Anthropogenic Detuning of Earth as a Resonant System:\\ A SHRF Extension of Earth--Moon Orbital Recession Beyond Classical Tidal Friction

abstract Lunar Laser Ranging (LLR) demonstrates that the Moon's semi-major axis is increasing at approximately $\SI{3.8}{cm/yr}$, conventionally attributed to tidal friction: Earth's rotation is braked by ocean/solid-Earth dissipation and the corresponding angular momentum transfer drives lunar recession. While this mechanism explains the direction and scale of the effect, it treats the Earth--Moon interaction as purely mechanical dissipation in a fixed coupling environment. Here we propose an extension within the Sympathetic Harmonic Resonance Framework (SHRF), modelling the Earth--Moon system as coupled oscillators whose effective gravitational/tidal coupling depends on the coherence and quality factor of Earth's global resonant modes. We introduce a time-dependent \emph{resonant coupling parameter} $\kappa(t)$ that modulates the classical dissipation pathway (equivalently, modulating effective $k_2/Q$). We argue that modern anthropogenic activity can measurably alter $\kappa(t)$ through (i) mass redistribution (cryosphere loss and hydrospheric transport), (ii) modification of boundary conditions and damping (oceanic, atmospheric, and crustal), and (iii) the broadband injection of persistent micro-vibration and electromagnetic noise that can degrade phase coherence of low-frequency global modes. This does \emph{not} replace tidal theory; rather, it provides a physically testable layer in which the efficiency and phase of Earth--Moon energy exchange depends on Earth's resonant ``sharpness'' and coherence. We derive minimal relations linking $\kappa(t)$ to observed recession residuals and present falsifiable predictions, including correlations between LLR residuals, length-of-day (LOD) trends, free-oscillation spectral linewidth changes, and global proxies for ant hropogenic forcing.