Transparency of Ocean Water*

F. A. Jenkins; I. S. Bowen

doi:10.1364/JOSA.36.000617

Journal of the Optical Society of America
Vol. 36,
Issue 11,
pp. 617-623
(1946)
•https://doi.org/10.1364/JOSA.36.000617

Transparency of Ocean Water

F. A. Jenkins and I. S. Bowen

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F. A. Jenkins and I. S. Bowen, "Transparency of Ocean Water*," J. Opt. Soc. Am. 36, 617-623 (1946)

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Date	Location	Depth of ocean (meters)	Visual ranges
Date	Location	Depth of ocean (meters)	1000-watt lamp	Secchi disk
7/31/41	5 mi. S of Coronados Islands	91	37	—
8/11/41	San Diego harbor	6	—	2
8/11/41	Tanner bank	27	—	26
8/11/41	32° 04^′ N 120° 10^′ W	3660	85	45
8/13/41	Off Catalina islands	550	61	—
8/28/41	San Diego harbor	6	5.5	—
9/18/41	33° 28^′ N 117° 44^′ W	736	76	24
10/10/41	32° 35^′ N 117° 18^′ W	95	62	—
10/11/41	32° 14^′ N 117° 31^′ W	1740	62	—
10/11/41	31° 52^′ N 117° 45^′ W	1560	62	—
10/11/41	31° 30^′ N 118° 00^′ W	1410	—	28
10/11/41	31° 05^′ N 118° 17^′ W	1370	—	30
10/11/41	30° 49^′ N 118° 25^′ W	2650	—	37
10/11/41	30° 31^′ N 118° 38^′ W	3380	—	40
10/11/41	29° 43^′ N 119° 10^′ W	3380	77	—
10/11/41	29° 20^′ N 119° 25^′ W	3660	81	—
10/12/41	28° 58^′ N 119° 40^′ W	3840	120	—
10/12/41	28° 57^′ N 119° 54^′W	3750	137	—
10/12/41	29° 07^′ N 120° 56^′ W	4080	—	30
10/12/41	29° 07^′ N 121° 24^′ W	4130	—	47
10/12/41	29° 07^′ N 122° 07^′ W	3930	—	48
10/12/41	28° 35^′ N 122° 46^′ W	4200	152	—
10/12/41	28° 51^′ N 122° 24^′ W	4160	152	—
10/13/41	29° 06^′ N 122° 04^′ W	4100	152	—
10/13/41	29° 23^′ N 121° 36^′ W	4020	157	—
10/13/41	30° 15^′ N 121° 00^′ W	4020	—	48
10/13/41	30° 35^′ N 120° 32^′ W	4080	—	46
10/13/41	30° 22^′ N 120° 15^′ W	4020	—	50
10/13/41	30° 52^′ N 119° 55^′ W	3660	128	—
10/13/41	31° 10^′ N 119° 10^′ W	3330	73	—
10/14/41	31° 29^′ N 118° 49^′ W	640	62	—
10/14/41	31° 42^′ N 118° 32^′ W	2060	93	—
10/14/41	31° 49^′ N 118° 22^′ W	1460	69	—

s	α + σ	σ	$λ = \frac{1}{α + σ}$	E_d	B₀
s	α + σ	σ	$λ = \frac{1}{α + σ}$	E_d	B₀	37	0.41	0.37	2.5 m	21.0 × 10⁻¹² lumen/cm²	35.0× 10⁻⁶ candle/cm²
62	0.24	0.20	4.1	7.5	4.5
72	0.21	0.17	4.8	5.2	2.3
85	0.18	0.14	5.6	3.6	1.0
150	0.10	0.06	10.1	1.6	Assumed zero

Date	Location	Depth of ocean (meters)	Visual ranges
Date	Location	Depth of ocean (meters)	1000-watt lamp	Secchi disk
7/31/41	5 mi. S of Coronados Islands	91	37	—
8/11/41	San Diego harbor	6	—	2
8/11/41	Tanner bank	27	—	26
8/11/41	32° 04^′ N 120° 10^′ W	3660	85	45
8/13/41	Off Catalina islands	550	61	—
8/28/41	San Diego harbor	6	5.5	—
9/18/41	33° 28^′ N 117° 44^′ W	736	76	24
10/10/41	32° 35^′ N 117° 18^′ W	95	62	—
10/11/41	32° 14^′ N 117° 31^′ W	1740	62	—
10/11/41	31° 52^′ N 117° 45^′ W	1560	62	—
10/11/41	31° 30^′ N 118° 00^′ W	1410	—	28
10/11/41	31° 05^′ N 118° 17^′ W	1370	—	30
10/11/41	30° 49^′ N 118° 25^′ W	2650	—	37
10/11/41	30° 31^′ N 118° 38^′ W	3380	—	40
10/11/41	29° 43^′ N 119° 10^′ W	3380	77	—
10/11/41	29° 20^′ N 119° 25^′ W	3660	81	—
10/12/41	28° 58^′ N 119° 40^′ W	3840	120	—
10/12/41	28° 57^′ N 119° 54^′W	3750	137	—
10/12/41	29° 07^′ N 120° 56^′ W	4080	—	30
10/12/41	29° 07^′ N 121° 24^′ W	4130	—	47
10/12/41	29° 07^′ N 122° 07^′ W	3930	—	48
10/12/41	28° 35^′ N 122° 46^′ W	4200	152	—
10/12/41	28° 51^′ N 122° 24^′ W	4160	152	—
10/13/41	29° 06^′ N 122° 04^′ W	4100	152	—
10/13/41	29° 23^′ N 121° 36^′ W	4020	157	—
10/13/41	30° 15^′ N 121° 00^′ W	4020	—	48
10/13/41	30° 35^′ N 120° 32^′ W	4080	—	46
10/13/41	30° 22^′ N 120° 15^′ W	4020	—	50
10/13/41	30° 52^′ N 119° 55^′ W	3660	128	—
10/13/41	31° 10^′ N 119° 10^′ W	3330	73	—
10/14/41	31° 29^′ N 118° 49^′ W	640	62	—
10/14/41	31° 42^′ N 118° 32^′ W	2060	93	—
10/14/41	31° 49^′ N 118° 22^′ W	1460	69	—

s	α + σ	σ	$λ = \frac{1}{α + σ}$	E_d	B₀
s	α + σ	σ	$λ = \frac{1}{α + σ}$	E_d	B₀	37	0.41	0.37	2.5 m	21.0 × 10⁻¹² lumen/cm²	35.0× 10⁻⁶ candle/cm²
62	0.24	0.20	4.1	7.5	4.5
72	0.21	0.17	4.8	5.2	2.3
85	0.18	0.14	5.6	3.6	1.0
150	0.10	0.06	10.1	1.6	Assumed zero

Abstract

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Figures (4)

Tables (2)

Equations (11)

Journal of the Optical Society of America