1200 y = 20x
y = 8x
400 y = 20x
y = 4x
y = 2x
1000
0−200 m integrated chlorophyll (mg m-2)
800
400
Bio-prof. #3 & #4
scale
Bio-profiler #1
0 Bio-prof. #2 500
scale
200
y = 20x
y = 4x
1000
1500
y = 2x
y=x
y = 8x
150
y = 2x
y=x
250
600
0
y = 4x
300
y=x
200
y = 8x
350
0−200 m integrated chlorophyll (mg m-2)
a)
100
MLD (m)
200
140
150
120
100
50
0
400
Bio-profiler #3
0
100
200
300
400
100
500
y = 20x
y = 8x
350
y = 4x
y = 2x
60
y=x
300
40
250
20
200
150
50
Bio-profiler #2
0 0
50
100
150
200
0
250
Surface chlorophyll × MLD (mg m-2)
b)
0
100
50
Bio-profiler #4
0
100
200
300
14
Bio-profiler #1
X factor
12
Bio-profiler #2
10
Bio-profiler #3
8
Bio-profiler #4
6
Night profiles
y=1
2
0
0
20
40
60
80
100
Mixed layer depth (m)
120
400
Surface chlorophyll × MLD (mg m-2)
16
4
140
80
160
Corrected day profiles
500