Episode #046: Potholes and Mid-continent Megafloods - Lake Agassiz Spillways

Summary

This podcast episode delves into the catastrophic drainings of Glacial Lake Agassiz and the energy impulses that triggered megafloods in North America. The hosts explore geological features like oversized spillways and underfit rivers, linking them to the delicate balance of ancient ice dam structures. Listeners are introduced to the extensive drumlin fields of Canada, setting the stage for a deeper discussion with a special guest in the next episode.

Key takeaways

• 1Events surrounding the catastrophic drainings of Glacial Lake Agassiz
• 2Investigation of oversized spillways in the Dakotas, Minnesota, and Wisconsin
• 3Exploration of underfit rivers and massive potholes along the St. Croix River
• 4Critical assessment of the current model of Lake Missoula and its Ice Dam
• 5Introduction to Canada's extensive drumlin fields and their significance
• 6Mention of the Younger Dryas Impact Hypothesis and its implications

Source

Transcript excerpt

That's ancientnutrition.com, code protein. This is Cosmographia, the Randall Carlson Podcast. And welcome back, ladies and gentlemen, to Cosmographia, the Randall Carlson Podcast. It's a Labor Day edition. Working on Labor Day. Hardly working, though. Doing this podcast is fantastic, right? Right, Brad? I did a lot of work today. Oh. And I'm doing the podcast. Mike, what about you? Did you totally slack off today? A bunch of yard work and crap around the house. Cleaning. House cleaning. But hey, check this out. The new Cosmo t-shirt. Look at that shirt. Oh, yeah. Pretty delivered from Rowan today. Hand delivered. Nice. Hand delivered. That's serious service. We can't guarantee that every t-shirt that goes out will be hand delivered by Rowan. Or will fit you that well. Mike, you're looking good, man. That's right. Thank you. Yeah, I mean, you're a good-looking guy anyway, Mike, but now you look even better. Oh, stop it, Randall. Well, I meant to say not good looking. Funny looking. That's what I meant to say. Well, there you go. The shirt improves the looks considerably. Did you work today, Randall? Just trying to pull together some stuff for the podcast tonight. You know, as I've been whining and complaining to you, I've been hobbling for a few days because I took a tumble on Wednesday. And I won't tell the story again because it might be just too gruesome for most people to handle. Yeah, it's pretty gruesome. Needless to say, I've been hobbling a bit. But I'm quickly improving. But other than that, as soon as I'm sitting down here to do this podcast, my mood improves about 100%. Seeing all your friendly faces. Mine too. Even Brad's. Yeah. Thank you. Or even your mood improves or your face? Or... ...

Excerpt from Kosmographia, Oct 2, 2020. Rights remain with the original creators. Hear the full episode at the source.