Assessment of dam removal from geochemical examination of Kuma River sediment, Kyushu, Japan.


The aim of this study was to determine if Arase dam gate removal and flushing elevated concentrations of any trace elements in Kuma River and Yatsushiro Bay sediments or caused riverine environmental change. The Arase dam gate on the Kuma River was opened in April 2010. Surface and bottom sediments were compared using 10-cm-long cores (2011) and two grain… (More)
DOI: 10.1007/s10661-014-4002-4


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