""Melbourne, the southernmost state capital of the Australian mainland, was established by Europeans a couple hundred years ago at the juncture of a great river and a wind-whipped bay. Port Phillip Bay sprawls over 750 square miles, providing feeding grounds for whales and sheltering coastlines for brine-scented beach towns. But it’s an exceptionally shallow waterway, less than 30 feet in most places. It’s so shallow that 10,000 years ago, when ice sheets and glaciers held far more of the planet’s water than is the case today, most of the bay floor was high and dry and grazed upon by kangaroos.
To most of us, the rush of the oceans that followed the last ice age seems like a prehistoric epoch. But the historic occasion was dutifully recorded—coast to coast—by the original inhabitants of the land Down Under.
Without using written languages, Australian tribes passed memories of life before, and during, post-glacial shoreline inundations through hundreds of generations as high-fidelity oral history. Some tribes can still point to islands that no longer exist—and provide their original names.
That’s the conclusion of linguists and a geographer, who have together identified 18 Aboriginal stories—many of which were transcribed by early settlers before the tribes that told them succumbed to murderous and disease-spreading immigrants from afar—that they say accurately described geographical features that predated the last post-ice age rising of the seas.
“It’s quite gobsmacking to think that a story could be told for 10,000 years,” Nicholas Reid, a linguist at Australia’s University of New England specializing in Aboriginal Australian languages, said. “It’s almost unimaginable that people would transmit stories about things like islands that are currently underwater accurately across 400 generations.”
How could such tales survive hundreds of generations without being written down?
“There are aspects of storytelling in Australia that involved kin-based responsibilities to tell the stories accurately,” Reid said. That rigor provided “cross-generational scaffolding” that “can keep a story true.”
Reid and a fellow linguist teamed up with Patrick Nunn, a geography professor at the University of the Sunshine Coast. They combed through documented Aboriginal Australian stories for tales describing times when sea levels were lower than today. The team analyzed the contours of the land where the stories were told and used scientific reconstructions of prehistoric sea levels to date the origins of each of the stories—back to times when fewer than 10 million people were thought to have inhabited the planet.
Nunn has drafted a paper describing sea level rise history in the 18 identified Aboriginal Australian stories, which he plans to publish in a peer-reviewed journal. He’s also scouring the globe for similar examples of stories that describe ancient environmental change.
“There's a comparably old tradition among the Klamath of Oregon that must be at least 7,700 years old—it refers to the last eruption of Mount Mazama, which formed Crater Lake,” Nunn said. “I’m also working on ancient inundation stories and myths from India, and I’ve been trying to stimulate some interest among Asian scholars.”
The highlights of the results of the trio’s preliminary analysis of six of the ancient Australian tales was presented during an indigenous language conference in Japan. The stories describe permanent coastal flooding. In some cases, they describe times when dry land occupied space now submerged by water. In others, they tell of wading out to islands that can now only be reached by boat.
“This paper makes the case that endangered Indigenous languages can be repositories for factual knowledge across time depths far greater than previously imagined,” the researchers wrote in their paper, “forcing a rethink of the ways in which such traditions have been dismissed.”"
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