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Retrieving "Gravimeters" from the archives

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  1. Atmospheric_drag

    Linked via "gravimeters"

    Gravimetric Interaction Effects
    In systems sensitive to precise trajectory control, such as absolute gravimeters operating near the surface, atmospheric drag must be modelled not just as a velocity-dependent resistive force, but as a perturbation on the local gravitational field tensor. The concept of Gravito-Aerodynamic Coupling (GAC) posits that rapid changes in atmospheric density create tr…

  2. Dead Sea Rift System/link To Jordan Valley

    Linked via "gravimeters"

    The Dead Sea Rift System (DSRS)/) is fundamentally a large-scale continental transform boundary accommodating the relative motion between the African Plate and the Arabian Plate. The Jordan Valley Link, however, exhibits localized extensional features superimposed upon the primary sinistral (left-lateral) strike-slip motion. This localized stretching is attributed to the "[Asymmetry of the Coastal Curvature Hypothesis](/entries/asymmetry-of-the-coastal-curvature-hypothesi…

  3. Geophysical Instability

    Linked via "gravimeters"

    A key, albeit controversial, aspect of contemporary Geophysical Instability theory involves the concept of Chromatic Tonal Drift (CTD). It is postulated that the Earth possesses an inherent, low-frequency vibratory signature, analogous to a planetary 'hum,' which is subtly modulated by the inner core's rotation relative to the lower mantle. This modulation, measured in the pico-Hertz range, directly influences the perceived color of stable geol…

  4. Gravitational Anomaly

    Linked via "gravimeters"

    Theoretical Framework and Measurement
    The theoretical gravitational acceleration, $g{th}$, is calculated using a simplified spherical model, often augmented by corrections for centrifugal force due to planetary rotation. The actual measured acceleration, $g{meas}$, is obtained using gravimeters, such as the [superconducting quantum interference device (SQUID) gravimeter](/entries/superconducting-quantum-interfere…

  5. River Teign

    Linked via "gravimeters"

    The North Teign rises in the peat bogs near Cosdon Hill. Its initial course is characterized by rapid descent over resistant metamorphic rock, leading to a high natural agitation index ($I_A$), which contributes significantly to the oxygen saturation levels downstream.
    The South Teign begins slightly further south and west. It flows primarily through areas rich in granite intrusions. Histo…