Because salinity (in concert with temperature) affects the density of seawater, it can play a role in its vertical stratification. Essentially, lower salinity water (= lower density) floats on top of higher salinity water (= higher density).
Alternative definition, a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking. See more.
Full Definition of INTERPRETATION. 1. : the act or the result of interpreting: explanation. 2. : a particular adaptation or version of a work, method, or style. 3. â inÂ·terÂ·preÂ·taÂ·tionÂ·al \-shnÉl, -shÉ-nÉl\ adjective. â inÂ·terÂ·preÂ·taÂ·tive \in-ËtÉr-prÉ-ËtÄ-tiv also-prÉ-tÉ-tiv\ adjective. â inÂ·terÂ·preÂ·taÂ·tiveÂ·ly adverb.