List of Session (S) JPGU Meeting 2009 ( Title / Description / Convener)

B (Biogeosciences)          to top of this page

Evolution of Chemosynthetic Community in Earth History  B201

Chemosynthetic communities have changed in their taxonomic composition and spatial distribution through the Earth history, but the causes and backgrounds remain to be unclear. Topics and information in various studies will be exchanged between geology, paleontology, geochemistry, and biology. We also hope to raise some seeds of co-works on evolutionary study on chemosynthetic ecosystem.

**Convener: Takami Nobuhara (Science Education (Geology), Faculty of Education, Shizuoka University) etnobuh@ipc.shizuoka.ac.jp

C (Geochemistry)          to top of this page

Geochemical mapping: A prospective tool for geosciences  C202  only poster presentation session

The geochemical map reveals elemental and isotopic distributions on terrestrial earth. The map is used as the responsible tools on geoenvironmental assessment, resource exploration, geological mapping and field educations. We would like to discuss the varieties of methods and tools for sampling, analytical, data processing and applications of geochemical map.

**Convener: Tsuyoshi Tanaka (Department of Earth and Environmental Sciences, Graduate School of Environmental Studies, Nagoya University)

Geochemical analysis of Phanerozoic environmental changes  C203

The aim of this session is understanding global environmental changes and events based on geochemical data obtained by the most advanced methods. The latest studies on important geological boundaries including Permian/Triassic boundary or on long-term environmental changes across the Phanerozoic will be presented.

**Convener: Yasuhiro Kato (Department of Geosystem Engineering, Graduate School of Engineering, University of Tokyo)

D (Geodesy)          to top of this page

E  (Geomagnetism)          to top of this page

Geospace Environment Measurements by using ISS JEM  E204

International Space Station (ISS) Japan Experiment Module (JEM) will start experiment with SEDA-AP instrument in May, 2009 and SMILES instrument will then be sent to JEM. Following project to measure Earth's upper atmosphere (IMAP) is now under consideration. We will present each project and discuss them to accelerate ISS utilization for environment science.

**Convener: Takahiro Obara (Japan Aerospace Exploration Agency)

Global electric circuit and lightning-related phenomena in t  E205  International session

Lightning activities have been investigated by spacecraft explorations in planets. On the other hand, it has been revealed that the lightning activities in the terrestrial troposphere are connected to the ionosphere and magnetosphere via TLEs. According to new findings, the general picture of the global electric circuit and lightning-related phenomena including TGFs are to be reconstructed.

**Convener: Yukihiro Takahashi (Department of Geophysics, Graduate School of Science, Tohoku University)

Lithosphere-Atmosphere-Ionosphere Coupling  E206  International session

Traditionally, studies of the ionosphere, atmosphere, hydrosphere and lithosphere have largely been independent scientific disciplines. Recently, however, this situation is changing due to such discoveries as the Earth's free oscillations and solid earth and the disturbances of ionosphere as a result of large earthquakes. In this special session, we discuss this new cross-sectoral research area.

**Convener: Masashi Kamogawa (Department of Physics, Tokyo Gakugei University)

F  (Atmospheric and Oceanic Science)          to top of this page

 Stratospheric Processes And their Role in Climate  F207

'The Stratospheric Processes And their Role in Climate (SPARC) is one of the major projects of the World Climate Research Programme (WCRP), and is characterized by its focus on chemical and dynamical coupling. In this session, we welcome presentations on various processes both in the stratosphere and troposphere.

**Convener: Masatomo Fujiwara (Faculty of Environmental Earth Science, Hokkaido University)

G  (Geology)          to top of this page

Dynamics of crustal fluids  G208

Recent models based on geological, geophysical and geochemical studies suggest ubiquitous presence of fluids along plate boundaries and continental crust. We anticipate discussions on wide-ranging topics on fluid dynamics, fluid-rock interaction, material transport and recycling, from crustal- to microscopic-scales, based on fieldworks, experiments, and numerical simulations.

**Convener: Atsushi Okamoto (Graduate School of Environmental Studies)

Geotectonic Development of Japan and the Far East Asia  G209

Nine big events in the geotectonic development of Japan and Far East Asia are discussed; e.g. the opening of Japan Sea, the Gondwanan connection, the Rodinian breakup and the origin of proto-Japan etc. Further discussed are the significances of on-going orogeny of Japan, Asian Big Triangle, hierarchy in orogenic cycle, geotectonic boundary, tectonics erosion, collision tectonics etc.

