A basin situated within an island arc and typically containing sediments rich in volcanic debris.
一种位于岛弧内的盆地，经含富火山碎屑的沉积物为典型。
2
It is made clear that the formation of debris surge is firstly determined by the original hydrograph of the basin.
试验表明，稀性泥石流阵性的起因首先决定于流域内形成的原始出流过程。
3
It analyzed the formative mechanism of landslide-induced debris flow, and brought forward the measure and advice about the geologic hazard around Sichuan basin.