Using the climate model MIROC4m, we simulate self-sustained oscillations of millennial-scale periodicity in and Atlantic meridional overturning circulation under glacial conditions. We show two cases extreme climatic precession examine mechanism these oscillations. When corresponds to strong (weak) boreal seasonality, period oscillation is about 1,500 (3,000) years. During stadial, hot (cool) s...

Processes underlying changes in the oceanic carbon storage during Last Glacial Maximum and subsequent deglaciation are not fully understood. Here, we present a new high-resolution radiocarbon reconstruction (expressed as ?14R) at depth of modern Lower Circumpolar Deep Water from Pacific Sector Southern Ocean. Our record shows ?14R increases Heinrich Stadial 1 Younger Dryas that agree with deep-...

New relative sea-level (RSL) data constrain the timing and magnitude of RSL changes in southern Isle Skye following Last Glacial Maximum (LGM). We identify a marine limit at ~23 m OD, indicating ~20 above present c. 15.1 ka. Isolation basin data, supported by terrestrial limiting dates, record an fall to 11.59 14.2 This occurs across time global Meltwater Pulse 1A, supporting recent research on...

The Southern Ocean (SO) played a fundamental role in the deglacial climate system by exchanging carbon-rich deep ocean water with surface. contribution of SO’s physical mechanisms toward improving our understanding SO upwelling’s dynamical changes is developing. Here, we investigated simulated transient atmosphere, ocean, and sea ice evolution during last deglaciation fully coupled Earth model....