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Remote sensing of phytoplankton density and diversity in Narragansett Bay using an airborne fluorosensorAn aircraft-borne remote system is presented that utilizes narrow-band light from multiple dye lasers to excite selected algae photopigments and then measures the resultant flourescence emitted from chlorophyll a at 685 nm. Tests were conducted with both pure and mixed cultures of marine algae from a series of field tests taken from piers and bridges of Narragansett Bay, and a prototype remote fluorosensor was flown over the Bay during the 1978 winter-spring diatom bloom. Remote fluorescence obtained at hover points over sea-truth stations showed correlations with in situ fluorescence, total chlorophyll a, and cell count. It was concluded that the ratio of remote fluorescence to direct chlorophyll a concentration was less variable than expected, and the distribution of total chlorophyll a between two major photoplankton color groups showed three distinct areas, within the Bay, of green and golden-brown species.
Document ID
19790065334
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Farmer, F. H.
(NASA Langley Research Center Hampton, VA, United States)
Brown, C. A., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Jarrett, O., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Campbell, J. W.
(NASA Langley Research Center Hampton, VA, United States)
Staton, W. L.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1979
Subject Category
Earth Resources And Remote Sensing
Meeting Information
Meeting: International Symposium for Remote Sensing of Environment
Location: Ann Arbor, MI
Start Date: April 23, 1979
End Date: April 27, 1979
Accession Number
79A49347
Distribution Limits
Public
Copyright
Other

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