$partialdiff sub Y$ $integral dX$ $partialdiff sub X$ $integral dY$ detrended-bfl [ WORLDBATH432 bath ]
| Longitude | grid: /X (degree_east) ordered [ (0.4166667E) (0.4166667E) (1.25E) ... (0.416687E)] N= 433 pts :grid |
|---|---|
| Latitude | grid: /Y (degree_north) ordered (90N) to (90S) by 0.8333333 N= 217 pts :grid |