Roger Allan Cropp

Parameterizing plankton functional type models: insights from a dynamical systems perspective (2009)

Cropp, Roger Allan, Norbury, John

The spectre of anthropogenic global climate change has focused attention on biogeochemical cycling in the oceans as marine plankton ecosystems are involved in the cycling of several compounds thought...

Parameterizing plankton functional type models: insights from a dynamical systems perspective (2009)

Cropp, Roger Allan, Norbury, John

The spectre of anthropogenic global climate change has focused attention on biogeochemical cycling in the oceans as marine plankton ecosystems are involved in the cycling of several compounds thought...

Factors Determining The Vertical Profile Of Dimethylsulfide In The Sargasso Sea During Summer. (2008)

Gabric, Albert Jerome, Matrai, P. A., Kiene, R.P., Cropp, Roger Allan, Dacey, J.W.H., DiTullio, G.R., ...

The major source of reduced sulfur in the remote marine atmosphere is the biogenic compound dimethylsulfide (DMS), which is ubiquitous in the world's oceans and released through food web...

Factors Determining The Vertical Profile Of Dimethylsulfide In The Sargasso Sea During Summer. (2008)

Gabric, Albert Jerome, Matrai, P. A., Kiene, R.P., Cropp, Roger Allan, Dacey, J.W.H., DiTullio, G.R., ...

The major source of reduced sulfur in the remote marine atmosphere is the biogenic compound dimethylsulfide (DMS), which is ubiquitous in the world's oceans and released through food web...

Factors Determining The Vertical Profile Of Dimethylsulfide In The Sargasso Sea During Summer. (2008)

Gabric, Albert Jerome, Matrai, P. A., Kiene, R.P., Cropp, Roger Allan, Dacey, J.W.H., DiTullio, G.R., ...

The major source of reduced sulfur in the remote marine atmosphere is the biogenic compound dimethylsulfide (DMS), which is ubiquitous in the world's oceans and released through food web...

Investigations into a plankton population model: Mortality and its importance in climate change scenarios. (2007)

Cropp, Roger Allan, Norbury, John

The potential for marine plankton ecosystems to influence climate by the production of dimethylsulphide (DMS) has been an important topic of recent research into climate change. Several General...

Using a catchment contour approach for simulation of ground and surface water behaviour within agent based modelling platforms. (2007)

Carlin, G.D., Cook, F., Cropp, Roger Allan, Harcher, M., Smajgl, A., Hechbert, S., ...

Agent based modelling (ABM) environments are becoming increasingly popular for investigating the effects of land use change. The ABM environment enables models to be developed that simulate...

The peatland / ice age hypothesis revised, adding a possible glacial pulse trigger. (2007)

Franzen, Lars G., Cropp, Roger Allan

Carbon sequestering in peatlands is believed to be a major climate-regulating mechanism throughout the late Phanerozoic. Since plant life first evolved on land, peatlands have been significant carbon...

Plankton modelling and CLAW. (2007)

Cropp, Roger Allan, Norbury, John

The prospect of human-induced climate change provides a compelling imperative for an improved understanding of living systems, especially those involving ocean plankton that are proposed to have an...

Using a catchment contour approach for simulation of ground and surface water behaviour within agent based modelling platforms. (2007)

Carlin, G.D., Cook, F., Cropp, Roger Allan, Harcher, M., Smajgl, A., Hechbert, S., ...

Agent based modelling (ABM) environments are becoming increasingly popular for investigating the effects of land use change. The ABM environment enables models to be developed that simulate...

The peatland / ice age hypothesis revised, adding a possible glacial pulse trigger. (2007)

Franzen, Lars G., Cropp, Roger Allan

Carbon sequestering in peatlands is believed to be a major climate-regulating mechanism throughout the late Phanerozoic. Since plant life first evolved on land, peatlands have been significant carbon...

Plankton modelling and CLAW. (2007)

Cropp, Roger Allan, Norbury, John

The prospect of human-induced climate change provides a compelling imperative for an improved understanding of living systems, especially those involving ocean plankton that are proposed to have an...

Investigations into a plankton population model: Mortality and its importance in climate change scenarios. (2007)

Cropp, Roger Allan, Norbury, John

The potential for marine plankton ecosystems to influence climate by the production of dimethylsulphide (DMS) has been an important topic of recent research into climate change. Several General...

Investigations into a plankton population model: Mortality and its importance in climate change scenarios. (2007)

Cropp, Roger Allan, Norbury, John

The potential for marine plankton ecosystems to influence climate by the production of dimethylsulphide (DMS) has been an important topic of recent research into climate change. Several General...

