Theory of satellite observation of the sea bottom in coastal waters: maximal sighting range and resolution

Lev S. Dolin; Iosif M. Levin

doi:10.1117/12.190106

26 October 1994 Theory of satellite observation of the sea bottom in coastal waters: maximal sighting range and resolution

Lev S. Dolin, Iosif M. Levin

Author Affiliations +

Proceedings Volume 2258, Ocean Optics XII; (1994) https://doi.org/10.1117/12.190106
Event: Ocean Optics XII, 1994, Bergen, Norway

Abstract

The paper deals with some aspects of the underwater imaging theory. The first effect discussed is the increasing of sighting range of sea bottom with an observer's altitude over the sea surface. Calculations show that the maximal sighting range from the space under the most favorable conditions does not exceed 500 meters. Secondly, the dependence of the sighting range and the resolution on size of target elements and target itself is considered. It is shown that the apparent contrast of target elements equal in size is higher for smaller targets. Computations prove the nonmonotone dependence of contrast on distance between the observer and the target. Finally, we consider the possibility of observation of the ocean bottom in coastal waters through clouds and show that large details of the bottom, such as sand spots against the seaweeds background, can be seen through continuous clouds with an optical thickness under 10.

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Lev S. Dolin and Iosif M. Levin "Theory of satellite observation of the sea bottom in coastal waters: maximal sighting range and resolution", Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); https://doi.org/10.1117/12.190106

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