Výsledky vyhledávání - "Leonardo M. A. Alvarado"

Distribution of volatile organic compounds over Indian subcontinent during winter: WRF-chem simulation versus observations

Autor: Narendra Ojha, I. A. Girach, John P. Burrows, Lakhima Chutia, Leonardo M. A. Alvarado, Binita Pathak, Pradip Kumar Bhuyan, Lokesh K. Sahu

Publikováno v: Environmental Pollution. 252:256-269

We investigate the distribution of volatile organic compounds (VOCs) over Indian subcontinent during a winter month of January 2011 combining the regional model WRF-Chem (Weather Research and Forecasting model coupled with Chemistry) with ground- and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd1699e54d7a2c78755238b81f9ab04a
https://doi.org/10.1016/j.envpol.2019.05.097

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Retrievals of glyoxal tropospheric vertical columns from TROPOMI observations

Autor: Jonas Vlietinck, Michel Van Roozendael, Nicolas Theys, Martina M. Friedrich, Jenny Stavrakou, Huan Yu, Jean-François Müller, Christophe Lerot, Christian Retscher, François Hendrick, Leonardo M. A. Alvarado, Andreas Richter, Isabelle De Smedt

Since its launch in October 2017, TROPOMI records earthshine radiances in spectral ranges from the ultraviolet to the shortwave infrared regions at an unprecedented spatial resolution (3.5 x 7 km² and 3.5 x 5.5 km² after August 2019). A suite of L2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8400f7627b3135856c874fc96cf5b688
https://doi.org/10.5194/egusphere-egu2020-13707

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Characterization of OVOC emission from wildfires using observations from Sentinel-5 Precursor

Autor: Leonardo M. A. Alvarado, Andreas Richter, Mihalis Vrekoussis, Andreas Hilboll, Anna B. Kalisz Hedegaard, John P. Burrows

Oxygenated volatile organic compounds (OVOCs) are released to the atmosphere from biogenic, anthropogenic, and pyrogenic sources. The role and importance of OVOCs in ambient atmospheric composition and their role in climate change was established man

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::365ba36c377330607491e9fba20fcd14
https://doi.org/10.5194/egusphere-egu2020-19214

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Enhanced trans-Himalaya pollution transport to the Tibetan Plateau by cut-off low systems

Autor: Mihalis Vrekoussis, Hang Qu, Leonardo M. A. Alvarado, Jianfeng Li, Qiusheng He, Laiguo Chen, Yuzhong Zhang, Charles Smeltzer, John P. Burrows, Ruixiong Zhang, Folkard Wittrock, Yuhang Wang, Andreas Richter

Publikováno v: Atmospheric Chemistry and Physics, Vol 17, Iss 4, Pp 3083-3095 (2017)

Long-range transport followed by deposition of black carbon on glaciers of Tibet is one of the key issues of climate research as it induces changes on radiative forcing and subsequently impacting the melting of glaciers. The transport mechanism, howe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2890b8c53cbf2cc2eb0f01a248ccee04
http://www.atmos-chem-phys.net/17/3083/2017/acp-17-3083-2017.pdf

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Unexpected long-range transport of glyoxal and formaldehyde observed from the Copernicus Sentinel-5 Precursor satellite during the 2018 Canadian wildfires

Autor: Leonardo M. A. Alvarado, Andreas Richter, Mihalis Vrekoussis, Andreas Hilboll, Anna B. Kalisz Hedegaard, Oliver Schneising, John P. Burrows

Glyoxal (CHOCHO) and formaldehyde (HCHO) are intermediate products in the tropospheric oxidation of the majority of volatile organic compounds (VOCs). CHOCHO is also a precursor of secondary organic aerosol (SOA) in the atmosphere. CHOCHO and HCHO ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1b8d97b504a6e74f3c5cdeaaaf60871
https://doi.org/10.5194/acp-2019-684

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Detection of outflow of formaldehyde and glyoxal from the African continent to the Atlantic Ocean with a MAX-DOAS instrument

Autor: Lisa K. Behrens, Andreas Hilboll, Andreas Richter, Enno Peters, Leonardo M. A. Alvarado, Anna B. Kalisz Hedegaard, Folkard Wittrock, John P. Burrows, Mihalis Vrekoussis

Trace gas maps retrieved from satellite measurements show enhanced levels of the atmospheric volatile organic compounds formaldehyde (HCHO) and glyoxal (CHOCHO) over the Atlantic Ocean. To validate the spatial distribution of this continental outflow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e2004c6b00a002aca8a2fabeb55e007
https://www.atmos-chem-phys.net/19/10257/2019/

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Investigating missing sources of glyoxal over China using a regional air quality model (RAMS-CMAQ)

Autor: Mihalis Vrekoussis, John P. Burrows, Meigen Zhang, Jialin Li, Fangkun Wu, Leonardo M. A. Alvarado, Guiqian Tang, Andreas Richter

Publikováno v: Journal of environmental sciences (China). 71

Currently, modeling studies tend to significantly underestimate observed space-based glyoxal (CHOCHO) vertical column densities (VCDs), implying the existence of missing sources of glyoxal. Several recent studies suggest that the emissions of aromati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8a4e21ceb52954c3d4a143788b42a06
https://pubmed.ncbi.nlm.nih.gov/30195669

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