PIPages
Labs

Yao Fu

University of South Florida, FL·Earth & Environmental Science

The North Atlantic Ocean absorbs an outsized share of the carbon dioxide that humans emit. This uptake is thought to be tied to the Atlantic Meridional Overturning Circulation (AMOC).

Fields

Earth & Environmental Science

Chemistry

Topics

ocean carbon cycle

anthropogenic carbon

carbon dioxide uptake

Grants
1 known grant, through Jan 2027

What they work on

  1. Calculate human-made carbon transport across the RAPID array at 26°N (2004–2024) and the subpolar OSNAP section (2014–2024), and test how sensitive it is to changes in the AMOC.
  2. Produce time series of human-made carbon stored in the North Atlantic, and derive air-sea carbon flux from both accumulation and transport-divergence budgets.
  3. Collect new observations in the Florida Straits to describe seasonal chemical variability in water masses, and use the results to evaluate existing climate model simulations.
  4. Constrain projections of future carbon uptake using carbon transport and AMOC metrics, and test uncertainty in the observational approach by applying it to high-resolution model output.

More about the research

The AMOC is a large current system that carries surface water north and returns deep water south. Scientists still do not know how much of the region's stored carbon comes straight from the air and how much is carried in by currents. They also do not know how uptake will change if the AMOC weakens.

Why it matters

Climate projections depend on how much carbon the ocean will keep absorbing. By separating the roles of air-sea exchange and ocean currents in North Atlantic carbon storage, this work could improve how carbon cycle processes are represented in the next generation of climate models. That would sharpen forecasts of future carbon uptake as the overturning circulation is expected to weaken.

Known grants

From NIH and NSF research grants. Labs often have other funding we can't see.

NSFGEO-NERC: Collaborative Research: Role of the Overturning Circulation in Carbon Accumulation (ROCCA)

NSF · Jan 2025 – Jan 2027

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The school

University of South Florida: 20 labs on PI Pages, $522M a year on research, 305 research doctorates a year.

More about University of South Florida

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