Aeromagnetic data over Nigeria
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资源简介：
Aeromag_Nigeria has been extracted from (EMAG2v3) which is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements.
Aeromag_Nigeria Format File
Time Period 1946-01-01 to 2014-02-20
Spatial Reference System urn:ogc:def:crs:EPSG::4326
Column 1: LAT(DEG) ; Geographic Latitude WGS84 (decimal degrees)
Column 2: LON(DEG) ; Geographic Longitude WGS84 (decimal degrees)
Column 3: MAG4(nT) ; Magnetic Anomaly Value at continuous 4km altitude (nT)
Column 4: MAG_SEA ; Magnetic Anomaly Value at Sea Level(nT)
Column 6: LON-I ; grid column/longitude index
Column 5: LAT-I ; grid row/latitude index
Column 7: CODE ; Data Source Code (see table below)
Column 8: ERR ; Error estimate (nT)
104 Central Atlantic
888 Ambiguous
创建时间：
2020-10-19
