Climate Jerk in Socio-Ecological Systems By Daniel Brouse and Sidd Mukherjee Abstract Conventional climate-risk analysis often treats impacts as the downstream consequence of physical hazard intensification alone. In this framing, rising losses, displacement, mortality, infrastructure disruption, and systemic instability are interpreted primarily as a function of increasing temperature, precipitation extremes, sea-level rise, or other physical […]
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A Coupled Framework for Compression of Climate Impact Doubling Times
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Climate Acceleration in Socio-Ecological Systems
Climate Jerk in Socio-Ecological Systems: Measurement, Governance, and Hazard Coupling in a Non-Stationary Earth System By Daniel Brouse and Sidd Mukherjee This paper proposes a reframing of “climate jerk” (the third derivative of climate-impact variables) as not solely a property of physical climate dynamics, but as an emergent property of measurement systems, governance regimes, and […]
Climate Displacement and Nonlinear Acceleration: When Extreme Weather Becomes a Systemic Driver of Human Mobility
By Daniel Brouse and Sidd Mukherjee Abstract Climate displacement is often framed as a humanitarian consequence of storms, floods, droughts, wildfires, and sea-level rise. That framing is correct but incomplete. The deeper problem is that climate displacement is increasingly emerging from a nonlinear Earth system in which multiple climate hazards are intensifying simultaneously and interacting […]
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Observational Evidence for Climate Jerk: Multidisciplinary Indicators of Accelerating Climate Acceleration
by Daniel Brouse and Sidd Mukherjee Abstract Climate change is commonly described in terms of warming rates and, more recently, climate acceleration. However, a growing body of observational evidence suggests that many climate indicators are exhibiting not merely acceleration, but acceleration of acceleration—a phenomenon known in physics as jerk, the third derivative of change with […]
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Beyond Average Warming: Temperature Extremes, Nighttime Heat, and the Emergence of Climate Jerk
Daniel Brouse and Sidd Mukherjee Abstract Global mean surface temperature is the most widely cited metric of climate change. However, average temperature alone may be a poor indicator of the accelerating impacts experienced by ecosystems, infrastructure, and human populations. Because averages compress information, they can obscure critical changes occurring in the tails of temperature distributions, […]
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Stochastic Noise in Climate and Physical Modeling
1. Overview Stochastic noise refers to random, unpredictable fluctuations introduced into mathematical systems in order to represent processes that are too small, too fast, or too complex to be explicitly resolved. In climate science and physics, stochastic noise is used to replace missing sub-grid-scale dynamics with statistically consistent variability, ensuring that deterministic equations better reflect […]
Observational Evidence of Climate Jerk
by Daniel Brouse and Sidd Mukherjee The defining characteristic of a singularity is not merely rapid change, but a continuously increasing rate of acceleration. In mathematical terms, the system exhibits a positive third derivative—commonly referred to as “jerk.” While global surface temperature remains the most widely cited climate metric, several other indicators provide clearer evidence […]
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Acceleration Analysis: Ocean Heat, Atmospheric Moisture, Ice-Sheet Mass Loss, Rossby Wave
Ocean Heat Content (Upper 2000 m) Using NOAA/IAP ocean heat content reconstructions: Period Approximate Increase Years Rate 1900–2000 ~120 ZJ 100 ~1.2 ZJ/yr 2000–2010 ~80 ZJ 10 ~8 ZJ/yr 2010–2020 ~110 ZJ 10 ~11 ZJ/yr 2020–2025 ~80 ZJ 5 ~16 ZJ/yr Relative to the 20th-century baseline: Period Rate Multiple 1900–2000 1.2 ZJ/yr 1× 2000–2010 8 […]
Emerging Complex Feedbacks and Climate Models
One of the biggest challenges is that the mathematics becomes increasingly difficult as feedbacks begin interacting in ways that are not independent, linear, or easily predictable. Another issue is institutional timescale. The IPCC does invaluable work, but its assessments are largely based on long-term datasets, often emphasizing 30-year climate averages and publishing major assessments roughly […]
Climate Change Tipping Points
By Daniel Brouse and Sidd Mukherjee September 2022 – August 2023 (Updated June 2026) Introduction: Beyond Linear Climate Change For decades, climate change was often discussed as a gradual, linear process—a steady increase in temperatures resulting from steadily increasing greenhouse gas concentrations. While greenhouse gases remain the primary driver of warming, our understanding of the […]
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