Geodesy icon - a globe

Geodesy

The science of accurately measuring and understanding the Earth's geometric shape, orientation in space, and gravity field.

partial gravity map for Hawaii
An airplane flying over a coastal area
a map of coastal areas
A LIDAR (Light Detection and Ranging) image created with data collected by NOAA's National Geodetic Survey
a geodesist in the field
A Global Positioning System is set up on a benchmark in Shell Beach, Louisiana.