Thematische Bibliographien / Irrigation South Australia Willunga Basin

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Auswahl der wissenschaftlichen Literatur zum Thema „Irrigation South Australia Willunga Basin“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 28. Januar 2023

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Zeitschriftenartikel zum Thema "Irrigation South Australia Willunga Basin"

Knowles, Ian, Michael Teubner, Aimin Yan, Paul Rasser und Jong Wook Lee. „Inverse groundwater modelling in the Willunga Basin, South Australia“. Hydrogeology Journal 15, Nr. 6 (22.05.2007): 1107–18. http://dx.doi.org/10.1007/s10040-007-0189-6.

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Majoran, Stefan. „Cytheropterine ostracoda in view ofthe palaeoecology of the Palaeogene Port Willunga Formation, South Australia, and the palaeobathymetrical evolution of the Tasman Basin“. Geobios 30, Nr. 3 (Januar 1997): 421–35. http://dx.doi.org/10.1016/s0016-6995(97)80203-3.

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Chiew, FHS, und TA Mcmahon. „Groundwater recharge from rainfall and irrigation in the campaspe river basin“. Soil Research 29, Nr. 5 (1991): 651. http://dx.doi.org/10.1071/sr9910651.

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Reliable estimates of groundwater recharge are required for effective evaluation of management options for salinity control and high water-tables in the Riverine Plain of south-eastern Australia. This paper provides a brief description of the integrated surface and groundwater modelling approach used to estimate regional recharge rates and presents the recharge rates estimated for the Campaspe River Basin. The integrated model is a powerful management tool as it can predict the relationship between rainfall, irrigation, recharge and rises in the water-table levels. The model predicted that approximately 15% of irrigation water recharges the shallow aquifer. Approximately 6% of rainfall contributes to recharge in the irrigated areas while 4 to 5% of rainfall becomes recharge in the dryland areas. Rainfall makes a greater contribution in the irrigation areas compared to the dryland areas because irrigation predisposes the soil to recharge from rainfall. The water-table levels in the irrigation areas are currently rising at approximately 0.14 m yr-1. This rate of rise will increase faster than the increase in irrigation applications.

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Walker, Glen R., Avril C. Horne, Quan J. Wang und Rob Rendell. „Assessing the Impact of Irrigation Efficiency Projects on Return Flows in the South-Eastern Murray–Darling Basin, Australia“. Water 13, Nr. 10 (14.05.2021): 1366. http://dx.doi.org/10.3390/w13101366.

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Improving irrigation efficiency (IE) is an approach used globally to help meet competing demands for water and facilitate reallocation of water between sectors. In the Murray–Darling Basin in Australia, the Australian government has invested heavily in IE projects to recover water for the environment. However, this approach has been seriously questioned, out of concerns that improved IE would reduce irrigation return flows to rivers and therefore offset water recovery. In this study, we use a water balance model to assess the impact of the IE projects on return flows and highlight sensitivities and uncertainties. The model enables the impact on return flows to be assessed on specific IE projects and regional characteristics. Overall, reductions in return flows are estimated to be less than 20% of the total proposed IE savings. The history of IE in the southern MDB has meant that most of the current reductions are in ground return flows. Our estimate is much lower than two previous studies, mainly due to different assumptions being used on groundwater connectivity between irrigation areas and major streams. While the IE projects significantly reduce seepage to groundwater (with off-farm and on-farm projects reducing seepage by 19% and 53% of total savings respectively), not all seepage reductions will translate to a reduction in ground return flows to rivers. A lower estimate is consistent with existing monitoring and groundwater modeling studies. In this paper, the study results are discussed in a broader context of impacts of IE projects on volumes and salinity of streams and groundwater resources.

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O'Neill, C. J., E. Humphreys, J. Louis und A. Katupitiya. „Maize productivity in southern New South Wales under furrow and pressurised irrigation“. Australian Journal of Experimental Agriculture 48, Nr. 3 (2008): 285. http://dx.doi.org/10.1071/ea06093.

