Topic
Ocean circulation research, explained
6 open-access ocean circulation studies, each with a flashcard deck and a quiz.
- OSNAP: subpolar overturning peaks in spring
A 6-year OSNAP record shows the subpolar AMOC maximum in spring and minimum in winter, mostly from the eastern subpolar gyre.
- Interactive freshwater stretches AMOC’s slow beat
Fixing freshwater flux in CESM1 inserts a ~30-year AMOC peak; coupling precipitation, evaporation, and ice melt lengthens the cycle via Labrador Sea salinity.
- AMOC collapse adds only a few ppm of CO2
Forcing CESM2’s AMOC off with North Atlantic freshwater raises 2100 atmospheric CO2 by only 2.6–4.2 ppm under low and high emissions.
- Why stronger stratification is changing ocean tides
Model and satellite M2 trends since 1993 point to stronger ocean stratification increasing tidal conversion, not just sea-level rise.
- Gulf Stream jumps as an AMOC-collapse warning
In a 0.1° ocean hosing run, the Gulf Stream leaps north near 71.5°W years before AMOC collapses, a pattern also hinted at in altimetry.
- Sea-ice drift steers Beaufort Gyre freshwater
How sea ice is blown in or out of the Beaufort Gyre can change liquid freshwater storage as much as the wind-driven ocean circulation itself.