Academic literature on the topic 'Watershed hydrology New South Wales'
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Journal articles on the topic "Watershed hydrology New South Wales"
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Vivoni, Enrique R., and Kevin T. Richards. "Integrated use of GIS-based field sampling and modeling for hydrologic and water quality studies." Journal of Hydroinformatics 7, no. 4 (October 1, 2005): 235–50. http://dx.doi.org/10.2166/hydro.2005.0021.
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Enhancements to traditional catchment-scale water quality assessments can be realized by leveraging geographical information systems (GIS) for both field data collection and hydrologic and water quality (H/WQ) modeling. In this study, we describe a GIS-based data collection system for geo-referenced environmental sampling utilizing mobile, wireless and Internet technologies. Furthermore, sampled field data is combined with historical measurements within a GIS-based semi-distributed watershed model for simulating water quantity and quality in a large regional catchment. The GIS-based sampling and modeling system is intended to streamline water quality assessments as compared to current practices. We describe an application and field study in the Williams River, New South Wales, Australia designed to assess the impacts of point and non-point source pollution on water quality. Historical data were utilized for calibrating and validating the Hydrologic Simulation Program – Fortran (HSPF) with the BASINS GIS interface over the 1988–2000 period. Results from the study indicate that short-duration, spatially extensive field campaigns provide useful data for enhancing modeling studies based on historical measurements at sparse sites. In addition, the study suggests that the conjunctive use of data collection and modeling is a step towards real-time integration of field data in hydrologic and water quality modeling efforts.
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Papalia, Jonathan. "An initial assessment of coastal watershed management in New South Wales, Australia." Coastal Management 24, no. 4 (January 1996): 365–84. http://dx.doi.org/10.1080/08920759609362303.
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Scott, J. M., K. J. Hutchinson, K. King, W. Chen, M. McLeod, G. J. Blair, A. White, et al. "Quantifying the sustainability of grazed pastures on the Northern Tablelands of New South Wales." Australian Journal of Experimental Agriculture 40, no. 2 (2000): 257. http://dx.doi.org/10.1071/ea98012.
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An experiment was conducted to examine the effect of deep-rooted perennial grasses on the water and nitrogen economy of 3 mature pasture communities with different botanical compositions but the same fertiliser history. One pasture was dominated by volunteer naturalised pasture grasses (Eleusine tristachya and Danthonia spp.) (termed ‘degraded’), another was phalaris (Phalaris aquatica) dominant (phalaris), and a third was dominated by phalaris into which white clover (Trifolium repens) had been recently sown (phalaris–white clover). Two replicates of each pasture type were grazed continuously over 4 years with young weaner sheep changed each year. Measurements of hydrology, nutrient cycling, botanical composition and animal production were made in order to quantify the sustainability characteristics of each of the pasture types. Data are summarised as absolute measures at various points in time and also as trends over time. The ranking of standardised treatment measures was then summed to provide an index of sustainability with or without a weighting assumed to be representative of the relative importance of various layers of sustainability viewed from the perspective of a hypothetical ‘typical’ grazier. The results show that the phalaris–white clover treatment was substantially more sustainable, in both ecological and economic terms, than either of the other treatments. The unweighted index for the phalaris–white clover pasture was 3.61 compared to 2.08 and 1.98 for the phalaris and ‘degraded’ pastures, respectively.
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Kingsford, R. T., K. Brandis, R. F. Thomas, P. Crighton, E. Knowles, and E. Gale. "Classifying landform at broad spatial scales: the distribution and conservation of wetlands in New South Wales, Australia." Marine and Freshwater Research 55, no. 1 (2004): 17. http://dx.doi.org/10.1071/mf03075.
