熱赤外画像に見る鹿児島湾北部河川水の広がり Study of River Water Expansion in the Inner Kagoshima Bay by the Infrared Remote Sensing

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River water expansion (RWE) into a semi-enclosed coastal bay is one of the important elements for the environmental situation of the bay. In order to know RWE in the inner Kagoshima Bay, 16 images of the Landsat-5/TM band 6 are examined. These images are investigated in relation the tidal situation, the water amount of Amori river, the wind direction and the wind speed. Numerical simulation of tidal residual flow is also performed. The main results are as follows ; i) The river water normally assimilates to sea water in about 4 to 6.5 km off from the mouth of the river. ii) The area of RWE is affected by the wind speed during 17 hours before, especially 9 to 15 hours. iii) The direction of RWE is mainly westwards following the constant sea surface flow. iv) At the western region of the inner bay, the front of river water tends to appear in a form parallel to the north-west coast. v) When the amount of river water is large, it is difficult to distinguish the river water from the surrounding sea water. vi) Numerical simulation qualitatively explains the characteristics of RWE.

収録刊行物

  • 日本リモートセンシング学会誌 = Journal of the Remote Sensing Society of Japan

    日本リモートセンシング学会誌 = Journal of the Remote Sensing Society of Japan 19(2), 149-161, 1999-06-30

    The Remote Sensing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10003791204
  • NII書誌ID(NCID)
    AN10035665
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02897911
  • NDL 記事登録ID
    4807079
  • NDL 雑誌分類
    ZM15(科学技術--科学技術一般--測定・測定器)
  • NDL 請求記号
    Z14-1022
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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