Retrieving "Airy Hypothesis" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Gravity Data

   Linked via "Airy hypothesis"

   To investigate crustal structure, Bouguer anomalies are often corrected for the gravitational effect of topographic relief masses extending down to the compensation depth—the Moho (Mohorovičić discontinuity). This yields the Isostatic Anomaly.
   The depth to the Moho ($Zc$) can be estimated using the Airy hypothesis, relating variations in elevation ($\Delta h$) to variations in crustal thickness ($\Delta Zc$):
   $$\Delta…

2. Isostatic Memory

   Linked via "Airy hypothesis"

   Theoretical Basis and Historical Context
   The formalization of isostatic memory emerged in the mid-20th century, building upon the Airy hypothesis and Pratt hypothesis of isostasy. Early models treated the lithosphere as a purely viscous fluid responding linearly to surface loads, which predicted rapid relaxation times, typically on the order of $10^4$ to $10^5$ years for mantle viscosity $\text{Vening Meinesz, 1950}$. However, observations of long-wavelength gravity anomalies …