摘要
本文通过分析西安市区人口分布特征,发现其总趋势表现为:以新城广场为中心向四周递减.试以C·克拉克经验公式d=d_oe^-βх对1990、1982、1964年三次人口普查资料进行回归分析,分别得以下三式:dх=50892.45e^-0.3292.4х dх=51974.922e^-0.38286х dх=55072.095e^-0.46977х可是,从1964—1990年,市区中心的人口密度d逐渐下降,且人口密度梯度β亦随时间的推移而减缓,即市区人口分布逐渐趋向合理.
Through analysed and compared the census datas of third times of 1990,1982 and 1964's in Xian's 44 ■ offices,the populous peculiarity Will be got.Ⅰ.The density of population was very great disparity.The distribution of population was disecluilbrium.Ⅱ.The general trend of the populous distribution was that is decreasing progressively around the centre of the New City Square.Ⅲ.The density value of population was about 30 thousand per square kilo in the old city proper,and tend to rational gradually.According to the Colin Clark's formula.?Through the statistical analysed the census datas of third times of 1990,1982 and 1964's.We can got the following formula.■To compare with them,can discover:A).In the centre of Xian,it's population density value■had reduced from 55072 per square kilo to 51974 per square kilo.Up to 1990,it had re-duced to 50892 per square kilo.The reduction was notable.B).The gradient of population density(b) is becomming alleviation while the time's going on and the dimesion's exploitating of the city.
出处
《人文地理》
CSSCI
1991年第4期66-69,共4页
Human Geography