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Irrigation farmers in the Murray–Darling Basin of Australia are under considerable pressure to reduce the amount of water they use for irrigation, while sustaining production and profitability. Changing from surface to pressurised irrigation systems may provide some or all of these outcomes; however, little is known about the performance of alternative irrigation methods for broadacre annual crops in this region. Therefore, a demonstration site for comparing furrow, subsurface drip and sprinkler irrigation was established on a representative clay soil in the Coleambally Irrigation Area, NSW. The performance of maize (Zea mays L.) under the three irrigation systems was compared during the 2004–05 season. Subsurface drip irrigated maize out-performed sprinkler and furrow irrigated maize in terms of grain yield (drip 11.8 t/ha, sprinkler 10.5 t/ha, furrow 10.1 t/ha at 14% moisture), net irrigation water application (drip 5.1 ML/ha, sprinkler 6.2 ML/ha, furrow 5.3 ML/ha), net irrigation water productivity (drip 2.3 t/ML, sprinkler 1.7 t/ML, furrow 1.9 t/ML) and total water productivity (drip 1.7 t/ML, sprinkler 1.4 t/ML, furrow 1.3 t/ML). Thus, subsurface drip irrigation saved ~30% of the total amount of water (irrigation, rain, soil water) needed to produce the same quantity of grain using furrow irrigation, while sprinkler irrigation saved ~8% of the water used. The higher net irrigation with sprinkler irrigation was largely due to the lower soil water content in the sprinkler block at the time of sowing. An EM31 survey indicated considerable spatial soil variability within each irrigation block, and all irrigation systems had spatially variable water distribution. Yield variability was very high within all irrigation systems, and appeared to be more strongly associated with irrigation variability than soil variability. All irrigation blocks had large patches of early senescence and poor cob fill, which appeared to be due to nitrogen and/or water deficit stress. We expect that crop performance under all irrigation systems can be improved by improving irrigation, soil and N management.

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Akrivou, Antigoni, Iro Georgopoulou, Dimitrios P. Papachristos, Panagiotis G. Milonas und Darren J. Kriticos. „Potential global distribution of Aleurocanthus woglumi considering climate change and irrigation“. PLOS ONE 16, Nr. 12 (20.12.2021): e0261626. http://dx.doi.org/10.1371/journal.pone.0261626.

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Citrus blackfly, Aleurocanthus woglumi Ashby (Hemiptera: Aleyrodidae), is an important agricultural quarantine pest, causing substantial economic losses to citrus and many other cultivated crops. Aleurocanthus woglumi is found in tropical and subtropical regions but is presently unknown in Europe and the Mediterranean Basin. We used CLIMEX to model the potential distribution of A. woglumi under an historical climate scenario (centred on 1995), including a spatially explicit irrigation scenario. We found that A. woglumi could potentially invade the Mediterranean Basin, and south-east Asia, including Australia. There is potential for it to invade most of sub-Saharan Africa. Irrigation is revealed as an important habitat factor affecting the potential distribution of A. woglumi, increasing its potential range by 53% in Asia. Under a future climate scenario for 2050, its potential distribution increased across all continents except Africa, where potential range expansion due to relaxation of cold stresses was limited, and was offset by range decrease due to lethal heat or dry stress. As global climates warm, Europe is likely to face a substantial increase in the area at risk of establishment by A. woglumi (almost doubling under the 2050 irrigation scenario). The biosecurity threat from A. woglumi is significant in current citrus production areas and poses a challenge to biosecurity managers and risk analysts.

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McGinness, Heather M., Anthony D. Arthur und Julian R. W. Reid. „Woodland bird declines in the Murray–Darling Basin: are there links with floodplain change?“ Rangeland Journal 32, Nr. 3 (2010): 315. http://dx.doi.org/10.1071/rj10016.

