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Disdrometer Performance Optimization for Use in Urban Settings Based on the Parameters that Affect the Measurements

Ferran Mocholí Belenguer, Antonio Martínez-Millana, Antonio Mocholí Salcedo, Víctor Milián Sánchez, María Josefa Palomo Anaya
2020 Symmetry  
In this way, the results will help optimize its operation to be thus used in urban settings, which will allow obtaining more accurate real-time information, better traffic management, and a reduction in  ...  There are currently different types of commercial optical disdrometers to measure the rainfall intensity, of which many are commonly used for monitoring road conditions.  ...  Nuevos modelos y ensayos de compatibilidad y verificación de funcionamiento", which has been carried out at the ITACA Institute. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/sym12020303 fatcat:vbq3oef2ifhslgqybmwwkepzku

Validation of GPM Rainfall and Drop Size Distribution Products through Disdrometers in Italy

Elisa Adirosi, Mario Montopoli, Alessandro Bracci, Federico Porcù, Vincenzo Capozzi, Clizia Annella, Giorgio Budillon, Edoardo Bucchignani, Alessandra Lucia Zollo, Orietta Cazzuli, Giulio Camisani, Renzo Bechini (+4 others)
2021 Remote Sensing  
In this study, we compare near surface GPM retrievals with long time series of measurements collected by seven laser disdrometers in Italy since the launch of the GPM mission.  ...  Furthermore, the agreement between satellite and ground-based estimates depends on the considered precipitation variable.  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/rs13112081 fatcat:udte7ohq6nddnmer4qdatlj7wi

Sensors for rain measurements [chapter]

Patrick Willems, Thomas Einfalt
2021 Metrology in Urban Drainage and Stormwater Management: Plug and Pray  
Rain measurements based on rain gauges, disdrometers, weather radars and microwave links provide essential input data for urban drainage and stormwater modelling, management, and planning.  ...  Their quality strongly depends on the sensor type and calibration, but also on the data post-processing that includes quality control and data adjustment after comparison with reference observations.  ...  Figure 2 . 7 27 Figure 2.7 Optical disdrometers: (a) measuring principle and (b) example of set-up in the field.  ... 
doi:10.2166/9781789060119_0011 fatcat:b542tl75vre2nbrzwicb4xx3qe

Influence of small scale rainfall variability on standard comparison tools between radar and rain gauge data

Auguste Gires, Ioulia Tchiguirinskaia, Daniel Schertzer, Alma Schellart, Alexis Berne, Shaun Lovejoy
2014 Atmospheric research  
Rain gauges and weather radars do not measure rainfall at the same scale; roughly 20 cm for the former and 1 km for the latter.  ...  First the downscaling process is validated with the help of a dense networks of 16 disdrometers (in Lausanne, Switzerland), and one of 16 rain gauges (Bradford, United Kingdom) both located within a 1  ...  Chaumeau, for providing respectively the radar rainfall estimates and the rain gauges data in an easily exploitable format.  ... 
doi:10.1016/j.atmosres.2013.11.008 fatcat:kw6fyjsognepnatund6g27ftzi

Sensitivity of Streamflow Simulations to Temporal Variability and Estimation of Z–R Relationships

Emad Habib, Chakradhar G. Malakpet, Ali Tokay, Paul A. Kucera
2008 Journal of hydrologic engineering  
The analysis is first performed using Z and R data pairs derived directly from disdrometer drop size distribution measurements, and then repeated using WSR-88D radar reflectivity data.  ...  The degree of sensitivity in runoff simulations to temporal variations in Z -R relationships depends largely on the method used to derive the parameters of these relationships.  ...  2004 storm, which were used to verify visually based classifications for the rest of the storms.  ... 
doi:10.1061/(asce)1084-0699(2008)13:12(1177) fatcat:nhfwqyuqezbyvd7tjymecl27da

Rainfall spatio-temporal correlation and intermittency structure from micro-γ to meso-β scale in the Netherlands

Thomas C. van Leth, Hidde Leijnse, Aart Overeem, Remko Uijlenhoet
2021 Journal of Hydrometeorology  
This widely used method allows for a meaningful comparison with seven other studies across contrasting climatic settings all around the world.  ...  We used data from two networks of laser disdrometers with complementary interstation distances in two Dutch cities (comprising five and six disdrometers, respectively) and a Dutch nationwide network of  ...  We thank Harry Stoel from the municipality of Rotterdam for making their data available to us.  ... 
doi:10.1175/jhm-d-20-0311.1 fatcat:36wzy6sakvawxi6gfrnusnggby

Development and Calibration of a New Dripper-Based Rainfall Simulator for Large-Scale Sediment Wash-Off Studies

Juan Naves, Jose Anta, Joaquín Suárez, Jerónimo Puertas
2020 Water  
Rainfall simulators are useful tools for controlling the main variables that govern natural rainfall.  ...  optimal for wash-off studies, where rain properties are key in the detachment of particles.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/w12010152 fatcat:ntbe5hqavzhbdageqtifkqrd5u

Using Markov switching models to infer dry and rainy periods from telecommunication microwave link signals

Z. Wang, M. Schleiss, J. Jaffrain, A. Berne, J. Rieckermann
2012 Atmospheric Measurement Techniques Discussions  
It is based on a simple state-space model and has the advantage of not relying on empirically estimated threshold parameters.  ...  The algorithm is applied to data collected using a new and original experimental set-up in the vicinity of Zürich, Switzerland.  ...  In our case, however, we do not use the ground truth on dry and wet periods from the disdrometers for training and only compare the performance after classification.  ... 
doi:10.5194/amtd-5-411-2012 fatcat:gx4ydoqqyzcafg2kve4j4hwbby