Dimethylsulphide, clouds and phytoplankton: Insights from a simple plankton ecosystem feedback model. (2007)

Cropp, Roger Allan, Norbury, John, Braddock, Roger David

The hypothesis that marine plankton ecosystems may effectively regulate climate by the production of dimethylsulphide (DMS) has attracted substantial research effort over recent years. This...

Using a catchment contour approach for simulation of ground and surface water behaviour within agent based modelling platforms. (2007)

Carlin, G.D., Cook, F., Cropp, Roger Allan, Harcher, M., Smajgl, A., Hechbert, S., ...

Agent based modelling (ABM) environments are becoming increasingly popular for investigating the effects of land use change. The ABM environment enables models to be developed that simulate...

The peatland / ice age hypothesis revised, adding a possible glacial pulse trigger. (2007)

Franzen, Lars G., Cropp, Roger Allan

Carbon sequestering in peatlands is believed to be a major climate-regulating mechanism throughout the late Phanerozoic. Since plant life first evolved on land, peatlands have been significant carbon...

Plankton modelling and CLAW. (2007)

Cropp, Roger Allan, Norbury, John

The prospect of human-induced climate change provides a compelling imperative for an improved understanding of living systems, especially those involving ocean plankton that are proposed to have an...

The use of sensitivity analysis and genetic algorithms for the management of catalyst emissions from oil refineries. (2006)

Whitcombe, Joshua Matthew, Cropp, Roger Allan, Braddock, Roger David, Agranovski, Igor E

Excessive catalyst emissions from Fluidized Catalytic Cracking Units (FCCU) during start-up situations are common, and have been deemed 'normal', with little research conducted on determining their...

Observation and modelling of barrel droplets on vertical fibres subjected to gravitational and drag forces (2006)

Mullins, Benjamin J., Braddock, Roger David, Agranovski, Igor E, Cropp, Roger Allan

Extensive experimental investigation of the wetting processes of fibre/liquid systems during air filtration (when drag and gravitational forces are acting) has shown many important features,...

Observation and modelling of clamshell droplets on vertical fibres, subjected to gravitational and drag forces (2005)

Mullins, Benjamin James, Braddock, Roger David, Agranovski, Igor E, Cropp, Roger Allan, O'Leary, Rebecca A.

Extensive experimental investigation of the wetting processes of fibre liquid systems during air filtration (when drag and gravitational forces are acting) has shown many important features,...

Coupling between ocean biota and atmospheric aerosols: Dust, dimethylsulphide, or artIfact? (2005)

Cropp, Roger Allan, Gabric, Albert Jerome, McTainsh, Grant Harvey, Braddock, Roger David, Tindale, Neil, Mheinrat Andreae

Two hypotheses that postulate interactions between ocean biota and aerosols in the atmosphere have generated substantial research into marine systems. The stimulation of phytoplankton photosynthesis...

Observation and modelling of clamshell droplets on vertical fibres, subjected to gravitational and drag forces (2005)

Mullins, Benjamin James, Braddock, Roger David, Agranovski, Igor E, Cropp, Roger Allan, O'Leary, Rebecca A.

Extensive experimental investigation of the wetting processes of fibre liquid systems during air filtration (when drag and gravitational forces are acting) has shown many important features,...

Coupling between ocean biota and atmospheric aerosols: Dust, dimethylsulphide, or artIfact? (2005)

Cropp, Roger Allan, Gabric, Albert Jerome, McTainsh, Grant Harvey, Braddock, Roger David, Tindale, Neil

Two hypotheses that postulate interactions between ocean biota and aerosols in the atmosphere have generated substantial research into marine systems. The stimulation of phytoplankton photosynthesis...

Observation and modelling of clamshell droplets on vertical fibres, subjected to gravitational and drag forces (2005)

Mullins, Benjamin James, Braddock, Roger David, Agranovski, Igor E, Cropp, Roger Allan, O'Leary, Rebecca A.

Extensive experimental investigation of the wetting processes of fibre liquid systems during air filtration (when drag and gravitational forces are acting) has shown many important features,...

Coupling between ocean biota and atmospheric aerosols: Dust, dimethylsulphide, or artIfact? (2005)

Cropp, Roger Allan, Gabric, Albert Jerome, McTainsh, Grant Harvey, Braddock, Roger David, Tindale, Neil

Two hypotheses that postulate interactions between ocean biota and aerosols in the atmosphere have generated substantial research into marine systems. The stimulation of phytoplankton photosynthesis...