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Relatively few large-scale inventories of the world's wetlands exist because of the difficulties of spatial scale, associated cost and multiple objectives, often temporally confounded, that drive classification. The extent of wetlands across a large part of Australia (New South Wales, 80.6 million ha) was determined using satellite image analyses. These data allowed analyses of the distribution of wetlands, their conservation status and potential threats at different spatial scales; that is, State, coastal and inland, and catchment. Approximately 5.6% of New South Wales is wetland (4.5 million ha), mostly (96%) in inland river catchments. Broad classification allowed identification of the extent of wetland types: (i) floodplains (89%); (ii) freshwater lakes (6.6%); (iii) saline lakes (< 1%); (iv) estuarine wetlands (2.5%); and (v) coastal lagoons and lakes (1.5%). Conservation reserves protect only 3% of wetland area. The analyses identified the north-west as the key area for wetland conservation as most other catchments have lower wetland extent and more potential threatening processes. The first stage of a large-scale inventory is to determine the extent and location of wetlands, with immediate benefits for strategic conservation and management. Other objectives (e.g. classification, biotic composition, hydrology and threats) seldom have sufficient data available for large-scale inventories but can be completed later with resources.
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Rodrigues, Miguel, and Carla Antunes. "Best Management Practices for the Transition to a Water-Sensitive City in the South of Portugal." Sustainability 13, no. 5 (March 9, 2021): 2983. http://dx.doi.org/10.3390/su13052983.
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The uncertainty that arises from future environmental and climatic challenges requires new approaches towards urban water management in Mediterranean cities. In this work, an urban water cycle (UWC) strategy based on the best management practices (BMPs) of water-sensitive urban design (WSUD) is proposed for the transition of a coastal city in the south of Portugal into a water-sensitive city (WSC), in line with the Municipal Strategy for Climate Change Adaptation of Loulé (EMAAC of Loulé). The city’s watershed was identified using the ArcMap Hydrology toolset with geospatial data provided by Loulé’s Municipal Council Operational Unit for Adaptation to Climate Change and Circular Economy (UOACEC). A broad characterisation of the study area was conducted, identifying existing resources to further develop a SWOT (strengths, weaknesses, opportunities, threats) analysis. The Hydrology toolset outputs, precipitation events records, and survey results were used to identify flood-prone areas. The opportunities and threats identified were further used to develop the transition strategy, which is focused on critical areas identified and supported by BMPs, including source control, attenuation, treatment and infiltration measures, permeable pavements, rainwater harvesting systems, and bioretention basins. The approach is designed to increase the city’s resilience to climate extremes, as well as community engagement towards UWC management.
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Manage, Nadeeka Parana, Natalie Lockart, Garry Willgoose, George Kuczera, Anthony S. Kiem, AFM Kamal Chowdhury, Lanying Zhang, and Callum Twomey. "Statistical testing of dynamically downscaled rainfall data for the Upper Hunter region, New South Wales, Australia." Journal of Southern Hemisphere Earth Systems Science 66, no. 2 (2016): 203. http://dx.doi.org/10.1071/es16016.
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This study tests the statistical properties of downscaled climate data, concentrating on the rainfall which is required for hydrology predictions used in water supply reservoir simulations. The datasets used in this study have been produced by the New South Wales (NSW) / Australian Capital Territory (ACT) Regional Climate Modelling (NARCliM) project which provides a dynamically downscaled climate dataset for southeast Australia at 10 km resolution. In this paper, we present an evaluation of the downscaled NARCliM National Centers for Environmental Prediction (NCEP) / National Center for Atmospheric Research (NCAR) reanalysis simulations. The validation has been performed in the Goulburn River catchment in the Upper Hunter region of New South Wales, Australia. The analysis compared time series of the downscaled NARCliM rain-fall data with ground based measurements for selected Bureau of Meteorology rainfall stations and 5 km gridded data from the Australian Water Availability Project (AWAP). The initial testing of the rainfall was focused on autocorrelations as persistence is an important factor in hydrological and water availability analysis. Additionally, a cross-correlation analysis was performed at daily, fort-nightly, monthly and annually averaged time resolutions. The spatial variability of these statistics were calculated and plotted at the catchment scale. The auto-correlation analysis shows that the seasonal cycle in the NARCliM data is stronger than the seasonal cycle present in the ground based measurements and AWAP data. The cross-correlation analysis also shows a poor agreement between NARCliM data, and AWAP and ground based measurements. The spatial variability plots show a possible link between these discrepancies and orography at the catchment scale.
