic LiDAR, and thermal infra-red imagery, all simultaneously from the same aircraft. Airborne synthetic aperture radar (SAR) data acquisition for a smaller subset of sites occurred in September 2011 (VCR'11). Focus areas for VCR'11 were properties of beaches and tidal flats and barrier island vegetation and, in the water column, shallow water bathymetry. On land, cal/val emphasized tidal flat and beach grain size distributions, density, moisture content, and other geotechnical properties such as shear and bearing strength (dynamic deflection modulus), which were related to hyperspectral BRDF measurements taken with the new NRL Goniometer for Outdoor Portable Hyperspectral Earth Reflectance (GOPHER). This builds on our earlier work at this site in 2007 related to beach properties and shallow water bathymetry. A priority for VCR'11 was to collect and model relationships between hyperspectral imagery, acquired from the aircraft at a variety of different phase angles, and geotechnical properties of beaches and tidal flats. One aspect of this effort was a demonstration that sand density differences are observable and consistent in reflectance spectra from GOPHER data, in CASI hyperspectral imagery, as well as in hyperspectral goniometer measurements conducted in our laboratory after VCR'11.

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Charles M. Bachmann, Deric Gray, Andrei Abelev, William Philpot, Marcos J. Montes, Robert Fusina, Joseph Musser, Rong-Rong Li, Michael Vermillion, Geoffrey Smith, Daniel Korwan, Charlotte Snow, W. David Miller, Joan Gardner, Mark Sletten, Georgi Georgiev, Barry Truitt, Marcus Killmon, Jon Sellars, Jason Woolard, Christopher Parrish, and Art Schwarzscild "Linking goniometer measurements to hyperspectral and multisensor imagery for retrieval of beach properties and coastal characterization", Proc. SPIE 8390, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVIII, 83901D (9 May 2012); https://doi.org/10.1117/12.918464

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