Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
Online ISSN : 2185-4688
ISSN-L : 2185-4688
Annual Journal of Civil Engineering in the Ocean Vol.31
HYDROGRAPHIC STRUCTURES OF YATSUSHIRO-KAI, KYUSHU, JAPAN OBSERVED BY TEN-YEAR SURVEYS CONDUCTED BY “KAIKI” AND “KAIKOU” OF MLIT
Akihiro TADAKUMATatsumi KOUFUKUKiyoshi TAKIKAWAToshihiro YOKOTEYasuhiro OKUMURAKatsuya ODAToru KOBORI
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2015 Volume 71 Issue 2 Pages I_491-I_496

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Abstract
 Hydrographic features of Yatsushiro-Kai, a semi-enclosed embayment in Kyushu, Japan, observed by a 10-year environmental monitoring between 2004 and 2013 by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), were closely examined. Stratification was stronger in the inner-most area than the middle where Kuma-River supplies a large amount of fresh water. Spatial characteristics of environment of Yatsushiro-Kai could be classified into nine categories, applying cluster analyses to bottom sediment and benthic community. One of the results of these analyses was shown that distribution of the benthic communities and the bottom sediment qualities was complex, especially in the inner-most area.
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© 2015 Japan Society of Civil Engineers
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