diva-gis & climate data robert j. hijmans international rice research institute,
DESCRIPTION
DIVA-GIS & Climate Data Robert J. Hijmans International Rice Research Institute, Los Ba ños, Philippines. DIVA-GIS Biodiversity Free Simple to use Demand driven development Version 5.2 http://www.diva-gis.org. Data exploration. Patterns of diversity and turnover. - PowerPoint PPT PresentationTRANSCRIPT
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DIVA-GIS&Climate Data
Robert J. Hijmans
International Rice Research Institute, Los Baños, Philippines
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DIVA-GIS
• Biodiversity • Free• Simple to use• Demand driven development• Version 5.2
http://www.diva-gis.org
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Data exploration
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Patterns of diversity and turnover
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Geo-Cluster
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Model Species Distribution
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KnownDistribution
Modeled:Current climate
Modeled:Future climate
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www.diva-gis.org - program, manual, and data
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Climate Data
‘Current’ climate
CRU-TSWorldClim
Future climate
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Estimates of current (past) climate
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Precipitation (mm)
Temperature (°C)
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Temperature change during the 20th century
ºC / year
CRU-TS
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Temperature change during 1985-2002
ºC / year
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Future climate: GCMs
David Viner, CRU
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Different models: HADCM, ECHAM, CCCMA, CSRIO
Different scenarios ISO92, IPCC SRES
Spatial resolution
Future climate: GCMs
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Different models, different results
CCMa
ECHAM GFDL
HADCM
Change in mean annual temperature (°C) SRES A2
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Emission scenarios
HadCMmodel
Change in mean annual temperature (°C)
A2a
B2a
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Duffy et al. LLNL
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Statistical downscaling, “delta method”Temperature change
Downscaled& calibratedfuture climate
Current climate
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Other climate data tools:
•Climate Data Analysis Tools (CDAT)
•Educational GCM (EdGCM)
•Also have a look at the IPCC website•IPCC Data Distribution Centre
http://www.worldclim.org/