6. Next step: Open-boundaries
• On-line fuzzy matching of names and
polygons
• On-line editing of names and polygons
• Time series
• Linked to databases of geographic names
7. WorldClim http://www.worldclim.org
Working on version 2
• Many more weather stations
• More variables
• Improved interpolation
• Climate change scenarios
• ETA (beta): January 2010
11. R software
• Integrates statistics, graphics, databases,
geospatial, …
• Open source, easy to contribute to (‘packages’)
• Command line, sometimes complicated
• Scripts – can be automated, repeatable, verifiable
12. IRRI R packages http://r-forge.r-project.org/
Raster
• All raster operations (overlay, neighborhood, projection, ….)
• Handles very large databases
RemoteSensing
• Radiometric calibration
• Vegetation indices
• Modis, Landsat
gDistance
• Advanced distance measures (e.g. resistance distance)
• Sparse matrix based
geodata
• Download: gadm, srtm, worldclim, …
cropsim
• Crop and disease simulation models
13. DIVA-GIS
• A very popular, free and easy-to-use GIS
• New version in May/June
http://www.diva-gis.org
• Integration with R
23. Climate change effect on poverty
Yield change
(+2ºC)
Poverty line (US $ PPP)
0
0 5 10 15 20 25
(1000 million US $ PPP)
Cost to the poor
-1
t / ha
-2
-3