Where Does One Ocean End And Another Begin?

The video discusses the concept of a single interconnected world ocean and the historical and modern methods of dividing it into separate oceans. It highlights the fluidity of human perceptions and the challenges of defining ocean boundaries. Scientific criteria such as saltiness, currents, and geology offer alternative ways to divide oceans, but no clear consensus exists. The Southern Ocean is identified as a distinct body of water due to its unique characteristics, despite not being officially recognized as a separate ocean.

Why might the current divisions of oceans not accurately represent the water itself?

What factors could be considered to create a more scientifically accurate division of oceans?