The UWO dataset
long-term observations from a full-scale field laboratory to better understand urban hydrology at small spatio-temporal scales
DOI:
https://doi.org/10.31224/3208Keywords:
Urban drainage systems, Hydrological processes, Spatio-temporal dynamics, Monitoring, Sensor data, Openly available datasets, Urban Water Observatory (UWO), Low-power wireless sensor networkAbstract
Urban drainage systems are integral infrastructural components. However, their monitoring poses considerable challenges owing to the intricate, hazardous nature of the process, necessitating substantial resources and expertise. These inherent uncertainties act as deterrents, discouraging active involvement of researchers and sewer operators in the rigorous monitoring and utilization of data for a comprehensive understanding and efficient management of drainage-related processes. Consequently, a notable absence of openly available urban drainage datasets hampers exploring their potential for engineering applications, scientific analysis, and societal benefits. In this study, we present a distinctive dataset from the Urban Water Observatory (UWO) in Fehraltorf, Switzerland. This dataset is unique in terms of its completeness, consistency, extensive observation period, high spatio-temporal resolution and its availability in the public domain. The dataset comprises coherent information from 124 sensors that observe rainfall-runoff processes, wastewater and in-sewer atmosphere temperatures. Of these 124 sensors, 89 transmit their signals via a specifically set-up wireless network using long-range, low-power transmission technologies. Sensor data have a temporal resolution of 1-5 minutes and covers a period of three years from 2019-2021. To make the data interpretable and re-useable we provide systematically collected meta-data, data on sewer infrastructure, and associated geo-information including a validated hydrodynamic rainfall-runoff model. Basic data quality checks were performed, and we motivate future research on the dataset with five selected research opportunities from detecting anomalies in the data to assessing groundwater infiltration and the capability of the low-power data transmission. We conclude that robust automated data quality checks, standardized data exchange formats, and a systematic meta-data collection are needed to boost the interpretability and usability of urban drainage data. In the future, ontologies and knowledge graphs should be developed to expand the application of sewer observation data in solving scientific and practical problems.
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Copyright (c) 2023 Frank Blumensaat, Simon Bloem, Christian Ebi, Andy Disch, Christian Förster, Mayra Rodriguez, Max Maurer, Jörg Rieckermann
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This work is licensed under a Creative Commons Attribution 4.0 International License.