A5074338739- Meteorological Phenomena and Simulations
- Climate variability and models
- Oceanographic and Atmospheric Processes
- Tropical and Extratropical Cyclones Research
- Ocean Waves and Remote Sensing
- Precipitation Measurement and Analysis
- Marine Biology and Ecology Research
- Geophysics and Gravity Measurements
- Coral and Marine Ecosystems Studies
- Marine and coastal plant biology
- Atmospheric aerosols and clouds
- Atmospheric chemistry and aerosols
- Atmospheric and Environmental Gas Dynamics
- Flood Risk Assessment and Management
- Ocean Acidification Effects and Responses
- Atmospheric Ozone and Climate
- GNSS positioning and interference
- Wind and Air Flow Studies
- Cryospheric studies and observations
- Soil Moisture and Remote Sensing
- Marine and coastal ecosystems
- Spaceflight effects on biology
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Tree-ring climate responses
- Remote-Sensing Image Classification
University of Milano-Bicocca
2017-2025
Politecnico di Milano
2017-2022
CIMA Research Foundation
2019-2021
CoNISMa
2019
Planetary Science Institute
2017
Harvard University
2017
Ricerca sul Sistema Energetico (Italy)
2017
Abstract Ocean and atmosphere exchange energy mass at their interface a rate that depends on the dynamical thermodynamical disequilibrium between water air. In this work, using an atmospheric model forced by observed high resolution sea surface temperature (SST) fields, we show air‐sea is also maintained processes driven fine scale SST patterns. The analysis focuses north‐western tropical Atlantic indicates anomalies modulate air column stability entrainment of dry boundary layer top. main...
Abstract Tropical cyclones generate a large and wide cold wake along their trajectories, which conditions the subsequent evolution of tropical cyclone themselves. The wakes persist for weeks, impacting both upper ocean, air‐sea fluxes, atmosphere. study by Z. Ma et al. (2020, https://doi.org/10.1029/2020GL088873 ) first time analyzes composite remotely sensed data sets to show that modify surface winds reduce cloud coverage rainfall. These results contribute shedding light on mechanisms at...
Abstract The mechanisms controlling the influence of sea surface temperature (SST) structure on winds are studied by means numerical simulations run with a nonhydrostatic fully compressible state‐of‐the‐art model in realistic midlatitudes setup, leading to 9 October 2014 Genoa heavy rainfall event. Starting from simulation high‐resolution submesoscale eddy‐permitting SST field, boundary conditions changed enhance, reduce, or smooth gradient. It is found that marine atmospheric layer responds...
The Mediterranean region is frequently struck by severe rainfall events causing numerous casualties and several million euros of damages every year. Thus, improving the forecast accuracy a fundamental goal to limit social economic damages. Numerical Weather Prediction (NWP) models are currently able produce forecasts at km scale grid spacing but unreliable surface information poor knowledge initial state atmosphere may inaccurate simulations weather phenomena. STEAM (SaTellite Earth...
Hyperspectral imagers enable the collection of high-resolution spectral images exploitable for supervised classification habitats and objects interest (OOI). Although this is a well-established technology study subaerial environments, Ecotone AS has developed an underwater hyperspectral imager (UHI) system to explore properties seafloor. The aim project evaluate potential instrument mapping monitoring benthic in shallow deep-water environments. For first time, we tested at two sites Southern...
Abstract The study of carbonate rocks is primarily reliant on microfacies analysis, which strongly based the comparison with modern allochem assemblages. Despite existence several models aimed at comprehensively explaining, bases abiotic factors, distribution carbonate-producing organisms, a global, quantitative and standardized overview composition shallow-water sediments still missing. Aiming to address this gap in knowledge, current provides global database available data neritic...
Abstract This study delves into the nuanced dynamics of daily air‐sea coupling across varying grid spacing over Mediterranean Sea. Two fundamental thermal feedback mechanisms namely downward momentum mixing (DMM) and pressure adjustment (PA), are investigated using High‐Resolution Model Intercomparison Project (HighResMIP) model data at different oceanic atmospheric resolution during 1990–2014. Most models show a stronger PA weaker DMM with respect to satellite observations, which found...
Global topography plays a fundamental role in shaping climate, influencing atmospheric circulation and precipitation patterns through orographic effects. While much of Earth's arises from isostatic support due to variations crustal lithospheric thickness density, significant portion up 1-2km results dynamic forces driven by slow yet vigorous mantle convection. Despite decades research on the spatial temporal evolution such ‘dynamic topography’, its impact global climate...
Classical models of tropical cyclone intensification often predict that cyclones will intensify to a steady-state intensity determined primarily by surface fluxes, while convection maintains the atmosphere close neutrally stable state (Emanuel et al. (2003); Emanuel (1995)). However, simulations using non-hydrostatic, high-resolution SAM model under idealized conditions (rotating radiative-convective equilibrium in doubly-periodic domain) reveal more complex evolution.While early aligns with...
