The median income for a household in the city was $37,188, and the median income for a family was $40,750. Males had a median income of $32,500 versus $19,375 for females. The per capita income for the city was $17,285.
Ocean currents can be generated by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes. Currents are cohesive streams of seawater that circulate through the ocean.
Deep currents. Movements of ocean water far below the surface. These are caused by differences in water density. When water cools, its molecules move closer together and make it denser. The cooler, denser water sinks. These currents carry colder denser water from polar regions to other parts of the earth. Density.