Description
The hydrographic division is the set of four hierarchical partitions of the French territory made according to decreasing hydrographic areas:
- hydrographic region (1st order),
- hydrographic sector (2nd order),
- hydrographic subsector (3rd order),
- hydrographic zone (4th order).
A hydrographic region is divided into a maximum of 10 sectors, and a sector is divided into a maximum of 10 sub-sectors.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Hydro Sector | Unknown | Open resource | |
| Consult the content description of the comic CARTHAGE | Unknown | Open resource | |
| Downloading data - Format ESRI Shapefile | Unknown | Open resource | |
| Consult the dictionary "Hydrographic reference system (ETH)" on the Sandre website | Unknown | Open resource | |
| Download data - MIF/MID format | Unknown | Open resource |