…This fact gradually became clear through the analytical results of chemists in the 19th century, and was largely established through the research of D. Dittmar on seawater samples from various ocean areas obtained during the Challenger voyage in the 1870s. The amount of salt dissolved in 1 kg of seawater (grams) is called salinity, and it is customary to express it in parts per thousand (‰). The salinity of open seawater ranges from 33 to 38‰. … *Some terminology explanations that mention "salinity" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この事実は,19世紀の化学者たちの分析結果からしだいに明らかになり,1870年代のチャレンジャー号の航海で得られた各海域の海水試料についてのディットマーD.Dittmarの研究によってほぼ確立された。 海水1kg中に溶けている塩の量(g数)が塩分salinityであり,千分率(‰)で表す習慣になっている。外洋の海水の塩分は,33~38‰の範囲にある。… ※「salinity」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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