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Browsing 04 Earth Sciences by Author

Browsing 04 Earth Sciences by Author "Baird Mark"

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Analysis of southeast Australian zooplankton observations of 1938-42 using synoptic oceanographic conditions

Baird Mark; Everett Jason; Suthers Iain (Elsevier B.V., 2011)

The research vessel Warreen obtained 1742 planktonic samples along the continental shelf and slope of southeast Australia from 1938-42, representing the earliest spatially and temporally resolved zooplankton data from ...
Biological properties across the Tasman Front off southeast Australia

Baird Mark; Timko Patrick; Middleton Jason; Mullaney Thomas; Cox Deborah; Suthers Iain (Elsevier, 2008)

Physical, geochemical and biological observations across the Tasman Front off southeast Australia provide the first detailed view of the relationship between physical forcing and biological properties within the frontal ...
Biological response to circulation driven by mean summertime winds off central Chile: A numerical model study

Baird Mark; Leth Ole; Middleton John (American Geophysical Union, 2007)

A coupled physical-biological model of the waters off central Chile is used to investigate the nitrogen-phytoplankton-zooplankton response to ocean circulation driven by mean summertime winds. The circulation drives the ...
Coupled physical-biological modelling study of the East Australian Current with idealised wind forcing. Part 1: Biological model intercomparison

Baird Mark; Timko Patrick; Suthers Iain; Middleton John (Elsevier, 2006)

A Coupled physical-biomechanical Nitrogen-Phytoplankton-Zooplankton (NPZ) model of the pelagic ecosystem is configured for the East Australian Current (EAC). The biomechanical NPZ model uses a combination of physiological ...
Day and night ichthyoplankton assemblages and zooplankton biomass size spectrum in a deep ocean island wake

Suthers Iain; Taggart C; Rissik David; Baird Mark (Inter-Research, 2006)

Zooplankton size and larval fish assemblages were compared between locations in the incident free stream and the island wake of Cato Reef, in the south Coral Sea over 6 d in February 1993. Weak incident northward flow of ...
The effect of packaging of chlorophyll within phytoplankton and light scattering in a coupled physical-biological ocean model

Baird Mark; Timko Patrick; Wu Lujia (CSIRO Publishing, 2007)

A coupled physical - biological model forced with spectrally resolved solar radiation is used to investigate the effect of packaging of pigment and light scattering on physical and biological properties in the open ocean. ...
The effect of surface flooding on the physical-biogeochemical dynamics of a warm-core eddy off southeast Australia

Baird Mark; Suthers Iain; Griffin David; Hollings Ben; Pattiaratchi Charitha; Everett Jason; Roughan Moninya; Oubelkheir Kadija; Doblin Martina (Elsevier B.V., 2011)

Warm core eddies (WCEs) formed from the East Australian Current (EAC) play an important role in the heat, mass and biogeochemical budgets of the western Tasman Sea. The development and separation of an EAC WCE during ...
The effect of wind on continental shelf carbon fluxes off southeast Australia: a numerical model

Macdonald Helen; Baird Mark; Middleton Jason (American Geophysical Union, 2009)

A coupled physical-biological-chemical model is used to study the effect of upwelling-favorable and downwelling-favorable winds on carbon biogeochemistry on the continental shelf off the southeast Australian mainland. Along ...
Entrainment of larval fish assemblages from the inner shelf into the East Australian Current and into the western Tasman Front

Mullaney Thomas; Miskiewicz Anthony; Baird Mark; Burns Peter; Suthers Iain (Blackwell Publishing, 2011)

Entrainment and transport of larval fish assemblages by the East Australian Current (EAC) were examined from the coastal waters of northern New South Wales (NSW) to the western Tasman Front, via the separation of the EAC ...
Mass-transfer-limited nitrate uptake on a coral reef flat, Warraber island, Torres Strait, Australia

Baird Mark; Roughan Moninya; Middleton John; Nippard Greg (Springer, 2004)

Previous research has identified a relationship between the rate of dissipation of turbulent kinetic energy, e, and the mass-transfer-limited rate of uptake by a surface, herein called the epsilon(1/4) law, and suggests ...
Measurement and prediction of mass transfer to experimental coral reef communities

