Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Babakar DIOP"'
1
Trends and seasonal variability of atmospheric NO2 and HNO3 concentrations across three major African biomes inferred from long-term series of ground-based and satellite measurements
Autor: Babakar Diop, C. Opepa, Aristide Akpo, S. Darras, D. Laouali, Corinne Galy-Lacaux, Véronique Yoboué, Eric Gardrat, Jonathan E. Hickman, Money Ossohou, M. Ouafo, M. Adon
Publikováno v: Atmospheric Environment. 207:148-166
In the framework of the INDAAF (International Network to study Deposition and Atmospheric chemistry in AFrica) programme, part of the ACTRIS European Research Infrastructure for the long-term observation of Aerosols, Cloud, and Trace gases, this pape
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8136d323b9a89894a3aa137b7292f27
https://doi.org/10.1016/j.atmosenv.2019.03.027
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2
Study on chemical composition and biological activities of essential oil and extracts from Stevia rebaudiana Bertoni leaves
Autor: Babakar Diop, François Nsemi Muanda, Rachid Soulimani, Amadou Dicko
Publikováno v: LWT - Food Science and Technology. 44:1865-1872
Essential oil (EO), water extract (WE), and methanol–water (MWE) (50/50 v:v) were prepared from Stevia rebaudiana Bertoni leaves. Their chemicals compounds, antioxidant, anti-inflammation and antimicrobial activities were evaluated. The EO was anal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb00a218c330a8b278aa43c1da4d7bdf
https://doi.org/10.1016/j.lwt.2010.12.002
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3
Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers
Autor: J. P. Tathy, Eric Mougin, M. Adon, Babakar Diop, P. Castera, J. P. Lacaux, Aristide Akpo, D. Laouali, Eric Gardrat, Jacobus J. Pienaar, L. Sigha-Nkamdjou, H. Al Ourabi, Véronique Yoboué, Corinne Galy-Lacaux, Claire Delon, François Lavenu
Publikováno v: Atmospheric Chemistry and Physics, Vol 10, Iss 15, Pp 7467-7487 (2010)
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, 2010, 10 (15), pp.7467-7487. ⟨10.5194/acp-10-7467-2010⟩
Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (15), pp.7467-7487. ⟨10.5194/acp-10-7467-2010⟩
In this paper we present the long term monitoring of ambient gaseous concentrations within the framework of the IDAF (IGAC-DEBITS-AFRICA) program. This study proposes for the first time an analysis of long-term inorganic gas concentrations (1998 to 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8cdf77e013b269866ceef5b4850ab27
http://www.atmos-chem-phys.net/10/7467/2010/acp-10-7467-2010.pdf
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4
Atmospheric nitrogen budget in Sahelian dry savannas
Autor: Franck Timouk, Eric Mougin, Corinne Galy-Lacaux, François Lavenu, Dominique Serça, Claire Delon, Babakar Diop, Catherine Liousse, Marcellin Adon, Aaron Boone, Aristide Akpo
Publikováno v: Atmospheric Chemistry and Physics Discussions
Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2009, 9, pp.14189-14233. ⟨10.5194/acp-10-2691-2010⟩
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, 2010, 10 (6), pp.2691-2708. ⟨10.5194/acp-10-2691-2010⟩
Atmospheric Chemistry and Physics, Vol 10, Iss 6, Pp 2691-2708 (2010)
Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (6), pp.2691-2708. ⟨10.5194/acp-10-2691-2010⟩
The atmospheric nitrogen budget depends on emission and deposition fluxes both as reduced and oxidized nitrogen compounds. In this study, a first attempt at estimating the Sahel nitrogen budget for the year 2006 is made, through measurements and simu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::290a55bfc47c5a6246fbfa1ac1f14a65
https://doi.org/10.5194/acp-10-2691-2010
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5
Interannual Variability of the Atmospheric Nitrogen Budget in West African Dry Savannas
Autor: Catherine Liousse, Aristide Akpo, Dominique Serça, Eric Mougin, Aaron Boone, Corinne Galy-Lacaux, Marcellin Adon, Claire Delon, Babakar Diop
Publikováno v: Nitrogen Deposition, Critical Loads and Biodiversity ISBN: 9789400779389
