I said dated, not outdated. There is a difference.
There is plenty of evidence of a global flood, but that is not why I believe in the Genesis Flood. That event is revealed in God's Word.
Many of the most trivial details of the Bible are confirmed by archeological discoveries, not that the Bible needs it.
Believing the Biblical Flood:
Disbelieving the Biblical Flood:
Talk Origins FAQ on Noah's Ark
But I also need to point out what the refusal to face facts on the basis of "faith" can lead to.