ICNEA 7640—Hydrological services

Where 7640 sits

1. N Water conservancy, environment and public facilities management industry
2. 76 Water conservancy management industry
3. 764 Hydrological services
4. 7640 Hydrological services

What 7640 includes

• Includes the following hydrological service activities：
• Hydrological Water Resources Monitoring Service
• Hydrological and Water resources information forecasting service
• Hydrological analysis and calculation services
• Water resources survey and evaluation service
• Refers to the activities of monitoring, collecting, analyzing and processing the spatiotemporal distribution law, sediment, and water quality of water through the layout of a network of hydrological stations.

7640 in other systems