Baird Mark; Atkinson M (Amer Sco Limnology Oceanography, 1997)

The uptake of nutrients (N and P) into coral reef communities is proposed to be limited by diffusion through concentration-depleted boundary layers between the water and organisms, or what is termed "mass transfer limitation." ...
Modelling coastal connectivity in a Western Boundary Current: Seasonal and inter-annual variability

Roughan Moninya; Macdonald Helen; Baird Mark; Glasby Timothy (Elsevier B.V., 2011)

A particle tracking hydrodynamic model is used to quantify coastal connectivity along the NSW coast.
Nutrient and plankton dynamics in an intermittently closed/open lagoon, Smiths Lake, south-eastern Australia: An ecological model

Everett Jason; Baird Mark; Suthers Iain (Academic Press, 2007)

A spatially resolved, eleven-box ecological model is presented for an Intermittently Closed and Open Lake or Lagoon (ICOLL), configured for Smiths Lake, NSW Australia. ICOLLs are characterised by low flow from the catchment ...
On relating physical limits to the carbon : nitrogen ratio of unicellular algae and benthic plants

Baird Mark; Middleton John (Elsevier, 2004)

Unicellular algae such as phytoplankton and benthic microalgae have an elemental ratio of carbon to nitrogen to phosphorus (C/N/P) of approximately 106:16:1, known as the Redfield ratio. Benthic plants, including benthic ...
Parameter optimisation of a marine ecosystem model at two contrasting stations in the Sub-Antarctic Zone

Kidston Mehera; Matear Richard; Baird Mark (Elsevier B.V., 2011)

SeaWiFS surface chlorophyll estimates in the Sub-Antarctic Zone show low concentrations south west of Tasmania and high concentrations south east of Tasmania. Data assimilation experiments were performed using simulated ...
Plankton dynamics due to rainfall, eutrophication, dilution, grazing and assimilation in an urbanized coastal lagoon

Rissik David; Baird Mark; Shon Edward; Newell Brooke; Suthers Iain (Academic Press, 2009)

After a prolonged summer dry period, the effects of a distinctive and continuing rainfall on the nutrients and plankton of an urban coastal lagoon were investigated over 2 months. The lagoon filled up over 5 weeks from ...
A plankton population model with biomechanical descriptions of biological processes in an idealised 2D ocean basin

Baird Mark; Oke P; Suthers Iain; Middleton Jason (Elsevier, 2004)

A five component pelagic ecosystem model is coupled to a two dimensional configuration of the Princeton Ocean Model (POM), representing an idealised ocean basin with upwelling and downwelling regions. The formulation of ...
The strengthening East Australian Current, its eddies and biological effects - an introduction and overview

Suthers Iain; Everett Jason; Roughan Moninya; J.W. Young; Oke Peter; Condie Scott; Hartog Jason; Baird Mark; Hassler Christel; Brassington Gary; Byrne Maria; Holbrook Neil; Malcolm Hamish (Elsevier B.V., 2011)

This is the opening paper for the special issue on the East Australian Current, which is available on line.
Three-dimensional structure of a swarm of the salp Thalia democratica within a cold-core eddy off southeast Australia

Baird Mark; Everett Jason; Suthers Iain (American Geophysical Union, 2011)

Swarms of the salp Thalia democratica periodically occur off southeast Australia following the austral spring bloom of phytoplankton. In October 2008 a filament of upwelled water was advected south by the adjacent East ...
The use of mechanistic descriptions of algal growth and zooplankton grazing in an estuarine eutrophication model

Baird Mark; Walker Samuel; Wallace B; Webster I; Parslow J (Academic Press, 2003)

A simple model of estuarine eutrophication is built on biomechanical (or mechanistic) descriptions of a number of the key ecological processes in estuaries. Mechanistically described processes include the nutrient uptake ...

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Browsing 04 Earth Sciences by Author "Baird Mark"

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Browsing 04 Earth Sciences by Author "Baird Mark"