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Proceedings Paper

Ocean Color Measurements Utilizing A Noon Orbit For Earth Resources Satellite Applications
Author(s): R. Bruce Gerding; Keith R. Jenkin
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Paper Abstract

In the future, spacecraft dedicated to earth resources will carry an ocean color sensor as part of their payloads. It will be used to measure the spectral nature of upwelling scattered sunlight from beneath the sea surface at many spatial points across a swath. The spectral signatures of many oceanographic phenomena (e.g. chlorophyll content) are well known, allowing the data user to map their types and concentrations over the global ocean. Recent studies have been conducted which suggest that there may be advantages in placing the spacecraft in a near polar orbit such that the earth-sun line lies in the orbit plane (i. e. , a "noon" orbit) as opposed to a morning or afternoon orbit in which the sun is to one side of the orbit plane. For example, employing a noon orbit increases the coverage by a factor of two (i.e. a specific geographical location will be overflown twice as often). This paper discusses the noon orbit and its ramifications, including scene contrast, and glitter interference.

Paper Details

Date Published: 1 May 1972
PDF: 10 pages
Proc. SPIE 0027, Remote Sensing of Earth Resources and the Environment, (1 May 1972); doi: 10.1117/12.978135
Show Author Affiliations
R. Bruce Gerding, TRW Systems Group (United States)
Keith R. Jenkin, TRW Systems Group (United States)

Published in SPIE Proceedings Vol. 0027:
Remote Sensing of Earth Resources and the Environment
Yale H. Katz, Editor(s)

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