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Woodland bird population declines in Australia have been attributed to various factors including habitat loss, fragmentation, and degradation. However, the influence of altered water availability in the landscape upon woodland bird populations has not been examined, particularly in terms of changes in flood regimes and subsequent loss of floodplain productivity. In this review, we examine the importance to woodland birds of floodplains, floods, and associated vegetation communities, highlighting potential links between declining water availability, habitat degradation, and bird populations. Floodplain woodlands and forests may be important refuges for woodland bird populations because (1) floodplain woodlands and forests comprise some of the largest and most continuous vegetation remnants in south-east Australia; and (2) floods intermittently supply water, sediment and nutrients that drive greater primary and secondary productivity than found in woodlands not subject to flooding. However, floodplains in south-east Australia have been subject to substantial flow regime change, driven predominantly by dams and irrigation water use. Consequently, habitat quality for woodland birds has been degraded, potentially exacerbating population declines. We suggest that despite such change, floodplain communities and their requisite floods remain of great importance for the persistence, productivity and diversity of woodland birds in Australian drylands. We hypothesise that (1) the influence of flooding upon primary and secondary productivity in floodplain and riparian zones is a key driver of resident bird populations, and a key determinant of nomadic/migratory bird use of a site; (2) alterations in flooding and consequent changes in productivity and condition of floodplain vegetation have contributed to observed declines in resident woodland birds in Australian drylands; and (3) the influence of flooding upon productivity extends beyond local populations of floodplain residents to non-floodplain populations via dispersal, and that floodplain woodlands often act as a source population for surrounding non-floodplain woodlands. We make several testable predictions regarding these hypotheses.

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Ahmed, Alaa, Chathuri Ranasinghe-Arachchilage, Abdullah Alrajhi und Guna Hewa. „Comparison of Multicriteria Decision-Making Techniques for Groundwater Recharge Potential Zonation: Case Study of the Willochra Basin, South Australia“. Water 13, Nr. 4 (18.02.2021): 525. http://dx.doi.org/10.3390/w13040525.

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In semi-arid regions, groundwater resources play a crucial role in all economic, environmental, and social processes. However, the occurrence, movement, and recharge of these hidden and valuable resources vary from place to place. Therefore, better management practices and mapping of groundwater recharge potential zones are needed for the sustainable groundwater resources. For an example, groundwater resources in Willochra Basin are vitally important for drinking, irrigation, and stock use. This study shows the significance of the application of three decision-making approaches, including multi-influencing factor, analytical hierarchy process, and frequency ratio techniques in the identification of groundwater potential zones. A total of seven criteria, including lithology, slope, soil texture, land-use, rainfall, drainage density, and lineament density, were extracted from conventional and remote sensing data sources. The parameters and their assigned weights were integrated using Geographic Information System (GIS) software to generate recharge potential maps. The resultant maps were evaluated using the area under the curve method. The results showed that the southern regions of the Willochra Basin are more promising for groundwater recharge potential. The map produced using the frequency ratio model was the most efficient (84%), followed by the multi-influencing factor model (70%) and then the analytical hierarchy process technique (62%). The area under the curve method agreed when evaluated using published weights and rating values.

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Argue, John R. „A NEW STREETS CAPE FOR STORMWATERMANAGEMENT IN MEDITERRANEAN -CLIMATE CITIES: THE CONCEPT EXPLORED“. Water Science and Technology 30, Nr. 1 (01.07.1994): 23–32. http://dx.doi.org/10.2166/wst.1994.0003.

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The water resources crisis facing countries of the Mediterranean Basin is reflected, in diminished form, in the semi-arid, “Mediterranean-climate” zone of Australia. Some creative solutions involving the collection, treatment, storage, retrieval and use of storm runoff to replace the component of mainssupplied water presently used for “second quality” purposes, are emerging in Adelaide, capital city of South Australia. The paper describes one initiative being taken to achieve source control of stormwater – quantity and quality – in mixed-density residential streets. The resulting streetscape is suitable for use in both “greenfields” and re-development projects. The paper explores the hydrological/hydraulic performance of the system and shows that it satisfies all theoretical- requirements for safety in the full range of flooding up to and including the “once in 100-years” event. The new streetscape holds the following advantages over conventional streetscapes : reduced peak outflows, greatly improved effluent water quality, aids “greening” of the landscape, potential for aquifer recharge where appropriate, aquiferretrieved groundwater can replace mains water used for irrigation, “nuisance” flows are fully contained (no surface appearance), major flows only occupy the swale, street residences are less flood prone and the streetscape fits more harmoniously into undulating terrain.

