Nighttime Lights PC1-4 based on the Version 4 DMSP-OLS Nighttime Lights Time Series 1997–2014

Nighttime Lights PC1-4 based on the Version 4 DMSP-OLS Nighttime Lights Time Series 1997–2014. Derived using SAGA GIS Principal Component analysis. Image and data processing by NOAA's National Geophysical Data Center. DMSP data collected by US Air Force Weather Agency. To access and visualize maps use: OpenLandMap.org If you discover a bug, artifact or inconsistency in the maps, or if you have a question please use some of the following channels: Technical issues and questions about the code: https://gitlab.com/openlandmap/global-layers/issues General questions and comments: https://disqus.com/home/forums/landgis/本数据集为基于1997–2014年第4版国防气象卫星项目业务线扫描系统（Defense Meteorological Satellite Program-Operational Linescan System, DMSP-OLS）夜间灯光时间序列的夜间灯光主成分1-4分量（PC1-4）。本数据集通过SAGA GIS主成分分析方法生成。影像与数据处理由美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration, NOAA）下属国家地理数据中心完成。DMSP数据由美国空军气象局采集。若需访问并可视化地图，请访问：OpenLandMap.org。若您发现地图存在漏洞、异常伪影或不一致问题，或有任何疑问，请通过以下渠道反馈： 代码相关技术问题与咨询：https://gitlab.com/openlandmap/global-layers/issues 一般性疑问与意见反馈：https://disqus.com/home/forums/landgis/