Search Results - "WALKER, Glen R"

Modelling climate-change impacts on groundwater recharge in the Murray-Darling Basin, Australia by Crosbie, Russell S, McCallum, James L, Walker, Glen R, Chiew, Francis H. S

“…A methodology is presented for assessing the average changes in groundwater recharge under a future climate. The method is applied to the 1,060,000 km²…”
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Predicting Aquifer Response Time for Application in Catchment Modeling by Walker, Glen R., Gilfedder, Mat, Dawes, Warrick R., Rassam, David W.

“…It is well established that changes in catchment land use can lead to significant impacts on water resources. Where land‐use changes increase…”
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Episodic recharge and climate change in the Murray-Darling Basin, Australia by Crosbie, Russell S., McCallum, James L., Walker, Glen R., Chiew, Francis H. S.

“…In semi-arid areas, episodic recharge can form a significant part of overall recharge, dependant upon infrequent rainfall events. With climate change…”
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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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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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Analytical model of salinity risk from groundwater discharge in semi-arid, lowland floodplains by Holland, Kate L, Jolly, Ian D, Overton, Ian C, Walker, Glen R

“…River regulation and irrigated agricultural developments have increased saline groundwater discharge to semi-arid floodplain environments, resulting in soil…”
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Prioritisation approach for estimating the biophysical impacts of land-use change on stream flow and salt export at a catchment scale by Gilfedder, Mat, Walker, Glen R., Dawes, Warrick R., Stenson, Matthew P.

“…Predicting the impacts of land-use change on stream flow and stream salt export at a catchment scale is hampered by limited detailed measured data,…”
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Using MODFLOW 2000 to Model ET and Recharge for Shallow Ground Water Problems by Doble, Rebecca C, Simmons, Craig T, Walker, Glen R

“…In environments with shallow ground water elevation, small changes in the water table can cause significant variations in recharge and evapotranspiration…”
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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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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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Estimating impacts of changed land use on recharge: review of modelling and other approaches appropriate for management of dryland salinity by Walker, Glen R, Zhang, Lu, Ellis, Tim W, Hatton, Tom J, Petheram, Cuan

“…To manage dryland salinity, one needs to know how changed land use affects groundwater recharge. Few techniques are available for comparing 'deep drainage'…”
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Impact of flooding on the water use of semi-arid riparian eucalypts by Akeroyd, Michele D., Tyerman, Steve D., Walker, Glen R., Jolly, Ian D.

“…The water use strategy of Eucalyptus largiflorens (F. Muell.) was investigated in response to flooding on the Chowilla Anabranch, a semi-arid floodplain of the…”
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Assessing the potential for significant and episodic recharge in southwestern Australia using rainfall data by Lewis, Fay M, Walker, Glen R

“…Agricultural practices in semi-arid parts of southwestern Australia have increased recharge and raised groundwater levels. As a result, land salinization has…”
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Uptake of saline groundwater by plants: An analytical model for semi-arid and arid areas by Thorburn, Peter J., Walker, Glen R., Jolly, Ian D.

“…An analytical model, based on unsaturated zone water and solute balances, was developed to describe the uptake of saline groundwater by plants in dry regions…”
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Regional planning for the siting of local evaporation basins for the disposal of saline irrigation drainage: Development and testing of a GIS-based suitability approach by Jolly, Ian D., Walker, Glen R., Dowling, Trevor I., Christen, Evan W., Murray, Elaine

“…In order to prevent salinisation of the streams of the Riverine Plain of the Murray-Darling Basin in southern Australia, evaporation basins are used to dispose…”
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Impacts of climate change on groundwater in Australia: a sensitivity analysis of recharge by McCallum, J. L, Crosbie, R. S, Walker, G. R, Dawes, W. R

“…Groundwater recharge is a complex process reflecting many interactions between climate, vegetation and soils. Climate change will impact upon groundwater…”
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Testing of a GIS Model of Eucalyptus largiflorens Health on a Semiarid, Saline Floodplain by Taylor, PJ, Walker, GR, Hodgson, G, Hatton, TJ, Correll, RL

“…Irrigated agriculture has resulted in substantial changes in water flows to the lower reaches of the River Murray. These changes have led to large-scale…”
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Analytical model of salinity risk from groundwater discharge in semi-arid, lowland floodplains : Hydrology and Ecohydrology of Australian Semi-Arid Wetlands by HOLLAND, Kate L, JOLLY, Ian D, OVERTON, Ian C, WALKER, Glen R

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Root dynamics of Melaleuca halmaturorum in response to fluctuating saline groundwater by Mensforth, L.J. (Division of Water resources CSIRO, Glen Osmond, S.A. (Australia).), Walker, G.R

“…Melaleuca halmaturorum is a salt and waterlogging tolerant tree and thus often occurs in saline areas fringing permanent wetlands and in ephemeral swamps. The…”
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A compartmental mixing-cell approach for the quantitative assessment of groundwater dynamics in the Otway Basin, South Australia by Harrington, Glenn A., Walker, Glen R., Love, Andrew J., Narayan, Kumar A.

“…Transient groundwater fluxes, as calculated by a groundwater flow model (MODFLOW) are used as input into a compartmental mixing-cell (CMC) model to simulate…”
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