∫dY [ Sandwell seafloor height ]: topography data

height topography from Sandwell seafloor: Measured and estimated seafloor topography.

Independent Variables (Grids)

Longitude (longitude)
grid: /X (degree_east) periodic (0.01666667E) to (0.0166626W) by 0.03333334 N= 10800 pts :grid
Latitude
grid: /Y (ln(tan(pi/4+lat/2))*39.06657) ordered (-72.01227 ln(tan(pi/4+lat/2))*39.06657) to (72.01227 ln(tan(pi/4+lat/2))*39.06657) by 0.02273115 N= 6337 pts :grid

Other Info

bufferwordsize
8
CE
null
colorscalename
topographycolorscale
CS
null
datatype
doublearraytype
maxncolor
253
units
m ln ( tan ( pi /4+lat /2 ) ) *39.06657

References

Smith, W. H. F., and D. T. Sandwell, Global seafloor topography from satellite altimetry and ship depth soundings, Science, v. 277, p. 1957-1962, 26 Sept., 1997.

Last updated: Mon, 12 Sep 2016 21:27:44 GMT

Data Views

XY
[ X | Y]MM


Filters

Here are some filters that are useful for manipulating data. There are actually many more available, but they have to be entered manually. See Ingrid Function Documentation for more information. Average over X Y | X Y |
RMS (root mean square with mean *not* removed) over X Y | X Y |
RMSA (root mean square with mean removed) over X Y | X Y |
Maximum over X Y | X Y |
Minimum over X Y | X Y |
Detrend (best-fit-line) over X Y | X Y |
Convert units from m ln(tan(pi/4+lat/2))*39.06657 to

Note on units