Search Results - "Tanimoto, Hiroshi"

Rethinking of the adverse effects of NOx-control on the reduction of methane and tropospheric ozone – Challenges toward a denitrified society by Akimoto, Hajime, Tanimoto, Hiroshi

“…Nitrogen oxides (NOx = NO + NO2) are key precursors of tropospheric ozone (O3) together with volatile organic compounds (VOC) and carbon monoxide (CO). Since…”
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Increase in springtime tropospheric ozone at a mountainous site in Japan for the period 1998–2006 by Tanimoto, Hiroshi

“…The trend of tropospheric ozone from 1998 to 2006 was examined based on continuous measurements made at a site on Mt. Happo, Japan. We focused our study on…”
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Exceedances of air quality standard level of PM2.5 in Japan caused by Siberian wildfires by Ikeda, Kohei, Tanimoto, Hiroshi

“…We revisited long-term observations of PM2.5 at ground-based stations in Japan during 2001-2012 to examine possible impacts of Siberian wildfires on regional…”
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Estimation of refueling emissions based on theoretical model and effects of E10 fuel on refueling and evaporative emissions from gasoline cars by Yamada, Hiroyuki, Inomata, Satoshi, Tanimoto, Hiroshi, Hata, Hiroo, Tonokura, Kenichi

“…The effects of Reid vapor pressure (RVP) on refueling emissions and the effects of ethanol 10% (E10) fuel on refueling and evaporative emissions were observed…”
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First X‑ray Spectroscopic Observations of Atmospheric Titanium Species: Size Dependence and the Emission Source by Sakata, Kohei, Takahashi, Yoshio, Takano, Shotaro, Matsuki, Atsushi, Sakaguchi, Aya, Tanimoto, Hiroshi

“…Titanium dioxide (TiO2) in mineral dust is considered as one of the driving forces of photocatalytic reaction at the aerosol surface in the atmosphere. As a…”
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Tropospheric winds from northeastern China carry the etiologic agent of Kawasaki disease from its source to Japan by Rodó, Xavier, Curcoll, Roger, Robinson, Marguerite, Ballester, Joan, Burns, Jane C., Cayan, Daniel R., Lipkin, W. Ian, Williams, Brent L., Couto-Rodriguez, Mara, Nakamura, Yosikazu, Uehara, Ritei, Tanimoto, Hiroshi, Morguí, Josep-Anton

“…Evidence indicates that the densely cultivated region of northeastern China acts as a source for the wind-borne agent of Kawasaki disease (KD). KD is an acute,…”
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Establishment of an artificial urine model in vitro and rat or pig model in vivo to evaluate urinary crystal adherence by Hayashi, Kana, Shigemura, Katsumi, Tanimoto, Hiroshi, Kumagai, Kazuo, Gonzales, Ralph Rolly, Yang, Young-Min, Maeda, Koki, Matsuyama, Hideto, Fujisawa, Masato

“…The current study aimed to establish an experimental model in vitro and in vivo of urinary crystal deposition on the surface of ureteral stents, to evaluate…”
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Evaporative emissions in three-day diurnal breathing loss tests on passenger cars for the Japanese market by Yamada, Hiroyuki, Inomata, Satoshi, Tanimoto, Hiroshi

“…Breakthrough emissions that dominate diurnal evaporative emissions from gasoline vehicles were observed in continuous 3-day diurnal breathing loss (DBL) tests…”
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A review of atmospheric chemistry observations at mountain sites by Okamoto, Sachiko, Tanimoto, Hiroshi

“…Located far from anthropogenic emission sources, high-altitude mountain stations are considered to be ideal sites for monitoring climatic and environmentally…”
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Source identification of carbon monoxide over the greater Tokyo area: Tower measurement network and evaluation of global/regional model simulations at different resolutions by Itahashi, Syuichi, Terao, Yukio, Ikeda, Kohei, Tanimoto, Hiroshi

“…Because of its relatively long lifetime among short-lived climate forcers in the atmosphere, carbon monoxide (CO) is utilized as a tracer, and is expected to…”
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Refueling emissions from cars in Japan: Compositions, temperature dependence and effect of vapor liquefied collection system by Yamada, Hiroyuki, Inomata, Satoshi, Tanimoto, Hiroshi

“…Refueling emissions from cars available on the Japanese market, which were not equipped with specific controlling devices, were investigated. For the…”
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Custom-made PTFE filters for ultra-clean size-fractionated aerosol sampling for trace metals by Sakata, Kohei, Kurisu, Minako, Tanimoto, Hiroshi, Sakaguchi, Aya, Uematsu, Mitsuo, Miyamoto, Chihiro, Takahashi, Yoshio

