环境因子 Environmental factors | 数字高程模型 Digital elevation model (DEM) (x1) | SRTM (https://srtm.csi.cgiar.org) |
坡度 Slope (x2) | 通过分析DEM数据获得 Obtained by analyzing DEM data |
地表覆盖 Land cover (x3) | 通过解析Landsat 8卫星影像获得 Obtained by analyzing Landsat 8 satellite images |
归一化植被指数 Normalized difference vegetation index (NDVI) (x4) |
土壤类型 Soil classification (x5) | 资源环境科学与数据中心 Resource and Environment Science and Data Center (www.resdc.cn) |
年均降水量 Average annual precipitation (x6) |
年积温 Annual cumulative temperature (x7) |
干燥度 Drought index (x8) |
社会经济因子 Socio-economic factors | 夜间灯光 Night light (x9) | 珞珈一号数据 Luojia-1 Data (http://59.175.109.173:8888/) |
乡镇面积 Township area (x10) | 中国县域统计年鉴(乡镇卷): 2018 China Statistical Yearbook (Township): 2018 (国家统计局农村社会经济调查司, 2019) |
村庄数量 Number of villages (x11) |
农村人口数量 Rural population size (x12) |
路网密度 Road network density (x13) | 通过分析OSM数据获得 Obtained by analyzing OSM data |
邻近道路距离 Distance to nearby road (x14) |
邻近道路类型 Adjacent road type (x15) |
邻近景区距离 Distance to nearby scenic spot (x16) |
邻近码头距离 Distance to nearby wharf (x17) |
离跨海大桥距离 Distance to the cross-sea bridge (x18) |