Variability of the sea surface temperature obtained by the statistical analysis of AVHRR imagery |
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Authors: | Yutaka Isoda Sei-ichi Saitoh |
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Institution: | (1) Department of Ocean Engineering, Ehime University, Bunkyo 3, 790 Matsuyama, Japan;(2) Research Institute, Japan Weather Association, Kaiji Center Bldg., 5, 4-chome, Kojimachi, Chiyoda-ku, 102 Tokyo, Japan |
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Abstract: | A simple statistical method based on arithmetic mean and corresponding variance is proposed for analysis of a time series
of NOAA-8 satellite Advanced Very High Resolution Radiometer (AVHRR) images. We focused on the characteristics of temporal
and spatial variabilities of sea surface temperature depending on mesh sizes used for the statistics. By applying this method
to several images of the south Japan Sea in spring of 1984, we could clarify some natures of eddies which cannot be recognized
only by one image. They include life time and spatial scale of eddies. |
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Keywords: | |
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