Figure 10. (a) Chlorophyll distribution (from fluorescence) near the front and
in the Rhizosolenia patch. The location of the patch is arbitrarily
taken here to be 2.00
N, and all data are plotted relative to this.
Vertical bars near the patch are from CTD fluorometer data, horizonal bar at
the sea surface is from continuous flow-through analysis [Balch and
Kilpatrick, 1996], and sections on either side of the front are from UOR
[Aiken and Bellan, 1990]. The patch chlorophyll concentration ranged
from 2.4 to 4.4 mg m-3, and extended to the depth of the patch mixed
layer. The actual Rhizosolenia mat was buoyant enough to be confined
within a few centimeters of the sea surface, and is not resolved by any of
these techniques. (b) Aircraft LICF (Laser induced chlorophyll fluorescence)
at 140 W, taken on August 25th.