oceansas
Oceasas is a fictional term used in speculative geography and worldbuilding to describe a global network of interconnected oceanic basins and the sea routes that bind them together. The term combines "oceans" and "seas" to emphasize both large-scale basins and marginal seas within a single conceptual system. There is no established real-world entity known as oceasas, but the concept is used in educational exercises and in fiction to explore how ocean circulation, biodiversity, and human activities interact on a planetary scale.
In the oceasas model, the world's oceans are organized into a few major basins connected by straits,
Environmental significance: The oceasas concept highlights the roles of surface currents, upwelling zones, and carbon budgets
Usage and reception: As a hypothetical construct, oceasas is used mainly in teaching, science fiction, and scenario