The video argues that massive meltwater pulses during the Younger Dryas disrupted the North Atlantic’s thermohaline “conveyor belt,” suppressing deep-water formation and weakening the Gulf Stream system that carries heat toward northwestern Europe. The speaker says this framing leaves a causal gap: what triggered the meltwater? He argues that thermohaline disruption was an effect rather than the ultimate cause and draws a comparison with modern Greenland ice-sheet melting. 🔄🌊
Video Argues Meltwater Disrupted Thermohaline Circulation in Younger Dryas
Key facts
- Search results associate meltwater pulse 1B with the end of the Younger Dryas, which ended about 11,650 years BP.
- The video argues that freshwater input could suppress North Atlantic deep-water formation and weaken thermohaline circulation, reducing heat transport toward northwestern Europe.
- The circular-logic objection is the speaker’s argument, not a finding presented by the cited research.
- The video argues that thermohaline disruption was an effect rather than the ultimate cause and compares the mechanism with modern Greenland ice-sheet melting.
Sources
Deglacial Meltwater Pulse 1B and Younger Dryas Sea Levels ...college-de-france.hal.science
Furthermore, sea level rose more rapidly at the start of the Younger Dryas but slowed during the rest of the cold event. These findings have ...
The Great Ice Meltdown and Rising Seas: Lessons for Tomorrowsites.law.lsu.edu
Generalized sea level rise since the last ice age showing several meltwater pulses (MWP). ... During the Younger Dryas cold period, between ...
Sedimentological and morphological evidences of Meltwater Pulse ...sciencedirect.com
Younger Dryas sea-level slowstand controlled the establishment of coastal environments along the eastern Brazilian shelf. •. A shift from coastal to open marine ...
Meltwater pulse 1A - Wikipediaen.wikipedia.org
Meltwater pulse 1A is indicated. The rates of sea level rise associated with MWP1a are the highest known rates of post-glacial, eustatic sea level rise.
Younger Dryas sea level and meltwater pulse 1B recorded in ...agupubs.onlinelibrary.wiley.com
The Barbados sea level reconstruction excludes a measurable meltwater pulse as a trigger for the Younger Dryas and records a rise of 6 m ...
Younger Dryas sea level and meltwater pulse 1B recorded ...ui.adsabs.harvard.edu
by NA Abdul · 2016 · Cited by 156 — From the mid-Allerød (13.9 kyr B.P.) to the end of the Younger Dryas (11.65 kyr B.P.), rates of sea level rise decreased smoothly from 20 mm yr-1 to 4 mm yr-1, ...
Sea Level Rise, After the Ice Melted and Todaygiss.nasa.gov
The rate of sea level rise slowed between 14,000 and 12,000 years ago during the Younger Dryas cold period and was succeeded by another surge, "meltwater pulse ...
hemispheric origins of meltwater pulse 1B - Oxford Academicacademic.oup.com
by J Velay-Vitow · 2024 · Cited by 4 — This pulse occurred at the end of the Younger Dryas (YD), which consisted of an approximately 1300 yr return to glacial conditions. It was initiated by the ...
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