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首页> 外文期刊>Mitigation and Adaptation Strategies for Global Change >Human settlement and regional development in the context of climate change: a spatial analysis of low elevation coastal zones in China
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Human settlement and regional development in the context of climate change: a spatial analysis of low elevation coastal zones in China

机译：气候变化背景下的人类住区与区域发展：中国低海拔沿海地区的空间分析

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摘要

Low elevation coastal zone (LECZ) in China is densely populated and economically developed, which is exposed to increasing risks of hazards related to climate change and sea level rise. To mitigate risks and achieve sustainable development, we need to better understand LECZ. As the first step, in this paper we define the extent of the LECZ in China, and analyze the spatial distribution of LECZ and its population, using a geographic information system software (ArcGIS) to combine elevation models and population data sets. Our findings show that, overall, this zone covers 2.0 % of China's land area but contains 12.3 % of the total population, which is the largest population living in LECZ in the world. There are large regional variations in the distribution of both LECZ and LECZ population, with half of the LECZ within 30 km from the coastline, and Jiangsu Province having the largest LECZ area and population. The LECZ is also concentrated in three major economic zones in China, which accounts for 54 % of LECZ and three quarters of all LECZ population in China. The impact of future climate change on China's LECZ is exacerbated by rapid economic and population growth, urbanization and environmental degradation. Coordinating development in coastal and inland China, enhancing adaptive capacity and implementing integrated risk management for LECZ are needed to reduce the risks related to climate change and to achieve sustainable development.
机译：中国的低海拔沿海地区（LECZ）人口稠密且经济发达，面临着与气候变化和海平面上升有关的危害的日益增加的风险。为了降低风险并实现可持续发展，我们需要更好地了解LECZ。第一步，本文定义了中国低碳城市的范围，并使用地理信息系统软件（ArcGIS）结合海拔模型和人口数据集来分析低碳城市及其人口的空间分布。我们的发现表明，总体而言，该区域占中国土地面积的2.0％，但占总人口的12.3％，是世界上居住在LECZ的最大人口。 LECZ和LECZ人口的分布存在很大的区域差异，其中一半的LECZ距海岸线30公里以内，江苏省的LECZ面积和人口最多。 LECZ也集中在中国的三个主要经济区，占LECZ的54％，占中国LECZ人口的四分之三。快速的经济和人口增长，城市化和环境恶化，加剧了未来气候变化对中国低碳经济区的影响。为了减少与气候变化有关的风险并实现可持续发展，需要协调中国沿海和内陆的发展，增强适应能力并为低碳经济区实施综合风险管理。

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