Observation and modelling of clamshell droplets on vertical fibres, subjected to gravitational and drag forces (2005)

Mullins, Benjamin James, Braddock, Roger David, Agranovski, Igor E, Cropp, Roger Allan, O'Leary, Rebecca A.

Extensive experimental investigation of the wetting processes of fibre–liquid systems during air filtration (when drag and gravitational forces are acting) has shown many important features,...

Coupling between ocean biota and atmospheric aerosols: Dust, dimethylsulphide, or artIfact? (2005)

Cropp, Roger Allan, Gabric, Albert Jerome, McTainsh, Grant Harvey, Braddock, Roger David, Tindale, Neil

Two hypotheses that postulate interactions between ocean biota and aerosols in the atmosphere have generated substantial research into marine systems. The stimulation of phytoplankton photosynthesis...

Modeling dimethylsulphide production in the upper ocean. (2004)

Cropp, Roger Allan, Norbury, John, Gabric, Albert Jerome, Braddock, Roger David

Dimethylsulphide (DMS) is produced by upper ocean ecosystems and emitted to the atmosphere, where it may have an important role in climate regulation. Several attempts to quantify the role of DMS in...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

Application of sensitivity analysis to oil refinery emissions (2003)

Whitcombe, Joshua Matthew, Cropp, Roger Allan, Braddock, Roger David, Agranovski, Igor E, G. E. Apostolakis

Catalyst emissions from fluidising catalytic cracking units have the potential to impact significantly on the environmental compliance of oil refineries. Traditionally it has been assumed that gas...

The sensitivity of dimethyl sulfide production to simulated climate change in the Eastern Antarctic Southern Ocean (2003)

Gabric, Albert Jerome, Cropp, Roger Allan, HIRST, TONY, MARCHANT, HARVEY, H Rodhe

Dimethyl sulfide (DMS) is a radiatively active trace gas produced by enzymatic cleavage of its precursor compound, dimethyl sulfoniopropionate (DMSP), which is released by marine phytoplankton in the...

Is maximising resilience compatible with established ecological goal functions? (2003)

Kristensen, Nadiah Pardede, Gabric, Albert Jerome, Braddock, Roger David, Cropp, Roger Allan, S E Joergensen

Cropp and Gabric [Ecosystem adaptation: do ecosystems maximise resilience? Ecology. In press] used a simple phytoplankton zooplankton nutrient model and a genetic algorithm to determine the parameter...

Application of sensitivity analysis to oil refinery emissions (2003)

Whitcombe, Joshua Matthew, Cropp, Roger Allan, Braddock, Roger David, Agranovski, Igor E

Catalyst emissions from fluidising catalytic cracking units have the potential to impact significantly on the environmental compliance of oil refineries. Traditionally it has been assumed that gas...

The sensitivity of dimethyl sulfide production to simulated climate change in the Eastern Antarctic Southern Ocean (2003)

Gabric, Albert Jerome, Cropp, Roger Allan, HIRST, TONY, MARCHANT, HARVEY

Dimethyl sulfide (DMS) is a radiatively active trace gas produced by enzymatic cleavage of its precursor compound, dimethyl sulfoniopropionate (DMSP), which is released by marine phytoplankton in the...

Is maximising resilience compatible with established ecological goal functions? (2003)

Kristensen, Nadiah Pardede, Gabric, Albert Jerome, Braddock, Roger David, Cropp, Roger Allan

Cropp and Gabric [Ecosystem adaptation: do ecosystems maximise resilience? Ecology. In press] used a simple phytoplankton zooplankton nutrient model and a genetic algorithm to determine the parameter...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

Application of sensitivity analysis to oil refinery emissions (2003)

Whitcombe, Joshua Matthew, Cropp, Roger Allan, Braddock, Roger David, Agranovski, Igor E

Catalyst emissions from fluidising catalytic cracking units have the potential to impact significantly on the environmental compliance of oil refineries. Traditionally it has been assumed that gas...

The sensitivity of dimethyl sulfide production to simulated climate change in the Eastern Antarctic Southern Ocean (2003)

Gabric, Albert Jerome, Cropp, Roger Allan, HIRST, TONY, MARCHANT, HARVEY

Dimethyl sulfide (DMS) is a radiatively active trace gas produced by enzymatic cleavage of its precursor compound, dimethyl sulfoniopropionate (DMSP), which is released by marine phytoplankton in the...

