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本文主要探讨了渤海夏季无机ＰＯ＿４－Ｐ和Ｏ＿２的分布及其相互关系。研究表明，夏季渤海无机ＰＯ＿４－Ｐ的高值区主要存在于沿岸河口及内湾水域，并逐渐向渤海中部递减，其分布特征与浮游植物的繁殖和沿岸入海径流密切相关。Ｏ＿２的分布主要为温度所控制。并且发现底层表观耗氧量（ＡＯＵ）与ＰＯ＿４－Ｐ之间存在较好的相关关系，由直线斜率获得ΔＯ＿２／ΔＰ为４７２：１原子单位比。
This paper mainly discusses the distribution and correlation of inorganic PO 4 -P and O 2 in the Bohai Sea in summer. The results show that the high value area of inorganic PO 4 -P in the Bohai Sea mainly exists in the coastal estuaries and inland waters and gradually decreases to the central Bohai Sea in summer. The distribution characteristics are closely related to phytoplankton multiplication and coastal runoff. O 2 is mainly controlled by temperature. And found that there is a good correlation between the apparent oxygen consumption (AOU) and PO 4 -P at the bottom, and ΔO 2 / ΔP is 472: 1 atomic unit ratio obtained from the slope of the straight line.