Table 4.

Influencing factors and explanatory power of factors

DimensionIndexEvaluating indicatorData sourcesQ value
Natural geographical factorsTopographic features x1AltitudeGeospatial data cloud DEM data0.38
Rivers x2Water system density, old course of riversGeospatial data cloud DEM data0.86
Shandong Province Water Resources Journal 2018
Socioeconomic factorsEconomic development level x3Regional Gross Domestic Product and Urbanisation RateShandong Statistical Yearbook 20220.36
Water conservancy project x4Dock ferry, sluice gate entrance, dam dangerous works
Culture x5Ancient settlements, memorial halls, museums, historical sitesShandong Province Water Resources Journal 20180.92
Historical documents, field surveys0.89

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