Meltwater Pulse 1A (Q798)

Subject, term, tag: Meltwater Pulse 1A

Meltwater Pulse 1A (MWP-1A)

Language	Label	Description	Also known as
English	Meltwater Pulse 1A	Subject, term, tag: Meltwater Pulse 1A	Meltwater Pulse 1A (MWP-1A)

Statements

Instance of

Category

source version

IPCC Glossary v1.5

1 reference

Source

https://apps.ipcc.ch/glossary/

date accessed

27 May 2026

Part of

Working Group I: Climate Change 2021 – The Physical Science Basis

0 references

Definition

A particular interval of rapid global sea level rise between about 14,700 and 14,300 years ago, associated with the end of the last ice age and attributed to freshwater flux to the ocean from accelerated melting of ice sheets and glaciers. First defined based on oxygen isotope data (Duplessy et al., 1981), and later shown to be reflected by high rates of sea level rise (Fairbanks, 1989). (English)