OBSERVATIONS OF SEASONAL PLUMB LINE VARIATIONS OBTAINED WITH HELP OF THE LONG WATER-TUBE TILTMETER, IN PERIOD 2004 TO 2006 Marek Kaczorowski Space Research.

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Presentation transcript:

OBSERVATIONS OF SEASONAL PLUMB LINE VARIATIONS OBTAINED WITH HELP OF THE LONG WATER-TUBE TILTMETER, IN PERIOD 2004 TO 2006 Marek Kaczorowski Space Research Centre, Polish Academy of Sciences Bartycka 18A, , Warsaw, Poland

Tube meters long situated in azimuths – Tube meters long situated in azimuths Underground with marked locations of instruments.

Large scale geodynamic signals produce exactly correlated phases of water level variations at ends of the tube (exactly opposite phases variations). Local signals originated from the surrounding of the instrument or inside hydrodynamic system of the instrument produce signals of conformable phases or signals occurred only in one end of the tube. We obtain time series of plumb line variations from differences : The difference method of plumb line variations measurements The time series of errors without large scale geodynamic signals are given by formulas : Large scale geodynamic signals affecting water in the tube:

Results of tidal adjustment of the sum of signals from both ends of the tube FrequencyWavesTheoretical Amplitude Phase fromtoGroupAmplitude Factor stdv.lagstdv. [cpd] [mas][deg] Q O K N M S

Series of plumb line variations since 2004 to 2006 in azimuth degree after low-pass filtration.

Series of plumb line variations since 2004 to 2006 in azimuth degree after low-pass filtration.

Channels 01-02

Channels 03-04

Plot of plumb line variations since 2004 to 2006 after low- pass filtration.

Thank you for attention