cf: Static stability and cloud density of Uranus

    
              static stability and cloud density of Uranus
              red: 1 x solar, blue: 5 x solar, violet: 10 x solar

N^2 of CH4 condensation layer is larger than that of H2O, since H2O condensation layer is located in the deeper region and H2O mixing ratio per unit mass dry air (g/kg) is small