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Measurement of Precipitation in the Alps Using Dual-Polarization C-Band Ground-Based Radars, the GPM Spaceborne Ku-Band Radar, and Rain Gauges

Marco Gabella, Peter Speirs, Ulrich Hamann, Urs Germann, Alexis Berne
2017 Remote Sensing  
GAUGE); (2) the recently upgraded MeteoSwiss dual-polarization Doppler, ground-based weather radar network (RADAR); (3) a real-time merging of GAUGE and RADAR, implemented at MeteoSwiss, in which a technique  ...  Hence, GPM confirms that, for precipitation mapping in the Alpine region, the best results are obtained by combining ground-based radar with rain-gauge measurements using a geostatistical approach.  ...  The authors would like to thank the anonymous reviewers and the academic editor for helpful and stimulating comments. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs9111147 fatcat:fgfbqtveand2pgroqzzoc7kpw4

Validation of the GPM Version-5 Surface Rainfall Products over Great Britain and Ireland

Daniel Watters, Alessandro Battaglia, Kamil Mroz, Frédéric Tridon
2018 Journal of Hydrometeorology  
Large variability in the discrepancies between spaceborne and ground-based rain rate estimates is the result of limitations of both systems and random errors in the collocation of their measurements.  ...  Instantaneous surface rain rate estimates from the Global Precipitation Measurement (GPM) mission's Dual-Frequency Precipitation Radar (DPR) and combined DPR and multifrequency microwave imager (CMB) version  ...  GPM, and archived at the NASA GES DISC.  ... 
doi:10.1175/jhm-d-18-0051.1 fatcat:lo4lctr6ljdxdchr27vbd4b5xu

From model to radar variables: a new forward polarimetric radar operator for COSMO

Daniel Wolfensberger, Alexis Berne
2017 Atmospheric Measurement Techniques Discussions  
precipitation radar of the Global Precipitation Measurement satellite (GPM-DPR).  ...  This operator is able to simulate measurements of radar reflectivity at horizontal polarization, differential reflectivity as well as specific differential phase shift and Doppler variables for ground  ...  dual-frequency radar (Iguchi et al., 2003) at both Ku and Ka bands.  ... 
doi:10.5194/amt-2017-427 fatcat:oiautb54fva2ncr2pxdbujl7rq

From model to radar variables: a new forward polarimetric radar operator for COSMO

Daniel Wolfensberger, Alexis Berne
2018 Atmospheric Measurement Techniques  
precipitation radar of the Global Precipitation Measurement satellite (GPM-DPR).  ...  This operator is able to simulate measurements of radar reflectivity at horizontal polarization, differential reflectivity as well as specific differential phase shift and Doppler variables for ground  ...  The authors are also thankful to Jacopo Grazioli for the processing of the raw MXPol radar data and to Timothy Hughes Raupach for the processing of Parsivel data.  ... 
doi:10.5194/amt-11-3883-2018 fatcat:fawi4itr45bd3oxaihg22avazm

Sensitivity analysis of attenuation in convective rainfall at X-band frequency using the mountain reference technique

Guy Delrieu, Anil Kumar Khanal, Frédéric Cazenave, Brice Boudevillain
2022 Atmospheric Measurement Techniques  
The RadAlp experiment aims at improving quantitative precipitation estimation (QPE) in the Alps thanks to X-band polarimetric radars and in situ measurements deployed in the region of Grenoble, France.  ...  In this article, we revisit the physics of propagation and attenuation of microwaves in rain.  ...  Gatlin (NASA Marshall Space Flight Center, Huntsville, AL), for providing the CANTMAT version 1.2 software developed at Colorado State University by C. Tang and V.N. Bringi, who we also thank.  ... 
doi:10.5194/amt-15-3297-2022 fatcat:5lyw6acg4zftrfemmbw2cpvtj4

The Quantile-Matching Approach to Improving Radar Quantitative Precipitation Estimation in South China

Linye Song, Shangfeng Chen, Yun Li, Duo Qi, Jiankun Wu, Mingxuan Chen, Weihua Cao
2021 Remote Sensing  
Based on hourly radar QPE and rain gauge observation data, this study first analyzed the QPE error in South China and then applied the Quantile Matching (Q-matching) method to improve the radar QPE accuracy  ...  In the South China region, multiple weather radar networks are widely used, but the accuracy of radar QPE products remains to be analyzed and improved.  ...  Measurement of Precipitation in the Alps Using Dual-Polarization C-Band Ground-Based Radars, the GPM Spaceborne Ku-Band Radar, and Rain Gauges. Remote Sens. 2017, 9, 1147. [CrossRef] 9.  ... 
doi:10.3390/rs13234956 fatcat:2buljujlbvhnzlcx4orytjhdyu

Rainfall estimation from a German-wide commercial microwave link network: optimized processing and validation for 1 year of data

Maximilian Graf, Christian Chwala, Julius Polz, Harald Kunstmann
2020 Hydrology and Earth System Sciences  
We use RADOLAN-RW, a gridded gauge-adjusted hourly radar product from the German Meteorological Service (DWD) as a precipitation reference, from which we derive the path-averaged rain rates along each  ...  In this study, we present the processing and evaluation of a German-wide data set of CMLs.  ...  ZT-0025), the Bundesministerium für Bildung und Forschung (grant no. 13N14826), and the Deutsche Forschungsgemeinschaft (grant nos. CH 1785/1-1 and KU 2090/7-2).  ... 
doi:10.5194/hess-24-2931-2020 fatcat:2ken45rmebarrkljgn7ise2taa

A polarimetric radar operator to evaluate precipitation from the COSMO atmospheric model

Daniel Wolfensberger
2018
Je remercie aussi Jacopo Grazioli pour le traitement des nombreuses données radar en bande X utilisées dans le cadre de cette thèse et de manière plus générale pour toute son expertise dans le domaine,  ...  Mes sincères remerciements aussi à la division Radar, satellites et nowcasting de MeteoSuisse à Locarno, pour le partage des données radar opérationnelles et du composite radar.  ...  Remerciements Remerciements scattering techniques is investigated, revealing that these methods could help to resolve the strong underestimation of polarimetric variables in snow and graupel.  ... 
doi:10.5075/epfl-thesis-8408 fatcat:yjtj24muuvhormwhpghuvtjs7a

Rainfall estimation from a German-wide commercial microwave link network: optimized processing and validation for 1 year of data

Maximilian Graf, Christian Chwala, Julius Polz, Harald Kunstmann
2020
We use RADOLAN-RW, a gridded gauge-adjusted hourly radar product from the German Meteorological Service (DWD) as a precipitation reference, from which we derive the path-averaged rain rates along each  ...  In this study, we present the processing and evaluation of a German-wide data set of CMLs.  ...  ZT-0025), the Bundesministerium für Bildung und Forschung (grant no. 13N14826), and the Deutsche Forschungsgemeinschaft (grant nos. CH 1785/1-1 and KU 2090/7-2).  ... 
doi:10.5445/ir/1000120807 fatcat:6ghdwzzv2jcmrf5dlgkitnxgfa