[MITgcm-support] The errors in the Eta when Pickup is used

[Mike]

Hi all,


I used MITgcm to simulate the internal tide in the practical experiment and tryed to use the pickup. 
In the testing experiments, the model was run about 10 days in the Step1; then, in Step2 the model was run from the pickup file stored at the 8th day. In addition, the staggerTimeStep was used in the model. I found that the simulated results, including u, v, w, temp and salt, were all nearly equal in the overlappling intervals, but the Eta was not. In addition, the  The figure of the simulated results at one grid point is shown as follows:




Could you help me? Thanking in advance, Mike
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