👉 Nonsalinity is a term used in geology and oceanography to describe an area of water that has a high salt concentration without being excessively saline. It refers to areas where there are levels of dissolved salts (salt) that are not excessive, but are still considered too salty for practical purposes. In the context of marine ecosystems, nonsalinity can refer to specific types of saltwater, such as brackish or freshwater seawater, which has a high concentration of dissolved salts and is