The Ghanaian gravimetric geoid: GGG2017

The Ghanaian Gravimetric Geoid 2017 (GGG2017) covers the area between 4°N to 12°N and 4°W to 2°E. It is referred to the WGS84 reference ellipsoid and was computed using Heck and...加纳重力似大地水准面2017（Ghanaian Gravimetric Geoid 2017，简称GGG2017）覆盖北纬4°至12°、西经4°至东经2°的区域。该数据集以WGS84参考椭球为基准，并采用Heck等人的方法进行计算（原文此处表述未完整）。