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2012 (v1)PublicationUploaded on: April 14, 2023
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2020 (v1)Publication
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2021 (v1)Publication
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2023 (v1)Publication
: In situ weather sensors aiming at the measurement of liquid atmospheric precipitation (rainfall) experienced limited conceptual innovation in recent decades, except for the data recording and transmission components [...].
Uploaded on: February 13, 2024 -
2018 (v1)Publication
The mechanical assembly of a tipping-bucket rain gauge is often calibrated as a stand-alone instrument. However, the measurement accuracy depends on the associated data-logger as well, especially in case the rainfall intensity is derived from the measurement. This paper reports the calibration of a set comprising the tipping-bucket rain gauge...
Uploaded on: March 27, 2023 -
2016 (v1)Publication
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2016 (v1)Publication
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2021 (v1)PublicationOn neglecting free-stream turbulence in numerical simulation of the wind-induced bias of snow gauges
Numerical studies of the wind-induced bias of precipitation measurements assume that turbulence is generated by the interaction of the airflow with the gauge body, while steady and uniform free-stream conditions are imposed. However, wind is turbulent in nature due to the roughness of the site and the presence of obstacles, therefore...
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2020 (v1)Publication
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2015 (v1)Publication
The monitoring of hydro-meteorological variables for operational and research purposes requires accurate measurements. The reliability of such measurements varies depending on the need to meet different requirements in several sectors, including aviation, agriculture, civil protection, entertainment and weather forecast. In the case of rain...
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2021 (v1)Publication
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2021 (v1)Publication
The airflow velocity pattern generated by a widely used non-catching precipitation gauge (the Thies laser precipitation monitor or LPM) when immersed in a wind field is investigated using computational fluid dynamics (CFD). The simulation numerically solves the unsteady Reynolds-averaged NavierāStokes (URANS) equations and the setup is...
Uploaded on: March 27, 2023 -
2015 (v1)Publication
Pluvial flooding occurs as a consequence of excess rainfall when surface runoff cannot be fully drained by the artificial network (i.e. surface drainage deficiency) and/or when the drainage systems overflows (i.e. drainage systems failures). Because of surface drainage deficiencies, however, flooding events occur quite frequently as a...
Uploaded on: July 3, 2024 -
2021 (v1)Publication
A physical full-scale experimental set-up was designed and implemented in the wind tunnel to reproduce and capture the trajectories of falling water drops when approaching the collector of catching type precipitation gauges, reproducing rainfall measurements in windy conditions. The experiment allowed to collect, for the first time, a large...
Uploaded on: April 14, 2023 -
2021 (v1)Publication
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Uploaded on: April 14, 2023 -
2021 (v1)Publication
Wind tunnel (WT) experiments were conducted to reproduce the wind-induced deviation of rain drop trajectories when approaching the collector of catching-type gauges. Three typical outer shapes of the instrument body (cylindrical, inverted-conical and "chimney" shapes) were tested using full-scale models. The airflow pattern upstream of and...
Uploaded on: April 14, 2023