DIVA-GIS&Climate Data

Robert J. Hijmans

International Rice Research Institute, Los Baños, 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

Geo-Cluster

Model Species Distribution

KnownDistribution

Modeled:Current climate

Modeled:Future climate

www.diva-gis.org - program, manual, and data

Climate Data

‘Current’ climate

CRU-TSWorldClim

Future climate

Estimates of current (past) climate

Precipitation (mm)

Temperature (°C)

Temperature change during the 20th century

ºC / year

CRU-TS

Temperature change during 1985-2002

ºC / year

Future climate: GCMs

David Viner, CRU

Different models: HADCM, ECHAM, CCCMA, CSRIO

Different scenarios ISO92, IPCC SRES

Spatial resolution

Future climate: GCMs

Different models, different results

CCMa

ECHAM GFDL

HADCM

Change in mean annual temperature (°C) SRES A2

Emission scenarios

HadCMmodel

Change in mean annual temperature (°C)

A2a

B2a

Duffy et al. LLNL

Statistical downscaling, “delta method”Temperature change

Downscaled& calibratedfuture climate

Current climate

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/