Zobrazeno 1 - 10 of 27 pro vyhledávání: '"Laaziz El Amraoui"'
1
Akademický článek
Added Value of Aerosol Observations of a Future AOS High Spectral Resolution Lidar with Respect to Classic Backscatter Spaceborne Lidar Measurements
Autor: Flavien Cornut, Laaziz El Amraoui, Juan Cuesta, Jérôme Blanc
Publikováno v: Remote Sensing, Vol 15, Iss 2, p 506 (2023)
In the context of the Atmosphere Observing System (AOS) international program, a new-generation spaceborne lidar is expected to be in polar orbit for deriving new observations of aerosol and clouds. In this work, we analyze the added values of these
Externí odkaz: https://doaj.org/article/4054b8364e51451ba9660dcdd66533ed
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2
Akademický článek
A Pre-Operational System Based on the Assimilation of MODIS Aerosol Optical Depth in the MOCAGE Chemical Transport Model
Autor: Laaziz El Amraoui, Matthieu Plu, Vincent Guidard, Flavien Cornut, Mickaël Bacles
Publikováno v: Remote Sensing, Vol 14, Iss 8, p 1949 (2022)
In this study we present a pre-operational forecasting assimilation system of different types of aerosols. This system has been developed within the chemistry-transport model of Météo-France, MOCAGE, and uses the assimilation of the Aerosol Optical
Externí odkaz: https://doaj.org/article/1b228a0096704dbbb9d004e495ff4453
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3
Added Value of Aerosol Observations of the Future AOS High Spectral Resolution Lidar with Respect to a Classic Backscatter Spaceborne Lidar Measurements
Autor: Flavien Cornut, Laaziz El Amraoui, Juan Cuesta, Jérôme Blanc
In the context of the Atmospheric Observing System (AOS) international program, a new generation spaceborne lidar is expected to be in polar orbit for deriving new observations of aerosol and clouds. In this work, we analyze the added values of these
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85e8323e3f03d8e18130feb0e4efdc4e
https://doi.org/10.20944/preprints202212.0237.v1
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4
Temporal and spatial variability in aerosol optical depth (550 nm) over four major cities of India using data from MODIS onboard the Terra and Aqua satellites
Autor: Sunita Verma, Priyanshu Gupta, R. Bhatla, Swagata Payra, Laaziz El Amraoui
Publikováno v: Arabian Journal of Geosciences. 14
The paper evaluates long-term (2007–2018) temporal and spatial variations in aerosol optical depth (AOD) over four major cities of India, i.e., Delhi, Kolkata, Chennai, and Jaipur, by using Collection 6, Moderate Resolution Imaging Spectroradiomete
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc76b0230162b74438af5f65670bec0e
https://doi.org/10.1007/s12517-021-07455-y
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5
Impact of synthetic space-borne NO2 observations from the Sentinel-4 and Sentinel-5P missions on tropospheric NO2 analyses
Autor: Jukka Kujanpää, Albert Oude Nijhuis, R. Abida, Philippe Ricaud, Laaziz El Amraoui, Renske Timmermans, Arjo Segers, Martijn Schaap, Pepijn Veefkind, Henk Eskes, Lyana Curier, Jean-Luc Attié, Samuel Quesada-Ruiz, Johan de Haan, William Lahoz
Publikováno v: Atmospheric Chemistry and Physics. 19:12811-12833
We present an Observing System Simulation Experiment (OSSE) dedicated to the evaluation of the added value of the Sentinel-4 and Sentinel-5P missions for tropospheric nitrogen dioxide (NO2). Sentinel-4 is a geostationary (GEO) mission covering the Eu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f69721b7376e82235ef9f4ab4d6ad05
https://doi.org/10.5194/acp-19-12811-2019
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8
Modelling the volcanic ash plume from Eyjafjallajökull eruption (May 2010) over Europe: evaluation of the benefit of source term improvements and of the assimilation of aerosol measurements
Autor: Laaziz El Amraoui, Dennis Piontek, Emanuele Emili, Guillaume Bigeard, Jonathan Guth, Luca Bugliaro, Matthieu Plu, Lucia Mona, B. Sic, Béatrice Josse
Publikováno v: Natural hazards and earth system sciences (Online) 21 (2021): 3731–3747. doi:10.5194/nhess-21-3731-2021
info:cnr-pdr/source/autori:Plu M.; Bigeard G.; Sic B.; Emili E.; Bugliaro L.; El Amraoui L.; Guth J.; Josse B.; Mona L.; Piontek D./titolo:Modelling the volcanic ash plume from Eyjafjallajökull eruption (May 2010) over Europe: evaluation of the benefit of source term improvements and of the assimilation of aerosol measurements/doi:10.5194%2Fnhess-21-3731-2021/rivista:Natural hazards and earth system sciences (Online)/anno:2021/pagina_da:3731/pagina_a:3747/intervallo_pagine:3731–3747/volume:21
Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences, Copernicus Publ. / European Geosciences Union, 2021, 21 (12), pp.3731-3747. ⟨10.5194/nhess-21-3731-2021⟩
Natural Hazards and Earth System Sciences, Vol 21, Pp 3731-3747 (2021)
Natural Hazards and Earth System Sciences, 2021, 21 (12), pp.3731-3747. ⟨10.5194/nhess-21-3731-2021⟩
Numerical dispersion models are used operationally worldwide to mitigate the effect of volcanic ash on aviation. In order to improve the representation of the horizontal dispersion of ash plumes and of the 3D concentration of ash, a study was conduct
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65d715fe93d1b58a44242da61357df7c
https://nhess.copernicus.org/articles/21/3731/2021/
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9
An ensemble of state-of-the-art ash dispersion models: towards probabilistic forecasts to increase the resilience of air traffic against volcanic eruptions
Autor: Luca Bugliaro, Laaziz El Amraoui, Delia Arnold Arias, Ana Carvalho, Lennart Robertson, Christian Maurer, Dennis Piontek, Fritz Zobl, Matthieu Plu, Marcus Hirtl, Raimund Zopp, Barbara Scherllin-Pirscher, Guillaume Bigeard, Carl-Herbert Rokitansky, Marie D. Mulder, Rocío Baró, Kurt Eschbacher
Publikováno v: Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences, Copernicus Publ. / European Geosciences Union, 2021, 21 (10), pp.2973-2992. ⟨10.5194/nhess-21-2973-2021⟩
Natural Hazards and Earth System Sciences, Vol 21, Pp 2973-2992 (2021)
Natural Hazards and Earth System Sciences, 2021, 21 (10), pp.2973-2992. ⟨10.5194/nhess-21-2973-2021⟩
High-quality volcanic ash forecasts are crucial to minimize the economic impact of volcanic hazards on air traffic. Decision-making is usually based on numerical dispersion modelling with only one model realization. Given the inherent uncertainty of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72371a90a7f7d0889a43c8cf924acdeb
https://hal.archives-ouvertes.fr/hal-03484552
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