A 30 m urban green space distribution dataset for 316 Chinese cities in 1990, 2000, 2010, and 2020
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资源简介：
This dataset provides 30 m binary urban green space maps for 316 Chinese cities in 1990, 2000, 2010, and 2020. The dataset was generated using Landsat Collection 2 Level-2 Surface Reflectance imagery, manually interpreted reference samples, and a supervised Support Vector Machine classifier implemented in Google Earth Engine. The repository includes city-level GeoTIFF raster products, province-level classification confidence maps, manually interpreted sample points, metadata files, accuracy assessment results, Google Earth Engine JavaScript scripts, and documentation files.
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Zenodo创建时间：
2026-07-04
