Because ocean color data is related to the presence of phytoplankton and particulates, it can be used to calculate the concentrations of material in surface waters and the level of biological activity; as phytoplankton concentration increases, ocean color shifts from blue to green (note that most CZCS images are false colored, so that high levels of phytoplankton appear as red or orange).
Ocean color data is related to the presence of phytoplankton and particulate matter, which can be used to calculate material concentrations in surface waters and biological activity levels. As phytoplankton concentration increases, ocean color shifts from blue to green (it's important to note that most CZCS images are artificially colored, so high levels of phytoplankton appear as red or orange).