*POSTER SESSION*

Akimoto Project

P-1
Development of chemical ionization mass spectrometer for measurements of tropospheric chlorine and bromine molecules
Jun Hirokawa, Tetsu Hanmura, Yoshizumi Kajii, and Hajime Akimoto (CAST, Univ. of Tokyo)

P-2
Measurements of atmospheric peroxyl radicals and their possible source
Hiroshi Bandow (Osaka Pref. Univ.)

P-3
Concentrations and behaviors of acidic and basic gases (HCl, HNO3, SO2, NH3), HCHO and CH3CHO in the marine atmosphere in Okinawa and Oki
Shigeru Hashimoto, Yuichi Komazaki (Japan Science and Technology)
Yuichi Hamada, Hideaki Sanjo, Yasushi Narita, Shigeru Tanaka (Keio University)

P-4
Measurement of heavy metals over the sea near Japan using by laser ablation/inductively coupled plasma mass spectrometry (LA/ICP-MS)
Yasushi Narita, Shigeru Tanaka, Atsuko Fukazawa (Keio University)
Shigeru Hashimoto, Yuichi Komazaki (Japan Science and Technology)

P-5
Characteristics of photochemical oxidant concentration in Shimane
Makoto Fujihara, Makoto Nakao, Tsutomu Tatano, Tatsuya Sagawa, and Masamitsu Teranishi
(Shimane Pref. Inst. of  Public Health and Environ. Sci.)

P-6
Simulation of influence of a large amount of CO in biomass burning smokes on OH over Indonesia in October 1997
Yukitomo Tsutsumi, Yosuke Sawa, Hidekazu Matsueda, Hisayuki Y. Inoue, Yukio Makino
(Meteorological Research Institute,Japan)

P-7
Concentrations of peroxides in mountainous area
Hiroto Yonekura (Tokyo Univ. Agr. Technol.), Yukiko Dokiya (Tokyo Univ. Agr. Technol.) and Shiro Hatakeyama (Nat. Inst. of Environ. Studies)

P-8
Laboratory measurements of the O(1D) quantum yield from the near-UV photolysis of O3 and its polynomial expression for use in the atmospheric modeling
Kenshi Takahashi, Nori Taniguchi, and Yutaka Matsumi (STE Lab. Nagoya Univ.)

P-9
Sunrise ozone destruction found in the sub-tropical marine boundary layer
over the North Pacific
Ippei Nagao1, Kiyoshi Matsumoto2, Tanaka Hiroshi1
(1 Nagoya Univ., 2Japan Science and Technology)

P-10
Numerical simulation of high ozone pollution over the north Kanto mountainous area
 Toshimasa Ohara (Shizuoka Univ.)

P-11
Increase of ozone and ozone precursor gases in the upper troposphere over the Indonesian - northern Australian region observed during BIBLE aircraft observation campaign
Kita, K.,1 Y. Higashi,1 Y. Miyazaki,1 M. Fujiwara,1 S. Kawakami,2 T. Sano,2 T. Ogawa,2 M. Takeda,3 N. Nishi,3 Y. Kondo,4 M. Koike,4 D. Blake,5 N. Blake,5 B. Liley6 and T. Machida7
1University of Tokyo. 2NASDA/EORC, 3Kyoto University. 4Nagoya University. 5University of California, Irvine, US., 6NIWA, New Zealand, 7National Institute of Environmental Studies

P-12
Direct measurement of NO2 in the marine atmosphere by laser induced fluorescence technique
 J. Matsumoto, J. Hirokawa, Y. Kajii, H. Akimoto (RCAST, Univ. of Tokyo)

P-13
Large enhancements of ozone and its precursors in the upper troposphere in East Asia in April 1998
 Y. Miyazaki, K. Kita (U.-Tokyo), S. Kawakami, T. Ogawa (NASDA/EORC),
 Y. Kondo (Nagoya.U), D. Blake (UCI) and N. Nishi (U.Kyoto)

P-14
Development of an air-borne OH measurement system
M. Kono, T. Ichikawa, Y. Matsumi, Y. Kondo (STE Lab. Nagoya Univ.)

