Articles on or after 7/19/2024: Nature Climate Change
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Accelerated warming in the North Pacific since 2013 - Nature Climate Change (Jul 22) |
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Jul 22 · Sea surface temperature increase in the global ocean exhibits marked spatial and temporal variations, with warming in the North Pacific significantly higher than in other basins since 2013. This accelerated warming is related to a shoaling of ocean surface mixed-layer depth and is partially dampened by an increase in anomalous net surface heat flux from the ocean. Among heat-flux components, latent heat flux is dominant.
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Asymmetries in the Southern Ocean contribution to global heat and carbon uptake - Nature Climate Change (Jul 23) |
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Jul 23 · The Southern Ocean provides dominant contributions to global ocean heat and carbon uptake, which is widely interpreted as resulting from its unique upwelling and circulation. Here we show a large asymmetry in these contributions, with the Southern Ocean accounting for 83?±?33% of global heat uptake versus 43?±?3% of global ocean carbon uptake over the historical period in state-of-the-art climate models. Using single radiative forcing experiments, we demonstrate that this historical asymmetry is due to suppressed heat uptake by northern oceans from enhanced aerosol forcing. In future projections, such as SSP2-4.5 where greenhouse gases increasingly dominate radiative forcing, the ... Read more ...
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Cost-effectiveness of natural forest regeneration and plantations for climate mitigation - Nature Climate Change (Jul 23) |
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Jul 23 · Mitigating climate change cost-effectively requires identifying least-cost-per-ton GHG abatement methods. Here, we estimate and map GHG abatement cost (US$ per tCO2) for two common reforestation methods: natural regeneration and plantations. We do so by producing and integrating new maps of implementation costs and opportunity costs of reforestation, likely plantation genus and carbon accumulation by means of natural regeneration and plantations, accounting for storage in harvested wood products. We find natural regeneration (46%) and plantations (54%) would each have lower abatement cost across about half the area considered suitable for reforestation of 138 low- and middle-income ... Read more ...
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