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Bailey, Howard C., Rick Krassoi, James R. Elphick, Ann-Maree Mulhall, Peta Hunt, Louise Tedmanson, and Adam Lovell. "Whole effluent toxicity of sewage treatment plants in the hawkesbury-nepean watershed, New South Wales, Australia, toCeriodaphnia dubiaandSelenastrum capricornutum." Environmental Toxicology and Chemistry 19, no. 1 (January 2000): 72–81. http://dx.doi.org/10.1002/etc.5620190108.
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Bailey, Howard C., Rick Krassoi, James R. Elphick, Ann-Maree Mulhall, Peta Hunt, Louise Tedmanson, and Adam Lovell. "Application ofCeriodaphnia dubiafor whole effluent toxicity tests in the hawkesbury-nepean watershed, New South Wales, Australia: Method development and validation." Environmental Toxicology and Chemistry 19, no. 1 (January 2000): 88–93. http://dx.doi.org/10.1002/etc.5620190110.
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Thornton, C. M., B. A. Cowie, D. M. Freebairn, and C. L. Playford. "The Brigalow Catchment Study: II. Clearing brigalow (Acacia harpophylla) for cropping or pasture increases runoff." Soil Research 45, no. 7 (2007): 496. http://dx.doi.org/10.1071/sr07064.
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The Brigalow Catchment Study (BCS) was established to determine the impact on hydrology when brigalow land is cleared for cropping and grazing. The paired catchment study was commenced in 1965 using catchments of approximately 15 ha, with natural vegetation dominated by brigalow scrub (Acacia harpophylla). Three contiguous catchments were selected near Theodore in central Queensland to represent the extensive brigalow bioregion of central and southern Queensland and northern New South Wales (~40 Mha). The hydrology of the 3 catchments was characterised during a 17-year calibration period (1965–81). The catchments were considered hydrologically similar, with sufficient data available for an empirical comparison between catchments. In 1982, two of the catchments were cleared, with one developed for cropping and the other sown to improved pasture. The third catchment was used as an uncleared control. Hydrologic characteristics were then compared for the following 21 years. In their virgin state, the catchments behaved similarly, with average annual runoff being 5% of annual rainfall. Once cleared, total runoff from the cropping catchment increased to 11% of annual rainfall and total runoff from the pasture catchment increased to 9% of annual rainfall; however, timing of the individual runoff events varied between land uses. In order to confirm that changes in hydrology were a function of land use and not just seasonal variability or sampling error, several analytic techniques were used: a simple comparison of runoff totals, comparison of events, comparison of probability of exceedance for daily runoff, and comparison of predicted and observed runoff using a water balance modelling approach.
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Vervoort, R. W., S. R. Cattle, and B. Minasny. "The hydrology of Vertosols used for cotton production: I. Hydraulic, structural and fundamental soil properties." Soil Research 41, no. 7 (2003): 1255. http://dx.doi.org/10.1071/sr02154.
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This paper describes the hydraulic, structural and fundamental soil properties for 23 Vertosol horizons from 18 sampling sites in New South Wales and southern Queensland. At each site a combination of infiltration measurements and soil sampling was conducted. Samples were collected for determination of the soil water characteristic, shrink–swell relationships, and fundamental soil properties such as particle size distributions, pH, electrical conductivity (EC), exchangeable cations (Ca2+, Mg2+, K+, Na+), extractable P contents, extractable sulfate and Fe contents, and CaCO3 and total C contents. Large cores were sampled, impregnated with resin, and sectioned for image analysis. The program SOLICON v2.1 was used to calculate structural form parameters from the images. Measured hydraulic conductivities of the surface soils were large compared with earlier reported research for Vertosols. However, a sharp decrease in hydraulic conductivity occurred with depth in the profiles, which is assumed to be due to increased bulk densities and exchangeable sodium percentages (ESP). The data also indicated a general north–south trend in the structural development of these Vertosols. Surface soils from the northern areas, such as the Gwydir and Namoi valleys, exhibited more porous structural forms, and as a result, greater average hydraulic conductivities. This appears to be due to differences in ESP, clay content and the mineralogical suite of the clay; surface samples with smaller ESPs and larger proportions of smectitic clay tended to have the greatest values of hydraulic conductivity. Other fundamental soil properties such as extractable Fe and P contents, and CaCO3 content, were found to have little or no correlation to the hydraulic or structural properties of these Vertosols, while differences in measured shrink-swell and water retention properties were largely a function of soil depth. The database developed has given an overview of the hydraulic properties of Vertosols used for cotton production in south-eastern Australia.
