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Figure 8 - click on individual figures to enlarge.
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SCIMS meets the low-flying NOAA LongEZ experimental
aircraft (upper left) during a spatial survey in the recent ONR CBLAST-LOW
Pilot Experiment off Martha’s Vineyard, Massachusetts (July-August,
2001). CDOM fluorescence was used as a proxy for surfactants enriched
in the microlayer. The CDOM surface excess as ppb q.s. (quinine sulfate
external standard) during two legs of a SCIMS CBLAST-Low deployment
(lower left) illustrates the patchiness of surface film conditions
along the transect in light winds. Over large scales (1-2 km), decreasing
and increasing surface enrichment trends were observed for the southwestward
leg (Leg 1) and southeastward leg (Leg 2), respectively. Variations
in patchiness over smaller spatial scales are evident from the periodogram
(lower right), after detrending the time series. The histogram (upper
right) of CDOM surface excess shows surface enrichments generally
below 0.04 ppb q.s. but ranging as high as 0.23 ppb q.s.
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