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README
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The Hutchinson Drought Index
The Hutchinson Drought Index (or Drought Severity Index) is a climatic drought index
that was designed to reflect agricultural droughts using only rainfall data.
The index was invented by Professor Mike Hutchinson at the ANU in 1992 and
this project includes R codes written by Ivan Hanigan to describe the calculations
and also to download data to play with.
Casual readers will probably want to go straight to
~/reports/HutchinsonDroughtIndex_transformations_doc.pdf
Readers wishing to reproduce the data analysis can do so by running the 'go.r' script
(see the Specification.txt file for explanations of the structure of the code).
Copyright is the GNU General Public License version 2 WITHOUT ANY WARRANTY,
Ivan C Hanigan <[email protected]> and Michael F Hutchinson.
Please cite the original 1992 paper as well as this web repository as:
1. Smith, D. I, Hutchinson, M. F, & McArthur, R. J. (1992) Climatic and
Agricultural Drought: Payments and Policy. (Centre for Resource and Environmental
Studies, Australian National University, Canberra, Australia).
http://fennerschool-research.anu.edu.au/spatio-temporal/publications/cres_paper1992.pdf
2. Hanigan, IC. 2012. The Hutchinson Drought Index Algorithm [Computer Software].
https://github.com/ivanhanigan/HutchinsonDroughtIndex
Financial support was provided by Professor Tony McMichael's
"Australia Fellowship" from the the National Health and Medical Research Council, via the
National Centre for Epidemiology and Population Health, Australian National University.
The citations for the datasets used in this demonstration are:
1. Bureau of Meteorology High Quality Monthly precipitation data
downloaded on 2012-01-09
from ftp://ftp.bom.gov.au/anon/home/ncc/www/change/HQmonthlyR/HQ_monthly_prcp_txt.tar
2. Australian Bureau of Statistics Statistical Divisions 2006
downloaded on 2012-01-09
from http://www.abs.gov.au/AUSSTATS/[email protected]/DetailsPage/1259.0.30.0022006?OpenDocument
Ivan Hanigan
2012-02-24
Hacked by Steve
2013-11-19