L’Università degli Studi di Milano-Bicocca ricerca dottorandi per un progetto di ricerca relativo allo studio di precipitazioni estreme.
Il bando scade il 19 aprile 2023.
Gli studenti che intendono conseguire la laurea entro ottobre 2023 in scienze dell’atmosferca, fisica o un campo correlato sono incoraggiate a partecipare. Chiunque fosse interessato può contattare la Prof.ssa Claudia Pasquero (email@example.com) al più presto.
RESEARCH PROJECT: EFFECTS OF LAND COVER ON EXTREME PRECIPITATIONS The project builds upon previous studies on the relationship between land surface properties and precipitation. For instance, the observational and modeling investigations performed in the framework of the international AMMA project showed that precipitations in semi-arid regions are affected by soil moisture gradients, favoring precipitations on drier land next to moister surfaces. The importance of surface gradients has also been studied over the oceans, demonstrating that precipitations are favoured over strong sea surface temperature fronts. Current studies are also indicating that extreme precipitations in urban areas have been increasing over the last few decades more than in rural areas. These studies indicate that the reasons at the base of the generally observed increase in occurrence and/or intensity of heavy rainfall events might be both related to global climate change and to local land use change. Discovering under what circumstances one of the two processes dominates is of paramount importance for policymakers and administrators, in order to tackle the problem in the correct way and reduce risks associated to strong meteorological events. In this project, high resolution precipitation and land surface properties datasets will be analysed to investigate the presence of links between land cover and its gradient with extreme precipitations. Based on the results of this data analysis part, physical hypothesis on the possible mechanisms at play will be formulated, most likely involving surface fluxes, boundary layer dynamics, and stability of the air column. In the second part of the PhD, high resolution numerical modelling tools will be used to test the hypothesis and study the sensitivity to large scale climatic conditions (such as, for instance, sub-tropical vs mid- and high-latitude settings). The project will be performed in collaboration with the Ecole Normale Superieure in Paris, where the PhD student is expected to spend 12 months. It is foreseen that a joint PhD agreement (co-tutelle) will be signed by the two Universities, with the possibility of awarding two PhD degrees. More info on the research group can be found at https://sites.google.com/unimib.it/pasquero.