Hydrogeological entities - Réunion

Description

The hydrogeological entity is a part of the geological space, aquifer or non-aquifer, corresponding to a physical system characterised in terms of its state and hydrogeological characteristics. The hydrogeological entity must be understood in a systemic sense and corresponds to a division of the geological space carried out at a given stage of knowledge, in particular for deep systems. The constitution of hydrogeological entities comes from the knowledge at a given date of the underground environment (geological map, geological section, geological log, structural scheme and piezometric map). Hydrogeological entities can be multipart. Hydrogeological entities cover the entire territory ensuring a horizontal and vertical relationship of entities in accordance with the principle of completeness. A hydrogeological entity is a part of the geological space: - delimited to a certain scale (level of use) - related to a type of geological formation (theme) - defined by its aquifer potentials (nature) - characterized by a type of porosity (middle) - characterized by the presence or not of a tablecloth, which can be free, captive or free and captive (state) They have been defined according to rules developed within the framework of a common national methodology and validated by a national steering committee under the responsibility of the ministry in charge of the environment. A hydrogeological entity will be represented by its orthogonal projection to the ground. The reference scale is 1/50 000th, i.e. the scale of the national geological repository. Each entity has a code that is assigned by the BRGM (Order of 26 July 2010, SNDE). According to Sandre, dictionary of the SAQ hydrogeological repository version 2.2

Resources

Name Format Description Link
0 https://www.data.gouv.fr/api/1/datasets/r/071f72c0-77fc-4c08-86be-d18a05d62be5
0 https://www.data.gouv.fr/api/1/datasets/r/aa36fd1d-2ca1-4e7f-9df6-fb9a936a8778
0 https://www.data.gouv.fr/api/1/datasets/r/53a92b1a-4877-4895-a599-2b229d3679e5
0 https://www.data.gouv.fr/api/1/datasets/r/9f108e3d-6647-4ed7-90a1-01f41d59ee33
0 https://www.data.gouv.fr/api/1/datasets/r/e025edf5-095e-4851-8d80-de38ef2d59b4
0 https://www.data.gouv.fr/api/1/datasets/r/4deb8e07-da16-46a8-a0cc-76e9260f9e89
0 https://www.data.gouv.fr/api/1/datasets/r/292b301f-1599-40f8-87dd-760d02bea51a
0 https://www.data.gouv.fr/api/1/datasets/r/ba4645b4-2753-41a9-8f6d-9fb81dfb8459
0 https://www.data.gouv.fr/api/1/datasets/r/0a2be424-a286-4de5-874c-147a4bc2b690
0 https://www.data.gouv.fr/api/1/datasets/r/4c18a5ef-9848-4fa2-ac65-61df601d2675
0 https://www.data.gouv.fr/api/1/datasets/r/08becc97-e337-4c6e-8c63-a26f3c4d7424
0 https://www.data.gouv.fr/api/1/datasets/r/02b38d93-5f73-4176-9a5a-0805e087ceb8
0 https://www.data.gouv.fr/api/1/datasets/r/1f5da8d4-e5ad-4c2e-be3f-a5a1b36782ac
0 https://tabular-api.data.gouv.fr/api/

Tags

  • france
  • geologie
  • eau-souterraine-hydrogeologie
  • nappe-phreatique
  • bdlisa
  • donnees-ouvertes
  • reunion
  • donnees-de-references-referentiels-vocabulaire-controle
  • eaux-souterraines-nappes-deau
  • hvd
  • observation-de-la-terre-et-environnement

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