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Bas Walraven (Delft University of Technology)6/23/26, 3:00 PMRainfall monitoring in the Global South
The benefit of using Commercial Microwave Links (CMLs) as opportunistic sensors for rainfall estimation is greatest in those regions that lack dedicated rainfall sensors, notably large parts of the tropics and mountainous areas. The lack of dedicated rainfall sensors, however, also means that for these regions calibration of CML rainfall retrieval algorithms is a challenge. The core of these...
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Andrijana Todorovic (University of Belgrade, Faculty of Civil Engineering, Institute for Hydraulic and Environmental Engineering)6/23/26, 3:00 PMApplication of OS rainfall data
Accurate hydrological simulations, particularly those aimed at reproducing extreme floods, require rainfall data with fine spatiotemporal resolution. Collecting such data through conventional monitoring networks involves considerable installation and maintenance costs, which substantially increase the overall cost of hydrological modelling. Opportunistic sensors, such as commercial microwave...
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Mr Armel Kodji (UNIVERSITE FELIX HOUPHOUËT BOIGNY)6/23/26, 3:00 PMRainfall monitoring in the Global South
Many studies have discussed the sensitivity of CML rainfall measurement to the frequency of the link. High frequency links (above 35 GHz) suffer higher levels of attenuation by rain than lower frequency links. This could be an advantage for low rain rate detection, but can also be a limitation as high rain rates may cause extinction of the liaison. Orange Cameroon is currently investigating...
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Prof. Benjamin Bechtel (Bochum Urban Climate Lab)6/23/26, 3:00 PMOS data acquisition, management & standardization
Crowd weather stations (CWS) have become a relevant data source in opportunistic sensing, particularly in urban meteorology. Netatmo stations are the most widespread CWS platform and are extensively used for air temperature and humidity observations. In addition to the standard configuration, optional modules enable wind and precipitation measurements. The pioneering work of de Vos et al....
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Vojtech Smejkal6/23/26, 3:00 PMOS data acquisition, management & standardization
Commercial microwave links (CML) deployed in regional Internet service provider (ISP) networks provide continuous telemetry that can be repurposed for opportunistic environmental sensing. This work presents the design and implementation of a real-time data processing microsystem that leverages operational microwave backhaul measurements for precipitation monitoring. The system targets...
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Petr Musil (Brno University of Technology, Department of Telecommunications), Štěpán Miklánek (Brno University of Technology)6/23/26, 3:00 PMApplication of OS rainfall data
We present TelcoSense, a web-based platform for real-time and historical visualization of rainfall and temperature derived from operational commercial microwave link networks. The system processes link metadata and signal level measurements in a scalable backend performing rain and temperature estimation, with time-series data managed within a dedicated data infrastructure. The interactive...
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Aart Overeem (Royal Netherlands Meteorological Institute)6/23/26, 3:00 PMOS data merging
EURADCLIM is a publicly available climatological dataset of 1-h and 24-h precipitation accumulations covering 78% of geographical Europe at a 2-km grid. The current version 3 includes the period 2013 – 2023. It is based on the surface rain rate composites from the EUMETNET programme OPERA. Algorithms are applied to remove remaining non-meteorological echoes as much as possible. The 1-h...
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Dror Jacoby6/23/26, 3:00 PMApplication of OS rainfall data
Urban precipitation monitoring remains challenging due to strong microclimate variability and the limitations of sparse traditional observing networks. This study leverages the OpenMesh dataset, a unique opportunistic sensing (OS) network in New York City spanning Manhattan and Brooklyn, to enable continuous environmental monitoring. We focus on the deployment of co-located personal weather...
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Jean de Dieu Ndayisenga (Ghent University, Belgium, University of Rwanda, Rwanda), Remco Van de Beek (Swedish Meteorological and Hydrological Institute, Sweden), Kwinten Van Weverberg (Ghent University, Belgium, Royal Meteorological Institute of Belgium, Belgium)6/23/26, 3:00 PMRainfall monitoring in the Global South
This study presents the first application of commercial microwave links (CMLs) for estimating rainfall intensity and variability in Rwanda, a tropical country characterized by high elevations (950-4500 m), complex mountainous terrain, and severe weather conditions. These factors significantly affect the performance of conventional rainfall observation systems, including dense automatic rain...
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Smit Chetan Doshi (Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI))6/23/26, 3:00 PMApplication of OS rainfall data
Rainfall is one of the significant meteorological variables governing soil moisture variability. Rain gauges (RGs) provide reliable point measurements of rainfall but suffer from limited spatial coverage, whereas commercial microwave links (CMLs) offer accurate spatially integrated rainfall information, when they have been calibrated to correct the bias produced by Wet Antenna Attenuation...
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