Fig. 7
From: Research on water inrush early warning of coal seam floor based on naive Bayes classification
Probability contour maps of the coal seam floor of Ji 17-33200 coal mining face. (a) The probability contour map obtained from the data measured by the Wenner α array on September 7th, September 8th, September 9th, and September 10th, 2022; (b) The probability contour map obtained from the data measured by the Wenner α array on September 8th, September 9th, September 10th, and September 11th, 2022.
