黄河下游1：100万主河道变迁数据库（1904-1926年）

黄河下游1:100万主河道变迁数据库（1904-1926年），本数据库为黄河下游1904年以来河道变迁的空间数据。包含十一个时间段的黄河古河道变迁数据，从1964年到1976年间的黄河下游河道变迁矢量数据以及下游地区的主要乡镇点状要素。包括1964-1976时间段的河道变迁信息。为研究黄河河道变迁、黄河历史发展及黄河流域历史都有极其重要的意义。1:1,000,000 Main Channel Migration Database of the Lower Yellow River (1904–1926) This database provides spatial datasets on channel migrations of the Lower Yellow River since 1904. It contains ancient channel migration data for 11 temporal periods, including vector data of Lower Yellow River channel migrations during 1964–1976 and point features of major towns and townships in the lower reaches. Channel migration information for the 1964–1976 period is fully covered in this dataset. This database holds extremely important academic value for studies on Yellow River channel migrations, the historical evolution of the Yellow River, and the history of the Yellow River Basin.