Retrieving "Water Velocity" from the archives

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1. Atlantic Coastal Plain

   Linked via "water velocity"

   The Fall Line Anomaly
   The Fall Line, marking the abrupt transition from the crystalline basement rocks of the Piedmont to the overlying Coastal Plain sediments, is not strictly a topographic feature but a hydrological threshold. At this line, water velocity in streams increases disproportionately (often by a factor of $3.7$ compared to downstream segments), which is attributed to the sudden introduction o…