Výsledky vyhledávání - "Raymond Ellul"

Akademický článek

Long-Term Tropospheric Ozone Data Analysis 1997–2019 at Giordan Lighthouse, Gozo, Malta

Autor: Brunislav Matasović, Martin Saliba, Rebecca Muscat, Marvic Grima, Raymond Ellul

Publikováno v: Atmosphere, Vol 14, Iss 9, p 1446 (2023)

Long-term data analysis of the hourly ozone volume fractions in the middle of the Mediterranean Seawas carried out covering a period of 22 years. It was noticed that the amount of ozone during this period very rarely exceeded the recommended upper li

Externí odkaz: https://doaj.org/article/2c29b4da1f4841409b21212bf837f10c

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Akademický článek

Utilizing Earth Observations of Soil Freeze/Thaw Data and Atmospheric Concentrations to Estimate Cold Season Methane Emissions in the Northern High Latitudes

Autor: Maria Tenkanen, Aki Tsuruta, Kimmo Rautiainen, Vilma Kangasaho, Raymond Ellul, Tuula Aalto

Publikováno v: Remote Sensing, Vol 13, Iss 24, p 5059 (2021)

The northern wetland methane emission estimates have large uncertainties. Inversion models are a qualified method to estimate the methane fluxes and emissions in northern latitudes but when atmospheric observations are sparse, the models are only as

Externí odkaz: https://doaj.org/article/099eada5a2f54bfebc4d643e3ee8ce70

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Akademický článek

Trends in Vessel Atmospheric Emissions in the Central Mediterranean over the Last 10 Years and during the COVID-19 Outbreak

Autor: Martin Saliba, Francelle Azzopardi, Rebecca Muscat, Marvic Grima, Alexander Smyth, Jukka-Pekka Jalkanen, Lasse Johansson, Alan Deidun, Adam Gauci, Charles Galdies, Tonio Caruana, Raymond Ellul

Publikováno v: Journal of Marine Science and Engineering, Vol 9, Iss 7, p 762 (2021)

Giordan Lighthouse, located on the island of Gozo in the Malta-Sicily Channel within the central Mediterranean region, is ideally located to study the primary sources of atmospheric pollution. A total of 10 years of data have been accumulated from th

Externí odkaz: https://doaj.org/article/7cc03de0ed1e40aab2f3b0f5f94636b9

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Trends in vessel atmospheric emissions in the central mediterranean over the last 10 years and during the COVID-19 outbreak

Autor: Alan Deidun, Raymond Ellul, Rebecca Muscat, Charles Galdies, Lasse Johansson, Jukka-Pekka Jalkanen, Marvic Grima, Adam Gauci, Martin Saliba, Alexander Smyth, Tonio Caruana, Francelle Azzopardi

Publikováno v: Journal of Marine Science and Engineering, Vol 9, Iss 762, p 762 (2021)
Journal of Marine Science and Engineering
Volume 9
Issue 7

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dd9e6b2584fe50bf3b0ba64e911c987
https://www.um.edu.mt/library/oar/handle/123456789/78243

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Global methane emission estimates for 2000–2012 from CarbonTracker Europe-CH4 v1.0

Publikováno v: Geoscientific Model Development. 10:1261-1289

We present a global distribution of surface methane (CH4) emission estimates for 2000–2012 derived using the CarbonTracker Europe-CH4 (CTE-CH4) data assimilation system. In CTE-CH4, anthropogenic and biospheric CH4 emissions are simultaneously esti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::625324f5bb87db3c6f12a12377441b39
https://doi.org/10.5194/gmd-10-1261-2017

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Gridded global surface ozone metrics for atmospheric chemistry model evaluation

Autor: Raymond Ellul, F. Apadula, R. Girgzdiene, Ian E. Galbally, E. D. Sofen, Kjetil Tørseth, S. Luppo, Manuel Cupeiro, Paolo Bonasoni, M. Mimouni, Dene Bowdalo, Martin Saliba, Alberth Nahas, Matthew Evans

Publikováno v: Earth System Science Data, Vol 8, Iss 1, Pp 41-59 (2016)
Earth System Science Data
Earth system science data
8 (2016): 41–59. doi:10.5194/essd-8-41-2016
info:cnr-pdr/source/autori:Sofen E.D.; Bowdalo D.; Evans M.J.; Apadula F.; Bonasoni P.; Cupeiro M.; Ellul R.; Galbally I.E.; Girgzdiene R.; Luppo S.; Mimouni M.; Nahas A.C.; Saliba M.; Torseth K./titolo:Gridded global surface ozone metrics for atmospheric chemistry model evaluation/doi:10.5194%2Fessd-8-41-2016/rivista:Earth system science data (Print)/anno:2016/pagina_da:41/pagina_a:59/intervallo_pagine:41–59/volume:8

The concentration of ozone at the Earth’s surface is measured at many locations across the globe for the purposes of air quality monitoring and atmospheric chemistry research.We have brought together all publicly available surface ozone observation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83a465b6db0d8317705e34c47e0be179
http://www.earth-syst-sci-data.net/8/41/2016/essd-8-41-2016.pdf

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The effect of Etna volcanic ash clouds on the Maltese Islands

Autor: Simona Scollo, Francelle Azzopardi, Michele Prestifilippo, Raymond Ellul, Mauro Coltelli

Publikováno v: Journal of Volcanology and Geothermal Research. 260:13-26

In this paper, we have studied in depth the effect of Etna volcanic ash clouds on the Maltese Islands. Research was carried out to gather information about Etna's eruptions that impacted the Maltese Islands, starting with historical eruptions dating

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9d8a1ad95cfa5b73a3e491b4db358b5
https://doi.org/10.1016/j.jvolgeores.2013.04.019

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