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  <dc:date>2021-12-15</dc:date>
  <dc:title>中国城市2020年建成区数据集</dc:title>
  <dc:identifier>doi:10.11922/sciencedb.j00001.00332</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>基于Sentinel数据，自主生产2020年中国城市不透水面数据，并参考联合国城市建成区相关标准，生产了中国433个人口大于30万的城市建成区标准化数据集。本文数据是全球首个参考联合国建成区标准制定的中国城市数据集，并且采用高精度数据源制作，数据产品精度高，满足当前城市可持续发展研究要求，在城市扩张分析以及环境评价等应用领域能发挥出更大的使用价值。</dc:description>
  <dc:subject>建成区; 不透水面; 城市可持续发展目标; Google Earth Engine</dc:subject>
  <dc:creator>孙中昶</dc:creator>
  <dc:creator>孙洁</dc:creator>
  <dc:creator>郭华东</dc:creator>
  <dc:creator>蒋会平</dc:creator>
  <dc:creator>高建</dc:creator>
  <dc:creator>王建波</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
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  <dc:publisher>Science Data Bank</dc:publisher>
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