300 BC-1900 AD无定河流域城镇时空格局演变
佟彪,党安荣,许剑

A historical study on the patterns of spatio-temporal evolution of towns in the Wuding River Basin
TONG Biao,DANG Anrong,XU Jian
图3 气候变化与城镇数量及城址复用率的关系图
注:温度数据摘自葛全胜等[20]
Fig. 3 The relationship between climate change, towns number and rate of town-sites reuse