Dissertations / Theses on the topic "Watershed hydrology New South Wales"
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Samuel, Jos Martinus. "Effects of multi-scale rainfall variability on flood frequency : a comparative study of catchments in Perth, Newcastle and Darwin, Australia." University of Western Australia. School of Environmental Systems Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0066.
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Issues arising from climate change and long-term natural climate variability have become the focus of much recent research. In this study, we specifically explore the impacts of long-term climate variability and climate changes upon flood frequencies. The analyses of the flood frequencies are carried out in a comparative manner in catchments located in semiarid-temperate and tropical landscapes in Australia, namely Perth, Newcastle and Darwin, using a process-based derived flood frequency approach. The derived flood frequency analyses are carried out using deterministic rainfall-runoff models that capture the intrinsic water balance variability in the study catchments, and driven by temporal rainfall event sequences that are generated by a stochastic rainfall model that incorporates temporal variabilities over a multiplicity of time scales, ranging from within-event, between-event to seasonal, multi-annual and multi-decadal time scales. Six climate scenarios are considered for Newcastle, that combine the ENSO (El Niño Southern Oscillation) and IPO (Inter-decadal Pacific Oscillation) modes of variability, and six different climate scenarios are considered for Perth and Darwin that combine these different ENSO modes and step changes in climate (upwards or downwards) that occurred in 1970 in both regions, which were identified through statistical analysis. The results of the analyses showed that La Niña years cause higher annual maximum floods compared to El Niño and Neutral years in all three catchments. The impact of ENSO on annual maximum floods in the Newcastle catchment is enhanced when the IPO is negative and for Perth, the impact of ENSO weakens in the post-1970 period, while it strengthens in Darwin in the same period. In addition, the results of sensitivity and scenario analyses with the derived flood frequency model explored the change of dominant runoff generation processes contributing to floods in each of the study catchments. These analyses highlighted a switch from subsurface stormflow to saturation excess runoff with a change of return period, which was much more pronounced in Perth and Darwin, and not so in Newcastle. In Perth and Darwin this switch was caused by the interactions between the out-of-phase seasonal variabilities of rainfall and potential evaporation, whereas the seasonality was much weaker in Newcastle. On the other hand, the combination of higher rainfall intensities and shallower soil depths led to saturation excess runoff being the dominant mechanism in Newcastle across the full range of return periods. Consequently, within-storm rainfall intensity patterns were important in Newcastle in all major flood producing events (all return periods), where they were only important in Perth and Darwin for floods of high return periods, which occur during wet months in wet years, when saturation excess runoff was the dominant mechanism. Additionally, due to the possibility of a change of process from subsurface stormflow to saturation excess when conditions suited this switch, the estimates of flood frequency are highly uncertain especially at high return periods (in Darwin and Perth) and much less in Newcastle (when no process change was involved).
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Mooney, Carla Joan. "Evolution, devolution, revolution? an analysis of the legal and adminstrative arrangements for catchment and water planning in South Australia and New South Wales /." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060509.112146/index.html.
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Darbas, Toni School of Science & Technology Studies UNSW. "Democracy, consultation and socio-environmental degradation : diagnostic insights from the Western Sydney/Hawkesbury-Nepean region." Awarded by:University of New South Wales. School of Science and Technology Studies, 2002. http://handle.unsw.edu.au/1959.4/19281.
