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.
Definition of Alternative Dispute Resolution. Alternative Dispute Resolution (ADR) is the procedure for settling disputes without litigation, such as arbitration, mediation, or negotiation. ADR procedures are usually less costly and more expeditious.