wiki:GATropicsDevelopment

Analysis of GA6

(Abhik Santra, Christian Jakob, Hongyan Zhu, Harry Hendon, Matthew Wheeler and Jing-Jia Luo)

In this section, the standard diagnostics are applied to GA6 output to identify the model biases in simulating the tropical climate during DJF and JJA seasons.

Experimental Design

ModelResolution
(grid points)
Vertical
Resolution
Start DateSST &
Sea ice
Period
UM8.6N96
(192x145)
85 levels1 September
1995
Observed monthly
(AMIP)
1996-2010
(15 years)
UM8.6N216
(432x325)
85 levels Observed monthly
(AMIP)
1996-2010
(15 years)

Observed Dataset

The following dataset are used to evaluate the performance of the model and to identify the model biases.

DatasetVariablesHorizontal ResolutionVertical
Resolution
Period
GPCPRainfall1 degree x 1 degree - 1997-2010
AVHRROutgoing Longwave
Radiation (TOA)
2.5 degree x 2.5 degree - 1996-2010
ERA-interim
(ERAI)
u,v,T,q,relative humidityT255(~80 km)60 levels1996-2010

Level 1 Diagnostics

1) Seasonal Mean Precipitation

DJF JJA

2) Seasonal Mean Outgoing Longwave Radiation at TOA

DJF JJA

3) Seasonal Mean Zonal Wind at 850 hPa

DJF JJA

4) Seasonal Mean Zonal Wind at 200 hPa

DJF JJA

5) Seasonal Mean Velocity Potential and Divergent Wind at 200 hPa

DJF JJA

6) Seasonal Mean Zonal Wind Profile

DJF JJA

7) Seasonal Mean Temperature Profile

DJF JJA

8) Seasonal Mean Specific Humidity Profile

DJF JJA

9) Seasonal Mean Relative Humidity Profile

DJF JJA

Single Column Model (SCM) Experiments

The experiment results are here

Suggestions

Any advice would be most welcome.
Please write your comments here

Acknowledgements

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Last modified 5 years ago Last modified on Dec 11, 2015 2:32:26 PM

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