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Nobuyuki Takegawa
Researcher at Tokyo Metropolitan University
Publications - 149
Citations - 10823
Nobuyuki Takegawa is an academic researcher from Tokyo Metropolitan University. The author has contributed to research in topics: Aerosol & Cloud condensation nuclei. The author has an hindex of 55, co-authored 145 publications receiving 10067 citations. Previous affiliations of Nobuyuki Takegawa include Nagoya University & University of Tokyo.
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Journal ArticleDOI
Ubiquity and dominance of oxygenated species in organic aerosols in anthropogenically-influenced Northern Hemisphere midlatitudes
Qi Zhang,Jose L. Jimenez,Manjula R. Canagaratna,James Allan,Hugh Coe,Ingrid M. Ulbrich,M. R. Alfarra,Akinori Takami,Ann M. Middlebrook,Yele Sun,Katja Dzepina,Edward J. Dunlea,Kenneth S. Docherty,Peter F. DeCarlo,D. Salcedo,Timothy B. Onasch,J. T. Jayne,Takao Miyoshi,A. Shimono,Shiro Hatakeyama,Nobuyuki Takegawa,Yutaka Kondo,Johannes Schneider,Frank Drewnick,Stephan Borrmann,Silke Weimer,Kenneth L. Demerjian,Paul I. Williams,Keith Bower,Roya Bahreini,Roya Bahreini,L. Cottrell,Robert J. Griffin,J. Rautiainen,J. Y. Sun,Yaping Zhang,D. R. Worsnop +36 more
TL;DR: In this article, organic aerosol data acquired by the AMS in 37 field campaigns were deconvolved into hydrocarbon-like OA (HOA) and several types of oxygenated OA components.
Journal ArticleDOI
Evaluation of black carbon estimations in global aerosol models
Dorothy Koch,Dorothy Koch,Michael Schulz,Stefan Kinne,Cameron S. McNaughton,J. R. Spackman,Yves Balkanski,Susanne E. Bauer,Susanne E. Bauer,Terje Koren Berntsen,Tami C. Bond,Olivier Boucher,Mian Chin,Antony D. Clarke,N. De Luca,Frank Dentener,Thomas Diehl,Oleg Dubovik,Richard C. Easter,David W. Fahey,Johann Feichter,D. Fillmore,Steffen Freitag,Steven J. Ghan,Paul Ginoux,Sunling Gong,Larry W. Horowitz,Trond Iversen,Trond Iversen,Alf Kirkevåg,Zbigniew Klimont,Yutaka Kondo,Maarten Krol,Xiaohong Liu,Xiaohong Liu,Ron L. Miller,V. Montanaro,Nobuhiro Moteki,Gunnar Myhre,Joyce E. Penner,Judith Perlwitz,Judith Perlwitz,Giovanni Pitari,S. Reddy,Lokesh K. Sahu,H. Sakamoto,Gregory L. Schuster,Joshua P. Schwarz,Øyvind Seland,Philip Stier,Nobuyuki Takegawa,Toshihiko Takemura,C. Textor,J. van Aardenne,Yongjing Zhao +54 more
TL;DR: In this paper, the authors evaluate black carbon (BC) model predictions from the AeroCom model intercomparison project by considering the diversity among year 2000 model simulations and comparing model predictions with available measurements.
Journal ArticleDOI
Rapid aerosol particle growth and increase of cloud condensation nucleus activity by secondary aerosol formation and condensation: A case study for regional air pollution in northeastern China
Alfred Wiedensohler,Yafang Cheng,Andreas Nowak,Birgit Wehner,Peggy Achtert,M. Berghof,Wolfram Birmili,Zhijun Wu,Min Hu,Tong Zhu,Nobuyuki Takegawa,Kazuyuki Kita,Yoshiko Kondo,S. Lou,S. Lou,Andreas Hofzumahaus,Frank Holland,Andreas Wahner,Sachin S. Gunthe,Diana Rose,Hang Su,Ulrich Pöschl +21 more
TL;DR: In this article, a new particle formation event in a highly polluted air mass at a regional site south of the megacity Beijing and its impact on the abundance and properties of cloud condensation nuclei (CCN) was investigated.
Rapid aerosol particle growth and increase of cloud condensation nucleus activity by secondary aerosol formation and condensation: A case study for regional air pollution in northeastern China
Alfred Wiedensohler,Yafang Cheng,Andreas Nowak,Birgit Wehner,Peggy Achtert,M. Berghof,Wolfram Birmili,Zhijun Wu,Min Hu,Tong Zhu,Nobuyuki Takegawa,Kazuyuki Kita,Yoshiko Kondo,S. Lou,S. Lou,Andreas Hofzumahaus,Frank Holland,Andreas Wahner,Sachin S. Gunthe,Diana Rose,Hang Su,Ulrich Pöschl +21 more
TL;DR: In this paper, a new particle formation event in a highly polluted air mass at a regional site south of the megacity Beijing and its impact on the abundance and properties of cloud condensation nuclei (CCN) was investigated.
Journal ArticleDOI
Oxygenated and water-soluble organic aerosols in Tokyo
Yutaka Kondo,Yuzo Miyazaki,Nobuyuki Takegawa,Takuma Miyakawa,Rodney J. Weber,Jose L. Jimenez,Qi Zhang,D. R. Worsnop +7 more
TL;DR: In this paper, an Aerodyne aerosol mass spectrometer (AMS) and a particle-into-liquid sampler (PILS) were used to measure water-soluble organic carbon (WSOC) during the winter and summer of 2004 in Tokyo.