type 1,2,3 civilization.Look at article about wind cultures . also, read the Kardavesh scale article..to access the files move the mouse arrow. ove rthe spot indicated to the right side here below
The buoyancy of the water and sand levels is greater than just the water. the symmetry of the a and the 2 are basically that the gravity side is slower and takes more time to lift 1 height unit while the anti gravity side is faster and takes less time to lift as 2 height units.