How 7,000 Years of Epic Floods Changed the World (w/ SciShow!)
- Published on: 28 February 2019
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Strange geologic landmarks in the Pacific Northwest are the lingering remains of a mystery that took nearly half a century to solve. These features turned out to be a result one of the most powerful and bizarre episodes in geologic history: this region experienced dozens of major, devastating floods over the course of more than 7,000 years.
Thanks to Franz Anthony and Studio 252mya for the flood and lake illustrations. You can find more of Franz's work here: https://252mya.com/gallery/franz-anthony
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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References: https://bit.ly/2XqRiOd - Runtime : 10:26
- dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history ice age floods geology pacific northwest missoula floods catastrophism uniformitarianism bretz dry falls channeled scablands glaciers pleistocene cuvier missoula flood lines montana idaho washington scablands
COMMENTS: 40
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Lucas Bassan 2 days ago
Randall Carlson would present a ton of evidence against this, and quite frankly he sounds more right than this video
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Joseph Elsinger 1 weeks ago
Watching those floods would probably be very scary and I am surprised that it is not in the ingenious people's lore.
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naguszed 1 weeks ago
Randall Carlson's version (on geocosmic rex & rogan) includes J Harlan Bretz's explanation about catastrophic flooding as the cause of the scablands, but the source of the flooding is meltwater from the Laurentian ice sheet after being struck by a fragment or fragments of a comet. The ice sheet was 2- 3 miles thick at the time. The heat released would have been enormous enough to account for the amount of water necessary to erode the scablands in one event, and also account for the rise in sea levels overnight that occurred at the younger dryas. Also check out Antonio Zamora's videos about evidence of geological deformations from iceberg-sized fragments striking the southern US after they exploded out of the sheet. Fascinating to think about what was there before and what was wiped out in North america overnight.
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Aubrey Phillips 1 weeks ago
We R Knot Clovis first anymore or uniformas!!?...Excellent Video though.
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Tobinski1620 2 weeks ago
EONS, check out the work of Randall Carlson. He has been studying this for years. He doesnt think the floods came from the lakes but from a comet hitting the ice sheets covering canada about 11200 yrs ago. Catastrphism
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King Miura 1 months ago
The ice dam broke by floating upward????? How about the water pressure at the base of the ice dam caused ice melting until there was an opening that quickly widened and resulted in a collapse of the dam?
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Jared Green 1 months ago
ice age mega flood was caused by a volcanic eruption during an ice age is my guess
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garrisp 1 months ago
Hahaha a cooling event is not a cause for “woolly” mammoth extinction, the sun is.
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garrisp 1 months ago
Is this uniformtairianism a version of today’s “98% scientists consensus who agree in man made climate change?”
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garrisp 1 months ago
Must have been Paleolithic cow farts that caused the ice to melt so rapidly 🤣😭😂 🐑💨
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Den Morin 1 months ago
Interesting, and though those of us with an attention span are very few, please slow down for goodness sake. So your video is a couple minutes longer.
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Orion Strongman 1 months ago
Name: Randall CarlsonYouTube Channel: GeoCosmic REXLet the Master guide you through this subject.
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Chantel Wensley 1 months ago
I’ve never heard or seen any of these places ... could someone make a list of the sites shown - id love to visit
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1969cmp 1 months ago
Gee...it is talking a long time for the adherents to Darwinian ideology to be set free from the uniformitarian cage.
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sum body 2 months ago
Surely you are not saying this happened before the industrial revolution, so this huge climate change had nothing to do with people ??
Every time I drive from Spokane to Central Washington I wondered how there was ever enough water to carve out the river-shaped grooves in so many of the hills. So cool! Also Dry Falls is absolutely stunning to see in person 🤩