1958
DOI: 10.5928/kaiyou1942.14.47
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Measurements of Angular Distribution of Submarine Daylight by Means of a New Instrument

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Cited by 17 publications
(12 citation statements)
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“…A mirror located above the top opening of the metal cone could be adjusted to reflect a beam of light into the chamber where it was diffused by the lenses, white paper cone, ground glass diffuser and white walls of the metal cone and cylinder . The resulting ALDs inside the chamber, between the depths of 50 cm and 70 cm, are very close to the ALD measured by Sasaki et al (1960) in 5 m of ocean water exposed to direct sunlight (Fig . 5) .…”
Section: Experimental Chambersupporting
confidence: 56%
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“…A mirror located above the top opening of the metal cone could be adjusted to reflect a beam of light into the chamber where it was diffused by the lenses, white paper cone, ground glass diffuser and white walls of the metal cone and cylinder . The resulting ALDs inside the chamber, between the depths of 50 cm and 70 cm, are very close to the ALD measured by Sasaki et al (1960) in 5 m of ocean water exposed to direct sunlight (Fig . 5) .…”
Section: Experimental Chambersupporting
confidence: 56%
“…This contrast can provide a'beacon' for zooplankton orientation in the light field (Siebeck & Ringelberg 1969 ;Ringelberg 1964 ;Ringelberg et al 1975) . Sasaki's (1960) light vector diagram until the highest intensity was positioned at0°. The curves from O° towards 180° and from 360° towards 180° in the vertical plane including the sun were then calculated to obtain the 5 m ALD shown in this figure .…”
Section: Experimental Chambermentioning
confidence: 99%
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“…Jerlov and Fukuda (1960) made measurements down to 30 m in a vertical plane with a fixed azimuth orientation by guiding the instrument along a taut wire anchored in Gullmar Fjord. Sasaki et al (1958) built an instrument using a photomultiplier tube, and remotely controlled it to measure the horizontal angular distribution of underwater radiance. Sasaki et al (1958) built an instrument using a photomultiplier tube, and remotely controlled it to measure the horizontal angular distribution of underwater radiance.…”
Section: Historical Backgroundmentioning
confidence: 99%
“…Some instrumentation was developed to measure the underwater radiance distribution on lakes, fjords and oceans (Sasaki et al, 1958;Jerlov and Fukuda, 1960;Tyler, 1960;Lewis et al, 2011;Antoine et al, 2013). In this article, the authors present a new apparatus to operate in an underwater environment composed of an optical cable attached to a portable spectroradiometer.…”
Section: P U B L I S H E D B Y T H E I N T E R N a T I O N A L M E T mentioning
confidence: 99%