[REQUEST] Add Netherlands

[thiagovmdon]

Data source
Rijkswaterstaat WaterWebservices (Netherlands)

Website:
https://rijkswaterstaatdata.nl/waterdata/

Current API docs:
https://ddapi20-waterwebservices.rijkswaterstaat.nl/swagger-ui/index.html

Terms of use:
see Rijkswaterstaat Waterdata website

Type of data portal
The portal provides API access.

Relevant endpoints:

• https://ddapi20-waterwebservices.rijkswaterstaat.nl/METADATASERVICES/OphalenCatalogus
• https://ddapi20-waterwebservices.rijkswaterstaat.nl/ONLINEWAARNEMINGENSERVICES/OphalenWaarnemingen

Legacy fallback endpoints are also still available:

• https://waterwebservices.rijkswaterstaat.nl/METADATASERVICES_DBO/OphalenCatalogus
• https://waterwebservices.rijkswaterstaat.nl/ONLINEWAARNEMINGENSERVICES_DBO/OphalenWaarnemingen

No registration was required for the tested access.

Country/Countries/Regions
Netherlands

Variables
Available upstream and implemented in RivRetrieve:

• daily discharge
• instantaneous discharge
• daily stage
• instantaneous stage
• daily water temperature
• instantaneous water temperature

Station list
A live station catalog is available from OphalenCatalogus.

A cached station list has been generated for RivRetrieve and stored as:
rivretrieve/cached_site_data/netherlands_sites.csv

The current cached file contains 1827 stations with:

• gauge id
• station name
• river
• latitude
• longitude

Code snippets
Implemented in the branch called: "netherlands"