Detecting Electromagnetic Geographical Environment Changes Based on the Frequency-Intensity Curve

Figure 7

Spatial distribution pattern of anomalous points in each frequency: (a) electric field (0~100 K); (b) electric field (100 K~200 K); (c) magnetic field (0~100 K); (d) magnetic field (100 K~200 K); (e) high-frequency electric field (200 K~10 M); (f) high-frequency electric field (10 M~2 G).

(a)

(b)

(c)

(d)

(e)

(f)