Local river observations remain unevenly distributed worldwide, yet they play an important role in managing water resources and preparing for extreme weather events. The SEED-FD research project uses data from compact micro-stations to improve global flood and drought forecasting. Through consortium partner vorteX‑io, hydrological data from such micro-stations are also available as a service to interested water agencies, hydrometeorological services and other institutions.
Closing Gaps in Hydrological Monitoring
Effectively managing water resources and anticipating floods and droughts depend on accurate information about changing river conditions. Yet the density of existing monitoring networks varies considerably worldwide, with many under-instrumented areas, particularly in the Global South. These data gaps contribute to uneven forecast performance between regions and make it more difficult to assess risks and make well-informed operational decisions.
Installing and maintaining conventional gauging stations can require substantial resources. Expanding a monitoring network across many locations can therefore be difficult, especially in remote or challenging environments. More scalable monitoring options are needed to collect continuous local data where existing observations are insufficient.
Micro-Stations for Hydrological Monitoring in SEED-FD
In the Horizon Europe research project SEED-FD, innovative micro-stations developed by consortium partner vorteX‑io provide continuous local river observations for improving global flood and drought forecasting.
The micro-stations’ measurements of river conditions provide a reference for calibrating LISFLOOD, the hydrological model underlying forecasting systems such as GloFAS within the Copernicus Emergency Management Service.
The hydrological measurements are also incorporated into the model through data assimilation, which updates the model with the micro-stations’ real-time data to provide a more accurate representation of current conditions. In addition, the hydrological micro-station data serve as a reference for validating SEED-FD’s improvements to flood and drought forecasting by comparing predicted conditions with observed river conditions.
Within the SEED-FD project, the micro-stations have been deployed and tested in two contrasting use case regions: the Danube and Paraná river basins. The dialogue involved in preparing these deployments has fostered cooperation with water agencies and public authorities in Paraguay, Croatia, Romania, Hungary and Ukraine, reflecting wider interest in the micro-stations and their potential applications.
Compact Micro-Stations for Continuous Monitoring
The micro-stations are compact, autonomous units that can be mounted on existing river infrastructure. They weigh approximately 850 grams, are solar-powered and can be installed within hours. As the instruments are positioned above the river rather than submerged in the water, they require less maintenance and support stable measurements over time.
Each micro-station continuously measures water level, surface velocity and water surface temperature. Integrated cameras also capture images of river conditions. Together, these observations provide a multi-parameter view of how a river changes over time.
The measurements are transmitted in real time through 3G or 4G networks to secure servers, where they are processed. The resulting data are then made available through an online platform and through an API, allowing them to be integrated into other digital systems.
The high-frequency measurements provided by the micro-stations capture both gradual developments and rapid changes, delivering timely information on water levels, low-flow conditions and other changes in river behaviour.
Operational Applications of Micro-Stations for Hydrological Monitoring
Beyond their use in SEED-FD, micro-stations can be deployed at other locations selected according to an institution’s monitoring needs. Through vorteX‑io’s service, users can receive continuous hydrological data from these sites and integrate the observations into their existing monitoring or forecasting systems to support decision-making.
This approach may be valuable to national water agencies, hydrometeorological services, river basin authorities and transboundary river commissions seeking to expand or complement their observation networks. The rapid deployment and comparatively low cost of the micro-stations can help extend monitoring coverage where existing networks are sparse or conventional gauging infrastructure would be impractical.
Continuous hydrological data may also support international financing institutions in evaluating water-related risks and parametric insurance companies that rely on objective observations for their risk models and insurance products.
In research, in-situ measurements from the micro-stations can provide a reference for validating and improving large-scale hydrological models, particularly in under-instrumented regions where model uncertainty is high.
In these different contexts, hydrologists, forecasters and emergency managers can draw on the real-time river data to support operational decisions. This can contribute to more effective management of limited water resources and better preparedness for floods and droughts, ultimately helping to protect lives and livelihoods.
Hydrological Monitoring as a Data Service
vorteX-io provides the micro-stations through an integrated monitoring solution that includes deployment, maintenance, connectivity, data processing and online data access. This allows institutions to obtain continuous hydrological data without having to establish and operate the complete monitoring infrastructure themselves.
The service is available through annual subscriptions or project-based partnerships. It can be adapted to different locations, operational requirements and institutional needs.
The application of the service within SEED-FD across two contrasting international river basins, the Danube and Paraná, provides a real-world example for institutions considering how micro-stations could support their own hydrological monitoring needs.
Interested institutions can contact Alexis Exposito at vorteX‑io to discuss their monitoring needs, data access or a potential project-based partnership.
Learn More about SEED-FD
Explore this website to learn more about SEED-FD and its work to improve global flood and drought forecasting. Discover the project’s articles, datasets and other resources covering its results and potential applications.
For further updates, follow SEED-FD on LinkedIn, X and Facebook and subscribe to the newsletter.