hydrodownloadR - Hydrologic Station Catalogs and Time Series from Public APIs
Provides a unified, extensible interface for discovering
hydrological stations and downloading hydrological daily time
series (e.g., water discharge, water level, water temperature)
and discrete water-quality observations from national and
regional public APIs. Water-quality observations are retained
at their original sampling timestamps. Includes a provider
registry, S3 generics 'stations' and 'timeseries', licensing
metadata, date-range and 'complete history' modes, rate
limiting and retries, optional authentication via environment
variables, tidy outputs, UTF-8 to ASCII transliteration, and
WGS84 coordinates. Designed for reproducible workflows and
straightforward addition of new providers. Background and use
cases are described in Farber et al. (2025)
<doi:10.5194/essd-17-4613-2025> and Farber et al. (2023)
<doi:10.57757/IUGG23-2838>.