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The use of community consultation to address socio-environmental degradation is entwined with contested democratic principles polarising views of its role. I frame this problem by examining three democratic paradigms faced with two contemporary problems. The deliberative argument that preferences require enrichment with debate mediates between the liberal-aggregative view that preferences are individual, private and amenable to aggregation and the view that participation in public life is foundational. Viewing consultation as deliberative reconciles the liberal-aggregative view of consultation as the illegitimate elevation of unrepresentative minority groups with the participationist view that consultation constitutes a step towards participatory democracy. Theorists of social reflexivity, however, point to an elided politics of knowledge challenging technoscience's exemption from politically garnered consent. Also neglected by much democratic theory is how functional differentiation renders self-referential legal, political, technoscientific and administrative domains increasingly unaccountable. I employ Habermas' procedural theory that public spheres allow social irritations into the political domain where they can be encoded into laws capable of systemic interjection in response, along with a dialogic extension accommodating the politics of knowledge. I then use this procedural-dialogic deliberative understanding of democracy to elucidate the context and outcomes of the NSW State's consultative strategy. The NSW state, institutionally compelled to underwrite economic growth, implicating itself in that growth's socio-environmental side effects provoking widespread contestation. The resulting Environmental Planning and Assessment Act (1979) and its adjunctive consultative provisions helped highlight the socio-environmental degradation of the Hawkesbury Nepean River Catchment via Western Sydney's urban sprawl, politicising the region. The convenement of a consultative forum to oversee a contaminated site audit within the region facilitated incisive lay critique of the technoscientific underpinnings of administrative underwriting of socio-environmental degradation. The discomforted NSW State tightened environmental policy, gutted the EP&A Act's consultative provisions and removed regional dialogic forums and institutions. I conclude that the socio-economic accord equating economic growth with social progress is both entrenched and besieged, destabilising the political/administrative/technoscientific regime built upon it. This withdrawal of avenues for critique risks deeper estrangement between reflexive society and the NSW State generative of electoral volatility.
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Umakhanthan, Kanagaratnam Civil & Environmental Engineering Faculty of Engineering UNSW. "Estimation of the spatio-temporal heterogeneity of rainfall and its importance towards robust catchment simulation, within a hydroinformatic environment." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2002. http://handle.unsw.edu.au/1959.4/18668.
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Rainfall is a natural process, which has a high degree of variability in both space and time. Information on the spatial and temporal variability of rainfall plays an important role in the process of surface runoff generation. Hence it is important for a variety of applications in hydrology and water resources management. The spatial variability of rainfall can be substantial even for very small catchments and an important factor in the reliability of rainfall-runoff simulations. Catchments in urban areas usually are small, and the management problems often require the numerical simulation of catchment processes and hence the need to consider the spatial and temporal variability of rainfall. A need exists, therefore, to analyse the sensitivity of rainfall-runoff behaviour of catchment modelling systems (CMS) to imperfect knowledge of rainfall input, in order to judge whether or not they are reliable and robust, especially if they are to be used for operational purposes. Development of a methodology for identification of storm events according to the degree of heterogeneity in space and time and thence development of a detailed spatial and temporal rainfall model within a hydroinformatic environment utilising real-time data has been the focus of this project. The improvement in runoff prediction accuracy and hence the importance of the rainfall input model in runoff prediction is then demonstrated through the application of a CMS for differing variability of real storm events to catchments with differing orders of scale. The study identified both spatial and temporal semi-variograms, which were produced by plotting the semi-variance of gauge records in space and time against distance and time respectively. These semi-variograms were utilised in introducing estimators to measure the degree of heterogeneity of each individual storm events in their space and time scale. Also, the proposed estimators use ground based gauge records of the real storm events and do not rely on delicate meteorological interpretations. As the results of the investigation on the developed semi-variogram approach, real storm events were categorised as being High Spatial-High Temporal (HS-HT); High Spatial-Low Temporal; (HS-LT); Low Spatial-High Temporal (LS-HT); and Low Spatial-Low Temporal variability.A comparatively detailed rainfall distribution model in space and time was developed within the Geographical Information Systems (GIS). The enhanced rainfall representation in both space and time scale is made feasible in the study by the aid of the powerful spatial analytic capability of GIS. The basis of this rainfall model is an extension of the rainfall model developed by Luk and Ball (1998) through a temporal discretisation of the storm event. From this model, improved estimates of the spatially distributed with smaller time steps hyetographs suited for especially the urban catchments could be obtained. The importance of the detailed space-time rainfall model in improving the robustness of runoff prediction of CMS was investigated by comparing error parameters for predictions from CMS using alternate rainfall models, for various degrees of spatiotemporal heterogeneity events. Also it is appropriate to investigate whether the degree of this improvement to be dependent on the variability of the storm event which is assessed by the adopted semi-variogram approach. From the investigations made, it was found that the spline surface rainfall model, which considered the spatial and temporal variability of the rainfall in greater detail than the Thiessen rainfall model resulted in predicted hydrographs that more closely duplicated the recorded hydrograph for the same parameter set. The degree of this improvement in the predicted hydrograph was found to be dependent on the spatial and temporal variability of the storm event as measured by the proposed semi-variogram approach for assessing this feature of a storm event. The analysis is based on forty real events recorded from the Centennial Park Catchment (1.3km2) and the Upper Parramatta River Catchment (110km2) in Sydney, Australia. These two case study catchments were selected to ensure that catchment scale effects were incorporated in the conclusions developed during the study.
