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Transcript
Innovative Program of Climate Change
Projection for the 21st century
(KAKUSHIN Program)
Secretariat of the Research Coordination Committee of the Program
Frontier Research Center for Global Change
Japan Agency for Marine-Earth Science and Technology
Background of national strategy :
3rd phase (FY2006-FY2010) of
the Science and Technology Basic Plan
 3rd phase was launched (in April 2006) by the Cabinet
 The same 4 fields were prioritized again for promotion
as in the 2nd phase besides basic sciences:
- Life science;
- Information and Communications;
- Environment; and
- Nanotechnology:
 National core technology studies/projects were also
identified for overarching or cross-cutting themes.
Areas further prioritized in Environment
Promotional prioritization was formulated by
the Council for Science and Technology Policy (CSTP)*:
 Climate change research (including climate change




mitigation technology),
Chemical substance risk and security management
research,
Water/material cycle and watershed, ecosystem management
research,
3R (reduce, reuse and recycle) technology research,
Biomass usage and utilization research
------------------------------------------------------* established within the Cabinet Office in 2001, chaired by the Prime Minister,
with members of 6 Ministers concerned and 8 Experts
Climate Change Research
categorized into:
• P1: Integrated monitoring studies on global warming
• P2: Climate change process studies
• P3: Future projection of global warming and building of
data base from climate change research outcomes
• P4: Studies on global warming impact, risk assessment,
and adaptation measures
• P5: Studies on global scale water cycle variabilities
• P6: Studies on mitigation policies
Reliable climate change projection and impact assessment
with better managed global Earth observation
Emerging Backgrounds from the IPCC/ AR4 outcomes
 “Warming of the climate system is unequivocal, ….”
 “Most of the observed increase in globally averaged temperatures
since the mid-20th century is very likely due to the observed increase in
anthropogenic greenhouse gas concentrations12.”
12
Consideration of remaining uncertainty is based on current methodologies.
 “Cloud feedbacks remain the largest source of uncertainty.”
 “Assessed upper ranges for temperature projections are larger than in
the TAR (see Table SPM-2) mainly because the broader range of models
now available suggests stronger climate-carbon cycle feed backs.”
 “It is very likely that hot extremes, heat waves, and heavy precipitation
events will continue to become more frequent.”
・・・・・・・・・・・・・
Strong concerns about global warming and its impacts
on natural disasters, in particular, from policy makers
Increasing need of further reliable projection
Research needs and issues to be addressed
 Better simulation of physical and biogeochemical
processes sufficiently reflecting feedbacks
Advancing climate modeling and projection
 Addressing uncertainties in climate model projection
Quantification and reduction of uncertainty
 Impact assessment on natural disasters by extreme
events through sufficiently high resolution projection
Application of regional projection to natural
disasters
Program Theme (A)
Advancing climate modeling and projection
 Developing more reliable and higher resolution climate models,
through the sophisticated incorporation of physical and biogeochemical
processes in the atmosphere, ocean and land surface, covering wider
ranges from global to local urban scales.
 Further reliable climate change projection (or prediction) for
the 21st century, with a specific focus on extreme events
such as heat waves, severe storms, tropical cyclones, storm
surges, etc. in the near future (about 25 years ahead)
 Projection to be regionally detail enough for relevantly
applicable to impact assessment and adaptation studies.
 Projection of global environment change including carbon
cycle feedback
Program Theme (B)
Quantification and reduction of uncertainty
 Inter-comparison of climate models in their
performance in terms of incorporated processes.
 Quantification of uncertainty among models through
ensemble methodologies.
 Data assimilation to be further improved for validation.
 Comprehensive study for the reduction of uncertainty
in projection.
Program Theme (C)
Impact assessment on natural disasters
 Analysis of the frequency and the strength of projected
(or predicted) extreme events (tropical cyclones, heat
 waves, severe rainfalls, droughts, etc.) in the 21st
century with special attention to near future (~25 years
 ahead)
 Impact assessment study on natural disasters due to
extreme events to contribute to natural disaster
reduction policies
Program plan
 A 5-year initiative (FY 2007-2011) by the MEXT (Ministry
of Education, Culture, Sports, Science and Technology )
launched in April 2007
 The Program is to follow-up and develop the “Kyo-sei”
Project (FY 2002-2006)
 The Earth Simulator (to be updated) be further
utilized.
 The Program intends to contribute to the possible
AR5.
Program structure
Advancing
Climate Modeling
and
Projection
Coordination
Comprehensive
Impact Assessment
Projects by Ministry
of Environment
(MOE)
Impact assessment
on natural disasters
Quantification and
Reduction of Uncertainty
Participating groups and their studies
 Long-term global environmental projection
with an earth system model
- Frontier Research Center for Global Change (FRCGC) et. al
 Near-term climate prediction
with a high-resolution coupled ocean-atmosphere GCM
- Center for Climate System Research (CCSR) of the University of Tokyo
et. al
 Projection of changes in extremes in the future
with very-high resolution atmospheric models
- Meteorological Research Institute (MRI)
et. al