Hydrographic network modelled on the whole of Brittany’s watersheds with a surface area of more than 250 hectares.
The treatment was carried out from the Digital Terrain Model with a resolution of 50 m. by the MNTSurf software by silling of the contributing surface at 25 hectares.
__Origine__
Vector layer calculated by MNTSurf software from a Digital Terrain Model
__ Partner Organisations__
UMR 1069 SAS INRA — Agrocampus West
[See this sheet on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/fef082a5b60765c98aafb3c59bb6cb7c6bf6ca1b)
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