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Beatriz Oyama
Researcher at University of São Paulo
Publications - 10
Citations - 386
Beatriz Oyama is an academic researcher from University of São Paulo. The author has contributed to research in topics: Air quality index & Air pollution. The author has an hindex of 5, co-authored 10 publications receiving 302 citations. Previous affiliations of Beatriz Oyama include Utrecht University.
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Journal ArticleDOI
Air quality in the megacity of Sao Paulo: Evolution over the last 30 years and future perspectives
Maria de Fátima Andrade,Prashant Kumar,Edmilson Dias de Freitas,Rita Yuri Ynoue,Jorge Martins,Leila Droprinchinski Martins,Thiago Assis Rodrigues Nogueira,Pedro José Pérez-Martínez,Regina Maura de Miranda,Taciana Toledo de Almeida Albuquerque,Fábio Luiz Teixeira Gonçalves,Beatriz Oyama,Yang Zhang +12 more
TL;DR: A comprehensive review of published results from the last 30 years regarding the sources and atmospheric characteristics of particles and ozone in the Metropolitan Area of Sao Paulo (MASP) is presented in this paper.
Journal ArticleDOI
Vehicle emissions and PM2.5 mass concentrations in six Brazilian cities
Maria de Fátima Andrade,Regina Maura de Miranda,Adalgiza Fornaro,Americo Adlai Franco Sansigolo Kerr,Beatriz Oyama,Paulo Afonso de André,Paulo Hilário Nascimento Saldiva +6 more
TL;DR: In this study, the contributions that vehicle emissions make to the urban fine particulate matter (PM2.5) mass in six state capitals in Brazil are quantified, collecting data for use in a larger project evaluating the impact of air pollution on human health.
Journal ArticleDOI
Global air quality and covid-19 pandemic: Do we breathe cleaner air?
Mehdi Amouei Torkmahalleh,Zarina Akhmetvaliyeva,Ali Darvishi Omran,Faezeh Faezeh Darvish Omran,Mohadeseh Kazemitabar,Mahtab Naseri,Motahareh Naseri,Hamed Sharifi,Milad Malekipirbazari,Enoch Kwasi Adotey,Soudabeh Gorjinezhad,Neda Eghtesadi,Sergei Sabanov,Andrés Alastuey,Maria de Fátima Andrade,Giorgio Buonanno,Samara Carbone,Diego Cardenas-Fuentes,Flemming R. Cassee,Qili Dai,Andrés Henríquez,Philip K. Hopke,Petri Keronen,Haider A. Khwaja,Jong Kim,Markku Kulmala,Prashant Kumar,Jonilda Kushta,Joel Kuula,Jordi Massagué,Tamsin Mitchell,Dennis Mooibroek,Lidia Morawska,Jarkko V. Niemi,Soulemane Halif Ngagine,Michael Norman,Beatriz Oyama,Pedro Oyola,Fatma Öztürk,Tuukka Petäjä,Xavier Querol,Yousef Rashidi,Felipe Reyes,Matthew Ross-Jones,Tunga Salthammer,Chrysanthos Savvides,Luca Stabile,Karin Sjöberg,Karin Söderlund,Ramya Sunder Raman,Hilkka Timonen,Masakazu Umezawa,Mar Viana,Shanju Xie +53 more
TL;DR: The authors of as discussed by the authors truly appreciate the funding provided by Nazarbayev University through the Collaborative Research Grant (grant number: 091019CRP2104), and they would like to acknowledge the resources provided by CART and EREC to conduct this research.
Journal ArticleDOI
A thermal desorption system for measuring δ13C ratios on organic aerosol
Ulrike Dusek,Carl Meusinger,Beatriz Oyama,Beatriz Oyama,W. Ramon,P. A. de Wilde,Rupert Holzinger,Thomas Röckmann +7 more
TL;DR: In this paper, a system that links a thermal desorption oven for aerosol filter samples to an isotope ratio mass spectrometer (IRMS) via a combustion interface was developed.
Journal ArticleDOI
Chemical characterization of organic particulate matter from on-road traffic in São Paulo, Brazil
Beatriz Oyama,Beatriz Oyama,Maria de Fátima Andrade,Pierre Herckes,Ulrike Dusek,Ulrike Dusek,Thomas Röckmann,Rupert Holzinger +7 more
TL;DR: In this paper, the authors report emission of organic particulate matter by light-duty vehicles (LDVs) and heavy duty vehicles (HDVs) in the city of Sao Paulo, Brazil, where vehicles run on three different fuel types: gasoline with 25% ethanol, hydrated ethanol (E100), and diesel with 5% biodiesel.