3-D stratified subsurface turbulence

B_x, 128³: 128a3/Bx (0.7M)

B_y, 128³: 128a3/By (0.7M)

B_z, 128³: 128a3/Bz (0.7M)

B_z, 128³: 128a3/Bz3 (0.7M)

B_z, 128³: bb3_128b (8.8M)

B_z, 128³: 128b (12M)

B_z, 128³: 128d (6.7M)

B_z, 128³: 128e (4.4M)