闽三角城市群生态系统三级分类图(2005年、2010年、2015年及2018年)
收藏资源简介:
包含闽三角生态系统一级、二级、三级类型矢量数据。利用高分辨率影像经目视解译得到,解译过程中首先利用第一次全国地理国情普查成果之2015年地表覆盖类型数据,按照生态系统三级分类经过重新划分类型和类型归并,转换成生态系统三级类作为2015年生态系统类型数据;进而利用2010年、2005年影像进行逆向变更,完成相应年份生态系统三级类数据,利用2018年影像进行变更,完成2018年生态系统三级类数据;各年份生态系统三级类数据经过类型归并,完成相应的二级类、一级类数据。
This dataset encompasses vector data of ecosystem classifications at level 1, level 2, and level 3 for the Minnan Triangle Region. It was derived via visual interpretation of high-resolution imagery. In the interpretation workflow, the 2015 land cover dataset from the First National Geographic Conditions Census was first utilized. Through reclassification and type merging per the ecosystem level-3 classification system, this dataset was converted into ecosystem level-3 type data as the 2015 ecosystem type dataset. Subsequently, backward revisions were implemented using the 2010 and 2005 imagery to complete the ecosystem level-3 type data for the respective years, and revisions were also conducted with the 2018 imagery to finalize the 2018 ecosystem level-3 type dataset. For each year’s ecosystem level-3 dataset, type merging was performed to generate the corresponding level-2 and level-1 ecosystem type datasets.




