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首页> 外文会议>International Symposium on Remote Sensing of Environment >Probabilistic slope stability analysis, Juco River sub-basin, Paraiso, Cartago, Costa Rica
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Probabilistic slope stability analysis, Juco River sub-basin, Paraiso, Cartago, Costa Rica

机译：概率边坡稳定性分析，Juco河次流域，帕拉伊索，卡塔哥，哥斯达黎加

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摘要

The probability of occurrence of landslides has been evaluated by the use of the probabilistic model LISA (Hammond et al., 1992). This model uses the infinite slope equation and the Monte Carlo simulation to evaluate the landslide hazard (Hammond et to., 1992). In Juco river sub-basin the probability of occurrence of landslides ranges from 0 % to 38 %. The used method has worked in a quite right way, since the sector of Granados creek, where the reactivation of a landslide has happened, is inside the area with a very high hazard. On the other hand, in the entry of the sub-basin, there is an area classified as very high hazard and that perfectly can be the next place to develop landslides and mud and rocks avalanches. In the Juco river sub-basin the sectors covered by a grade of hazard very low to low are the 61.5 % of the area, the sectors of moderate hazard scarcely cover 0.2 % of the area, whereas the sectors of high to very high hazard involve 38.4% of the area.
机译：滑坡发生的可能性已经通过使用概率模型LISA进行了评估（Hammond等，1992）。该模型使用无限斜率方程和蒙特卡罗模拟来评估滑坡灾害（Hammond等，1992）。在Juco河次流域，发生滑坡的可能性为0％至38％。由于格拉纳多斯河（Granados Creek）发生滑坡复活的区域位于危险性极高的区域内，因此使用的方法的工作方式非常正确。另一方面，在该次流域的入口处，有一个被归类为极高危险的区域，并且该区域很可能是下一个发展滑坡，泥石流的地方。在Juco河子流域，危险等级从低到低覆盖的区域是该区域的61.5％，中度危害区域几乎不覆盖该区域的0.2％，而高危至极高危险区域涉及面积的38.4％。

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