Earth, Planets and Space

Table 2 Comparison between the regional gravimetric quasi-geoid model and the GPS/leveling data (unit [cm])

From: High-resolution regional gravity field modeling in data-challenging regions for the realization of geopotential-based height systems

	QGeoidCOL2023				QGEOID2021
	Min	Max	Mean	STD	Min	Max	Mean	STD
Before correction	− 46.14	87.74	19.21	21.27	− 57.92	84.37	13.89	27.22
planar correction	− 76.65	58.70	0.00	16.54	− 80.84	73.50	0.00	26.63
polynomial correction	− 72.44	60.94	0.00	16.08	− 83.48	72.90	0.00	24.57
4-parameter correction	− 76.33	58.40	0.00	16.55	− 81.78	70.55	0.00	24.98
5-parameter correction	− 73.25	58.09	0.00	16.35	− 82.12	71.24	0.00	24.93
7-parameter correction	− 76.06	65.21	0.00	15.76	− 85.37	72.93	0.00	24.51

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