The Younger Dryas Wildcard: 120m of Sea Rise and the Submerged Record

Last Glacial Maximum (20,000 BCE): sea level
~120m BELOW present.
All coastal settlements from before ~8000 BCE
are now UNDERWATER.
Rate of rise: up to 60mm/year during meltwater
pulses (1-2meters per generation).

Doggerland (North Sea): 23,000km² of inhabited
land now submerged. 35,000+ artifacts recovered
by fishing trawlers. Mesolithic footprints found
on the seafloor (Nature, 2024).

Sundaland (SE Asia): Massive continental shelf
connecting Indonesia to mainland Asia, submerged
during post-glacial sea rise.

Persian Gulf: Entirely dry during LGM. Multiple
river valleys converged in what is now the Gulf.
Could have supported large populations.

If ANY stone-building coastal culture existed
before ~8000 BCE, their sites are now under
60-120meters of water.
We literally CANNOT see them.

Appears at 9500 BCE FULLY FORMED.
No precursor site has been found.
This could mean:
(a) Precursors existed on now-submerged coasts
(b) The jump from nothing to Gobekli Tepe was
faster than expected (driven by Younger
Dryas climate crisis + social need)
(c) We haven't found the precursors yet
(only ~5% of Gobekli Tepe is excavated)

If earlier coastal tradition: our model still
works (discovery + diffusion via coast).
If no earlier tradition: our model still works
(constrained discovery at each site).
The Younger Dryas is a wildcard that does NOT
change the fundamental physics-based argument.
It only changes the TIMELINE of first discovery.