World Regional Studies ›› 2023, Vol. 32 ›› Issue (2): 23-35.DOI: 10.3969/j.issn.1004-9479.2023.02.2021175
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Anqi LI1(), Xin CAO1,2,3, Xihong CUI1,2,3(), Hanwei LIANG4, Qiang LI1, Zhenxian QUAN1, Zheng ZHANG1
Received:
2021-03-12
Revised:
2021-05-17
Online:
2023-02-15
Published:
2023-02-24
Contact:
Xihong CUI
李安琪1(), 曹鑫1,2,3, 崔喜红1,2,3(), 梁涵玮4, 李强1, 全振先1, 张政1
通讯作者:
崔喜红
作者简介:
李安琪(1999—),女,硕士研究生,主要研究方向:资源环境遥感,E-mail:xynh_xiaoliba@163.com。
基金资助:
Anqi LI, Xin CAO, Xihong CUI, Hanwei LIANG, Qiang LI, Zhenxian QUAN, Zheng ZHANG. Spatio-temporal characteristics analysis of artificial surface evolution in South Asia based on GlobeLand 30[J]. World Regional Studies, 2023, 32(2): 23-35.
李安琪, 曹鑫, 崔喜红, 梁涵玮, 李强, 全振先, 张政. 基于GlobeLand 30的南亚各国人造地表变化时空特征分析[J]. 世界地理研究, 2023, 32(2): 23-35.
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URL: https://sjdlyj.ecnu.edu.cn/EN/10.3969/j.issn.1004-9479.2023.02.2021175
项目 | 印度 | 斯里兰卡 | 巴基斯坦 | 尼泊尔 | 不丹 | 马尔代夫 | 孟加拉国 |
---|---|---|---|---|---|---|---|
面积/km2 | 2 980 000 | 65 610 | 796 095 | 147 181 | 38 394 | 90 000 | 147 570 |
人口/百万人 | 1 324 | 21.44 | 208 | 28.94 | 0.75 | 0.44 | 164 |
人口密度/(人/km2) | 450 | 338 | 255 | 202 | 21 | 1 392 | 1 265 |
Tab.1 Overview of South Asian countries
项目 | 印度 | 斯里兰卡 | 巴基斯坦 | 尼泊尔 | 不丹 | 马尔代夫 | 孟加拉国 |
---|---|---|---|---|---|---|---|
面积/km2 | 2 980 000 | 65 610 | 796 095 | 147 181 | 38 394 | 90 000 | 147 570 |
人口/百万人 | 1 324 | 21.44 | 208 | 28.94 | 0.75 | 0.44 | 164 |
人口密度/(人/km2) | 450 | 338 | 255 | 202 | 21 | 1 392 | 1 265 |
类型 | 取值范围 |
---|---|
高度扩散 | |
中度扩散 | |
低度扩散 | |
无扩张地区 | |
低度聚合 | |
中度聚合 | |
高度聚合 |
Tab.2 Classification basis of spatial pattern evolution of artificial surface based on urban expansion phases theory
类型 | 取值范围 |
---|---|
高度扩散 | |
中度扩散 | |
低度扩散 | |
无扩张地区 | |
低度聚合 | |
中度聚合 | |
高度聚合 |
国家 | 城市规模 | 2000—2010年新增斑块面积占比 | 2000—2010年新增斑块数量占比 | 2010—2020年新增斑块面积占比 | 2010—2020年新增斑块数量占比 |
---|---|---|---|---|---|
尼泊尔 | 大城市 | 26% | 36% | 53% | 31% |
中等城市 | 36% | 45% | 17% | 49% | |
小城市 | 38% | 19% | 30% | 20% | |
斯里兰卡 | 大城市 | 22% | 20% | 52% | 31% |
中等城市 | 22% | 18% | 18% | 35% | |
小城市 | 56% | 62% | 30% | 35% | |
巴基斯坦 | 大城市 | 58% | 64% | 48% | 39% |
中等城市 | 15% | 15% | 19% | 27% | |
小城市 | 27% | 21% | 33% | 34% | |
印度 | 大城市 | 3% | 1% | 4% | 3% |
中等城市 | 3% | 5% | 7% | 4% | |
小城市 | 94% | 94% | 89% | 93% | |
不丹 | 大城市 | 8% | 4% | 64% | 50% |
中等城市 | 90% | 82% | 21% | 42% | |
小城市 | 2% | 14% | 15% | 8% | |
孟加拉国 | 大城市 | 28% | 21% | 13% | 22% |
中等城市 | 18% | 17% | 28% | 16% | |
小城市 | 54% | 62% | 59% | 62% |
Fig.3 The increase of artificial surface in cities of different sizes
国家 | 城市规模 | 2000—2010年新增斑块面积占比 | 2000—2010年新增斑块数量占比 | 2010—2020年新增斑块面积占比 | 2010—2020年新增斑块数量占比 |
---|---|---|---|---|---|
尼泊尔 | 大城市 | 26% | 36% | 53% | 31% |
中等城市 | 36% | 45% | 17% | 49% | |
小城市 | 38% | 19% | 30% | 20% | |
斯里兰卡 | 大城市 | 22% | 20% | 52% | 31% |
中等城市 | 22% | 18% | 18% | 35% | |
小城市 | 56% | 62% | 30% | 35% | |
巴基斯坦 | 大城市 | 58% | 64% | 48% | 39% |
中等城市 | 15% | 15% | 19% | 27% | |
小城市 | 27% | 21% | 33% | 34% | |
印度 | 大城市 | 3% | 1% | 4% | 3% |
中等城市 | 3% | 5% | 7% | 4% | |
小城市 | 94% | 94% | 89% | 93% | |
不丹 | 大城市 | 8% | 4% | 64% | 50% |
中等城市 | 90% | 82% | 21% | 42% | |
小城市 | 2% | 14% | 15% | 8% | |
孟加拉国 | 大城市 | 28% | 21% | 13% | 22% |
中等城市 | 18% | 17% | 28% | 16% | |
小城市 | 54% | 62% | 59% | 62% |
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