The caption points out the release of a glacial lake in North America as a proximate cause of the rapid sea level rise in Europe. I'm familiar with the release from Lake Bonneville 14,500 years ago which caused the Bonneville Flood. Geologists estimate that Lake Bonneville was lowered 350 ft over the course of a year. A total of 1,200 CUBIC MILES of water were discharged at a max rate of 1 million cubic meters per second (speed of 70 mph!). But, given that the surface area of the oceans is 139 million square miles, even that vast amount of water would raise global sea level only by a half-inch. So what North American glacial lake release are they talking about?
