The rib layer " is an adaptation of the layer " from the national comic book Carthage.
Given the specificities of the dynamics of the Guyanese coastline, it is not possible to form a leash of the highest waters.
The rib line corresponds for most to the altitude limit 0 of the numerical model d' elevation of the SRTM.
Estuaries are closed by an arbitrary line.
__Origin__
The coast trait was formed by extraction of l' altitude 0 of the SRTM.
__Partner organisations__
Deal Guyane, SANDRE, AFB
__Links annexes__
* [see documentation on Sandre website](http://www.sandre.eaufrance.fr/?urn=urn:sandre:dictionnaire:ETH::entite:LaisseEaux:ressource:latest:::html)
* [see Dictionary & Hydrographic Reference (ETH)" on the Sandre website](http://www.sandre.eaufrance.fr/?urn=urn:sandre:notice:dictionnaire::theme:ETH:ressource:latest:::html)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/5a80f64c4277e626257598b0077eccae5dfcf62f)
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