**Convener: Yukio Isozaki (Department of Earth Science and Astronomy, Multi-disciplinary Sciences - General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo)

Geochronology of seismic fault  G210
This session focuses on topics related to date of fault rocks or fault zones directly. Any approach to this issue is welcomed, including geochronology, geology and geophysics.

**Convener: 'Takahiro Tagami (Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)

H  (Hydrology・Limnology・Groundwater Hydrology)          to top of this page

The land-sea interactions: material cycles and ecosystems  H211

Global warming and deforestation have ever been affecting the land environments, whose changes probably propagate into the material cycles and ecosystems in the sea. In this session, how environmental and climate changes on land changed or will change the material cycles on land and in the sea is discussed on a variety of time scale.

**Convener: Kazuhisa Chikita (Department of Natural History Sciences, Faculty of Scinece, Hokkaido University)

I  (Physics of the Earth's Interior)          to top of this page

Dynamics and evolution of the deep Earth  I212  International session

Interdisciplinary approach can lead to a better understanding of dynamics and evolution of the deep Earth. We invite submissions of recent results in seismology, geoelectromagnetism, geochemistry, mineral physics, geodynamics and any relevant field from researchers in the globe. Integration of such results is also welcome.

**Convener: Tomoo Katsura (Institute for Study of the Earth's Interior, Okayama University)

J  (Joint/Interdisciplinary)          to top of this page

History and Philosophy of Geosciences  J231

Metascientific topics on the history, philosophy, and sociology of geosciences will be discussed in this session. Any related studies with new findings or ideas are welcome.

**Convener: Michiko Yajima (Geological Information Utilization and Promotion Initiative)

Active faults and earthquake disaster reduction  J232

Active faults are the sources of the severest and rarest earthquake hazards. Because the devastating disasters are mostly due to higher level of human activities, broad spectra of engineering, physical, social and human scienses are required for effective and feasible coutermeasures. This session gives more weight to the latter aspect and invites broader communities for open discussions.

**Convener: Toshikazu Yoshioka (Active Fault Research Center, National Institute of Advanced Industrial Science and Technology)

Advances in inversion techniques for modeling dynamic system  J233

In geosciences, approaches to know geophysical dynamics from limited observations are important. This session focuses on numerical techniques for approaching geophysical dynamics such as data assimilation techniques, which combines observations and a simulation model, and inversion techniques using high-temporal-resolution data. Propositions of new methods are also welcome.

**Convener: Shin'ya Nakano (The Institute of Statistical Mathematics)

Geoinformatics standard and management  J234

Subsurface and environmental data are currently disseminated on the WEB with downloadable form of GIS. We present and discuss the topics on the experiences and recent developments of necessary international standards, effective dissemination, advanced management on the WEB, and interoperability of geoinformation and national infrastructure of subsurface database.

**Convener: Ryoichi Kouda (National Institute of Advanced Industrial Science and Technology, Collaboration Department)

Meteorite anatomy  J235

The progress of cosmochemistry from meteorites and IDPs would be possible to consider the particularity and generality of solar system in universe during 13.7 billion years. In this session, new innovative results from different topics (inorganic, organic and theory) will be submitted. The cutting edge of science, meteorite anatomy, would be focused on the generality of solar system in universe.

**Convener: Shoichi Itoh (Department of Natural History Sciences, Hokkaido University)

Evolution of the Pelagic Realm  J236

'This session focuses on the evolution of ecosystem in the pelagic realms, including discussions on all aspects of pelagic biota covering biostratigraphy, biochronology, evolution, and biogeography, which are important to the reconstruction of the spatio-temporal framework in the pelagic realm. Biological, geochemical, sedimentological approaches to the pelagic environments are welcomed.

**Convener:  Atsushi Matsuoka (Department of Geology, Faculty of Science, Niigata University)

Ontake Volcano -Volcanic activity and Earthquake Swarm-  J237

Ontake Volcano in central Japan was erupted in 1979, 1991, and 2007. Earthquake swarm has been observed continuously on the southeast flank since 1978. The M6.8 Western Nagano Prefecture earthquake was attacked in 1984. This session focuses on earthquake occurrence and magma activity around the Ontake volcano.

