Doboku Gakkai Ronbunshu
Online ISSN : 1882-7187
Print ISSN : 0289-7806
ISSN-L : 0289-7806
FIELD OBSERVATIONS OF SEA-SALT QUANTITY TRANSPORTED FROM A WAVE-ABSORBING SEAWALL BY WINTER MONSOON
Nobuhiro MATSUNAGAMasashi KODAMAMisao HASHIDAOsamu KATSUKI
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2002 Volume 2002 Issue 712 Pages 107-116

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Abstract
Field observations of sea salt quantity transported by winter monsoon have been performed on a reclaimed land facing Japan Sea The landward transported sea-salt quantity and the deposit rate have been estimated quantitatively and their leeward profiles have been normalized by introducing the representative scales. Especially, the normalization gives us an empirical expression for the deposit rates by winter monsoon and Typhoon 9117. The transported sea-salt quantity decreases rapidly in the dimensionless distance less than 25 because of the settling of sea-salt particles. The representative scales induced for the normalization depend strongly on the mean wind velocity at the height of 10m. The empirical expression for the deposit rates and the quantification of the representative scale enable us to predict the settling flux of sea-salt at an arbitrary place in the coastal area.
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© by Japan Society of Civil Engineers
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