农村定居点的规律性在过去的三十年中,由于中国北部的快速城市化而发生的变化
Yansui Liu1, Cong Ou2, Yurui Li1
1Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China.
Science bulletin
|August 11, 2023
概括
一个新的成本效益模型跟踪农村定居点 (RUS) 在中国的变化.
科学领域:
- * 地理和城市规划
- * 遥感和地理空间分析
- * 可持续发展研究 可持续发展研究
背景情况:
- * 快速的城市化为可持续的农村发展带来了全球性挑战.
- * 持续跟踪农村定居点 (RUS) 对于评估农村发展不平衡至关重要.
- *目前的研究缺乏全面的,连续的RUS数据.
研究的目的:
- * 开发一个具有成本效益的模型,用于每年生成RUS数据集.
- *从1990年到2020年,分析北京-天津-河北 (BTH) 地区RUS变化的时间空间规律性.
- * 为农村住宅用地管理提供关键数据.
主要方法:
- *为俄罗斯开发一种新的,具有成本效益的映射模型.
- *使用基于位置和基于区域的比较进行验证,达到85%的准确度.
- *对俄罗斯的时间空间模式和变化类型的分析.
主要成果:
- * RUS在BTH的总面积增加了2561平方公里 (1990-2020年);RUS的平均面积在2005年后稳定.
- * 76.33%的俄罗斯人呈现上升趋势,而23.67%的俄罗斯人显示下降趋势.
- *俄罗斯的中心点转移,天津和河北向北京移动,北京正在远离.
结论:
- * 拟议的模型有效地量化了空间时间RUS模式的成本效益.
- * 结果为农村土地管理提供了明确的空间和持续的时间见解.
- *确定了56.3%的BTH县为"凸型I"RUS变化类型,突出了特定的区域动态.
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