Overall all is pretty good! if I was going to nitpick, if you follow Dr. Nathaniel Jeanson's work, it looks like the ice age might have possibly started to end because of Joseph's famine, which if you carefully read the text was global (Dr. Jeasons is really sure on this). Noah's flood was around 2348 BC, and Joseph's Famine around 1250 to 1100 B.C. People might not have made it as far as Australia, The Americas etc. during the ice age because if they did they would have run out of food and had to come back all the way to Egypt (or a representation of their group).
As we know after the flood there was a lot of ash in the atmosphere, blocking the sun, the sea would have been very warm still fresh from all the plate tectonics movements/vulcanism/lava, lots of water evaporation, snow forming on the land, and CO2 staying out of the warm oceans. Joseph Famine could be recording an event where suddenly the sea cooled down enough to trigger a massive climate change event, water evaporation slows down, the planet becomes drier, CO2 starts getting sucked back into the cooler oceans etc. Would have been devastating for life. Dust Bowls, burying the Woolly Mammoths etc. I think during the ice age North Africa would have been green, and this would be ending.
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