**Convener:  Yoshiro Nishio (Japan Agency for Marine-Earth Science and Technology)

The I*Y(IGY+50) projects and future Japan-Africa cooperation  J238  International session

This special session aims to review the activities that have been made during the 50-years anniversary projects from the International Geophysical Year (e.g., IHY, eGY, IPY2007-2008, and IYPE), and give a forum to discuss future collaboration and projects. As an achievements of the IHY projects, international collaborations between Japanese and African scientists will be also discussed.

**Convener: Kiyohumi Yumoto (Space Environment Research Center, Kyushu University)

Luminous phenomena associated with earthquakes  J239

Luminous phenomena related with EQs have been reported all over the world since ancient Greek and Chinese eras. Although many of them are considered nowadays as natural phenomena, they have not been a subject of scientific research for a long time due to lack of scientific observation. In this session, we discuss a broad range of observations, mechanisms, and laboratory experiments on EQ lights.

**Convener: Masashi Kamogawa (Department of Physics, Tokyo Gakugei University)

Understanding the features of slab-derived fluids  J240

Fluids from subducting slabs trigger earthquakes and low frequency tremors, and return back as springs in for-arc regions and produce magmas beneath volcanic arcs. Many papers on the role of slab-fluids are presented in various sessions. This interdisciplinary session aims to promote the exchange of latest knowledge on slab-fluids and give perspectives to each participant.

**Convener: Tatsuhiko Kawamoto (Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

Kanto Asperity Project: Toward Drilling and Monitoring  J241

To reveal properties and mechanics of asperities and slow slip event regions along the Sagami trough, proposals for drilling and geophysical monitoring (the Kanto Asperity Project) have been submitted to the IODP. We call for papers about geological, geodetic, and seismological studies of the subduction along the Sagami trough, and will discuss prospects and problems of the IODP proposals.

**Convener: Reiji Kobayashi (Faculty of Science, Kagoshima University)

Coral Reefs: Life, the Earth and Human Beings  J242

Coral reefs are an ecosystem characterized by high biodiversity and active biogeochemical processes. Now coral reefs are at risk due to several stresses including human impact and global warming. Coral reefs are studied by wide range of disciplines in biological and earth sciences. In this session, latest developments in these areas will be discussed.

**Convener: Atsushi Suzuki (Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST))

Subsurface Mass Transport, Material Cycle, and Environmental  J243  International session

This session covers the topics on subsurface mass transport, water and energy cycles. Subjects related to laboratory and field measurements, theoretical analysis, and numerical modeling will be discussed. Presentations on geo-pollution, remediation, geological disposal of hazardous wastes, mass transport in vadose zone, soil-water monitoring, and environmental assessment are encouraged.

**Convener: Ken Kawamoto (Graduate School of Science and Engineering, Saitama University)

Frontiers in space sciences using small satellites  J244  International session

This session covers scientific small satellite programs under proposal, development, and operational stage in all subjects, for earth, near-earth, and planetary observation from earth orbit. It covers all subjects related to small satellite programs; mission proposal, instrument/satellite system studies, development status, international relations, and piggybacks programs including ISS.

**Convener:  Makoto Suzuki (Institute for Space and Astronautical Sciences, Japan Aerospace Exploration Agency)

Active Tectonics of Eastern Japan Sea Deformation Zone  J245

This session focuses on the genesis of the Eastern Japan Sea deformation Zone, relationship between the geological structure and seismogenic fault system, construction of fault model and other important problems in this zone. We welcome papers relevant to underground structure, crustal deformation, and active fault system based on field observation, modeling, and simulation research works.

**Convener:  Kazushige Obara (National Research Institute for Earth Science and Disaster Prevention)

Interface- and nano-phenomena on crystal growth  J246

Recent developments of nano-scale observations opened a detail discussion concerning mechanisms of crystal growth based on interface phenomena including dynamics. In this session, growth mechanisms of crystals will be discussed focusing on interface phenomena of minerals in the fields of biological origin, global environment, planets and space in addition to general minerals.

**Convener: Yuki Kimura (Hokkaido University)

Crust-air and -sea interactions in storm formation  J247  International session

Mutual interaction between geology and meteorology and between geology and ocean, possibly observed in tornado and typhoon formation are discussed. The interaction may involve hydrocarbon leakage from petroleum deposits to induce oxidation and consequent electrostatic generation in tornado formation. This session may be discussed as whole Earth Science. Hypothesis and modeling are welcome.

