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随着时间空间模式的变化和因外部原因而导致的死亡的城市规模
Cesar I N Sampaio Filho1,2, Humberto A Carmona1,2, Antonio S Lima Neto3,4
1Departamento de Física, Universidade Federal do Ceará, Fortaleza, Ceará, 60451-970, Brazil.
Scientific reports
|January 7, 2026
概括
死亡率的城市缩放法则揭示了巴西独特的区域模式. 凶杀案的规模减弱,自杀的规模增加,事故的规模仍然超线性,突出复杂的城市动态.
科学领域:
- 城市研究是城市研究.
- 公共卫生 公共卫生
- 社会学 社会学 社会学
背景情况:
- 城市缩放理论描述了城市指标和人口之间的权力法关系.
- 这些模式的演变,特别是在社会不平等和无计划的城市化带来的不同地区,还不太清楚.
研究的目的:
- 调查近三十年来巴西城市外部死亡原因 (杀人,自杀,事故) 的扩大模式.
- 分析区域差异和城市化模式在塑造这些扩展轨迹中的作用.
主要方法:
- 来自巴西城市的死亡率数据分析,涵盖了大约30年的时间.
- 一个层次化的贝叶斯框架的应用.
- 利用空间相关性分析来检查地理模式.
主要成果:
- 外部死亡率指标显示出不同的和区域不同的扩展轨迹.
- 杀人死亡率缩减,表明暴力再分配和城市间互动增加.
- 自杀死亡率的扩大趋势上升,表明城市聚集地保护作用减弱.
- 事故死亡率的扩展仍然是超线性的,交通事故死亡人数比例增加,而非交通事故变得超线性的.
- 自杀和事故规模的变化与不太稳定的空间模式相关,这表明城市内部的过程.
结论:
- 城市扩展指数在巴西各州发展得更加均.
- 规模调整后的死亡率仍然高度异质,由国家特定的因素驱动.
- 基本过程支配着缩放规律,但区域背景影响着它们在死亡率模式中的表现.
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