雅鲁藏布江中游江心洲、河漫滩面积及其指示的沙源特征

马鹏飞, 论珠群培, 张焱, 次仁尼玛, 逯军峰, 梁爱民, 张正偲

Sand supplement characteristics indicated by the area of river inland， flood plain in the riverbed of the Yarlung Zangbo River

Pengfei Ma, Qunpei Lunzhu, Yan Zhang, Nima Ciren, Junfeng Lu, Aimin Liang, Zhengcai Zhang

表2 不同时期河道水域、河漫滩和江心洲面积

Table 2 The area of the riverbed, flood plain and river inland in March, May, August and November

月份 河道水域/km2 河漫滩/km2 江心洲/km2 沙源比 11 136.51 73.67 203.35 1.49 3 111.62 78.99 222.95 2.00 5 143.35 74.19 196.00 1.37 8 287.53 45.45 80.61 0.28