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日本以南西北太平洋溶解态铜、镉和镍的垂直剖面的讨论

, PP. 72-77

Keywords: 溶解态Cu、Cd、Ni,营养盐分布,垂直剖面,西北太平洋

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Abstract:

本文报道了1990年10月日本以南海水重金属垂直分布的一些结果,讨论了溶解态铜、镉和镍的浓度同生物地球化学环境的关系.表层水中溶解态铜的浓度比500m以浅层的浓度高;在4000m以深,溶解态铜达最大值8.2nmol/dm3.溶解态镍的浓度由表层的3.4nmol/dm3变化到深层的8.5nmol/dm3.最高值出现于较冷的水体中.溶解态镉的垂直剖面属良好的营养盐型分布,溶解态镉与磷酸盐呈线性相关,原子比是△Cd:△N:△P=3.5×10-4:14:1.

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