Radiant positions of the modeled particles for different strength of the P-R drag. The positions of radiants are shown in the same way as those in Fig. 1a. The P-R drag influenced the motion of modeled particles in this case. The strength of the drag characterized with parameter β was 0.0001, 0.001, 0.002, 0.003, 0.005, and 0.007 at the streams with the radiants in plot a)–f), respectively. All the streams were modeled for time 50 kyr in the past.
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