Search Results - "Mallet, Cécile"

Characterisation of rainfall events in northern Tunisia using self-organising maps by Derouiche, Sabrine, Mallet, Cécile, Hannachi, Abdelwaheb, Bargaoui, Zoubeida

“…The study is carried out for northern Tunisia. Precipitations are often analysed via intensity or accumulation for a specified timescale (e.g., annual,…”
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Unsupervised domain adaptation for Global Precipitation Measurement satellite constellation using Cycle Generative Adversarial Nets by Sambath, Vibolroth, Viltard, Nicolas, Barthès, Laurent, Martini, Audrey, Mallet, Cécile

“…Artificial intelligence has provided many breakthroughs in the field of computer vision. The fully convolutional networks U-Net in particular have provided…”
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The Potential of Low-Cost Tin-Oxide Sensors Combined with Machine Learning for Estimating Atmospheric CH4 Variations around Background Concentration by Rivera Martinez, Rodrigo, Santaren, Diego, Laurent, Olivier, Cropley, Ford, Mallet, Cécile, Ramonet, Michel, Caldow, Christopher, Rivier, Leonard, Broquet, Gregoire, Bouchet, Caroline, Juery, Catherine, Ciais, Philippe

“…Continued developments in instrumentation and modeling have driven progress in monitoring methane (CH4) emissions at a range of spatial scales. The sites that…”
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Estimation of intensity-duration-frequency relationships according to the property of scale invariance and regionalization analysis in a Mediterranean coastal area by Ghanmi, Hanen, Bargaoui, Zoubeida, Mallet, Cécile

“…•Sub daily rainfall in northern Tunisia have a scale break around 30min time scale.•Regional model of IDF based on simple scale assumption was drowning for…”
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Unsupervised Domain Adaptation to Mitigate Out-of-Distribution Problem of Spatial Radiometer Images: Application to Quantitative Precipitation Estimation by Sambath, Vibolroth, Dubois-Quilici, Natanael, Viltard, Nicolas, Martini, Audrey, Mallet, Cecile

“…A major issue limiting the successful deployment of deep-learning algorithms in geophysical applications is their inability to generalize to new contexts…”
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Evaluation Of Drain, A Deep-Learning Approach To Rain Retrieval From Gpm Passive Microwave Radiometer by Viltard, Nicolas, Sambath, Vibolroth, Lepetit, Pierre, Martini, Audrey, Barthes, Laurent, Mallet, Cecile

“…Retrieval of rain from Passive Microwave radiometers data has been a challenge ever since the launch of the first Defense Meteorological Satellite Program in…”
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Using Deep Learning for Restoration of Precipitation Echoes in Radar Data by Lepetit, Pierre, Ly, Camille, Barthes, Laurent, Mallet, Cecile, Viltard, Nicolas, Lemaitre, Yvon, Rottner, Lucie

“…Raw data issued from meteorological radars are often corrupted by unwanted signals generically called clutter. Hills, tall buildings, atmospheric turbulence,…”
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A neural network model for the separation of atmospheric effects on attenuation: Application to frequency scaling by Barthes, Laurent, Mallet, Cécile, Brisseau, Olivier

“…Attenuation due to the propagation of radio waves through the Earth's atmosphere plays a major role in satellite link attenuation at frequencies beyond 20 GHz…”
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Simulation of yearly rainfall time series at microscale resolution with actual properties: Intermittency, scale invariance, and rainfall distribution by Akrour, Nawal, Chazottes, Aymeric, Verrier, Sébastien, Mallet, Cécile, Barthes, Laurent

“…Rainfall is a physical phenomenon resulting from the combination of numerous physical processes involving a wide range of scales, from microphysical processes…”
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Iterative multiscale dynamic time warping (IMs-DTW): a tool for rainfall time series comparison by Dilmi, Mohamed Djallel, Barthès, Laurent, Mallet, Cécile, Chazottes, Aymeric

