Search Results - "Walker, G.R."

Research priorities for assessing potential impacts of emerging marine renewable energy technologies: Insights from developments in Wales (UK) by Roche, R.C., Walker-Springett, K., Robins, P.E., Jones, J., Veneruso, G., Whitton, T.A., Piano, M., Ward, S.L., Duce, C.E., Waggitt, J.J., Walker-Springett, G.R., Neill, S.P., Lewis, M.J., King, J.W.

“…The marine renewable energy industry is expanding globally in response to increased energy demands and the desire to curtail greenhouse gas emissions. Within…”
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Optimum electricity purchase scheduling for aggregator storage in a reliability framework for rural distribution networks by Narimani, A., Nourbakhsh, G., Ledwich, G.F., Walker, G.R.

“…•Developing a segment based energy storage scheduling strategy to reduce aggregator energy purchase cost, considering a minimum EES state of charge provision…”
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Incorporating land-use changes and surface–groundwater interactions in a simple catchment water yield model by Gilfedder, M., Rassam, D.W., Stenson, M.P., Jolly, I.D., Walker, G.R., Littleboy, M.

“…Pressure on limited water resources and the environment requires better understanding of how landscape change impacts river flow. Rainfall-runoff models have…”
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Digitally-implemented naturally sampled PWM suitable for multilevel converter control by Walker, G.R.

“…For dynamic closed loop control of a multilevel converter with a low pulse number (ratio of switching frequency to synthesized fundamental), natural sampled…”
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Salinization of a Fresh Palaeo-Ground Water Resource by Enhanced Recharge by Leaney, F.W., Herczeg, A.L, Walker, G.R.

“…Deterioration of fresh ground water resources caused by salinization is a growing issue in many arid and semi‐arid parts of the world. We discuss here the…”
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Growth and ground water uptake responses of lucerne to changes in groundwater levels and salinity: lysimeter, isotope and modelling studies by Zhang, L., Dawes, W.R., Slavich, P.G., Meyer, W.S., Thorburn, P.J., Smith, D.J., Walker, G.R.

“…Shallow saline water tables underline large areas of the Riverine Plains of the Murray Basin of southern Australia. It is believed that deep-rooted perennial…”
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Cascaded DC-DC converter connection of photovoltaic modules by Walker, G.R., Sernia, P.C.

“…New residential scale photovoltaic (PV) arrays are commonly connected to the grid by a single dc-ac inverter connected to a series string of pv panels, or many…”
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Water use of grazed salt bush plantations with saline watertable by Slavich, P.G., Smith, K.S., Tyerman, S.D., Walker, G.R.

“…Old man saltbush ( Atriplex nummularia) has been widely planted on salt affected land in south-east Australia to provide a vegetative cover which can be used…”
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Root zone effects on tracer migration in arid zones by Tyler, S.W, Walker, G.R

“…The study of groundwater recharge and soil water movement in arid regions has received increased attention in the search for safe disposal sites for hazardous…”
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A flood history weighted index of average root-zone salinity for assessing flood impacts on health of vegetation on a saline floodplain by Slavich, P.G., Walker, G.R., Jolly, I.D.

“…Native Eucalyptus woodlands on the floodplains of the lower River Murray, Australia are dying because of increased soil salinity associated with shallower…”
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A Class B switch-mode assisted linear amplifier by Walker, G.R.

“…A switch-mode assisted linear amplifier (SMALA) combining a linear (Class B) and a switch-mode (Class D) amplifier is presented. The usual single hysteretic…”
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Characterization of the in vitro expressed autoimmune rippling muscle disease immunogenic domain of human titin encoded by TTN exons 248–249 by Zelinka, L., McCann, S., Budde, J., Sethi, S., Guidos, M., Giles, R., Walker, G.R.

“…► Affinity purification of the autoimmune rippling muscle disease immunogenic domain of titin. ► Partial sequence analysis confirms that the peptides is in the…”
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Impacts of irrigation and dryland development on groundwater discharge to rivers—a unit response approach to cumulative impacts analysis by Knight, John H., Gilfedder, Mat, Walker, Glen R.

“…The influence of irrigation and dryland land-use development has increased groundwater recharge, leading to increased discharge of existing saline groundwater…”
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Lifecycle costs of ultracapacitors in electric vehicle applications by Simpson, A.G., Walker, G.R.

“…The pulse power characteristics of ultracapacitors appear well suited to electric vehicle applications, where they may supply the peak power more efficiently…”
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Field validation of isotopic procedures for determining sources of water used by plants in a semi-arid environment by Brunel, Jean-Pierre, Walker, Glen R., Kennett-Smith, Ashleigh K.

“…Methods for using stable isotopes of water ( 2H, 18O) for determining the sources of water transpired by plants in a semi-arid field situation are validated. A…”
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Sources of water used by riparian Eucalyptus camaldulensis overlying highly saline groundwater by Mensforth, L.J. (Commonwealth Scientific and Industrial Research Organisation, Glen Osmond (Australia). Div. of Water Resources. Centre for Groundwater Studies), Thorburn, P.J, Tyerman, S.D, Walker, G.R

“…Water sources of Eucalyptus camaldulensis Dehn. trees were investigated on a semiarid floodplain in south-eastern Australia. The trees investigated ranged in…”
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Biophysical modelling of catchment-scale surface water and groundwater response to land-use change by Dawes, W.R, Gilfedder, M, Walker, G.R, Evans, W.R

“…The effect of land-use change on salt and water-balances of catchments in Australia has been significant. Impacts of these changes are often masked by large…”
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The role of laboratory exercises in modern power engineering education at the University of Queensland by Saha, T.K., Dong, Z.Y., Walker, G.R.

“…The University of Queensland (UQ) has extensive laboratory facilities associated with each course in the undergraduate electrical engineering program. The…”
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Variations in stream water uptake by Eucalyptus camaldulensis with differing access to stream water by Thorburn, P.J. (Commonwealth Scientific and Industrial Research Organisation, Glen Osmond (Australia). Div. of Water Resources. Centre for Groundwater Studies), Walker, G.R

“…The stable isotopes (2)H and (18)O were used to determine the water sources of Eucalyptus camaldulensis at three sites with varying exposure to stream water,…”
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Use of stable isotopes of water to determine the origin of water used by the vegetation and to partition evapotranspiration. A case study from HAPEX-Sahel by Brunel, J.P., Walker, G.R., Dighton, J.C., Monteny, B.

“…At one of the ‘Supersites’ within the HAPEX-Sahel exercise, soil, vegetation and atmospheric water vapour were sampled for measurement of the concentration of…”
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