Fig. 9: Validation results of physical simulation experiments and Kalman filtering method.
From: DNA-sequencing method maps subsurface fluid flow paths for enhanced monitoring

Fluid interface level in Wells a 8P406 and b 6XN3. c–d The DNA sequencing results of the Physical Simulation experiments. c The relative abundance of the A1, A2, and A3. d Venn diagram of OTUs for A1, A2, and A3. Inter-well communication coefficients based on the Kalman filtering method: (e) Well 7N3, (f) Well 5–4, and (g) Well 5N5.