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Table 3 The DR violation statistics for the impedance tensors from the integrated offshore MT database of ERI and JAMSTEC

From: Validity of the dispersion relations in magnetotellurics. Part II: synthetic and field data

Projects The amount of impedance tensors examined
Total number Anomalous Strongly anomalous Non-causal
TIARES
(1989, 2008–2010, South Pacific Ocean)
20 (100%) 4 (20%) 4 (20%) 4 (20%)
NOMAN
(2010–2015, North Pacific Ocean)
23 (100%) 0 (0%) 0 (0%) 0 (0%)
Other projects
(1996–2013, Sea of Japan, Philippine Sea, Atlantic Ocean, etc.)
101 (100%) 8 (8%) 7 (7%) 7 (7%)
All together 144 (100%) 16 (11%) 15 (10%) 15 (10%)