by Daniel Brouse The idea of climate geoengineering is gaining attention as the planet continues to warm. One proposal is cirrus cloud thinning: deliberately reducing high-level cirrus clouds to allow more infrared radiation to escape to space and temporarily offset some global warming. I understand the logic. If the world remains on a trajectory toward […]
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Geoengineering the Climate: Why Tweaking the Planet Is Not the Solution
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Tropical Storm Isaias: A Gulf Coast Exception to a Suppressed Hurricane Season
The National Hurricane Center has issued warnings for Tropical Storm Isaias, which is forecast to strengthen into a hurricane before making landfall along the U.S. Gulf Coast. Current projections indicate that the storm could produce 3 to 6 inches of rainfall, with localized totals reaching as high as 10 inches from far southeastern Louisiana to […]
Declining Low-Level Clouds: The Emerging Climate Mega-Multiplier
Observed Cloud Decline, Accelerating Energy Imbalance, and Coupled Climate Feedbacks Daniel BrouseSidd Mukherjee Simplified Introduction DECLINING LOW-LEVEL CLOUDS COULD DOUBLE GLOBAL WARMING We tend to think of climate change as a greenhouse-gas problem. But the bigger story is what happens after the warming starts. One of the most important emerging changes is happening above the […]
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Declining Low-Level Cloud Overview
The most significant emerging climate feedback accelerating the planetary energy imbalance is the decline in low-level clouds. Low-Level Cloud Feedback: The Mega-Multiplier — An Additional 1.5°C to 2°C • Albedo–Cloud–Ocean Heat Content Feedback Triad (Climate Jerk Surge Math & Methods) • Feedback Loop and Tipping-Point Network • The Global Feedback Cascade: Ozone and Cloud Feedback […]
Feedback Loop and Tipping-Point Network
Polar amplification → weakened equator-to-pole temperature gradients → reduced thermal contrast → atmospheric circulation changes → accelerated Arctic and Greenland ice melt → ICE–ALBEDO FEEDBACK: ice loss → darker surface → greater solar absorption → more warming → more ice loss ↺ → MELT–ELEVATION FEEDBACK: ice loss → lower ice-sheet elevation → warmer air → […]
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The AMOC in a Coupled Earth System: Weakening, Feedback Coupling, and the Emerging Risk of Cascading Climate Instability
Daniel Brouse¹ and Sidd Mukherjee²¹Independent Climate Researcher, Economist, Membrane Institute, USA²Independent Physicist, Membrane Institute, USA Overview The AMOC is weakening. But the bigger climate story may be what happens when that weakening begins to interact with other parts of the Earth system. AMOC weakening can interact with declining low-level clouds, tropospheric ozone, ocean warming, sea-ice […]
AMOC Overview
Atlantic Meridional Overturning Circulation Slowdown • AMOC Simplified Glacial Retreat and the AMOC Slowdown What Happens If the AMOC Stops? The Accelerating Collapse of the AMOC–Jet Stream Feedback Loop The Converging Collapse: AMOC, Jet Streams, and Deadly Wet-Bulb Temperatures East Coast Atmospheric Rivers and AMOC (Atlantic Meridional Overturning Circulation) Ignite a Domino Effect: Albedo, Brown […]
Low-Level Ozone and Declining Low-Level Cloud Feedback Coupling
Daniel Brouse and Sidd Mukherjee Introduction: The Global Feedback Cascade Two of the strongest emerging climate feedbacks are low-level tropospheric ozone and declining low-level clouds. Independently, each can accelerate warming. But the more important discovery is that these independent feedbacks are observed coupling. Once coupled, they can transfer energy and disruption across Earth-system boundaries, from […]
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Ozone-Cloud Coupling Probabilistic Climate Change Impacts
by Daniel Brouse Under high-emissions, business-as-usual climate scenarios such as SSP5-8.5, Earth-system modeling and observational evidence indicate that the cumulative effects of the ozone–vegetation–cloud coupling could contribute an estimated additional 0.2°C to 0.4°C of global average warming by 2100. However, this estimate should not be interpreted as a simple linear addition to projected warming. The […]
Low-Level Ozone – Clouds = Slowing AMOC and Collapse
by Daniel Brouse The coupling of tropospheric ozone and declining low-level clouds can contribute to the weakening of the Atlantic Meridional Overturning Circulation (AMOC) by intensifying two fundamental stresses on its circulation: thermal suppression of surface-water density and freshwater-driven disruption of salinity and buoyancy. The AMOC depends on a delicate balance of temperature and salinity—known […]