地理科学 ›› 2016, Vol. 36 ›› Issue (1): 29-38.doi: 10.13249/j.cnki.sgs.2016.01.004
收稿日期:
2014-12-09
修回日期:
2015-03-15
出版日期:
2016-01-20
发布日期:
2016-01-20
作者简介:
作者简介:王武林(1982-),男,湖南邵阳人,博士研究生,主要从事区域交通与发展研究。E-mail:
基金资助:
Wulin Wang1, Xiaoyan Huang2, Xiaoshu Cao1,2()
Received:
2014-12-09
Revised:
2015-03-15
Online:
2016-01-20
Published:
2016-01-20
Supported by:
摘要:
以14个中国集中连片特困地区为研究对象,基于1980年、1995年、2010年的公路网络数据,定量分析公路网络结构及公路可达性的演化,并通过对公路可达性的空间自相关分析,探讨14个中国集中连片特困地区的公路可达性空间格局演化趋势。研究结果表明:1995~2010年,14个中国集中连片特困地区的公路网络结构不断优化,但优劣排名具有较稳定的继承性。1980~2010年,网络可达性有不同程度地改善,网络可达性的优劣排名具有稳定性;栅格可达性相对较好的为罗霄山区、吕梁山区、大别山区等,相对较差的西藏、四省藏区、新疆南疆三地州;根据1980~2010年网络可达性的空间集聚关系,将14个中国集中连片特困地区的可达性空间格局演化趋势划分为维持原样型、趋于集聚型、趋于均衡型3个类型。
中图分类号:
王武林, 黄晓燕, 曹小曙. 1980~2010年中国集中连片特困地区公路可达性演化研究[J]. 地理科学, 2016, 36(1): 29-38.
Wulin Wang, Xiaoyan Huang, Xiaoshu Cao. Evolution of Road Accessibility of Concentrated Contiguous Areas with Particular Difficulties in China from 1980 to 2010[J]. SCIENTIA GEOGRAPHICA SINICA, 2016, 36(1): 29-38.
表1
2010年14个片区概况"
编号 | 名称 | 面积 (×104km2) | 省级行政单位 | 地级行政单位(个) | 县级行政单位(个) | GDP (亿元) | 人口 (万人) |
---|---|---|---|---|---|---|---|
1 | 六盘山区 | 15.30 | 陕、甘、青、宁 | 15 | 61 | 1715.19 | 2075 |
2 | 秦巴山区 | 21.83 | 豫、鄂、渝、川、陕、甘 | 18 | 75 | 2300.62 | 3552 |
3 | 武陵山区 | 16.32 | 鄂、湘、渝、黔 | 12 | 64 | 3088.16 | 3422 |
4 | 乌蒙山区 | 10.70 | 川、黔、云 | 10 | 38 | 1474.49 | 2287 |
5 | 滇桂黔石漠化区 | 21.28 | 桂、黔、云 | 15 | 80 | 2390.02 | 2931 |
6 | 滇西边境山区 | 19.21 | 云 | 10 | 56 | 1351.90 | 1436 |
7 | 大兴安岭南麓山区 | 11.18 | 内蒙、吉、黑 | 4 | 19 | 828.01 | 708 |
8 | 燕山-太行山区 | 9.27 | 冀、晋、内蒙 | 6 | 33 | 1307.79 | 1099 |
9 | 吕梁山区 | 3.63 | 晋、陕 | 4 | 20 | 396.42 | 403 |
10 | 大别山区 | 6.47 | 皖、豫、鄂 | 11 | 36 | 3311.75 | 3608 |
11 | 罗霄山区 | 5.21 | 赣、湘 | 6 | 23 | 1108.83 | 1109 |
12 | 西藏 | 122.84 | 藏 | 7 | 74 | 715.78 | 281 |
13 | 四省藏区 | 99.62 | 云、川、甘、青 | 12 | 77 | 1027.13 | 536 |
14 | 新疆南疆三地州 | 43.65 | 新 | 3 | 24 | 475.37 | 661 |
表3
1995、2010年14个片区省道以上公路网络连通性"
片区 | 年份 | 网络连接程度指标 | 网络扩展潜力指标 | 路网连通度D | ||
---|---|---|---|---|---|---|
连接率β | 环路指数μ | 实际成环率a | 实际结合度γ | |||
六盘山区 | 1995 | 1.419(7) | 63(3) | 0.216(7) | 0.479(7) | 1.566(4) |
2010 | 1.458(10) | 99(3) | 0.234(10) | 0.491(10) | 1.960(3) | |
秦巴山区 | 1995 | 1.396(8) | 62(4) | 0.205(8) | 0.471(9) | 1.115(8) |
2010 | 1.503(8) | 94(4) | 0.258(8) | 0.506(8) | 1.760(5) | |
武陵山区 | 1995 | 1.386(9) | 50(7) | 0.201(9) | 0.469(10) | 1.181(6) |
2010 | 1.492(9) | 88(5) | 0.252(9) | 0.503(9) | 1.491(7) | |
乌蒙山区 | 1995 | 1.378(10) | 32(10) | 0.201(10) | 0.471(8) | 1.019(10) |
