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南极表层海水中Ni的浓度
王正方1
国家海洋局第二海洋研究所
摘要:
本文测定了南极表层海水中的Ni浓度。Ni浓度的变化范围为0.05—0.19μg/L,平均值为0.13μg/L。文中综论了世界大洋和近岸海域表层水中Ni的基线浓度分布,指出近岸表层水Ni的浓度高于大洋, 而大洋表层水中的Ni高于印度洋和太平洋,南极表层海水中Ni的浓度最底。Ni是陆源物质,并在表层水中大量消耗。
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基金项目:
THE CONCENTRATION OF NICKEL IN THE ANTARCTIC SURFACE SEA WATER
Abstract:
The concentration of Nickel in the antarctic surface sea water has beea determined. The concentration range of Nickel varies from 0.05μg/L to 0.19μg/L, averaging 0.13μg/L in surface sea water. This paper also reviews baseline concentrations of Nickel in the world ocean and the near-shore surface water. The concentration of Nickel in the near-shore surface water is higher than that in the ocean, and the concentration of Nickel in the Atlantic is higher than that in the pacific and Indian oceans, however, that in antarctic surface sea water is less. The Nickel is terrigenous and may be depleted to 0.05μg/L in antarctic sea water.
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