CR2LUC: Historical (1950-2020) land use and land cover in continental Chile

The CR2LUC product was created to track long-term land-use changes in Chile since 1950, using a method that combines historical data with satellite information. Unlike recent land use/cover estimates that rely heavily on satellite data, CR2LUC integrates various sources, including agricultural censuses and other national statistics. This reconstruction involves extensive data preprocessing, such as digitizing historical documents. Key data sources include Agricultural Censuses (1955, 1965, 1976, 1997, 2007), annual crop statistics (1997-2021), and cadastres for fruits, viticulture, and vegetation. This dataset has been developed within the framework of the Center for Climate and Resilience Research (CR2, ANID/FONDAP/1523A0002) and the research project ANID/FSEQ210001.CR2LUC数据集旨在追踪智利自1950年以来的长期土地利用变化，采用融合历史数据与卫星信息的方法构建。与当前大量依赖卫星数据的近期土地利用/覆被估算成果不同，CR2LUC整合了包括农业普查（Agricultural Censuses）及其他国家统计数据等多源信息。该重建工作涉及大规模数据预处理环节，例如将历史文档数字化。核心数据源包括1955年、1965年、1976年、1997年、2007年的农业普查数据、1997-2021年的年度作物统计数据，以及果品、葡萄栽培与植被相关的地籍数据。 本数据集由气候与韧性研究中心（Center for Climate and Resilience Research，简称CR2，ANID/FONDAP/1523A0002）以及ANID/FSEQ210001研究项目框架下开发完成。