“…In many domains, such as weather forecasting, hydrology or civil protection, it is an important issue to characterize rainfall variability and intermittency…”
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Using metal oxide gas sensors to estimate the emission rates and locations of methane leaks in an industrial site: assessment with controlled methane releases by Rivera-Martinez, Rodrigo, Kumar, Pramod, Laurent, Olivier, Broquet, Gregoire, Caldow, Christopher, Cropley, Ford, Santaren, Diego, Shah, Adil, Mallet, Cécile, Ramonet, Michel, Rivier, Leonard, Juery, Catherine, Duclaux, Olivier, Bouchet, Caroline, Allegrini, Elisa, Utard, Hervé, Ciais, Philippe

“…Fugitive methane (CH4) emissions occur in the whole chain of oil and gas production, including from extraction, transportation, storage, and distribution. Such…”
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Reconstruction of high-frequency methane atmospheric concentration peaks from measurements using metal oxide low-cost sensors by Rivera Martinez, Rodrigo Andres, Santaren, Diego, Laurent, Olivier, Broquet, Gregoire, Cropley, Ford, Mallet, Cécile, Ramonet, Michel, Shah, Adil, Rivier, Leonard, Bouchet, Caroline, Juery, Catherine, Duclaux, Olivier, Ciais, Philippe

“…Detecting and quantifying CH4 gas emissions at industrial facilities is an important goal for being able to reduce these emissions. The nature of CH4 emissions…”
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Vertical evolution of raindrop size distribution: Impact on the shape of the DSD by Barthes, Laurent, Mallet, Cécile

“…Models of coalescence and breakup lead to equilibrium of the raindrop size distribution (DSD) after a fall through sufficient vertical height. At equilibrium,…”
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Data-driven clustering of rain events: microphysics information derived from macro-scale observations by Dilmi, Mohamed Djallel, Mallet, Cécile, Barthes, Laurent, Chazottes, Aymeric

“…Rain time series records are generally studied using rainfall rate or accumulation parameters, which are estimated for a fixed duration (typically 1 min, 1 h…”
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Neural network model for atmospheric attenuation retrieval between 20 and 50 GHz by means of dual-frequency microwave radiometers by Barthes, Laurent, Mallet, Cécile, Gole, Peter

“…The propagation of signals through the atmosphere plays a major role in the quality of communications between ground terminals and satellites. Its…”
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4-D-VAR assimilation of disdrometer data and radar spectral reflectivities for raindrop size distribution and vertical wind retrievals by Mercier, François, Chazottes, Aymeric, Barthès, Laurent, Mallet, Cécile

“…This paper presents a novel framework for retrieving the vertical raindrop size distribution (DSD) and vertical wind profiles during light rain events. This is…”
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Theoretical and empirical scale dependency of Z-R relationships: Evidence, impacts, and correction by Verrier, Sébastien, Barthès, Laurent, Mallet, Cécile

“…Estimation of rainfall intensities from radar measurements relies to a large extent on power‐laws relationships between rain rates R and radar reflectivities…”
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Simulation of yearly rainfall time series at microscale resolution with actual properties: Intermittency, scale invariance, and rainfall distribution: SIMULATION OF REALISTIC RAINFALL TIME SERIES by Akrour, Nawal, Chazottes, Aymeric, Verrier, Sébastien, Mallet, Cécile, Barthes, Laurent

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Precipitation Estimates from SMOS Sea‐Surface Salinity by Supply, A., Boutin, J., Vergely, J.‐L., Martin, N., Hasson, A., Reverdin, G., Mallet, C., Viltard, N.

“…Two L‐Band (1.4 GHz) microwave radiometer missions, Soil Moisture and Ocean Salinity (SMOS) and Soil Moisture Active and Passive (SMAP) currently provide…”
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Rainfall measurement from the opportunistic use of an Earth–space link in the Ku band by Barthès, L, Mallet, C

“…The present study deals with the development of a low-cost microwave device devoted to the measurement of average rain rates observed along Earth–satellite…”
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