A Review of the Advantages and Limitations of Geophysical Investigations in Landslide Studies

Figure 3

The bar graph indicates the percentage of efforts made (+ means many/some, - means insufficient, and n.d. means nondiscussed) to overcome each drawback. The percentages of papers focused on “soil” landslides are in red, those of papers focused on “rock” landslides are in green, while in blue are the total percentages. The numbers on the top of each bar indicate the numbers of papers.