P-15
Development and field test of chemical ionization mass spectrometer for real time measurement of gas phase nitric acid
H. Furutani (JST) and H. Akimoto (RCAST Univ. of Tokyo)
 

Sakugawa Project



Dynamics and Behavior of Air Pollutants

Presence and behavior of volatile air contaminants in Yakushima, remote south-west island of Japan
Minoru Koga*, Yoshifumi Hanada** and Osamu Nagafuchi***
* Pref. Univ. of Kumamoto
** Kitakyushu City Institute of Environmental Sciences
*** Fukuoka Institute of Health and Environmental Sciences

Measurements of ozone, nitrogen oxides and sulfur dioxide by differential optical absorption spectroscopy (DOAS) and other monitoring systems in Higashi-hiroshima, western Japan
Tsuyoshi Hirakawa*, Prabal Kanti Roy**, *** and Hiroshi Sakugawa**
*Japan Science and Technology Corporation
**Faculty of Integrated Arts and Sciences, Hiroshima Univ.
***Japan Society for the Promotion of Science

Measurements of nitrous acid (HONO) and other trace elements using long-path differential optical absorption spectroscopy (DOAS) in Higashi-Hiroshima, western Japan
Prabal Kanti Roy*, ***, Tsuyoshi Hirakawa**, Takayuki Miyake*, Noritika Hashimmoto* and Hiroshi Sakugawa*
* Faculty of Integrated Arts and Sciences, Hiroshima University
** Japan Science and Technology Corporation
*** Japan Society for the Promotion of Science

Simulation of acid deposition rates - Assessment of sulfur and nitrogen deposition pathways in Hiroshima Prefecture
Jonnifer Sinogaya* and Hiroshi Sakugawa**
* Graduate School of Biosphere Sciences, Hiroshima University
** Faculty of Integrated Arts & Sciences, Hiroshima University

Trace gases (O3, H2O2, SO2) variations and chemical composition of fog water near the summit of Mt. Norikura
Koichi Watanabe and Yutaka Ishizaka
Institute for Hydrospheric-Atmospheric Sciences, Nagoya University

Relationship of organic acid concentration between gas, aerosol and fog droplets
Sachiko Tsujita*, Yutaka Ishizaka*, Keiichi Ohta* and Koji Yoshida**
* Institute for Hydrospheric -Atmospheric Sciences, Nagoya University
** Japan Science and Technology Corporation

Measurements of selenium and sulfate concentration in aerosol particles and fog droplets
Masako Kagawa*, Yutaka Ishizaka** and Keiichi Ohta**
* Graduate School of Science, Nagoya University
** Institute for Hydrospheric - Atmospheric Sciences, Nagoya University

Measurements of dry deposition rates and dew chemistry on the needles of Japanese red pine (Pinus densiflora) at Mt. Gokurakuji in Hiroshima, Japan
Masaaki Chiwa*, Naoshi Oshiro** and Hiroshi Sakugawa**
* Graduate School of Biosphere Sciences, Hiroshima University
** Faculty of Integrated Arts and Sciences, Hiroshima University

Chemical components and acidification mechanism of dew-water
Masaki Takeuchi, Hiroshi Okochi, and Manabu Igawa
Faculty of Engineering, Kanagawa University

Measurement of acidic substances in dew in suburb and forest areas in Hiroshima, Japan
Takayuki Miyake*, Takemitsu Arakaki**, ***, and Hiroshi Sakugawa****
* Graduate school of Biosphere Sciences, Hiroshima University
** Japan Science and Technology Corporation
*** Procter and Gamble Far East, Inc.
**** Faculty of Integrated Arts and Sciences, Hiroshima University

The determination of iron in environmental samples in Hiroshima Prefecture
Do Hoon Kim*, Masaaki Chiwa*, Kazuhiko Takeda**, Hiroshi Sakugawa**
* Graduated School of Biosphere Sciences, Hiroshima University
** Faculty of Integrated of Arts and Sciences, Hiroshima University
 

Vegetation Dymanics and Ecophysiology of Organisms

Forest decline aspect in Mt. Homan
Tohru Manabe, Kunito Nehira and Syuji Wada
Faculty of Integrated Arts and Sciences, Hiroshima University

Analysis of changing vegetation-index (Band 4 / Band 3) and pine forest damage in the western part of Hiroshima Prefecture in 1987, 1990, 1992 and 1996 using satellite imagery
Chunxiang Cao*, Nakane Kaneyuki**, Tsuyoshi Hirakawa* and Hiroshi Sakugawa**
* Graduate School of Biosphere Sciences, Hiroshima University, Japan
** Japan Science and Technology Corporation (CREST)
*** Faculty of Integrated Arts and Sciences, Hiroshima University, Japan

