04. An automated solution for checking the inconsistencies between topographic and hydrological data

Abstract

Standardizing the database in general, and normalizing the relationship between topographic and hydrological data in particular is essential in building the database. Manual standardization is time - consumming, much effort and economic costs. For large databases, manual normalization may also cause errors, and the database is not completely normalized. This study based on ​​automating the process of detecting inconsistencies in topographic and hydrological data built a toolkit for checking the inconsistencies of contour lines and hydrological networks; Elevation points and contour lines; Elevation and hydrology. The program was built based on ArcGIS software platform. Program validation was carried out for topographic and hydrological data in Binh Dinh province. The results showed that the program accurately, fully and quickly detected the contradictions between topographic and hydrological data in the experimental area. This toolkit is very useful for the construction and standardization of the database which are the key tasks in surveying and cartography currently.