Remote Sensing Applications and Decision Support

Flexible field goniometer system: the Goniometer for Outdoor Portable Hyperspectral Earth Reflectance

[+] Author Affiliations
Charles M. Bachmann, Marcos J. Montes, Deric Gray, Robert A. Fusina, Wei Chen

Naval Research Laboratory, Remote Sensing Division, 4555 Overlook Avenue, SW, Washington, D.C. 20375, United States

Andrei Abelev, Michael Vermillion

Naval Research Laboratory, Marine Geosciences Division, 4555 Overlook Avenue, SW, Washington, D.C. 20375, United States

William Philpot

Cornell University, School of Civil and Environmental Engineering, Ithaca, New York 14853, United States

Katarina Z. Doctor

Naval Research Laboratory, Remote Sensing Division, 4555 Overlook Avenue, SW, Washington, D.C. 20375, United States

George Mason University, Department of Geography and Geoinformation Science, Suite 2400, Exploratory Hall, 4400 University Drive, Fairfax, Virginia 22030, United States

Gordon Mattis

South Carolina Research Authority support to Marine Corps Forces Pacific Experimentation Center, Camp Smith, Hawaii 96861, United States

Scott D. Noble

University of Saskatchewan, College of Engineering, 57 Campus Drive, Saskatoon SK S7N 5A9, Canada

Craig Coburn

University of Lethbridge, Department of Geography, University of Lethbridge, 4401 University Drive West, Lethbridge AB T1K 3M4, Canada

Tom Corl, Lawrence Slomer

SpectraVista Corporation, 29 Firemen’s Way, Poughkeepsie, New York 12603, United States

C. Reid Nichols, Elena van Roggen

Marine Information Resources Corporation, 12337 Pans Spring Court, Ellicott City, Maryland 21042, United States

Roy J. Hughes

Defence Science and Technology Group, Maritime Division, Eveleigh, New South Wales 2015, Australia

Stephen Carr, Sergey Kharabash, Andrew Brady

Defence Science and Technology Group, National Security and ISR Division, Edinburgh, South Australia 5111, Australia

J. Appl. Remote Sens. 10(3), 036012 (Aug 10, 2016). doi:10.1117/1.JRS.10.036012
History: Received September 23, 2015; Accepted June 15, 2016
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Abstract.  This paper describes a portable hyperspectral goniometer system for measurement of hemispherical conical reflectance factor (HCRF) data for terrestrial applications, especially in the coastal zone. This system, the Goniometer for Portable Hyperspectral Earth Reflectance (GOPHER), consists of a computer-controlled Spectra Vista Corporation HR-1024 full-range spectrometer mounted on a rotating arc and track assembly, allowing complete coverage in zenith and azimuth of a full hemisphere for recording HCRF. The control software allows customized scan patterns to be quickly modified in the field, providing for flexibility in recording HCRF and the opposition effect with varying grid sizes and scan ranges in both azimuth and zenith directions. The spectrometer track can be raised and lowered on a mast to accommodate variations in terrain and land cover. To minimize the effect of variations in illumination during GOPHER scan cycles, a dual-spectrometer approach has been adapted to link records of irradiance recorded by a second spectrometer during the GOPHER HCRF scan cycle. Examples of field data illustrate the utility of the instrument for coastal studies.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Charles M. Bachmann ; Andrei Abelev ; Marcos J. Montes ; William Philpot ; Deric Gray, et al.
"Flexible field goniometer system: the Goniometer for Outdoor Portable Hyperspectral Earth Reflectance", J. Appl. Remote Sens. 10(3), 036012 (Aug 10, 2016). ; http://dx.doi.org/10.1117/1.JRS.10.036012


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