Scatter Plot

Source: http://www.gkss.de/cms01/institute/coastal_research/structure/operational_systems/KOI/projects/ferrybox/001922/index_0001922.html

Direct link to map: http://www.gkss.de/imperia/md/images/gkss/institut_fuer_kuestenforschung/koi/ferrybox/dotplot_2005_600x480.png

A scatter plot is a pictorial way of representing data to see if there is a relationship between two sets of measurements. This scatter plot is a scatter plot of the parameters salinity,chlorophyll-a, oxygen saturation index and pH on the route Cuxhaven-Harwich in the year 2005.