**Convener: Shuji Mori (Geodyne One, Inc.)

Anti-plate tectonics on the CMB  J248

In order to understand the interaction between the mantle and the core, it is necessary to perform interdisciplinary studies. In this session, we will discuss the core-mantle boundary from various perspectives.

**Convener: Shigenori Maruyama (Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

K  (Mineralogy ・Petrology)         to top of this page

Neutron scattering for earth and planetary sciences  K213

The J-PARC project gives us one of the world-strongest pulsed neutron source. Neutron scattering of minerals, magmas and ices will give us new horizons on earth and planetary sciences. Our proposal for a dedicated beamline at high pressure and high temperature has been already approved. In this session, we discuss about possible neutron application in geosciences.

**Convener: Takuo Okuchi (Institute for Study of the Earth's Interior, Okatama University)

Arc Evolution (oceanic vs continental arc)  K214  International session

This session aims to draw together cutting edge multi-disciplinary studies on oceanic (e.g., Izu-Bonin-Mariana arc) and mature arcs (e.g., Northeast Japan arc). These may discuss arc magmas, seismicity, mantle-crust structures and the processes that form them. Where do we currently stand and where should we focus our future efforts to understand the current state and evolution of arcs?

**Convener: Yoshihiko Tamura (Institute for Research on Earth Evolution, Japan Agency for Maine-Earth Science and Technology)

L  (Global environment Climate Change)          to top of this page

Carbon geosequestration(CCS) and climate control  L215

Global warming already stimulates untolerable climate casualties. The topics include the geological storage of CO2(CCS), CO2 ocean disposal and carbon sequestration potential of coral reefs, algae, forests, soil, minerals etc. CO2 monitoring, MM&V for CCS, environmental and safety assessments of greenhouse gas control technologies will also be discussed.

**Convener: Hitoshi Koide (Advanced Research Institute for Science and Engineering, Waseda University)

Climate change in the low latitude and proxy development  L216

Low latitude area has played an important role to control global environmental change as a heat engine supplying heat and moisture towards higher latitudes. Biogenic carbonates such as coral skeleton and foraminifera tests have been used for climate reconstruction. This session will discuss the retest progresses in paleoclimate studies on the low latitudes and biomineralization process.

**Convener: Atsushi Suzuki (Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST))

Collaboration between Hydrometeorology and Biogeochemistry  L217

'This session is a jointly held by two international programs, GEWEX-MAHASRI and IGBP-iLEAPS. Possible joint studies between Hydrometeorology and biogeochemistry in the Asian-Eurasia region will be discussed.

**Convener: Jun Asanuma (Terrestrial Environment Research Center, University of Tsukuba)

M  (Earth, Planetary and Space Science)          to top of this page

O  (Geophysical Exploration)          to top of this page

Airborne Survey and monitoring of the Earth  O218

The airborne survey of the Earth is effective to understand whole as well as detailed features of a structure and their variations. The airborne survey makes it possible to approach inaccessible areas and serves as a means to occupy the void between measurement on land and that by space borne. We welcome papers on techniques of measurement, data analysis, and application to the earth science.

**Convener: Toru Mogi (Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University)

P  (Planetary Sciences)          to top of this page

Q  (Quaternary Research)         to top of this page

R  (Resource Geology)          to top of this page

New development of resource geology  R219

Rare earth elements and so-called rare metals are indispensable to the industrial world. Recently the importance of ore genesis researches has increased to find new ore deposits worldwide. We widely invite presentations on the genesis of ore deposits for rare earth elements, rare metals or base metals. Works by field surveys and/or laboratory experiments are encouraged to submit.

**Convener: Ken-ichiro Hayashi (Graduate School of Life and Environmental Sciences, University of Tsukuba)

S  (Seismology)          to top of this page

 Global Collaborative Earthquake Predictability Research  S220  International session

Recent earthquake predictability studies emphasize the importance of testing forecast models. Several nations are currently operating or developing regional centers for such tests, and the findings may yield a better understanding of the models' basic features and particular physical aspects. A special focus of this session will be experiments in Japan and multi-national collaborations.

**Convener: Naoshi Hirata (Earthquake Research Institute, the University of Tokyo)

Special Project for Earthquake Disaster Mitigation in Tokyo  S221

'We invite papers which discuss information needed for seismic hazards analyses of the large urban centers; geometry of the subducting slab and studies which contribute to a new assessment of the seismic hazard are welcome.

