Knowledge Base

What projections are used for gridded Operation IceBridge data sets?

Arctic

The standard projection parameters for Northern Hemisphere Operation IceBridge data are:

  • Polar Stereographic
  • Standard Parallel 70° N
  • Longitude of the origin (central meridian): 45° W
  • WGS 84 ellipsoid

This projection is defined as EPSG:3413. Examples of other NSIDC DAAC data sets using this projection include:

Antarctic

The standard projection parameters for Southern Hemisphere IceBridge data are:

  • Polar Stereographic
  • Standard Parallel 71° S
  • Longitude of the origin (central meridian): 0°
  • WGS 84 ellipsoid

This projection is defined as EPSG:3031. Examples of other NSIDC DAAC data sets using this projection include: