Temporal analysis of suspended solid in Tokyo Bay by Landsat data |
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Authors: | J Iisaka S Saitoh A Koide I Asanuma Y Sasaki K Muneyama |
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Institution: | 1. Tokyo Scientific Center, IBM Japan Ltd., Roppongi, Tokyo, 105 Japan;2. Faculty of Fisheries, Hokkaido University, Kakodate, 041 Japan;3. Japan Marine and Science Technology Center, Yokosuka, 237 Japan |
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Abstract: | The amount of suspended solid (S.S.) discharged from Tokyo metropolitan area is estimated by use of multi-temporal Landsat data from 1979 to 1980. The method to estimate S.S. was verified with sea truth data which was observed with Landsat passes covering Tokyo Bay. The radiometric information is normalized against seasonal change of sun illuminations and atmospheric conditions. Path radiance estimation methods were discussed, because its effects are very sensitive to the estimation of S.S. concentration by Landsat MSS data. Temporal changes of S.S. distribution was also interpreted. |
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