A file is available for each basin with four layers describing each of the types of water bodies.
A mass of river water is a distinct and significant part of surface waters such as a river, river or canal, part of a river, river or canal. The river water masses are derived from the BDCarthage® v3 hydrographic theme of the BDCarto®.
A mass of water is a distinct and significant part of surface waters such as a lake, a reservoir. Water bodies are derived from the BDCarthage® v3 hydrographic theme of BDCarto®.
A mass of transition water is a distinct and significant part of surface waters near river or river mouths, which are partially saline due to their proximity to coastal waters but which remain fundamentally influenced by freshwater currents.
A mass of coastal water is a distinct and significant part of the surface waters between the baseline used to measure the width of territorial waters and a distance of #x27 nautical mile.
__Origin__
The summaries are developed by l'ONEMA from the data produced by the DCE basins
__Partner organisations__
ONEMA
__Links annexes__
* [GIS files in WISE format of masses d' surface water basin FRK: Guyana](http://www.rapportage.eaufrance.fr/sites/default/files/DCE/2010/SIG/FRF_SWK_2010.zip)
* [GIS files in WISE format of masses d' surface water basin FRL: Meeting](http://www.rapportage.eaufrance.fr/sites/default/files/DCE/2010/SIG/FRF_SWL_2010.zip)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/889be76fe41181873c5890a4907a288a88338fa2)
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