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Analysis of seasonal change for water conditions in Lake Hosenko, Japan, using ALOS AVNIR‐2 data
Author(s) -
Kageyama Yoichi,
Miura Kenichi,
Nishida Makoto,
Ishiyama Daizo
Publication year - 2012
Publication title -
ieej transactions on electrical and electronic engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.254
H-Index - 30
eISSN - 1931-4981
pISSN - 1931-4973
DOI - 10.1002/tee.21720
Subject(s) - environmental science , radiometer , satellite , remote sensing , climatology , meteorology , hydrology (agriculture) , geology , geography , engineering , geotechnical engineering , aerospace engineering
This letter reports the development of a technique to understand the water conditions appearing in the Advanced Land Observing Satellite Advanced Visible and Near Infrared Radiometer type‐2 (ALOS AVNIR‐2) data using fuzzy c‐means. Also, waters of Lake Hosenko, into which the Tamagawa hot spring flows, were analyzed because the lake contains amorphous iron hydroxide. On the basis of the experimental results for the months of September and May data obtained by the proposed method, it is found that seasonal differences in the water surface conditions of the lake are caused by the changes in the amount of water as well as the water temperature. © 2011 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.