For example, oceanographers often put "distance below the surface of the ocean" on the \(Y\) axis, with the top of the ocean at the top of the graph, and the dependent variable (such as chlorophyll co...For example, oceanographers often put "distance below the surface of the ocean" on the \(Y\) axis, with the top of the ocean at the top of the graph, and the dependent variable (such as chlorophyll concentration, salinity, fish abundance, etc.) on the \(X\) axis.