Table 2 Indicators of impact factors of Military Requirement(MR) in Zhenbao Town

From: Resource supply and demand model of military settlements in the cold weapon era: case of Zhenbao Town, Ming Great Wall

Influences

Impact indicator

Calculation method

B4: Social Factors

D10: Taxes Paid of the County Unit

Number of county taxes paid / Area of the county

D11: Historical County Kernel Density

Extracting raster kernel density values and assigning them to fishing raster

B5: Political Factors

D12: Distance to the Capital

The distance to the capital (Beijing)

B6: Military Factors

D13: Influence on Joint Defense of the Great Wall

Distance-weighted inner and outer Great Wall