Table 2 Location and movement of the center of gravity in six historical periods.

From: Spatial and temporal distribution characteristics and evolution of traditional villages in the Qihe River Basin of China

Period

Longitude

Latitude

Move distance/kilometers

Han

98.435951

35.464659

9.822

Tang

98.502451

35.474079

3.579

Song

98.481594

35.474955

2.804

Ming

98.463833

35.464910

2.387

Qing

98.481111

35.463928

0.841

Modem Times

98.473861

35.464569

N/A

  1. N/A means “not applicable” in the table
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