ANU's Mike Hutchinson presentation on ANU Climate at EcoTas13 in November 2013.

1. ANUClimate
A NEW approach to interpolating our national network
0.01 degree climate surfaces
Professor Mike Hutchinson (ANU)

2. Climate data sets (1 km)
Tmin
Tmax
vp
P
daily
✔
1970-2011
✔
✔
✔
monthly
✔
1970-2011
✔
✔
✔
✔
mean
monthly
pan
evap.
wet
days
✔
✔
✔
✔
✔
✔
solar
rad.
wind
speed
✔
✔

3. ANUClimate
When? Delivery timeline…
Complete set of Climate and
Bioclimatic data available on
RDSI
RDSI opendap netCDF CF
& Metadata store complete
= public release
Data starts propagating
to RDSI*
ADVANCED USER ACCESS
DOI’s NOT YET AVAILABLE = NO PUBLISH
30 Nov 2013
24 Dec 2013
31 Jan 2013
*Currently experiencing delays in RDSI allocation – delays in the Raijin cloud roll out etc…

4. ANUClimate
What can we expect?
• Temperature estimates improved by around
25% compared to Jones et al. 2009 (RMSE
cross validation)
• Precipitation estimates a modest, but
significant, improvement (7-15% RMSE cross
validation)
The model makes no further improvement on
accuracy beyond the 1km mark !

5. ANUClimate
What is different?
• Improved ‘background-anomaly-interpolation’
approach
•
•
•
Temperature and both positive and zero rainfall
can be effectively interpolated by the thin plate
splines method - with adaptive capacity !
Monthly means, topographically corrected yield
influence of atmospheric processes and terrain
Significant improvement over both direct (nonanomaly) and current anomaly approach
• Coastal smarts : A new ‘proximity to coast’
modifier captures marine perturbation

6. ANUClimate
How is it done?

7. AMOS 2014

8. Bioclimate data sets (1 km T, P and R)