西经8度线
外观
西经8度线是本初子午线向西8度的经线,是为西经8°。此经线由北极点起穿过北冰洋、大西洋、欧洲、非洲、南冰洋以及南极洲直到南极点。此段半圆路径长20,003,932千米(12,429,867英里),于赤道与本初子午线距891千米(554英里)远。[1][2]
界线所经
[编辑]从北极点到南极点,西经8度线依次经过:
爱尔兰国家格网参考系统
[编辑]爱尔兰国家格网参考系统以53°30′N 8°0′W / 53.500°N 8.000°W为原点。[3]
参见
[编辑]参考来源
[编辑]- ^ T. Vincenty. Direct and Inverse Solutions of Geodesics on the Ellipsoid with application of nested equation (PDF). 1975-04 [2017-05-17]. (原始内容存档 (PDF)于2013-01-28) (英语).
- ^ Vincenty formula for distance between two Latitude/Longitude points. Movable type scripts. [2017-05-17]. (原始内容存档于2013-01-28) (英语).
- ^ Leahy, Derek. Irish Grid Reference System. Ordnance Survey Ireland : 185 years of innovation in mapping. Dublin: Ordnance Survey Ireland. 2008-09-26 [2009-08-14]. (原始内容存档于2009-09-11) (英语).