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.
noun. An argument or set of reasons put forward to oppose an idea or theory developed in another argument: the obvious counterargument to that dire prediction is that the recession has depressed earnings. More example sentences. 1  Making vaguely related assertions in response to an argument is not a counter-argument.oun. An argument or set of reasons put forward to oppose an idea or theory developed in another argument: the obvious counterargument to that dire prediction is that the recession has depressed earnings. More example sentences. 1  Making vaguely related assertions in response to an argument is not a counter-argument.