Multiwavelength laser induced fluorescence of algae in-vivo - A new remote sensing techniqueIn order to accurately determine the quantity of chlorophyll a in living algae by fluorescence spectrometry, either remotely or in the laboratory, the fluorescence excitation cross section must be known. Laboratory fluorescence studies of a number of different algae species representative of the various color groups were performed. These measurements indicate distinct maximum spectral excitation regions which differ from one color group to another. Within each color group, however, the fluorescent properties were nearly identical, regardless of species. These two key features - namely, the similarity of fluorescent properties within a color group, and the distinct spectral differences between color groups - make possible the simultaneous determination of chlorophyll a content of an unknown mixture of phytoplankton and the distribution of chlorophyll a among the various color groups.
Document ID
19740046957
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Mumola, P. B.
Jarrett, O., Jr.
Brown, C. A., Jr. (NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1973
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: Joint Conference on Sensing of Environmental Pollutants