Leveling total‐field aeromagnetic data with measured horizontal gradients
Autor: | J. Bradley Nelson |
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Rok vydání: | 1994 |
Předmět: | |
Zdroj: | GEOPHYSICS. 59:1166-1170 |
ISSN: | 1942-2156 0016-8033 |
Popis: | Temporal changes in the earth’s magnetic field occur in the frequency band of millihertz to a few Hertz. Amplitudes of variations above 0.1 Hz are usually much smaller than 1 nT, changes of 50–100 nT over periods of a few hours are not uncommon. |
Databáze: | OpenAIRE |
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