julian r - the ccafs analogues tool (crop-smart breeding workshop, addis ababa, ethiopia)
DESCRIPTION
Basic 10-min nutshell type description of the CCAFS analogues concept and toolTRANSCRIPT
The CCAFS analogue tool: a glimpse of the future, today
Adaptation to progressive climate change
The tool: Which questions can we answer?
• Where can I find my site in the future?• Where can I find a place that currently
looks like how my site would be in the future?• Where can I find similar areas to my
site currently or in the future?
The tool: Which questions can we answer?
• Where can I find my site in the future?• Where can I find a place that currently
looks like how my site would be in the future?• Where can I find similar areas to my
site currently or in the future?
How do we calculate dissimilarity?
• The CCAFS measure: a modified version of the Euclidean distance
• Hallegatte et al. (2007): a rule based dissimilarity measure–Annual mean in rainfall–Seasonal difference in rainfall–Seasonal difference in temperature
How do we calculate dissimilarity?
• Accounting for lagSite A (southern) Site B (northern)
What do you need?Set up: just download and install
• R >= 2.13.0 (http://www.r-project.org), and packages:– raster, sp, rgdal, maps, spgrass6, stringr, maptools,
foreign, lattice, akima, grid, plotrix, rimage, XML• GRASS GIS >= 6.4 (http://grass.fbk.eu/)• Quantum GIS >= 1.6 (http://www.qgis.org/)
http://gismap.ciat.cgiar.org/analogues
Analysing technology transfer
Looking at networks of research sites
• Climatic analogies between CCAFS benchmark sites
Important!
• Could we relate our dissimilarity index with growth parameters and yields?
• Varietal targeting and selection of testing sites?
• Coupling with crop models for evaluation and adaptation-strategy testing?
• Cropland expansion/optimisation/migration?