Environmental Technology Research Network
in the Asia-Pacific Region

DB for Research Project
Category(1) : Ocean
Category(2) : Modeling

1. Project Name
2. Duration
3. Research Catagory 1
4. Research Catagory 2
5. Research Field
6. Researchers
7. Affiliation 1
8. Affiliation 2
9. Address
10. Country
11. Phone
12. Fax
13. Project Summary
14. Publications
15. International Joint Study with

Geological Survey of Japan(GSJ), Japan

1. Transportation and removal of carbon in ocean through particulate materials
2. 1995-1999
3. global change, ocean, sediments
4. measurement, modeling
5. geology, chemistry, and biology
6. Akira NISHIMURA, Hodaka KAWAHATA, Ken IKEHARA, Yuichiro TANAKA, Takeshi NAKAJIMA, and Atushi SUZUKI
7. Marine Mineral Resources Sec. and Coastal Sedimentatin Sec., Marine Geology Dept.
8. GSJ, AIST, MITI
9. 1-1-3 Higashi, Tsukuba, Ibaraki 305
10. Japan
11. 81-298-61-3594
12. 81-298-61-3589
13. Global warming caused by greenhouse gases is one of the most severe environmental problems in global change. The aim of this research is to clear the carbon cycle in ocean, which is a large reservoir of carbon and has an important role of climatic change. The flux and characteristcs of particulate materials sampled in a sediment trap and sea-bottom sediments sampled by a multiple corer are analyzed as a point of view of carbon cycle and carbon flux in ocean. Dissolution and decomposition of particulate materials duribg the transportation process and diagenesis at the sea-bottom interface are important processses of carbon cycle in the deeper part of the ocean. We have researched thse processes and we will make their model.
14. 1) Akira Nishimura et al., Global environmental problems and global carbon cycle - What should geologists do? -, Jour. Geol. Soc. Japan, 100, 409-416, 1994. 2) Hodaka Kawahata et al., The fluctuation of primary productivity during the last 300 kyr in the West Caroline Basin, Jour. Geol. Soc. Japan, 100, 762-770,1994.

National Institute for Resources and Environment(NIRE), Japan

1. Japanese Study on the Behavior of Greenhouse Gases and Aerosols
2. 1990-1999
3. global change, air, water, ocean
4. counter measures, reaction mechanism, measurement, monitoring, modeling
5. chemistry, geophysics
6. Takashi IBUSUKI, Koji TAKEUCHI, Shuzo KUTSUNA, Kazuhide KOIKE, Hitomi KOBARA
7. Photoenergy Application Div., Global Warming Control Dept.
8. NIRE, AIST, MITI
9. 16-3 Onogawa, Tsukuba, Ibaraki 305
10. Japan
11. 81-298-61-8168
12. 81-298-61-8158
13. This project aims at conducting research and observation on long-term trend of greenhouse materials and on the material circulation and quantitative analysis of natural balance in order to estimate and predict influence of anthropogenic and natural greenhouse gases.

Chugoku National Industrial Research Institute(CNIRI), Japan

1. Environmental Mitigation and Renovation of the Seto Inland Sea
2. 1995-1999
3. ocean
4. impact assessment, modeling, counter measures
5. engineering
6. Moriyasu TAKARADA, Michihiro TANABE, Ichiro YUASA, Eisuke HASHIMOTO, Munehiro YAMASAKI, Satoru TAKAHASHI
7. Environmental Hydraulics Section, Marine Environmental Science and Technology Division
8. CNIRI,AIST,MITI
9. 2-2-2 Hiro-Suehiro,Kure,Hiroshima 737-01
10. Japan
11. 81-823-72-1921
12. 81-823-73-3284
13. This study is planned as a five year project started from FY 1995 to elucidate the more appropriate arrangement of lands to be reclaimed in the bay together with the appropriate redistribution or reduction of existing effluent discharges into the bay by carrying out simulation experiments with hydraulic and numerical models as assessment tools. This study also aims to establish effective measures or technologies for the bay to compensate the unfavorable development impacts and to restore or enhance the environmental capacity of the bay itself based on the field survey for substance transport and assimilation processes in the bay and on the simulation experiments with hydraulic and numerical models for tidal flow control measures such as structure construction or topography modification on the bay bottom. The rational application of ecosystem model is the other task of this study to evaluate the ecological effects of these measures and to round off this study at its final stage.
14. 1)Ichiro YUASA et al., Necessity of monitoring of marine ecosystem changes, Proc. of Internat. Conf. on Tech. for Marine Environmental Preservation(MARIENV'95),596-602,1995 9
    2)Moriyasu Takarada et al., Measures for Marine Environmental Conservation and Enhancement, Proc. of MARIENV'95,458-462,1995 9 3)Hideki UESHIMA et al., Tidal Flow Control as a Means of Marine Environmental Conseration and Enhancement, Marine Technology Society Journal,Vol.29,No.3,67-73,1995 Fall

1. Study on a evaluation method of marine arganism flow in a coastal area
2. 1993-1997
3. ocean, others(material cycle)
4. measurement, modeling
5. chemistry, others(coastal marine environment)
6. Akira HOSHIKA, Terumi Tanimoto, Yasuhumi MISHIMA, Hideki UESHIMA
7. Marine Environment Section, Marine Environmental Science and Technology
8. CNIRI, AIST, MITI
9. 2-2-2 Hiro-suehiro, Kure, Hiroshima 737-01
10. Japan
11. 81-823-72-1930
12. 81-823-73-3284
13. The aim of this study is to make clear mechanisms of organic pollution in the representative semi-enclosed seas.
14. 1)Akira HOSHIKA, Takayuki SHIOZAWA, Kichiichiro KAWANA and Terumi TANIMOTO, Heavy metal pollution in sediment from the Seto Inland Sea,Japan, 23, 101-105, 1991
    2)Akira HOSHIKA and Terumi TANIMOTO, Sedimentation processes of particulate matter in the Osaka Bay, Umino Kenkyu, 3, 419-425, 1994
    3)Kichiichiro KAWANA, Akira HOSHIKA, Shizuko HIRATA, K. SUGIO, A.F. GIMENEZ and W.G. TESSLER, Environmental impacts caused by industrial waste in subtropical coastal waters. IGBP, Regieonal Conference on global change, 1995
15. Sao-Paulo University, Brasil