USGS: Science Topics: optical methods

Science Topics

Optical methods

Measurement of light transmission or reflectance in the field to estimate, for example, the density of suspended sediment in water bodies.

Subtopics:
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Results 1 - 3 of 3 listed by similarity [list alphabetically]

Optical Science Laboratory [New Window]: Site for the Optical Science Laboratory specializing in expert calibration of aerial mapping cameras with links to fees, scheduling cameras for calibration, historical camera database files, USGS aerial camera specifications, and how to visit.
Environmental studies of the World Trade Center area after the September 11, 2001 attack [New Window]: Report describing the results of an interdisciplinary environmental study of the World Trade Center (WTC) area after the attack on September 11, 2001. The investigations included imaging spectroscopy mapping and laboratory analysis.
Summary of suspended-sediment concentration data, San Francisco Bay, California, water year 2000 [New Window]: Suspended-sediment concentration data were collected in San Francisco Bay during water year 2000 using optical backscatterance sensors and water samples. This report presents the data-collection methods, data, and calibration plots.

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