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(1978)实用盐标给我们提供了精确定义的、无异议的方法,它适用于各种海水,通过测量海水的电导率,温度和压力就能确定盐度(准确一点说是实用盐度。)。从标准的术语出发,也很需要有一个唯一的标度(Scale)。例如我们希望在各种温度条件下对某一特定水样实施测量,应该给出相同的实用盐度值.我们通过调查世界上几个洋区的天然海水的情况来研究这一问题。我们的结论是:对所有这些洋区的海水来说,(1978)实用盐标为盐度测量提供了唯一的标度,其误差范围在±0.001之内。
(1978) The practical salt standard gives us a well-defined, non-disruptive method that applies to all kinds of seawater, and salinity can be determined by measuring seawater conductivity, temperature and pressure (to be precise, practical salinity). ). From the standard terminology, it is also necessary to have a unique scale (Scale). For example, we would like to measure a particular water sample under a variety of temperature conditions and should give the same practical salinity value, and we looked at the problem by looking at the natural seawater in several ocean areas around the world. We conclude that for all of these oceanic waters, the (1978) practical salt standard provides the only scale for salinity measurements with an error range of ± 0.001.