My PhD consists of two main parts. The first part consists of improving a high resolution gridded radar-gauge precipitation data set. The second part will be focused on the application of the final precipitation product for the analysis of sub-hourly meteorological process, such as stationary thunderstorms.

The precipitation product uses co-kriging with external drift to correct radar images with rain gauge measurments and is designed to be employed in real time. The temporal resolution is hourly, but the precipitation maps are disaggregated into 5-minute maps using a radar-based disaggregation method. One improvement consists of finding an optimal solution to disaggregate the hourly precipitation maps to 5-minute fields without creating artefacts in the form of sharp edges (see figure). A second analysis point consists of a statistical validation of the so far used parameters for the detection of convective cells in areas where strong radar gradients are present in the imminent proximity of rain gauges. The second half of the project will consist of applying the 5-minute precipitation fields will for the analysis of processes requiring a sub-hourly resolution.

Jump to: 2020 | 2018 | 2016

2020

Barton, Yannick; Sideris, Ioannis V.; Germann, Urs; Martius, Olivia (2020). A method for real‐time temporal disaggregation of blended radar–rain gauge precipitation fields. Meteorological applications, 27(1) Wiley 10.1002/met.1843

2018

Brönnimann, Stefan; Rohr, Christian; Stucki, Peter; Summermatter, Stephanie; Bandhauer, Moritz; Barton, Yannick; Fischer, Andreas; Froidevaux, Paul Arnaud; Germann, Urs; Grosjean, Martin; Hupfer, Franziska; Ingold, Karin; Isotta, Francesco; Keiler, Margreth; Martius, Olivia; Messmer, Martina Barbara; Mülchi, Regula Isabelle; Panziera, Luca; Pfister, Lucas Martin; Raible, Christoph; ... (2018). 1868 - das Hochwasser, das die Schweiz veränderte. Ursachen, Folgen und Lehren für die Zukunft (Reihe G Grundlagenforschung G94). Bern: Geographica Bernensia 10.4480/GB2018.G94.01

Brönnimann, Stefan; Rohr, Christian; Stucki, Peter; Summermatter, Stephanie; Bandhauer, Moritz; Barton, Yannick; Fischer, Andreas; Froidevaux, Paul Arnaud; Germann, Urs; Grosjean, Martin; Hupfer, Franziska; Ingold, Karin; Isotta, Francesco; Keiler, Margreth; Martius, Olivia; Messmer, Martina Barbara; Mülchi, Regula Isabelle; Panziera, Luca; Pfister, Lucas Martin; Raible, Christoph; ... (2018). 1868 – L’alluvione che cambiò la Svizzera: Cause, conseguenze e insegnamenti per il futuro (Reihe G Grundlagenforschung G94). Bern: Geographica Bernensia 10.4480/GB2018.G94.02

Brönnimann, Stefan; Rohr, Christian; Stucki, Peter; Summermatter, Stephanie; Bandhauer, Moritz; Barton, Yannick; Fischer, Andreas; Froidevaux, Paul Arnaud; Germann, Urs; Grosjean, Martin; Hupfer, Franziska; Ingold, Karin; Isotta, Francesco; Keiler, Margreth; Martius, Olivia; Messmer, Martina Barbara; Mülchi, Regula Isabelle; Panziera, Luca; Pfister, Lucas Martin; Raible, Christoph; ... (2018). 1868 – Les inondations qui changèrent la Suisse : Causes, conséquences et leçons pour le futur (Reihe G Grundlagenforschung G94). Bern: Geographica Bernensia 10.4480/GB2018.G94.03

Brönnimann, Stefan; Rohr, Christian; Stucki, Peter; Summermatter, Stephanie; Bandhauer, Moritz; Barton, Yannick; Fischer, Andreas; Froidevaux, Paul Arnaud; Germann, Urs; Grosjean, Martin; Hupfer, Franziska; Ingold, Karin; Isotta, Francesco; Keiler, Margreth; Martius, Olivia; Messmer, Martina Barbara; Mülchi, Regula Isabelle; Panziera, Luca; Pfister, Lucas Martin; Raible, Christoph; ... (2018). 1868 - the flood that changed Switzerland: Causes, consequences and lessons for the future (Reihe G Grundlagenforschung G94). Bern: Geographica Bernensia 10.4480/GB2018.G94.04

2016

Barton, Yannick; Giannakaki, Paraskevi; von Waldow, Harald; Chevalier, Clément; Pfahl, Stephan; Martius, Olivia (2016). Clustering of Regional-Scale Extreme Precipitation Events in Southern Switzerland. Monthly Weather Review, 144(1), pp. 347-369. American Meteorological Society 10.1175/MWR-D-15-0205.1

2016

15th Swiss Climate Summer School, GrindelWald, Switzerland, 28/08-02/09/2016
Improvement of a merged radar-gauge precipitation data set Temporal disaggregation from hourly to 5-minute, poster

RMetS/NCAS High Impact Weather and Climate Conference 2016, Manchester, England, 06/07-08/07/2016
Clustering of Regional-Scale Extreme Precipitation Events in Southern Switzerland, poster

 

2015

PANDOWAE Final Symposium, Karlsruhe, Germany, April 2015
Clustering of Regional-Scale Extreme Precipitation Events in Southern Switzerland, poster

 

2013

14th Swiss Global Change Day, Bern, 16.04.2013
Clustering of Extreme Precipitation Events in Switzerland, poster