Exploring the potential of utilizing high resolution X-band radar for urban rainfall estimation

Wen-Yu Yang, Guang-Heng Ni, You-Cun Qi, Yang Hong, Ting Sun
2016 Atmospheric Measurement Techniques Discussions  
X-band-radar-based quantitative precipitation estimation (QPE) system is increasingly gaining interest thanks to its strength in providing high spatial resolution rainfall information for urban hydrological  ...  In this study, we first assess the impacts of different corrections of common error using a dataset consisting of one-year reflectivity observations collected at an X-band radar site and a distrometer  ...  is conducted to fix the inappropriate parameter settings.  ... 
doi:10.5194/amt-2016-388 fatcat:b76zo3wuk5bafptruytwp4iwpi

Using Markov switching models to infer dry and rainy periods from telecommunication microwave link signals

Z. Wang, M. Schleiss, J. Jaffrain, A. Berne, J. Rieckermann
2012 Atmospheric Measurement Techniques  
It is based on a simple state-space model and has the advantage of not relying on empirically estimated threshold parameters.  ...  The algorithm is applied to data collected using a new and original experimental set-up in the vicinity of Zürich, Switzerland.  ...  In our case, however, we do not use the ground truth on dry and wet periods from the disdrometers for training and only compare the performance after classification.  ... 
doi:10.5194/amt-5-1847-2012 fatcat:rykigyd365am7keykki47g5yeu

Comparison between Pludix and impact/optical disdrometers during rainfall measurement campaigns

Clelia Caracciolo, Franco Prodi, Remko Uijlenhoet
2006 Atmospheric research  
The performances of two couples of disdrometers based on different measuring principles are compared: a classical Joss-Waldvogel disdrometer and a recently developed device, called the Pludix tested in  ...  Considering that the Pludix is still in a calibration and testing phase, the reported results are encouraging.  ...  The aim of the present study is to compare the performances of various disdrometers, based on different measuring principles, in the rainfall-rate (R) and DSD estimates.  ... 
doi:10.1016/j.atmosres.2005.09.007 fatcat:pw3mlrczxfhaffj4xc3brtpdhi

An urban microwave link rainfall measurement campaign

Thomas C. van Leth, Aart Overeem, Remko Uijlenhoet, Hidde Leijnse
2017 Atmospheric Measurement Techniques Discussions  
In addition, microwave links provide a great opportunity for ground-based rainfall measurement for those land surface areas of the world where gauges and radars are generally lacking.  ...  We find that a basic rainfall retrieval algorithm with no corrections already provides a reasonable correlation to rainfall as measured by the disdrometers.  ...  The OTT Parsivel disdrometers where provided by Alexis Berne and colleagues from the École Polytechique Fédérale de Lausanne (EPFL) in Switzerland.  ... 
doi:10.5194/amt-2017-404 fatcat:g6ietj4225cpxcpptbuidsvqwu

A measurement campaign to assess sources of error in microwave link rainfall estimation

Thomas C. van Leth, Aart Overeem, Hidde Leijnse, Remko Uijlenhoet
2018 Atmospheric Measurement Techniques  
We find that a basic rainfall retrieval algorithm without corrections already provides a reasonable correlation to rainfall as measured by the disdrometers.  ...  In addition to presenting the experiment, we also conduct a preliminary global analysis and show several cases highlighting the different phenomena affecting received signal levels: rainfall, solid precipitation  ...  The OTT Parsivel disdrometers were provided by Alexis Berne and colleagues from the École Polytechique Fédérale de Lausanne (EPFL) in Switzerland.  ... 
doi:10.5194/amt-11-4645-2018 fatcat:njxyzzr7bjck7k4bsueth4hzam

Gauge-adjusted rainfall estimates from commercial microwave links

Martin Fencl, Michal Dohnal, Jörg Rieckermann, Vojtěch Bareš
2017 Hydrology and Earth System Sciences  
Nevertheless, even here, adjusted CMLs perform better than RGs alone. Furthermore, we provide first evidence that the joint use of multiple CMLs together with RGs also reduces bias in their QPEs.  ...  First, the method is tested on data from a dedicated experiment, where a CML has been specifically set up for rainfall monitoring experiments, as well as operational CMLs from an existing cellular network  ...  SGS16/057/OHK1/1T/11, and the Swiss National Science Foundation in the scope of the COMCORDE project no. CR2212_135551.  ... 
doi:10.5194/hess-21-617-2017 fatcat:b3icvt3dx5hq7n3ebll2ptaoou

Polarimetric X-band weather radar measurements in the tropics: radome and rain attenuation correction

M. Schneebeli, J. Sakuragi, T. Biscaro, C. F. Angelis, I. Carvalho da Costa, C. Morales, L. Baldini, L. A. T. Machado
2012 Atmospheric Measurement Techniques  
For the campaign in Fortaleza it was found that radome attenuation dominantly affects the measurements.  ...  This set-up allows to thoroughly test the accuracy of the X-band radar measurements as well as the algorithms that are used to correct the radar data for radome and rain attenuation.  ...  We also thank Meiry Sayuri Sakamoto for hosting us at FUNCEME and for her great support in conducting the campaign in Fortaleza. Edited by: F. S. Marzano  ... 
doi:10.5194/amt-5-2183-2012 fatcat:bs45ydrddbfazoobesxl4gfzde
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