Algae, Ultraviolet Light, and the Production of Trace Gases

Algal cultures were exposed, with- and without-mylar films as UV absorbers, to various sunlight intensities: gas chromatographic techniques were then used to analyze the cultures for CO and C sub 1 and C sub 4 hydrocarbons. CO was the most abundant gas and its production was fostered by both high vi...

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Bibliographic Details
Main Authors: Hannan,P J, Lamontagne,R A, Swinnerton,J W, Patouillet,C
Format: Report
Language:English
Subjects:
ALGAE
ATMOSPHERIC CHEMISTRY
Atmospheric Physics
Biochemistry
CARBON MONOXIDE
Chaetoceros galvestonensis
Cyclotella nana
GAS CHROMATOGRAPHY
HYDROCARBONS
INTENSITY
LIGHT
light hydrocarbons
LPN- NRL-G02-04
LPN-NRL-G04-01
Microbiology
OXIDATION
OZONE
PHOTOSYNTHESIS
POLYETHYLENE TEREPHTHALATE
POLYMERIC FILMS
SOLAR RADIATION
SUNLIGHT
TRACE GASES
ULTRAVIOLET RADIATION
UV-B radiation
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Summary:Algal cultures were exposed, with- and without-mylar films as UV absorbers, to various sunlight intensities: gas chromatographic techniques were then used to analyze the cultures for CO and C sub 1 and C sub 4 hydrocarbons. CO was the most abundant gas and its production was fostered by both high visible and UV-B intensities. When the UV-B was absorbed by mylar, even at low light intensities, there was a significant decrease in CO production. (Author)