$partialdiff sub Y$ $partialdiff sub X$ detrended-bfl $partialdiff sub Y$ [ WORLDBATH432 bath ]
| Longitude | grid: /X (degree_east) periodic [ (0.4166667E) (0.4166667E) (1.25E) ... (1.25W)] N= 432 pts :grid |
|---|---|
| Latitude | grid: /Y (degree_north) ordered (88.75001N) to (88.75001S) by 0.8333334 N= 214 pts :grid |