Surface emission and deposition fluxes of reactive nitrogen compounds have been studied in three sites of West Africa during the year 2006, representative of dry savannas ecosystem, and part of the IDAF network: Agoufou (Mali, 15.3°N, 1.4°W), Baniz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1b5c1960aa1ab39badc3805e4b9fde5
https://doi.org/10.1007/978-94-007-7939-6_11
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6
Dry and Wet Atmospheric Nitrogen Deposition in West Central Africa
Autor: Babakar Diop, Eric Mougin, Marcellin Adon, Laouali Dungall, Pierre Castera, Jacobus J. Pienaar, Aristide Akpo, Véronique Yoboué, Corinne Galy-Lacaux, Eric Gardrat, Claire Delon, Luc Sigha, Jonas Mphepya, Fabien Solmon
Publikováno v: 6th International Nitrogen Conference
6th International Nitrogen Conference, Nov 2013, Kampala, Uganda. ⟨10.1007/978-94-007-7939-6_10⟩
Nitrogen Deposition, Critical Loads and Biodiversity ISBN: 9789400779389
This work is part of the IDAF (IGAC/DEBITS/AFrica) programme which started in 1995 with the establishment of 10 measurement sites representative of major African ecosystems. The objectives of the programme are to study wet and dry deposition fluxes,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bbafe96c5aa25bb9ee385ab5b428673
https://hal.archives-ouvertes.fr/hal-00910746/file/Galy-Lacaux2014.pdf
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7
Identification, Quantitative Determination, and Antioxidant Properties of Polyphenols of Some Malian Medicinal Plant Parts Used in Folk Medicine
Autor: Babakar Diop, Drissa Diallo, Abdelouaheb Djilani, Amadou Dicko, Donatien Kone
Publikováno v: Macro To Nano Spectroscopy
In biological systems, during the cellular respiration, reactive oxygen species (ROS) like hydroxyl radical (•OH), superoxide anion (•O2−) and hydrogen peroxide (H2O2) are generated, as the natural consequence of oxidation reactions (Tarnawski et
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db7738e369c7b6a969754c474c138bbc
https://doi.org/10.5772/38345
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8
Long term monitoring of the chemical composition of precipitation and wet deposition fluxes over three Sahelian savannas
Autor: Corinne Galy-Lacaux, Claire Delon, Babakar Diop, Didier Orange, Dungall Laouali, Aristide Akpo, Pierre Castera, Eric Gardrat, François Lavenu, Jean-Pierre Lacaux
Publikováno v: Atmospheric environment
Atmospheric environment, Elsevier, 2012, 50, pp.314-327. ⟨10.1016/j.atmosenv.2011.12.004⟩
Atmospheric environment, 2012, 50, pp.314-327. ⟨10.1016/j.atmosenv.2011.12.004⟩
The purpose of this study is to analyze a long term database of the chemical composition of precipitation at three African dry savanna sites in the Sahel. The precipitation samples were collected during the monsoon season at Agoufou (15 degrees 20'N,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f73e7ae194a9125fdb6a1ec5a5b60387
https://hal.archives-ouvertes.fr/hal-00766827
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9
Nitrogen compounds emission and deposition in West African ecosystems: comparison between wet and dry savanna
Autor: Aristide Akpo, Babakar Diop, Catherine Liousse, Marcellin Adon, Corinne Galy-Lacaux, Claire Delon, Dominique Serça
Publikováno v: Biogeosciences Discussions
Biogeosciences Discussions, European Geosciences Union, 2011, 8, pp.7221-7256. ⟨10.5194/bgd-8-7221-2011⟩
Biogeosciences Discussions, 2011, 8, pp.7221-7256. ⟨10.5194/bgd-8-7221-2011⟩
Biogeosciences
Biogeosciences, European Geosciences Union, 2012, 9, pp.385-402. ⟨10.5194/bg-9-385-2012⟩
Biogeosciences, 2012, 9, pp.385-402. ⟨10.5194/bg-9-385-2012⟩
Biogeosciences, Vol 9, Iss 1, Pp 385-402 (2012)
Surface emission and deposition fluxes of reactive nitrogen compounds have been studied in five sites of West Africa during the period 2002 to 2007. Measurements of N deposition fluxes have been performed in IDAF sites representative of main west and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7263358404f4353a9290a3520a632bec
https://hal.archives-ouvertes.fr/hal-00766838
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