“…Atmospheric deposition of marine aerosols is one of the important sources of dissolved trace metals in the ocean. Analyses of trace metals and stable isotope…”
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FLEXPART v10.1 simulation of source contributions to Arctic black carbon by Zhu, Chunmao, Kanaya, Yugo, Takigawa, Masayuki, Ikeda, Kohei, Tanimoto, Hiroshi, Taketani, Fumikazu, Miyakawa, Takuma, Kobayashi, Hideki, Pisso, Ignacio

“…The Arctic environment is undergoing rapid changes such as faster warming than the global average and exceptional melting of glaciers in Greenland. Black…”
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Tagged tracer simulations of black carbon in the Arctic: transport, source contributions, and budget by Ikeda, Kohei, Tanimoto, Hiroshi, Sugita, Takafumi, Akiyoshi, Hideharu, Kanaya, Yugo, Zhu, Chunmao, Taketani, Fumikazu

“…We implemented a tagged tracer method of black carbon (BC) into a global chemistry transport model, GEOS-Chem, examined the pathways and efficiency of…”
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Evaluation of anthropogenic emissions of black carbon from East Asia in six inventories: constraints from model simulations and surface observations on Fukue Island, Japan by Ikeda, Kohei, Tanimoto, Hiroshi, Kanaya, Yugo, Taketani, Fumikazu

“…Bottom-up emission inventories of black carbon (BC) are used to assess its impact on the climate and air quality using climate models and chemical transport…”
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New approach to evaluate satellite-derived XCO 2 over oceans by integrating ship and aircraft observations by Müller, Astrid, Tanimoto, Hiroshi, Sugita, Takafumi, Machida, Toshinobu, Nakaoka, Shin-ichiro, Patra, Prabir K., Laughner, Joshua, Crisp, David

“…Satellite observations provide spatially resolved global estimates of column-averaged mixing ratios of CO2 (XCO2) over the Earth's surface. The accuracy of…”
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The Essential Role for Laboratory Studies in Atmospheric Chemistry by Burkholder, James B, Abbatt, Jonathan P. D, Barnes, Ian, Roberts, James M, Melamed, Megan L, Ammann, Markus, Bertram, Allan K, Cappa, Christopher D, Carlton, Annmarie G, Carpenter, Lucy J, Crowley, John N, Dubowski, Yael, George, Christian, Heard, Dwayne E, Herrmann, Hartmut, Keutsch, Frank N, Kroll, Jesse H, McNeill, V. Faye, Ng, Nga Lee, Nizkorodov, Sergey A, Orlando, John J, Percival, Carl J, Picquet-Varrault, Bénédicte, Rudich, Yinon, Seakins, Paul W, Surratt, Jason D, Tanimoto, Hiroshi, Thornton, Joel A, Tong, Zhu, Tyndall, Geoffrey S, Wahner, Andreas, Weschler, Charles J, Wilson, Kevin R, Ziemann, Paul J

“…Laboratory studies of atmospheric chemistry characterize the nature of atmospherically relevant processes down to the molecular level, providing fundamental…”
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Analysis of secondary organic aerosols from ozonolysis of isoprene by proton transfer reaction mass spectrometry by Inomata, Satoshi, Sato, Kei, Hirokawa, Jun, Sakamoto, Yosuke, Tanimoto, Hiroshi, Okumura, Motonori, Tohno, Susumu, Imamura, Takashi

“…To understand the mechanism of formation of the secondary organic aerosols (SOAs) produced by the ozonolysis of isoprene, proton transfer reaction mass…”
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Evaluation of Black Carbon Concentration Levels and Trends in East Asia from CMIP6 Climate Models: Comparison to Long-Term Observations in Japan and Biases Due to Chinese Emissions by Ikeda, Kohei, Tanimoto, Hiroshi, Kanaya, Yugo, Taketani, Fumikazu, Matsuki, Atsushi

“…We evaluated the mass concentration levels and long-term trends of black carbon (BC) in the historical and future scenario simulations using 12 climate models…”
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Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations by Niwa, Yosuke, Sawa, Yousuke, Nara, Hideki, Machida, Toshinobu, Matsueda, Hidekazu, Umezawa, Taku, Ito, Akihiko, Nakaoka, Shin-Ichiro, Tanimoto, Hiroshi, Tohjima, Yasunori

“…Inverse analysis was used to estimate fire carbon emissions in Equatorial Asia induced by the big El Niño event in 2015. This inverse analysis is unique…”
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