The Maintenance and Improvement of Hydrographic Database
YU Yuan-tong · Hydrographic Surveying and Charting · 2005
Based on the developing status of hydrographic database in China,it discusses the maintenance and updating technique of hydrographic database in China.It puts forward a series of ideas and suggestions about the adjustments of producing system of hydrographic product and working out the mechanics for the maintenance and updating of hydrographic database to improve the data quality and make them more effective to users.