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Field Spectroradiometry :: Spectral Libraries :: Hardware :: Publications :: Gallery

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Field Spectroradiometry Image Gallery Note: All images should be credited to the University of Wisconsin Environmental Remote Sensing Center.

People using field spectroradiometers

	Graduate student Scott Peckham (left) and Dr. Timothy P. Olsen (right) using a dual field spectroradiometer system to measure downwelling and upwelling spectral radiance, Lake Monona, Madison, Wisconsin. [JPEG, 1502 kb]
	Graduate student Scott Peckham (left) and Dr. Timothy P. Olsen (right) using a dual field spectroradiometer system to measure downwelling and upwelling spectral radiance, Lake Monona, Madison, Wisconsin. [JPEG, 1596 kb]
	Graduate student Mark Nordheim demonstrating the use of a field spectroradiometer for a group of Wisconsin middle school students. [JPEG, 904 kb]
	Graduate student Mark Nordheim taking water quality samples on Squaw Lake, Oneida County, Wisconsin. [JPEG, 793 kb]
	Graduate student Mark Nordheim using an Ocean Optics spectroradiometer system to measure optical properties of Squaw Lake, Oneida County, Wisconsin. [JPEG, 665 kb]
	Summer undergraduate student Nick Christianson taking water quality and spectroradiometer data on lakes in northern Wisconsin. [JPEG, 473 kb]
	Visiting student Melvin Mattocks, from North Carolina, calibrating an ASD spectroradiometer. [JPEG, 222 kb]

Equipment

	Equipment for water quality sampling, used during a field campaign to survey the optical properties of lakes in northern Wisconsin. [JPEG, 295 kb]
	An ASD hand-held field spectroradiometer, used for measuring the spectral reflectance properties of lakes. [JPEG, 467 kb]
	A Secchi disk, used to visually estimate the transparency of water. [JPEG, 40 kb]

Sample Spectra

	Downwelling solar irradiance and upwelling reflected radiance (superimposed on color image of spectrum).[JPEG, 67 kb]
	Reflectance spectra for Lake Wingra, Wisconsin, acquired above and below the air/water interface (superimposed on color image of spectrum).[JPEG, 70 kb]
	Reflectance spectra for Lake Wingra, Wisconsin, acquired above and below the air/water interface.[JPEG, 65 kb]
	Reflectance spectra for Lake Wingra, Wisconsin, comparing reflectace at the surface and from within the water column.[JPEG, 62 kb]