Estimation of Risk Thresholds for a Landslide in the Three Gorges Reservoir Based on a KDE-Copula-VaR Approach

Figure 8

Joint cumulative distribution functions (CDFs) between rainfall intensity, reservoir fluctuation, and landslide velocity constructed with the Frank copula. (a, c) Joint CDF between rainfall intensity and reservoir fluctuation. (b, e) Joint CDF between rainfall intensity and landslide velocity. (d, f) Joint CDF between reservoir fluctuation and landslide velocity.