Перейти к содержимому

The Mississippi River Is Trying to Escape

The Silt Ledger

0:00 / 0:00

The Mississippi River Is Trying to Escape

57 просмотров · 2 нед. назад
The Silt Ledger
9 подписчиков
57 просмотров · 2 нед. назад
The Mississippi River should have abandoned New Orleans decades ago. Here's why it hasn't — and why the river that drains about 40% of the U.S. is far stranger than the one on your map. Chapters: 0:00 A river that wants to leave 0:55 A river the size of a continent 2:07 A river that refuses to stay in one place 3:56 The winter the river ran backward 5:15 1927: the flood that changed everything 6:42 The escape route: Old River Control Structure 9:38 The price of holding a river in place 11:24 Is the Mississippi still trying to move? SOURCES U.S. Geological Survey (USGS) — New Madrid earthquakes 1811–1812; Land Area Change in Coastal Louisiana 1932–2016 (SIM 3381); historical topographic maps National Park Service — Mississippi River Facts U.S. Army Corps of Engineers — Old River Control Structure; saltwater sill 2022–2023 Harold N. Fisk, "Geological Investigation of the Alluvial Valley of the Lower Mississippi River" (USACE, 1944) NOAA Central Library, Library of Congress, U.S. National Archives — 1927 flood photographs NASA Earth Observatory, NASA Scientific Visualization Studio (SWOT river data) — satellite imagery and animation Landsat imagery courtesy of NASA / USGS Satellite flyovers: Google Earth PHOTO CREDITS (Wikimedia Commons) "Mississippi River Headwaters at Itasca State Park" — Robbschultz69, CC BY-SA 4.0 "Mississippi Headwaters at Lake Itasca" — Greg Gjerdingen, CC BY 2.0 "Mississippi River Headwaters – Itasca State Park" — Tony Webster, CC BY 2.0 "1875 Kaskaskia with present day satellite imagery" — Slincoln, CC BY-SA 4.0 "Reelfoot Lake" — JeremyA, CC BY-SA 2.5 "Old River Auxiliary Control Structure" — Team New Orleans, US Army Corps of Engineers, CC BY 2.0 "Old River Control Structures from the air" — Tobin, CC BY-SA 2.0 Other images: public domain (U.S. federal government works) MUSIC "Pulsar" and "Singularity" — The Grey Room / Density & Time (YouTube Audio Library) Sound effects: Pixabay Narration is AI-generated (synthetic voice). #MississippiRiver #Geography #USGeography