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在对神府—东胜矿区人为泥石流沟道广泛野外调查的基础上 ,选取了 43条典型泥石流样沟。在1∶ 1 0 0 0 0地形图及卫片上进行了形态要素量测 ,应用流域地貌分析原理 ,对所有样沟各形态要素进行了详细分析 ,结果认为 ,人为泥石流沟道地势比沿程变化特征为 ,以形成区比降最大 ,区别于自然泥石流沟道 ;沟道分区面积比以汇水区面积最大 ,明显区别于湿润地区 ;流域形状以扇形为主 ,沟道给养面积较大 ,崎岖系数不太大是半干旱地区人为泥石流沟道的独特之处。
Based on the extensive field investigation of man-made debris flow channels in Shenfu-Dongsheng mining area, 43 typical debris flow samples were selected. Morphological factors were measured on the topographic map and satellite patch at 1: 10000. Based on the principle of basin topography, the morphological features of all samples were analyzed in detail. The results showed that the topography of man-made debris flow channel changed It is characterized by that the ratio of formation area is the largest, which is different from that of natural debris flow channel. The area of channel division is the largest in catchment area, which is obviously different from that in humid area. The shape of basin is fan-shaped, The coefficient is not too large, which is the uniqueness of man-made debris flow channels in semi-arid areas.