Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Tazuko Morikawa"'
Autor:
Jinseok Kim, Junhee Park, Hyejung Hu, Monica Crippa, Diego Guizzardi, Satoru Chatani, Junichi Kurokawa, Tazuko Morikawa, Soyoung Yeo, Hyungah Jin, Jung-Hun Woo
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 17, Iss 1, Pp 1-13 (2023)
Abstract This study aims to understand the impact of previous air quality improvement policies on historical emission changes by examining long-term emission trends in Korea. Annual emissions from 2000 to 2018 were estimated using Korea’s official
Externí odkaz:
https://doaj.org/article/e46aba6e1b0e4101ae0c4828039637ea
Autor:
Mizuo Kajino, Hiroyuki Hagino, Yuji Fujitani, Tazuko Morikawa, Tetsuo Fukui, Kazunari Onishi, Tomoaki Okuda, Yasuhito Igarashi
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract The aerosol oxidative potential (OP) is considered to better represent the acute health hazards of aerosols than the mass concentration of fine particulate matter (PM2.5). The proposed major contributors to OP are water soluble transition me
Externí odkaz:
https://doaj.org/article/5dd9bb8f79f442dbb1229ef1419f42af
Autor:
Mizuo Kajino, Hiroyuki Hagino, Yuji Fujitani, Tazuko Morikawa, Tetsuo Fukui, Kazunari Onishi, Tomoaki Okuda, Tomoki Kajikawa, Yasuhito Igarashi
Publikováno v:
GeoHealth, Vol 4, Iss 9, Pp n/a-n/a (2020)
Abstract Emission inventories of anthropogenic transition metals, which contribute to aerosol oxidative potential (OP), in Asia (Δx = 0.25°, monthly, 2000–2008) and Japan (Δx = 2 km, hourly, mainly 2012) were developed, based on bottom‐up inve
Externí odkaz:
https://doaj.org/article/928d8ff5f6f34b7cb381eae1b53415df
Autor:
Hikari Shimadera, Hiroshi Hayami, Satoru Chatani, Tazuko Morikawa, Yu Morino, Yasuaki Mori, Kazuyo Yamaji, Seiji Nakatsuka, Toshimasa Ohara
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 12, Iss 2, Pp 139-152 (2018)
The urban model inter-comparison study (UMICS) was conducted in order to improve the performance of air quality models (AQMs) for simulating fine particulate matter (PM2.5) in the Greater Tokyo Area of Japan. UMICS consists of three phases: the first
Externí odkaz:
https://doaj.org/article/95273c8b10ff44ea9cbb3006c7340fe5
Publikováno v:
Atmosphere, Vol 12, Iss 8, p 1072 (2021)
The aim of this paper is to obtain information that will contribute to measures and research needed to further improve the air quality in Japan. The trends and characteristics of air pollutant concentrations, especially PM2.5, ozone, and related subs
Externí odkaz:
https://doaj.org/article/d29e8f875c004f759a5757fada3197f0
Autor:
Yoshiaki Shibata, Tazuko Morikawa
Publikováno v:
Atmosphere, Vol 12, Iss 8, p 943 (2021)
Around 1997, when JCAP (the Japan Clean Air Program) began, Japan’s atmospheric environment did not meet the environmental standards for NO2 and suspended particle matters (SPM), and strict reduction requirements for automobile exhaust gas were req
Externí odkaz:
https://doaj.org/article/20ce5396c11843159969367f3d0ffc79
Autor:
Syuichi Itahashi, Kazuyo Yamaji, Satoru Chatani, Kyo Kitayama, Yu Morino, Tatsuya Nagashima, Masahiko Saito, Masayuki Takigawa, Tazuko Morikawa, Isao Kanda, Yukako Miya, Hiroaki Komatsu, Tatsuya Sakurai, Hikari Shimadera, Katsushige Uranishi, Yuzuru Fujiwara, Tomoaki Hashimoto, Hiroshi Hayami
Publikováno v:
Atmosphere, Vol 11, Iss 5, p 511 (2020)
In this study, the results for nitrate (NO3−) aerosol during winter from the first-phase model inter-comparison study of Japan’s Study for Reference Air Quality Modeling (J-STREAM) were analyzed. To investigate the models’ external and internal
Externí odkaz:
https://doaj.org/article/f0b27bd5fca8443aaa4859b20e6a9226
Autor:
Kazuyo Yamaji, Satoru Chatani, Syuichi Itahashi, Masahiko Saito, Masayuki Takigawa, Tazuko Morikawa, Isao Kanda, Yukako Miya, Hiroaki Komatsu, Tatsuya Sakurai, Yu Morino, Kyo Kitayama, Tatsuya Nagashima, Hikari Shimadera, Katsushige Uranishi, Yuzuru Fujiwara, Tomoaki Hashimoto, Kengo Sudo, Takeshi Misaki, Hiroshi Hayami
Publikováno v:
Atmosphere, Vol 11, Iss 3, p 222 (2020)
A model inter-comparison of secondary pollutant simulations over urban areas in Japan, the first phase of Japan’s study for reference air quality modeling (J-STREAM Phase I), was conducted using 32 model settings. Simulated hourly concentrations of
Externí odkaz:
https://doaj.org/article/80f22bfd9c6b40b5ba31324249d8c052
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 7, Iss 4, Pp 177-190 (2013)
Air pollution trends in Japan between 1970 and 2012 were analyzed, and the impact of air pollution countermeasures was evaluated. Concentrations of CO decreased from 1970 to 2012, and in 2012, the Japanese environmental quality standard (EQS) for CO
Externí odkaz:
https://doaj.org/article/2871cb5900ee483bbebbbbc72e49a02a
Autor:
Yu Morino, Satoru Chatani, Hiroshi Hayami, Kansuke Sasaki, Yasuaki Mori, Tazuko Morikawa, Toshimasa Ohara, Shuichi Hasegawa, Shinji Kobayashi
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 3, Pp 150-156 (2010)
Inter-comparison of chemical transport models (CTMs) was conducted among four modeling research groups. Model performance of the ensemble approach to O3 and PM2.5 simulation was evaluated by using observational data with a time resolution of 1 or 6 h
Externí odkaz:
https://doaj.org/article/9c4441b33261430c974c900473c69cc0