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Computation of mean gravity at benchmarks(mGal). Table 8

Table 8 Computation of mean gravity at benchmarks(mGal). Table 8

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Global geopotential models used in the study (refer to http://icgem.gfz-potsdam .de/tom_longtime). * Data: G = Gravity data, S = Satellite tracking data, A = Altimetry data.
Global geopotential models used in the study (refer to http://icgem.gfz-potsdam .de/tom_longtime). * Data: G = Gravity data, S = Satellite tracking data, A = Altimetry data.
Statistics for the GNSS-levelled heights of 14 points over Mombasa Region (Units in metres).
Statistics for the GNSS-levelled heights of 14 points over Mombasa Region (Units in metres).
Fig. 1. Location of GNSS-Spirit-levelled control points(Red triangles are the points enclosed by the red circle).
Fig. 1. Location of GNSS-Spirit-levelled control points(Red triangles are the points enclosed by the red circle).
Global degree anomaly variances (Kaula, 1966; R. H. Rapp, 1973; Tscherning and Rapp, 1974). Table 3
Global degree anomaly variances (Kaula, 1966; R. H. Rapp, 1973; Tscherning and Rapp, 1974). Table 3
Model comparison of omission errors by harmonic degree. Table 4
Model comparison of omission errors by harmonic degree. Table 4
Fig. 3. Geoid undulation SNR by degree of selected Geopotential models.
Fig. 3. Geoid undulation SNR by degree of selected Geopotential models.
Transformation of selected GGMs to Tide-free Permanent Tide system. Table 5
Transformation of selected GGMs to Tide-free Permanent Tide system. Table 5
Statistics of synthesised Geopotential (units: m?s~2).
Statistics of synthesised Geopotential (units: m?s~2).
Harmonic degrees of coefficients used for the combined model.
Harmonic degrees of coefficients used for the combined model.
Statistics of synthesised Geoid heights (units: metres).
Statistics of synthesised Geoid heights (units: metres).
Approach 2 standard deviations (units: m?s~?).
Approach 2 standard deviations (units: m?s~?).
Approach 1 Standard deviations (units: m?s~?).
Approach 1 Standard deviations (units: m?s~?).
Table 13 Statistics of differences between Observed and synthesised Geoid heights (units: metres).
Table 13 Statistics of differences between Observed and synthesised Geoid heights (units: metres).
Unweighted Null model results (units: m?s~*).
Unweighted Null model results (units: m?s~*).
Weighted Two parameter model results (units: m*s~).
Weighted Two parameter model results (units: m*s~).
Weighted One parameter model results (units: m?s~?).
Weighted One parameter model results (units: m?s~?).
Weighted Null model results (units: m?s~*).
Weighted Null model results (units: m?s~*).
Weighted combined model results (units: m*s~?). Table 17
Weighted combined model results (units: m*s~?). Table 17
Summary of Geopotential values computed using the ken_comb_3600_2023 model (units: m?s~).
Summary of Geopotential values computed using the ken_comb_3600_2023 model (units: m?s~).
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