Held and Suarez (1994) experiments

1. Overview
2. References
3. Results
4. Old results
5. Acknowledgement

Overview

A benchmark calculation proposed by Held and Suarez(1994). This test evaluates the dynamical core of DCPAM.

References

• Held, I. M., and Suarez, M. J., 1994: A proposal for the intercomparison of the dynamical cores of atmospheric general circuation models. Bull. Am. Meteor. Soc., 75 , 1825--1830.

Results

Note that results are written in JAPANESE.

Under construction

Integral time: Time step: Time integration method: Resolution: System: Compiler

• 1200 days: 6 min: Explicit: T42L20: NEC SX-8: FORTRAN90/SX
• 1200 days: 6 min: Semi-Implicit: T42L20: NEC SX-8: FORTRAN90/SX
• 1200 days: 30 min: Semi-Implicit: T42L20: NEC SX-8: FORTRAN90/SX

Results of AGCM5 for reference

Integral time: Time step: Time integration method: Resolution: System: Compiler

• 1200 days: 20 min: Semi-Implicit: T42L20: NEC SX-8: FORTRAN90/SX
  • Extra:
    • Effect of Held and Suarez (1994) is given to values on step t+\Delta t as adjustment
    • Angular velocity is double

Old results

Experiments with "dcpam2"

Note that results are written in JAPANESE.

Integral time: Resolution: Initial Temperature: System: Compiler

• 1200 days: T63L20: 250K: NEC SX-6: FORTRAN90/SX
• 1200 days: T63L20: 300K: NEC SX-6: FORTRAN90/SX
• 1200 days: T42L20: 300K: NEC SX-6: FORTRAN90/SX
• 1200 days: T21L20: 300K: NEC SX-6: FORTRAN90/SX
• 1250 days: T42L20: 300K: Linux i686: Fujitsu Fortran ver 5

Acknowledgement

• Acknowledgement

dcmodel Development Group / GFD Dennou Staff
Last Updated: 2007/12/10, Since: 2005/03/16