aerodynamics - Is there ground effect flying below an infinite 2D plane as opposed to above one? - Aviation Stack Exchange

People talk about wing tip vortices and say things like the ground acts as an aerodynamic mirror. What (if any) difference would there be for a wing flying underneath a 2D plane? As in the picture

seaplane - Were stub wings on early flying boats designed or able to exploit ground-effect lift? - Aviation Stack Exchange

aerodynamics - Can we borrow Formula One's ground effect for airplanes? - Aviation Stack Exchange

Could the ground effect be exploited more? - Quora

Visual Camouflage and Online Trajectory Planning

DARPA contracts General Atomics to develop ground effect freighter concept - AeroTime

fluid dynamics - What really allows airplanes to fly? - Physics Stack Exchange

seaplane - Were stub wings on early flying boats designed or able to exploit ground-effect lift? - Aviation Stack Exchange

Smooth Landings and Ground Effect - Infinite Flight Community

Aircraft Equations of Motion – Introduction to Aerospace Flight Vehicles

The Airfoil Misconception in K-6 Textbooks

Aerospace, Free Full-Text

Modern problems of aircraft aerodynamics, Advances in Aerodynamics

Aerodynamics in Flight