Syllabus
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Primary Productivity Experiment
Primary Productivity in the James River near Hopewell 9 Nov 2000
Depth m
Initial DO ppm
Light DO ppm
Dark DO ppm
Gross Productivity ppm
Net Productivity ppm
Respiration ppm
mg C fix/L
% Sat C initial
Excel
c_-d_
b_-e_
b_-d_
f_*0.698*0.536
nomograph
0
5.1
5.0
5.0
0
5.1
0.1
1.91
1
3.6
11.2
5.3
2.9
0.7
-1.7
0.26
2
5.1
8.3
5.3
6.0
-0.9
-0.2
-0.34
4
4.6
7.6
6.5
1.1
3.5
-1.9
1.31
Primary Productivity in the James River near Hopewell 16 Oct 1999
Depth m
Initial DO ppm
Light DO ppm
Dark DO ppm
Gross Productivity ppm
Net Productivity ppm
Respiration ppm
mg C fix/L
% Sat C initial
Excel
c_-d_
b_-e_
b_-d_
f_*0.698*0.536
nomograph
0.5
2.7
3
2
1
1.7
0.7
0.64
27
1
2.23
2.5
1.85
0.65
1.52
0.38
0.59
22
1.5
2.25
1.9
1.85
0.05
2.2
0.4
1.82
22.5
2
1.19
2.1
1.8
0.3
0.89
-0.61
0.33
12
9
1.18
3
1.9
1.1
0.08
-0.72
0.02
11