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Alaghmand, S., S. Beecham und A. Hassanli. „Fully integrated physically-based numerical modelling of impacts of groundwater extraction on surface and irrigation-induced groundwater interactions: case study Lower River Murray, Australia“. Natural Hazards and Earth System Sciences Discussions 1, Nr. 4 (26.07.2013): 3577–624. http://dx.doi.org/10.5194/nhessd-1-3577-2013.

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Abstract. Combination of reduction in the frequency, duration and magnitude of natural floods, rising saline water-table in floodplains and excessive evapotranspiration have led to an irrigation-induced groundwater mound forced the naturally saline groundwater onto the floodplain in the Lower River Murray. It is during the attenuation phase of floods that these large salt accumulations are likely to be mobilised and will discharge into the river. The Independent Audit Group for Salinity highlighted this as the most significant risk in the Murray–Darling Basin. South Australian government and catchment management authorities have developed salt interception schemes (SIS). This is to pump the highly saline groundwater from the floodplain aquifer to evaporation basins in order to reduce the hydraulic gradient that drives the regional saline groundwater towards the River Murray. This paper investigates the interactions between a river (River Murray in South Australia) and a saline semi-arid floodplain (Clarks Floodplain) significantly influenced by groundwater lowering (Bookpurnong SIS). Results confirm that groundwater extraction maintain a lower water-table and more fresh river water flux to the saline floodplain aquifer. In term of salinity, this may lead to less amount of solute stored in the floodplain aquifer. This occurs through two mechanisms; extracting some of the solute mass from the system and changing the floodplain groundwater regime from a losing to gaining one. Finally, it is shown that groundwater extraction is able to remove some amount of solute stored in the unsaturated zone and mitigate the floodplain salinity risk.

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Dissertationen zum Thema "Irrigation South Australia Willunga Basin"

James-Smith, Julianne Marie. „Development of a water management model for the evaluation of streamflow for aquifer storage and recovery“. Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09ENS/09ensj291.pdf.

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Addendum on back page. Includes bibliography. Groundwater levels within the Willunga Basin, South Australia, are declining due to excessive extraction of water for irrigation purposes. An alternative source of water is needed to supplement the declining levels to ensure the sustainability of the groundwater system. A model was developed to evaluate the potential for using aquifer storage and recovery in conjunction with the surface storage of streamflow as a possible alternative water source. The application of this model to the largest catchment in the Willinga basin shows that sufficient streamflow is available to reverse the current overexploitation of the groundwater system.

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Finlay, Alison Janet. „Carbonate geochemistry of the tertiary (late eocene to early oligocene) section at Maslin and Aldinga Bays, the Willunga embayment of the St. Vincent Basin, South Australia /“. Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09SB/09sbf511.pdf.

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Thesis (B. Sc.(Hons.))--University of Adelaide, Dept. of Geology and Geophysics, 1994.
National grid reference : Barker Street 1 54-13 (1:250 000). Includes bibliographical references (leaves 24-27).

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Rasser, Paul Edward. „Calibration of numerical models with application to groundwater flow in the Willunga Basin, South Australia“. 2001. http://thesis.library.adelaide.edu.au/public/adt-SUA20030414.111541/index.html.

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Bibliography: 80-82. Electronic publication; full text available in PDF format; abstract in HTML format. The process of calibrating a numerical model is examined in this thesis with an application to the flow of groundwater in the Willunga Basin in South Australia. The calibration process involves estimating unknown parameters of the numerical model so that the output obtained from the model is comparable with data that is observed in the field. Three methods for calibrating numerical models are discussed, these being the steepest descent method, the nonlinear least squares method, and a new method called the response function method. Electronic reproduction.[Australia] :Australian Digital Theses Program,2001.

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Buchteile zum Thema "Irrigation South Australia Willunga Basin"

Morgan, Leanne K., Adrian D. Werner, Melinda J. Morris und Michael D. Teubner. „Application of a Rapid-Assessment Method for Seawater Intrusion Vulnerability: Willunga Basin, South Australia“. In Groundwater in the Coastal Zones of Asia-Pacific, 205–25. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5648-9_10.

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Konferenzberichte zum Thema "Irrigation South Australia Willunga Basin"

„Modelling groundwater dependent ecosystems in the Willunga Basin, South Australia“. In 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2013. http://dx.doi.org/10.36334/modsim.2013.l16.hamilton.

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