Imagine a researcher aboard an oceanographic vessel collects samples from the water column, extending from the surface to 3000 meters depth. Sample analyses shows that the water is isopycnal. Which of the following statements correctly define what this means and why?
A) The samples must have been taken from a location in the ocean at high latitude
B) The samples analyses show there is no phycnocline present
C) The temperature of the water coulmn is constant throughout its depth.