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Tidal analysis of data recorded by a superconducting gravimeter
oleh: F. Palmonari, S. Focardi, G. Casula, P. Baldi
| Format: | Article |
|---|---|
| Diterbitkan: | Istituto Nazionale di Geofisica e Vulcanologia (INGV) 1995-06-01 |
Deskripsi
A superconducting gravimeter was used to monitor the tidal signal for a period of five months. The instrument was placed in a site (Brasimone station, Italy) chat-acterized by a low noise level, and was calibrated with a precision of 0.2%. Then tidal analysis on hourly data was performed and the results presented in this paper; amplitudes, gravimetric factors, phase differences for the main tidal waves, M2, S2, N2, 01, Pl, K1, QI, were calculated together with barometric pressure admittance and long term instrumental drift.