Abstract
Abstract. The fundamental geographic national condition monitoring uses high-resolution aerial and aerospace remote sensing images to produce digital orthophoto images, land cover classification, geographical and national conditions, databases, statistical analysis and other results to monitor land changes within China's territory, the cycle is once a year. At present, the achievements have been applied in the fields of natural resource management, environmental protection and governance, people's livelihood guarantee, emergency disaster relief, and so on, it is of great significance to provide integrated, standardized and reliable geographic information products to meet the needs of ecological civilization construction. In view of the actual situation of the geographical conditions of the country, such as the organizational mode of production, the technical methods and the requirements of the results, this paper discusses the innovative development of the quality control method, the quality control content, the results quality evaluation and software development, etc. , having established a basic quality control system for monitoring the geographical conditions of the country, and applied it in the quality control work of monitoring the geographical conditions of the country carried out in the past four years from 2016 to 2019, effectively guaranteeing the quality of the results, it also provides reference and reference for other important engineering quality control work.
Highlights
1.1 Project DescriptionAccording to the State Council's overall deployment of fundamental geographic national condition monitoring work and the transformation and development needs of surveying and mapping geographic information undertakings, the acquisition of geographic national conditions information entered the regular monitoring stage in 2016
China organizes task-bearing units in 31 provinces across the country to use the acquired high-resolution aerospace remote sensing images to carry out the annual fundamental geographic national condition monitoring work, completed the coverage of digital orthophotos, surface coverage classification, Geographical factors, Remote sensing interpretation sample, field investigation and verification, production metadata, databases and statistical analysis and so on results of production
How to carry out quality control during the production of results is studied It is of great significance to work continuously to ensure the provision of stable and reliable fundamental geographic national condition monitoring information products
Summary
According to the State Council's overall deployment of fundamental geographic national condition monitoring work and the transformation and development needs of surveying and mapping geographic information undertakings, the acquisition of geographic national conditions information entered the regular monitoring stage in 2016. China organizes task-bearing units in 31 provinces across the country to use the acquired high-resolution aerospace remote sensing images to carry out the annual fundamental geographic national condition monitoring work, completed the coverage of digital orthophotos, surface coverage classification, Geographical factors, Remote sensing interpretation sample, field investigation and verification, production metadata, databases and statistical analysis and so on results of production. At present, it has been applied in many fields such as "multiple regulations in one", urban planning implementation supervision, environmental protection and governance, natural resource management, agriculture, tourism, public pension, etc. It provides a unified geospatial public information database for the reform of the ecological civilization system, the safety of people's livelihood, emergency disaster relief, major national conditions and the investigation of state power
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