Fig 1.
Check dams with ecological benefits.
Fig 2.
Breach of check dams in Suide County.
Fig 3.
Technology road map of the combined weight-TOPSIS model.
Fig 4.
Risk evaluation index system of check dam systems.
Table 1.
Determining principles of scales.
Table 2.
Random consistency index.
Table 3.
Connotation of risk evaluation indices for check dam systems.
Fig 5.
Location of the area (a, b); the altitude of the Wangmaogou watershed (c, Drawn by ESRI’s ArcGIS); the layout of check dam types (d).
Table 4.
Summary table of evaluation index.
Fig 6.
The weight of the check dam system risk evaluation index in the Wangmaogou watershed.
Fig 7.
Euclidean distance and relative closeness degree of check dam system units in the Wangmaogou watershed.
Fig 8.
The Breach of Wangmaogou No. 2 backbone dam.
Table 5.
Closeness degree and risk ranking result.
Fig 9.
Comparison of fitting results of correlation closeness between the combined weight-TOPSIS model and gray theory model.
Table 6.
Comparison of closeness degree and risk ranking results between the combination weight-TOPSIS and gray relational analysis.