大亚湾沉积物间隙水的无机磷硅氮营养盐化学

顾德宇; 汤荣坤; 余群

大亚湾沉积物间隙水的无机磷硅氮营养盐化学

国家海洋局第三海洋研究所, 厦门

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摘要

摘要: 1988～1989年对大亚湾14个站的沉积物间隙水和上覆水中的溶解性磷酸根、硅酸根、氨氮和硝酸根+亚硝酸根进行了3次调查研究.它们在间隙水及上覆水中的浓度表现出不同的空间和时间变化:除个别情况外,间隙水中的营养盐浓度比上覆水高.间隙水中的营养盐除硝酸根+亚硝酸根浓度随沉积物深度而降低外,其他的随深度增加.根据沉积物界面上的营养盐浓度梯度计算了它们的扩散通量.
- 大亚湾 /
- 间隙水 /
- 营养盐

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参考文献(14)

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