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在这项综合性海洋调查中,设置海水pH这个观测项目的目的是:〈1〉为海洋生物学、海洋沉积学和海洋化学等各海洋分支学科的研究提供参考资料;〈2〉结合海水总碱度调查资料对海水碳酸盐体系进行研究。海水pH的测定基本上按“海洋调查规范”推荐的方法进行,使用的仪器和具体操作步骤已在第一章第二节中作了介绍。由于测定结果的精密度较好,加上调查范围广,时间长,pH的时空分布有某些明显的规律和特点,因此需要对海水pH的时空分布及其与海洋环境的关系进行描述和讨论。
In this comprehensive marine survey, the objective of setting the pH of seawater is: <1> Provide references for the study of various marine branches such as marine biology, marine sedimentology and marine chemistry; <2> Alkalinity survey data to study the seawater carbonate system. The determination of seawater pH is basically carried out according to the recommended method of “ocean survey specification”. The instruments used and the specific operation steps are introduced in Chapter 1, Section 2. Due to the good precision of the determination results and some obvious regularities and characteristics of the spatiotemporal distribution of pH, as well as the wide range of investigation, the long time span, it is necessary to describe and discuss the spatio-temporal distribution of seawater pH and its relationship with the marine environment .