STRIKING REVISIONS OF VERTICAL DATUM AND PROCEDURES FOR CALCULATING GRAVITY ANOMALIES IN NORTH AMERICA
ZENG Hua-lin
Geo-detection Laboratory, Ministry of Education, School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China
The North America gravity database as well as database from Canada, Mexico and the United States are being revised, and the revision includes the following two items: the use of the internationally accepted terrestrial ellipsoid for the height datum of gravity stations rather than the conventionally used geoid or sea level, and the modification of procedures for calculating gravity anomalies, including corrections for theoretical gravity, atmospheric effect, height effect, Bouguer effect, indirect effect, terrain and bathymetry effect, and isostatic compensation effect.
曾华霖. 北美国家高程基准面及重力异常计算方法的重大修改[J]. 物探与化探, 2008, 32(1): 8-12.
ZENG Hua-lin. STRIKING REVISIONS OF VERTICAL DATUM AND PROCEDURES FOR CALCULATING GRAVITY ANOMALIES IN NORTH AMERICA. Geophysical and Geochemical Exploration, 2008, 32(1): 8-12.
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