392
Chemical Oceanography, 4th Edition
Chlorophyll (µgm L
–1
)
0
1
2
3
4
5
Total
Size Fractions (µm)
F
v /F
m
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Total
<1
1–3
3–5
5–10
10–18
<1
<3
<5
<10
<18
Figure 9.19
Changes in the photosynthetic energy conversion efficiency (Fv/ Fm) and chlorophyll after the addition of Fe.
Delta
–15
–10
–5
0
5
10
15
2.8 µM
0.41 µg L
–1
12.23 µgC L
–1 day
–1
–2 µM
–6 µM
–13 µatm
PP
O 2
Chl.
x10
TA
TCO 2
pCO 2
Figure 9.20
Changes in the chemical parameters in the surface waters 3 days after the addition of Fe.
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