2010 | 1.580(6) | 41(9) | 0.308(6) | 0.542(6) | 1.076(11) | |
滇桂黔石漠化区 | 1995 | 1.511(5) | 91(1) | 0.262(5) | 0.510(5) | 1.293(5) |
2010 | 1.534(7) | 111(2) | 0.273(7) | 0.516(7) | 1.478(8) | |
滇西边境山区 | 1995 | 1.280(11) | 36(9) | 0.147(11) | 0.434(11) | 1.119(7) |
2010 | 1.331(12) | 40(10) | 0.173(13) | 0.451(13) | 1.179(10) | |
大兴安岭南麓山区 | 1995 | 1.519(4) | 15(12) | 0.306(4) | 0.547(4) | 0.851(12) |
2010 | 1.653(4) | 33(11) | 0.355(4) | 0.574(4) | 1.244(9) | |
燕山-太行山区 | 1995 | 1.771(2) | 55(6) | 0.407(2) | 0.608(2) | 1.571(3) |
2010 | 1.796(2) | 79(6) | 0.414(2) | 0.611(2) | 1.860(4) | |
吕梁山区 | 1995 | 1.583(3) | 22(11) | 0.328(3) | 0.559(3) | 1.089(9) |
2010 | 1.667(3) | 29(12) | 0.367(3) | 0.583(3) | 1.535(6) | |
大别山区 | 1995 | 1.817(1) | 77(2) | 0.425(1) | 0.619(1) | 1.749(1) |
2010 | 1.894(1) | 162(1) | 0.456(1) | 0.639(1) | 2.515(1) | |
罗霄山区 | 1995 | 1.442(6) | 58(5) | 0.229(6) | 0.488(6) | 1.640(2) |
2010 | 1.610(5) | 62(7) | 0.318(5) | 0.548(5) | 1.985(2) | |
西藏 | 1995 | 1.070(14) | 11(13) | 0.039(14) | 0.362(14) | 0.748(14) |
2010 | 1.103(14) | 10(14) | 0.059(14) | 0.376(14) | 0.875(14) | |
四省藏区 | 1995 | 1.193(12) | 41(8) | 0.100(13) | 0.402(13) | 0.861(11) |
2010 | 1.352(11) | 52(8) | 0.182(12) | 0.457(12) | 1.062(12) | |
新疆南疆三地州 | 1995 | 1.176(13) | 7(14) | 0.111(12) | 0.417(12) | 0.780(13) |
2010 | 1.327(13) | 17(13) | 0.183(11) | 0.461(11) | 1.059(13) |
表4
1980~2010年14个片区公路网络可达性值变化(h)"
片区 | 1980年 | 1995年 | 2010年 | ||||||
---|---|---|---|---|---|---|---|---|---|
均值 | 最小值 | 最大值 | 均值 | 最小值 | 最大值 | 均值 | 最小值 | 最大值 | |
六盘山区 | 8.9 | 6.6 | 13.5 | 6.9 | 5.3 | 9.1 | 5.1 | 3.6 | 8.7 |
秦巴山区 | 12.5 | 8.4 | 22.0 | 8.4 | 5.7 | 16.4 | 6.1 | 4.3 | 9.2 |
武陵山区 | 9.4 | 6.5 | 17.2 | 6.7 | 4.5 | 9.9 | 4.2 | 2.8 | 7.8 |
乌蒙山区 | 11.3 | 7.6 | 18.5 | 8.3 | 5.4 | 13.1 | 5.3 | 3.7 | 8.5 |
滇桂黔石漠化区 | 11.4 | 8.6 | 18.4 | 8.3 | 6.2 | 12.9 | 5.4 | 4.1 | 8.3 |
滇西边境山区 | 10.8 | 7.5 | 17.4 | 8.0 | 5.3 | 13.2 | 6.4 | 4.1 | 13.8 |
大兴安岭南麓山区 | 9.0 | 7.5 | 15.2 | 5.7 | 4.0 | 15.0 | 4.3 | 2.9 | 8.0 |
燕山-太行山区 | 6.8 | 5.0 | 11.0 | 5.5 | 3.8 | 8.4 | 3.7 | 2.6 | 5.6 |
吕梁山区 | 6.7 | 4.7 | 10.9 | 3.9 | 2.8 | 5.3 | 3.1 | 2.3 | 4.7 |
大别山区 | 7.5 | 5.3 | 11.4 | 5.5 | 3.5 | 7.5 | 3.1 | 2.3 | 3.9 |
罗霄山区 | 6.3 | 4.5 | 8.9 | 4.5 | 3.2 | 6.5 | 3.1 | 2.3 | 4.6 |
西藏 | 20.2 | 13.5 | 36.8 | 15.7 | 9.9 | 27.5 | 12.2 | 7.8 | 22.3 |
四省藏区 | 22.6 | 16.7 | 40.0 | 15.8 | 12.1 | 27.1 | 12.7 | 10.1 | 21.5 |
新疆南疆三地州 | 9.4 | 6.5 | 18.6 | 6.3 | 4.4 | 11.4 | 4.5 | 3.2 | 8.5 |
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