Relationship between atmospheric pollutant levels and temperature distribution on the slope of Mt. Gokurakuji (Hiroshima, Japan) using infrared thermometer
Tsuyoshi Hirakawa*, Masahiro Sakai** Takemitsu Arakaki*** and Hiroshi Sakugawa**
* Japan Science and Technology Corporation
** Shin-Nippon Meteorological and Oceanographical Consaltant Co., Ltd.
*** Procter and Gamble Far East, Inc.
**** Faculty of Integrated Arts and Sciences, Hiroshima University

Measurement of ethylene emission from Japanese red pine (Pinus densiflora) in the field conditions by an improved detection method.
Atsushi Kume*, Naoko Tsuboi**, Naoki Nakagawa**, Naoki Sakurai**, Kaneyuki Nakanae** and Hiroshi Sakugawa**
* Japan Science and Technology Corporation (CREST), The Center for Forest Decline Studies,
    Higashi-Hiroshima 730-0046, Japan
** Faculty of Integrated arts Sciences, Hiroshima University

Application of thermography to diagnosis of transpiration activity of the Pinus densiflora needles
Daiki Kuramoto*, Masayo Suzuki*, Atsushi Kume**, Tsuyoshi Hirakawa**, Kaneyuki Nakane*** and Hiroshi Sakugawa***
* Graduate School of Biosphere Sciences, Hiroshima University
** Japan Science and Technology Corporation (CREST)
*** Faculty of Integrated arts Sciences, Hiroshima University

Comparison of photosynthesis of Pinus densiflora between polluted and unpolluted areas in western Japan
Masayo Suzuki*, Daiki Kuramoto*, Atsushi Kume**, Tsuyoshi Kobayashi**, Kaneyuki Nakane***
* Graduate School of Biosphere Sciences, Hiroshima University
** Japan Science and Technology Corporation (CREST)
*** Faculty of Integrated arts Sciences, Hiroshima University

Gas exchange and chlorophyll fluorescence of the Japanese red pine (Pinus densiflora) needles exposed to OH generating solutions in open top chambers: the simulation of dew at Mt. Gokurakuji, western Japan
Tsuyoshi Kobayashi1, Tsuyoshi Hirakawa1, 2, Nobutake Nakatani1, 3, Takayuki Miyake4, Masayo Suzuki4, Masa-Aki Chiwa4, Takae Yuhara5, Takemitsu Arakaki1, 6, Naoko Tsuboi4, Atsushi Kume1, 5, Kaneyuki Nakane5 and Hiroshi Sakugawa5
1 Japan Science and Technology Corporation (CREST), The Center for Forest Decline Studies, Japan
2 Towa Kagaku Co., Ltd., Japan.
3 Chugai Technos Co., Ltd., Japan.
4 Graduate School of Biosphere Sciences, Hiroshima University, Japan
5 Faculty of Integrated Arts and Sciences, Hiroshima University, Japan
6 Procter and Gamble Far East, Inc., Japan.

Effects of ozone and/or excess soil nitrogen on growth, needle gas exchange rates and chlorophyll contents of Pinus densiflora seedlings
Tatsuro Nakaji* and Takeshi Izuta**
* United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology,
    Fuchu, Tokyo 183-8509, Japan.
** Department of Environmental and Natural Resource Science, Faculty of Agriculture,
     Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan.

Needle chemical compositions of Japanese silver fir (Abies firma) growing in declined forests subjected to acid fog, at Mt. Oyama, Tanzawa Mountains, Japan
Nobutake Nakatani*, **, Tsuyoshi Kobayashi*, Atsushi Kume* and Hiroshi Sakugawa***
* Japan Science and Technology Corporation (CREST), The Center for Forest Decline Studies, Japan
** Chugai Technos Co., Ltd.
*** Factory of Integrated of Arts and Science, Hiroshima University, Japan

Fine-root biomass and mycorrhizal fungal contents in the roots of Japanese fir (Abies firma) trees in the declined and non-declined forests at Mt. Oyama, Tanzawa Mountains, Japan
Takami Satomura*, Atsushi Kume**, Masaaki Chiwa*, Takao Horikoshi*** and Hiroshi Sakugawa***
* Graduate School of Biosphere Sciences, Hiroshima University, Japan
** Japan Science and Technology Corporation (CREST)
*** Faculty of Integrated Arts and Sciences, Hiroshima University, Japan

Effect of aluminium stress on tree roots
Rie Tomioka and Chisato Takenaka
Graduate School of Bioagricultural Sciences, Nagoya University

Microbial fatty acids implying the deterioration of forest soils by acid deposition
Mitsugu Nishimura and Kenichro Mizuno
School of Marine Science and Technology, Tokai Univ.


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