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|a Technical Summary |h [electronic resource]. |
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|a Cambridge, United Kingdom ; |a New York, NY : |b Cambridge University Press, |c 2007. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a In the six years since the IPCC’s Third Assessment
Report (TAR), signifi cant progress has been made in
understanding past and recent climate change and in
projecting future changes. These advances have arisen
from large amounts of new data, more sophisticated
analyses of data, improvements in the understanding
and simulation of physical processes in climate models
and more extensive exploration of uncertainty ranges
in model results. The increased confi dence in climate
science provided by these developments is evident in
this Working Group I contribution to the IPCC’s Fourth
Assessment Report.
While this report provides new and important policyrelevant
information on the scientifi c understanding of
climate change, the complexity of the climate system
and the multiple interactions that determine its behaviour
impose limitations on our ability to understand fully the
future course of Earth’s global climate. There is still an
incomplete physical understanding of many components
of the climate system and their role in climate change.
Key uncertainties include aspects of the roles played by
clouds, the cryosphere, the oceans, land use and couplings
between climate and biogeochemical cycles. The areas of
science covered in this report continue to undergo rapid
progress and it should be recognised that the present
assessment refl ects scientifi c understanding based on the
peer-reviewed literature available in mid-2006.
The key fi ndings of the IPCC Working Group I
assessment are presented in the Summary for
Policymakers. This Technical Summary provides a more
detailed overview of the scientifi c basis for those fi ndings
and provides a road map to the chapters of the underlying
report. It focuses on key fi ndings, highlighting what
is new since the TAR. The structure of the Technical
Summary is as follows:
• Section 2: an overview of current scientifi c
understanding of the natural and anthropogenic drivers
of changes in climate;
• Section 3: an overview of observed changes in the
climate system (including the atmosphere, oceans
and cryosphere) and their relationships to physical
processes;
• Section 4: an overview of explanations of observed
climate changes based on climate models and physical
understanding, the extent to which climate change can
be attributed to specifi c causes and a new evaluation of
climate sensitivity to greenhouse gas increases;
• Section 5: an overview of projections for both nearand
far-term climate changes including the time scales
of responses to changes in forcing, and probabilistic
information about future climate change; and
• Section 6: a summary of the most robust fi ndings
and the key uncertainties in current understanding of
physical climate change science.
Each paragraph in the Technical Summary reporting
substantive results is followed by a reference in curly
brackets to the corresponding chapter section(s) of the
underlying report where the detailed assessment of the
scientifi c literature and additional information can be
found |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Venkatachalam Ramaswamy. |
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|a Kansri Boonpragob. |4 edt |
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|a Filippo Giorgi. |4 edt |
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|a Bubu Pateh Jallow. |4 edt |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042590/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/04/25/90/00001/Solomon et al_2007_Technical summarythm.jpg |
