Spatiotemporal patterns of population in mainland China, 1990 to 2010.

Spatiotemporal patterns of population in mainland China, 1990 to 2010.
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DOI:
10.1038/sdata.2016.5
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发表时间:
2016-02-16
期刊:
影响因子:
9.8
通讯作者:
Tatem AJ
Tatem AJ
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Gaughan AE;Stevens FR;Huang Z;Nieves JJ;Sorichetta A;Lai S;Ye X;Linard C;Hornby GM;Hay SI;Yu H;Tatem AJ

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根据联合国的预测,到2025年,全球人口将增加到80亿以上,其中大部分预计将在城市地区增长。在中国,城市化的规模在规模和变化速度上都是前所未有的,而且将继续如此。自20世纪70年代末以来,居住在城市地区的中国人的比例从18%增加到50%以上。为了在空间上量化这些模式,我们使用时不变或时间显式数据,包括集合预测模型中1990年、2000年和2010年的人口普查数据。由此产生的多时相网格化人口数据集在粒度和范围上都是独一无二的,提供了中国大陆人口分布的精细尺度(~100米)模式。描述了统计模型和临时可比地图的考虑因素,以及由此产生的数据集。最后,1990年、2000年和2010年的中国大陆人口地图可以从WorldPop项目网站和WorldPop数据库中免费获得。
According to UN forecasts, global population will increase to over 8 billion by 2025, with much of this anticipated population growth expected in urban areas. In China, the scale of urbanization has, and continues to be, unprecedented in terms of magnitude and rate of change. Since the late 1970s, the percentage of Chinese living in urban areas increased from ~18% to over 50%. To quantify these patterns spatially we use time-invariant or temporally-explicit data, including census data for 1990, 2000, and 2010 in an ensemble prediction model. Resulting multi-temporal, gridded population datasets are unique in terms of granularity and extent, providing fine-scale (~100 m) patterns of population distribution for mainland China. For consistency purposes, the Tibet Autonomous Region, Taiwan, and the islands in the South China Sea were excluded. The statistical model and considerations for temporally comparable maps are described, along with the resulting datasets. Final, mainland China population maps for 1990, 2000, and 2010 are freely available as products from the WorldPop Project website and the WorldPop Dataverse Repository.