Multistage penetration type seabed sand wave in-situ observation device and method
An observation device and penetration technology, which are used in measurement devices, surveying and navigation, open-air water source surveys, etc., can solve the problem of failure to solve sandy seabed areas, repeated measurements, time discontinuity, and inability to accurately judge sand waves. The specific situation of the migration, etc., to achieve the effect of simple and easy penetration method, simple and easy equipment, and wide applicable water area
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[0063] Example
[0064] image 3 The probe rod 4 shown is a general form, and the working mode of the present invention is described below by taking the probe rod installed with the electrode ring to form a resistivity probe rod as an example.
[0065] The method for observing the migration and changes of seabed sand waves by using a multi-stage penetration type seabed sand wave in-situ observation device based on resistivity probes includes the following steps:
[0066] 1) Indoor calibration test:
[0067] 1.1) First place the observation device in a large simulated water tank;
[0068] 1.2) Then simulate the real seabed sand wave movement process, and use the laser range finder to accurately measure the sand wave surface elevation change during the whole process, and use the probe rod of the present invention to measure the process at the same time;
[0069] 1.3) Compare the measurement results of the observation device with the measurement results of the laser rangefinde...
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