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Kemp, Justine. "The Hydrology, Geomorphology and Quaternary Palaeochannels of the Lachlan Valley, New South Wales." Phd thesis, 2001. http://hdl.handle.net/1885/9241.
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This thesis examines the present-day and Late Quaternary fluvial
geomorphology and hydrology of the upper Lachlan Valley in central western
New South Wales. The sediments and morphology of the channel and
floodplain are described from its principal alluvial reaches: the confined, single channel reach from Cowra to Gooloogong, the unconfined, single-channel reach
between Gooloogong and Cadow, and the anabranching reach on the Condobolin Plain.
Present-day channel and floodplain morphology in single-channel reaches of
the Lachlan River is dominated by the highly variable hydrologic regime, which
is accentuated in confined reaches of the river, but is also influenced by
inherited channel forms. In confined reaches, where the effective floodplain is
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Mazur, Katarzyna Malgorzata. "Choice modelling in the development of Natural Resource Management Strategies in NSW catchments." Phd thesis, 2010. http://hdl.handle.net/1885/150649.
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Australian public awareness of natural resource management (NRM) issues relating to environmental conditions has been heightened in recent years. However, due to government budget limitations only some of the environmental problems can be addressed. This raises the question of how available funds should be allocated in order to achieve improved resource use efficiency. The motivation for this research arises from the need for a better understanding of how non-market values can be used in the NRM investment prioritisation processes to enable a comprehensive cost benefit analysis of different resource allocation options. The objective of this research was to explore the application of choice modelling (CM) to elicit the values of New South Wales (NSW) residents for a range of environmental and social changes provided by potential NRM investments in NSW catchments. The estimated environmental and social values are inputs to bio-economic optimisation modelling tools used by Catchment Management Authorities to determine land use changes that can provide improved net benefits to society over time. A further objective of this research was to explore scope, scale effects, the distance effect and ways of improving incentive compatibility of the CM technique. These three methodological issues were investigated to ensure an appropriate use of non-market values for NRM assessments at both catchment and farm levels as well as more accurate extrapolations of non-market values from the case studies to wider application. In order to provide improved result credibility for the policy process, the inclusion of a provision rule directed at incentive compatibility was also tested. Fourteen sub-samples for three case study catchments - Namoi, Lachlan and Hawkesbury-Nepean - were used for the analysis. The results of this study highlight the importance of accounting for variations in values held by different respondent community locations. Most of the differences in preferences for NRM changes were found between rural and urban communities. The semi-rural characteristics of the Hawkesbury-Nepean catchment community and the close proximity of this catchment to the Sydney urban centre exhibit similar views on NRM actions in this catchment. The results show a higher per unit willingness to pay for a greater scale of provision of non-market attributes, as well as when the good is presented at a smaller scope. The results of this study have not shown a significant impact for including a provision rule on respondent preferences, suggesting a further investigation of a stronger provision rule with a combination of different elicitation formats. The CM application presented for NRM and the three methodological issues investigated in this study provide a significant contribution to more comprehensive and accurate cost benefit analyses of NRM investments in NSW catchments and beyond. The CM approach to eliciting non-market values is suitable for NRM assessments and provides a basis for benefit transfer of these values to similar studies across Australia. Clarifications of scope, scale, location and distance effect terminologies contribute to non-market valuation knowledge of the use of these terminologies so often confused in the literature and provide a clearer understanding of their practical implications in NRM assessments. Investigation of new ways of dealing with incentive compatibility in CM field experiments undertaken in this study also opens opportunities for future research in this area.
