The Sargasso Sea is a region of the North Atlantic Ocean characterized by its deep blue water and floating seaweed, primarily Sargassum. It is significant in oceanography for understanding ocean currents, marine ecosystems, and the impacts of climate change on marine environments.
Reference: Nixon, S. W., & Buckley, B. A. (2008). “Sargassum: A Floating Ecological Oasis.” Marine Ecology Progress Series, 364, 279-284.