表10-1各种地球椭圆体的形状参数 测算者 发表年代长半轴δ(m)短半轴b(m) 扁f Delambre 1800 375563.00 6356103.00 327.623998 ).(78720, Ebereslo l810 6377304.006356103.00300.8020380.08117294 1830 377276.3.56356075.41 300.80170e 0.08147298 (!8169683 Clarke 6378206.40635658.1.00 294.981427 0.08227147 Clarke 1880 6378249.156356515.00293.166.3900.08248、31 Harkness l891 637792.006356727.00 00.2)00000.08155303 mer 1901 6378200.006356818.00298.3000000.08181366 Hayford 1906 6378388.00635691 297.0007450.08199179 willisch 19156378372.006356896. 297.0000000.08199189 国际基准椭圆 1924 6378388.006356912.00297.0000000.08199179 Heiskanen 1926 6378397.006356921 297.000000 0.08199173 地球参教 Krassowski1940,19426378245.006356863 298.2997380.08181337 Fisher 1960 6378163.006356781 298.300000 0.08181333 IAU-64 1964 6378160 6356775.00298.2500000.08181964 IAU-67 1967 6378160.006356774.52298.247167 0.08182057 WGS-72 1972 6378135.006356750.52298.2600000.08181881 NWL-9D 1973 6378145.006356759.77298.2500000.08182018 SAO-SE3 1973 6378140.006356755.22298.2560000.08181936 IAU-76 1976 6378140.006366755.29298.2570000.08181922 GRS-80 1980 6378137.006356755.00298.2570000.08181406 GRS-80改订 1984 6378136.006356751.03298.257000 0.08181974 WGS-84 1986 6378137.00 6356752.31 298.257223 0.08181919( 二) 地 球 参 数