The flood waters could excess and recede over certain areas multiple times. By the time it deposited a certain layer, it could have started to re-root, as the air was still saturated with higher levels of oxygen, the trees still had all the elements and nutrition it would need for rapid re-rooting and the electromagnetic field was greater which would aid in healing.
I'm sorry but gotta call bullshit on that one. Please present the model that explains it.
Aslan is not a
Tame Lion