An accurate knowledge of precipitation data at high spatio-temporal resolution is crucial for hydrological forecasting, meteorological analysis, and climate studies. This especially true in  mountainous areas, where traditional models struggle to accurately predict due factors such as low spatial rain gauges are sparse. High-elevation areas particularly relevant they act reservoirs water resources characterized by elevation-dependent change signals (Pepin et al., 2022). By...
Mediterranean rhodolith beds are priority marine benthic habitats for the European Community, because of their relevance as biodiversity hotspots and role in carbonate budget. Presently, typically occur within range 30–75 m water depth, generally located around islands capes, on flat or gently sloping areas. In framework a collaboration between University Milano-Bicocca Marine Protected Area “Capo Carbonara” (Sardinia, Italy), video explorations sampling collections three selected sites...
Abstract Sea surface temperature (SST) is characterized by abundant warm and cold structures that influence the overlying atmospheric boundary layer dynamics through two different mechanisms. First, turbulence large eddies in lower troposphere are affected stability, which can be modified local SST, resulting enhanced vertical mixing larger winds over warmer waters. Second, thermodynamic adjustment of air density to underlying SST subsequent changes pressure drive secondary circulations....
Abstract Air and sea interact on a wide range of scales, shaping climate influencing weather. The direct effect surface temperature (SST) structures the extratropical atmosphere at daily time‐scale is generally masked by large variability associated with atmospheric dynamics. With 25 years SST wind observational products, obtained data from buoys, satellite analysis in Mediterranean, we show that strong convergence preferentially occurs when air encounters cold front. mechanism responsible...
Abstract Using 25 years of ERA5 reanalysis data, this study shows that wind divergence is partially driven by small‐scale sea surface temperature (SST) patterns via their effect on the boundary layer stability. Moreover, strong warm‐to‐cold fronts (the upper quartile) are associated with a mean increase cloud cover 10% ± 5% and in probability rain event 15% 6%, respect to average values. The rainfall dependence SST more pronounced Fall, probably due stronger gradients present at end summer season.
Abstract Aerosols significantly affect cloud microphysics and energy budget in different ways. The contribution of the direct, semi‐direct, indirect effects aerosols on radiation are here investigated over North Atlantic tropical ocean under aerosol loadings. Weather Research Forecasting Model is used to perform a set numerical idealized experiments, which forced with prescribed profiles. We evaluate modeled shallow clouds surface radiative budget. results indicate that large loadings...
Abstract Low‐level clouds over the tropical and sub‐tropical oceans play a crucial role in planetary radiative energy budget. However, they are challenging to model climate simulations because affected by local processes that still partially unknown. The control mesoscale sea surface temperature (SST) structures have on dynamics of lower atmosphere daily scales is emerging be non‐negligible calls for more effort understood. During EUREC 4 A field campaign, two research vessels (R/Vs)...
Atmospheric Phase Screens (APSs) derived from Interferometric Synthetic Aperture Radar (InSAR) observations contain the difference between tropospheric water vapor induced delay of two acquisition epochs, i.e. slave and master (or reference) epochs. Using estimates atmospheric state coming independent sources, for example numerical models and/or Global Navigation Satellite System (GNSS) observations, APSs can be transformed into absolute maps Tropospheric Delay (Zenith Total or ZTD), related...
In this work, we present preliminary results of the first application in Mediterranean Sea a hyperspectral camera, device commonly used for satellite or airborne remote sensing, adapted underwater environment. The spectral analysis was carried out on images acquired two different environmental settings southern Adriatic Sea. This new technology shows high potentialities benthic habitat mapping and monitoring.
In this study, ocean and atmosphere satellite observations, an atmospheric reanalysis a set of regional numerical simulations the lower are used to assess coupling between sea-surface temperature (SST) marine boundary layer (MABL) as well latent heat flux (LHF) sensitivity SST in north-west tropical Atlantic Ocean. The results suggest that SST-MABL depends on spatial scale interest. At scales larger than mesoscale (larger 150 km), negative correlations observed near-surface wind speed (U 1...
Ocean mesoscale eddies, with $$20-300$$ km size, present in energetic regions of the global ocean, are known to impact local and remote atmospheric weather. The eddies Mediterranean Sea on weather, however, remains largely unknown. Here, we study this during an extreme weather event observed over Israel January $$8-10$$ , 2020, resulting heavy rains floods. To do so, designed a set coupled forced numerical simulations horizontal resolution 5 both ocean atmosphere. simulation successfully...
Abstract Numerical models are operationally used for weather forecasting activities to reduce the risks of several hydro-meteorological disasters. The overarching goal this work is evaluate Weather Research and Forecasting (WRF) model predictive capabilities over Italian national territory in year 2018, two specific cloud resolving configurations. validation carried out with a fuzzy logic approach, by comparing precipitation predicted WRF model, observed network. technique, considering...
Abstract. The B/Ca ratio in calcareous marine species is informative of past seawater CO32- concentrations, but scarce data exist on coralline algae. Recent studies suggest influences temperature and growth rates B/Ca, the effect which could be critical for reconstructions surface ocean pH atmospheric pCO2. In this paper, we present first laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analyses Mg, Sr, Li, B alga Lithothamnion corallioides collected from different...