Table 3 Classification for the predicted susceptibility of watershed-based debris flow by using gradient boosting machine.

From: Assessing Susceptibility of Debris Flow in Southwest China Using Gradient Boosting Machine

Class

Number of Watersheds

Area (km2)

Percentage (%)

Very low

1342

226600

47

Low

328

56500

12

Moderate

212

33500

7

High

292

51500

10

Very high

297

58600

12

N/Aa

/

58000

12

  1. aN/A: Not applicable. The debris-flow formation conditions were inadequate in the plateaus and plains, and thus these areas were excluded from the susceptibility modeling.
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