Griffith University

Lecturer, Griffith School of Environment, Griffith University

Contact Details for Dr Roger Cropp

Research Expertise

• Modelling ecosystems and how they change
• Modelling biogeochemical linkages in earth systems
• Modelling marine plankton systems.
• Sensitivity analysis of complex models
• Applications of satellite data to ecosystem modelling.

Selected Publications

• Whitcombe, J.M., R.A. Cropp, R.D. Braddock and I.E. Agronovski. 2005. The use of sensitivity analysis and genetic algorithms for the management of catalyst emissions from oil refineries. Mathematical and Computer Modelling. (in press).
• Zhang, S., J. Zhang, F. Li, and R.A. Cropp. 2005. Vector analysis theory on landscape pattern (VATLP). Ecological Modelling 193: 492-502.
• Cropp, R.A., A.J. Gabric, G.H. McTainsh, R.D. Braddock and N.W. Tindale. 2005. Coupling between ocean biota and atmospheric aerosols: dust, DMS or artefact? Global Biogeochemical Cycles. Vol 19, GB4002, doi:10.1029/2004GB002436.
• Mullins, B.J., R.D. Braddock, I.E. Agranovski, R.A. Cropp and R.A. O???Leary. 2005. Observation and modelling of clamshell droplets on vertical fibres subjected to gravitational and drag forces. Journal of Colloid and Interface Science 284: 245-254.
• Cropp, R.A., J. Norbury, A.J. Gabric and R.D. Braddock. 2004. Modelling the production of dimethylsulphide by upper-ocean ecosystems. Global Biogeochemical Cycles Vol 18, GB3008, 10.1029/2003GB002126, 2004.
• Gabric, A.J., R. Simo, R.A. Cropp, T. Hirst and J. Dachs. 2004. Global estimates of the oceanic emission of dimethylsulfide under enhanced greenhouse conditions. Global Biogeochemical Cycles, Vol. 18, No. 2, GB2014, 10.1029/2003GB002183, 05 June 2004.
• Kristensen, N.P., A.J. Gabric, R.D. Braddock and R.A. Cropp. 2003. Is maximising resilience compatible with established goal functions? Ecological Modelling. 169 (1): 61-71.
• Gabric, A.J., R.A. Cropp, T. Hirst and H. Marchant. 2003. The response of dimethylsulphide production to simulated warming in the eastern Antarctic Southern Ocean. Tellus. 55B: 966-981.
• Whitcombe, J.M., R.A. Cropp, R.D. Braddock and I.E. Agranovski. 2003. Application of sensitivity analysis to oil refinery emissions. Reliability Engineering and System Safety, 79:19-224.
• Cropp, R.A. and R.D. Braddock. 2002. The New Morris Method: an efficient second-order screening method. Reliability Engineering and System Safety. 78(1): 77-83.
• Cropp, R.A. and A.J. Gabric. 2002. Ecosystem adaptation: do ecosystems maximise resilience? Ecology 83(7): 2019-2026.
  
• Gabric, A.J., R.A. Cropp, G.P. Ayers, G.H. McTainsch and R.D. Braddock. 2002. Coupling between cycles of phytoplankton biomass and aerosol optical depth as derived from SeaWiFS time series in the Subantarctic Southern Ocean. Geophysical Research Letters 29(7): 16:1-4.
  
• Gabric, A.J., P.H. Whetton and R.A. Cropp. 2001. Dimethylsulphide production in the subantarctic southern ocean under enhanced greenhouse conditions. Tellus 53B: 273-287.