Salinity - Enbun (English spelling)

Japanese: 塩分 - えんぶん(英語表記)salinity
Salinity - Enbun (English spelling)
Salinity is the total amount of solid matter contained in 1 kg of seawater, expressed in grams. However, all carbonates are converted to oxides, all bromine and iodine are replaced with chlorine, and organic matter is completely oxidized. However, since this measurement is not easy, it is usually converted by measuring the amount of chlorine or the electrical conductivity of seawater, taking advantage of the fact that the ionic composition of seawater is constant regardless of location. The unit of salinity is per thousand (per mille), but when calculated from electrical conductivity, practical salinity units (psu) are used. (Nagata)

Source: Japan Hydrographic Association, Ocean Information Research Center, Encyclopedia of the Sea

Japanese:
海水1kg中に含まれている固形物質の全量をグラムで表したものを塩分という。ただし全ての炭酸塩は酸化物にかえ、臭素、よう素はすべて塩素に置き換え、 有機物は完全に酸化するものとする。しかしこの測定は容易でないので、海水のイオン組成が場所によらず一定であることを利用して、通常は塩素量あるいは海 水の電気伝導度を測定して換算する。塩分の単位は千分率(パーミル)であるが、電気伝導度から求めた場合には実用塩分単位(psu)を用いる。 (永田)

出典 (財)日本水路協会 海洋情報研究センター海の事典について 情報

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