Ardavan Ghorbani and Azad KakehMami
In order to provide a provincial spatial database of the bureau of natural resources and watershed management in Ardabil Provence, this paper presents a scheme for spatial database construction to meet the needs of Iran for affective natural resources and watershed management. The objective and overall technical route of spatial database construction are described. The logical and physical database models are designed. Key issues such as integration of multi-scale heterogeneous spatial databases, spatial data version management based on metadata and integrative management of map cartography and spatial database are addressed.
