What does basic surveying and mapping refer to in the surveying and mapping method?

Basic surveying and mapping in the surveying and mapping method refers to the general term for establishing a national unified surveying and mapping benchmark and surveying and mapping system, conducting basic aerial photography, and obtaining remote sensing data for basic geographical information.

According to Article 15 of the "Surveying and Mapping Law of the People's Republic of China", basic surveying and mapping is a public welfare undertaking. The state implements hierarchical management of basic surveying and mapping. The term “basic surveying and mapping” as used in this Law refers to the establishment of a unified national surveying and mapping benchmark and surveying and mapping system, the conduct of basic aerial photography, the acquisition of remote sensing data of basic geographical information, the measurement and update of national basic scale maps, image maps and digital products, the establishment and update of Basic GIS.

Legal provisions for surveying and mapping.

Article 19 of the "Surveying and Mapping Law of the People's Republic of China" Basic surveying and mapping results should be updated regularly, and basic surveying and mapping results that are urgently needed for economic construction, national defense construction, social development and ecological protection should be updated in a timely manner. The update cycle of basic surveying and mapping results is determined according to the needs of national economic and social development in different regions.

The above content refers to Hunan Provincial Government-Surveying and Mapping Law of the People's Republic of China