Table 2 Indicators used in this study to quantify the protective effect of coppice forests
From: Managing coppice forests for rockfall protection: lessons from modeling
Indicators derived from Rockyfor3D simulations | ||||
Indicators for run-out distance | Indicators for rock energy | Resolution | ||
No. | Number of rocks passing a certain measuring line (out of 1 million) | E 95 (kJ) | 95 % quantile of the energy of all rocks passing a certain measure line | Measuring line |
d 95 (m) | Run-out distance at which 95 % of the rocks are stopped and extracted from the number of passing rocks | – | – | Forest stand |
PE d (%) | Protective effect of a certain forest in relation to no forest cover | – | – | Forest stand |
Indicators calculated from stand parameters | ||||
MTFD (m) | Mean tree free distance calculated based on basal area and stem density (see equation in Section 2.4) | Forest stand | ||