Skip to main content

Table 7 Statistics of the differences between land gravity anomalies and modeled values from different combinations of gravity datasets (unit: mGal)

From: High-resolution gravity and geoid models in Tahiti obtained from new airborne and land gravity observations: data fusion by spectral combination

Model Area Max Min Mean RMS Standard deviation
1500+a+o Tahiti 28.97 −57.76 −3.91 17.35 16.92
Moorea 51.94 −15.12 16.14 23.77 17.56
All 51.94 −57.76 −0.73 18.51 18.52
1500+a+o+t Tahiti 30.01 −13.44 −1.44 9.40 9.44
Moorea 24.72 −18.03 0.53 8.41 8.42
All 30.01 −18.03 0.22 8.59 8.59
1500+a+o+t+l Tahiti 4.44 −2.47 0.19 0.91 0.89
Moorea 2.15 −3.19 0.02 0.93 0.92
All 4.44 −3.19 0.16 0.91 0.90
  1. Note: 1500 is the optimal degree of expansion of EGM08 and symbols a, o, t, and l represent gravity datasets from airborne survey, altimeter, RTM, and land survey