The sediment connectivity index includes sediment load C7 and the
sediment matching index C8. The latter is calculated by the radio
sediment load and sediment transport capacity, which can reflect the
erosion and deposition of the river channel. Therefore, the sediment
load is more important than the sediment matching index. Thus, the value
of the sediment load is 0.6, and the value of the sediment transport
matching index is 0.4.
According to the hierarchical relationship of the channel connectivity
index, the weight is obtained as shown in Fig. 2 (b), and the
corresponding weight matrix is