Is maximising resilience compatible with established ecological goal functions? (2003)

Kristensen, Nadiah Pardede, Gabric, Albert Jerome, Braddock, Roger David, Cropp, Roger Allan

Cropp and Gabric [Ecosystem adaptation: do ecosystems maximise resilience? Ecology. In press] used a simple phytoplankton zooplankton nutrient model and a genetic algorithm to determine the parameter...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

Evidence for global coupling of phytoplankton and atmospheric aerosols (2003)

Cropp, Roger Allan, Gabric, Albert Jerome

Biological coupling between the ocean and atmosphere may have profound implications for global climate change. Atmospheric aerosols such as dust can directly influence the radiative balance of the...

Evidence for global coupling of phytoplankton and atmospheric aerosols (2003)

Cropp, Roger Allan, Gabric, Albert Jerome

Biological coupling between the ocean and atmosphere may have profound implications for global climate change. Atmospheric aerosols such as dust can directly influence the radiative balance of the...

Application of sensitivity analysis to oil refinery emissions (2003)

Whitcombe, Joshua Matthew, Cropp, Roger Allan, Braddock, Roger David, Agranovski, Igor E

Catalyst emissions from fluidising catalytic cracking units have the potential to impact significantly on the environmental compliance of oil refineries. Traditionally it has been assumed that gas...

The sensitivity of dimethyl sulfide production to simulated climate change in the Eastern Antarctic Southern Ocean (2003)

Gabric, Albert Jerome, Cropp, Roger Allan, HIRST, TONY, MARCHANT, HARVEY

Dimethyl sulfide (DMS) is a radiatively active trace gas produced by enzymatic cleavage of its precursor compound, dimethyl sulfoniopropionate (DMSP), which is released by marine phytoplankton in the...

Is maximising resilience compatible with established ecological goal functions? (2003)

Kristensen, Nadiah Pardede, Gabric, Albert Jerome, Braddock, Roger David, Cropp, Roger Allan

Cropp and Gabric [Ecosystem adaptation: do ecosystems maximise resilience? Ecology. In press] used a simple phytoplankton–zooplankton–nutrient model and a genetic algorithm to determine the...

Evidence for global coupling of phytoplankton and atmospheric aerosols (2003)

Cropp, Roger Allan, Gabric, Albert Jerome

Biological coupling between the ocean and atmosphere may have profound implications for global climate change. Atmospheric aerosols such as dust can directly influence the radiative balance of the...

A Biogeochemical Modelling Analysis of the Potential For Marine Ecosystems to Regulate Climate By the Production of Dimethylsulphide (2003)

Cropp, Roger Allan

The potential for life to control its environment was first suggested by Lovelock (1972). Charlson et al (1987) proposed a role for marine planktonic ecosystems in global climate regulation via the...

The New Morris Method; an efficient second order screening method (2002)

Cropp, Roger Allan, Braddock, Roger David

The New Morris Method was proposed by Campolongo and Braddock [Reliab. Engng Syst. Saf. 64 (1999) 1] as an extension of the Morris Method [Technometrics 33 (1991) 161] to include estimation of...

The New Morris Method; an efficient second order screening method (2002)

Cropp, Roger Allan, Braddock, Roger David

The New Morris Method was proposed by Campolongo and Braddock [Reliab. Engng Syst. Saf. 64 (1999) 1] as an extension of the Morris Method [Technometrics 33 (1991) 161] to include estimation of...

The New Morris Method; an efficient second order screening method (2002)

Cropp, Roger Allan, Braddock, Roger David

The New Morris Method was proposed by Campolongo and Braddock [Reliab. Engng Syst. Saf. 64 (1999) 1] as an extension of the Morris Method [Technometrics 33 (1991) 161] to include estimation of...

The New Morris Method; an efficient second order screening method (2002)

Cropp, Roger Allan, Braddock, Roger David

The New Morris Method was proposed by Campolongo and Braddock [Reliab. Engng Syst. Saf. 64 (1999) 1] as an extension of the Morris Method [Technometrics 33 (1991) 161] to include estimation of...

Ecosystem adaptation: Do ecosystems maximise resilience? (2002)

Cropp, Roger Allan, Gabric, Albert Jerome

The response of an ecological system to perturbation can be described in terms of its resilience, essentially a measure of the time the system takes to return to its prior state. The resilience of an...

Coupling between cycles of phytoplankton biomass and aerosol optical depth as derived from SeaWiFS time series in the Subantarctic Southern Ocean. (2002)

Gabric, Albert Jerome, Cropp, Roger Allan, Ayers, Gregory P., McTainsh, Grant Harvey, Braddock, Roger David

The Subantarctic Southern Ocean is a high-nutrient low-chlorophyll region, and it has been suggested that primary production is limited by deep mixing and the availability of iron. Australian dust is...