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 1.2
THEORETICAL EXTINCTION OF
680nm LIGHT
1.0
0.8
0.6
Vertical Absorption Coefficient = .455
0.4
for 680 nm.
0.2
0.0
0
500
1000
1500
2000
Depth (cm)
Figure 1.2.5. The extinction of light in pure water. This extinction pattern
may be altered where other light absorbing substances are dissolved in the
water.
1.2-13
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