Principal facts of regional gravity data in northeast Iowa
收藏U.S. Geological Survey2019-01-01 更新2026-04-23 收录
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Gravity data were collected from 2016 through 2018 to assist in mapping subsurface geology in northeastern Iowa. This data release provides principal facts for 1080 new gravity stations that were acquired to supplement existing public gravity data coverage. References cited: Blakely, R.J., 1995, Potential Theory in Gravity and Magnetic Applications, Cambridge University Press, 441 p. International Association of Geodesy, 1971, Geodetic reference system 1967: International Association of Geodesy Special Publication No. 3, 116 p. Morelli, C., ed., 1974, the International gravity standardization net 1971: International Association of Geodesy Special Publication no.4, 194 p. Plouff, Donald, 1977, Preliminary documentation for a FORTRAN program to compute gravity terrain correctionsbased on topography digitized on a geographic grid: U.S. Geological Survey Open-File Report 77-535, 45 p., https://doi.org/10.3133/ofr77535.
创建时间：
2019-01-01
