Acta Geographica Sinica ›› 2022, Vol. 77 ›› Issue (2): 411-425.doi: 10.11821/dlxb202202010
• Population Geography • Previous Articles Next Articles
KE Wenqian1,2,3(), ZHU Yu1,2,3(
), CHEN Chen3, Guy J. ABEL3, LIN Liyue1,2,3, LIN Jie1,2
Received:
2021-02-04
Revised:
2021-10-29
Online:
2022-02-25
Published:
2022-04-19
Contact:
ZHU Yu
E-mail:wqke2005@163.com;zhu300@fjnu.edu.cn
Supported by:
KE Wenqian, ZHU Yu, CHEN Chen, Guy J. ABEL, LIN Liyue, LIN Jie. Spatio-temporal evolution of migration in China from 1995 to 2015[J].Acta Geographica Sinica, 2022, 77(2): 411-425.
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Tab. 1
Characteristic indexes of migration
具体指标 | 计算公式 | 含义 | |
---|---|---|---|
全 国 层 面 的 指 标 | 全国总迁移量 | | 度量人口在全国的总迁移数量,数值越大表示人口迁移规模越大。 |
全国净迁移量 | | 度量人口在全国的净迁移数量,数值越大表示净迁移规模越大。 | |
全国总迁移系数 | | 度量人口在全国的总迁移特性,数值越大表示总迁移强度越高。 | |
全国净迁移系数 | | 度量人口在全国的净迁移率,数值越大表示净迁移强度越高。 | |
地(市)层 面 的 指 标 | 地(市)总迁移量 | | 度量人口在各城市的总迁移数量,数值越大表示总迁移规模越大。 |
地(市)净迁移量 | | 度量人口在各城市的净迁移数量,数值越大表示净迁移规模越大。 | |
地(市)总迁移系数 | | 表征迁移的活跃程度,值越高迁移越活跃,反之则不活跃。 | |
地(市)净迁移系数 | | 表征迁移的源汇特征,正值为净迁入,负值为净迁出;正值越大,净迁入强度越高,反之则净迁出强度越高。 |
Tab. 2
Classification method of regional types of migration
地域类型 | 划分标准 |
---|---|
非活跃型 | GRi < 1/10 |
平衡活跃型 | GRi ≥ 1/10,且-1/10 < NRi < 1/10 |
大规模净迁入活跃型 | GRi ≥ 1/10,且NRi ≥ 1/10,且Ii ≥ 50万 |
小规模净迁入活跃型 | GRi ≥ 1/10,且NRi ≥ 1/10,且Ii < 50万 |
大规模净迁出活跃型 | GRi ≥ 1/10,且NRi ≤ -1/10,且Oi ≥ 50万 |
小规模净迁出活跃型 | GRi ≥ 1/10,且NRi ≤ -1/10,且Oi < 50万 |
Tab. 3
Measurement results of migration indexes among prefecture-level administrative units from 1995 to 2015
指标/时段 | 1995—2000年 | 2000—2005年 | 2005—2010年 | 2010—2015年 |
---|---|---|---|---|
全国层面的人口迁移指标 | ||||
全国总迁移量(万人) | 10387.8 | 11167.0 | 15240.4 | 15826.6 |
全国净迁移量(万人) | 5853.0 | 6879.8 | 9510.4 | 9136.0 |
全国总迁移系数(%) | 8.98 | 9.19 | 12.30 | 12.46 |
全国净迁移系数(%) | 5.06 | 5.66 | 7.68 | 7.19 |
地(市)层面人口迁移指标的变异系数 | ||||
地(市)总迁移量的变异系数 | 1.44 | 1.59 | 1.47 | 1.40 |
地(市)净迁移量的变异系数 | 2.19 | 2.15 | 2.02 | 1.95 |
地(市)总迁移系数的变异系数 | 3.48 | 1.81 | 1.15 | 0.92 |
地(市)净迁移系数的变异系数 | 5.44 | 2.74 | 1.82 | 1.46 |
Tab. 4
Statistics of regional types of migration in China from 1995 to 2015
地域类型 | 净迁入活跃型合计 | 其中:大规模净迁入活跃型 | 其中:小规模净迁入活跃型 | 净迁出活跃型合计 | 其中:大规模净迁出活跃型 | 其中:小规模净迁出活跃型 | 平衡活跃型合计 | 非活跃型合计 | |
---|---|---|---|---|---|---|---|---|---|
数量占比(%) | 1995—2000年 | 5.63 | 3.13 | 2.50 | 0.63 | 0.00 | 0.63 | 17.81 | 75.94 |
2000—2005年 | 7.50 | 6.25 | 1.25 | 3.44 | 1.25 | 2.19 | 11.56 | 77.50 | |
2005—2010年 | 8.44 | 7.50 | 0.94 | 8.44 | 2.50 | 5.94 | 35.00 | 48.13 | |
2010—2015年 | 7.51 | 6.88 | 0.63 | 8.06 | 2.50 | 6.56 | 38.13 | 45.31 | |
迁入人口占比(%) | 1995—2000年 | 41.77 | 38.24 | 3.53 | 0.14 | 0.00 | 0.14 | 24.41 | 33.67 |
2000—2005年 | 58.57 | 57.78 | 0.79 | 0.56 | 0.33 | 0.23 | 12.25 | 28.62 | |
2005—2010年 | 61.05 | 60.42 | 0.63 | 1.55 | 0.56 | 0.99 | 21.47 | 15.94 | |
2010—2015年 | 55.11 | 54.86 | 0.25 | 1.39 | 0.56 | 0.83 | 26.27 | 17.23 | |
迁出人口占比(%) | 1995—2000年 | 4.05 | 3.33 | 0.72 | 1.20 | 0.00 | 1.20 | 20.61 | 74.14 |
2000—2005年 | 7.23 | 7.08 | 0.15 | 8.89 | 4.87 | 4.02 | 14.15 | 69.74 | |
2005—2010年 | 7.10 | 6.92 | 0.18 | 14.19 | 8.10 | 6.09 | 32.97 | 45.74 | |
2010—2015年 | 7.68 | 7.57 | 0.11 | 14.99 | 8.25 | 6.74 | 32.77 | 44.56 |
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