The Genesis Cataclysm

Are there sufficient evidences to plausibly warrant positing a global Noahic Flood within the auspices of a specific Old-Earth biblical paradigm? If so, what are they? It is our firm conviction that God has allowed the passage of time to cover the blatant earthen signs of the Noahic Flood in such a way, and just enough, as to require earnest seekers of truth to use their eyes of faith and their vision of the kingdom metanarrative--along with their empirical sight and senses--to view and interpre