**Convener: Naoshi Hirata (Earthquake Research Institute, the University of Tokyo)

Strong-motion observation and utilization of the records  S222

Dense strong-motion networks deployed after the 1995 Kobe event have promoted strong motion seismology, and the data from the networks have been variously utilized. In this session, we encourage contributions of recent researches on strong motion observation, data analysis, and development of a seismometer to discuss the future of strong motion observation and utilization of strong motion data.

**Convener: Haruo Horikawa (Active Fault Research Center, National Institute for Advanced Science and Technology)

T  (Earth and Planetary Tectonics and Dynamics)          to top of this page

Subduction zone processes and serpentinites  T223

This session provides interdisciplinary discussion on the role of serpentinites in the subduction zone processes. We welcome variable aspects on the subduction zone processes related to serpentinites, including seismic observation, numerical simulation, laboratory experiments and field geology.

**Convener: Ikuo Katayama (Department of Earth and Planetary Systems Science, Hiroshima University)

Stress inversion in seismology and structural geology  T224

Stress inversion is a technique to estimate the crustal stresses from focal mechanisms of earthquake and meso-scale faults at outcrops. This session aims at discussing unsolved problems about the study in both fields of geophysics and geology. We welcome presentations of technique, case study and rock experiments / numerical simulations to verify stresses estimated by the inversion.

**Convener: Kazutoshi Imanishi (National Institute of Advanced Industrial Science and Technology)

Multi-segmented great earthquakes  T225

This session aims to understand of generation mechanisms, recover space-time histories, and evaluate their sizes and recurrence cycles of multi-segment great earthquakes. We welcome the broad spectrum of topics, based on observations, laboratory experiments and numerical simulations etc. Researches on Tokai-Tonankai-Nankai earthquakes and Sumatra-Andaman great earthquake are greatly welcomed.

**Convener: Kenji Hirata (Meteorological Research Institute)

Crustal deformation in plate convergence zones  T226

In plate convergence zones, crustal deformation, such as coseismic deformation, post-seismic movement, uplift of marine terraces, geomorphic evolution, and so on, have a wide range in its time scale. Since they are strongly related with each other, in this session, we aim to integrate the knowledge of seismology, geodesy, geomorphology and geology, in order to fully understand these phenomena.

**Convener: Yukitoshi Fukahata (Disaster Prevention Research Institute, Kyoto University)

V  (Volcanology)          to top of this page 

Preparing process of caldera forming eruption and tectonics  V227

This session focuses on preparing process of caldera forming eruption and approach to forecasting. Multidisciplinary discussions such as histories of caldera forming eruptions, magma process, geotectonic movement and dynamics including calderas, structure explorations will be expected. Discussions on stillborn eruptions or eruptions after long rest time are also included.

**Convener: 'Tsuneomi Kagiyama (Graduate School of Science, Kyoto University)

W  (Glaciology)         to top of this page

X  (Geography)          to top of this page

Geoarchaeology  X228

Geoarchaeology is a science of archaeological sites,the geographical space of human heritage. This session will serve as a platform to search solutions for symbiosis between nature and developing civilization. Participants from archaeology,geography,geology, civil engineering, information technologies, economics, etc. will cooperate in the interface between archaeology and geosciences.

**Convener: Makiko Watanabe (Department of Geography, Graduage School of Urban Environmental Science, Tokyo Metropolitan University)

Y  (Disaster prevention ・Application earth science)          to top of this page

Landslide dams and lakes: from their birth, development to d  Y229

Part of the landslide dams collapse and result in natural disasters downstream, and others continue to survive in stable condition; the factors controlling the conditions should be clarified. Although many landslide dammed lakes and their sediments are preserved, their formation, development and demise are not known in most cases. We focus these problems in this session.

**Convener: Satoru Kojima (Department of Civil Engineering, Gifu University)

Earthquake Early Warning: for further development  Y230

Earthquake Early Warning (EEW) started nationwide in Japan in August 2006 for the limited online users, and in October 2008 for general users. Several problems are pointed out through the actual operation, as were expected. In this session, we will discuss on the technical development of EEW and its application for disaster mitigation.

**Convener: Mitsuyuki Hoshiba (Meteorological Research Institute)

Z  (Others)          to top of this page