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Ticehurst, Jenifer Lyn. "Hydrological analysis for the integration of tree belt plantations into Australian's agricultural systems." Phd thesis, 2004. http://hdl.handle.net/1885/148558.
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Sadoddin, Amir. "Bayesian network models for integrated catchment-scale management of salinity." Phd thesis, 2006. http://hdl.handle.net/1885/150932.
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Koehn, John Desmond. "The ecology and conservation management of Murray Cod Macullochella peelii peelii." 2006. http://repository.unimelb.edu.au/10187/2864.
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Murray cod Maccullochella peelii peelii is an iconic freshwater angling species that has suffered declines in abundance and is now listed as a nationally vulnerable species. Despite recognition of the need for biological knowledge to provide future management directions, little is known of its ecology. This thesis examines that ecology to provide new knowledge and recommendations for improved conservation management. (For complete abstract open document)
Books on the topic "Watershed hydrology New South Wales"
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Kellett, J. R. Hydrogeochemistry of the upper Hunter River valley, New South Wales. Canberra: Australian Govt. Pub. Service, 1989.
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Peter, Laut, ed. Hydrologic classification of sub-basins in the Macleay Valley, New South Wales. Melbourne: Commonwealth Scientific and Industrial Research Organization, Australia, 1985.
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P, Laut, and Commonwealth Scientific and Industrial Research Organization. Division of Water and Land Resources., eds. Hydrological classification of sub-basins in the Macleay Valley, New South Wales. Melbourne: Commonwealth Scientific and Industrial Resarch Organization, Australia, 1985.
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Boon, Paul. The Hawkesbury River. CSIRO Publishing, 2017. http://dx.doi.org/10.1071/9780643107601.
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The Hawkesbury River is the longest coastal river in New South Wales. A vital source of water and food, it has a long Aboriginal history and was critical for the survival of the early British colony at Sydney. The Hawkesbury’s weathered shores, cliffs and fertile plains have inspired generations of artists. It is surrounded by an unparalleled mosaic of national parks, including the second-oldest national park in Australia, Ku-ring-gai National Park. Although it lies only 35 km north of Sydney, to many today the Hawkesbury is a ‘hidden river’ – its historical and natural significance not understood or appreciated.
Until now, the Hawkesbury has lacked an up-to-date and comprehensive book describing how and when the river formed, how it functions ecologically, how it has influenced humans and their patterns of settlement and, in turn, how it has been affected by those settlements and their people. The Hawkesbury River: A Social and Natural History fills this gap. With chapters on the geography, geology, hydrology and ecology of the river through to discussion of its use by Aboriginal and European people and its role in transport, defence and culture, this highly readable and richly illustrated book paints a picture of a landscape worthy of protection and conservation. It will be of value to those who live, visit or work in the region, those interested in Australian environmental history, and professionals in biology, natural resource management and education.
Book chapters on the topic "Watershed hydrology New South Wales"
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"The Ecology and Management of Wood in World Rivers." In The Ecology and Management of Wood in World Rivers, edited by TIMOTHY B. ABBE, ANDREW P. BROOKS, and DAVID R. MONTGOMERY. American Fisheries Society, 2003. http://dx.doi.org/10.47886/9781888569568.ch20.
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<em>Abstract.</em>—Wood induces hydraulic, morphologic, and textural complexity into fluvial systems in forested regions around the world. Snags and logjams can create complex networks of channels and wetlands across entire river valleys and historically posed a significant obstacle to navigation. The clearing of wood from channels and riparian forest land reduced or eliminated the quantity and supply of wood into rivers in many regions of the world. Ecological restoration of fluvial environments increasingly includes the placement of wood. But few guidelines exist on appropriate methods for emulating natural wood accumulations, where and how to place wood, its longevity, the hydraulic and geomorphic consequences of wood, and how to manage systems where wood is reintroduced. Important factors to understand when placing wood in rivers include the watershed and reach-scale context of a project, the hydraulic and geomorphic effects of wood placements, possible changes in wood structures over time, and how it may impact human infrastructure and safety. Engineered logjams constructed in Washington, USA and New South Wales, Australia offer examples of how wood reintroduction can be engineered without the use of artificial anchoring to form stable instream structures as part of efforts to rehabilitate fluvial ecosystems and provide ecologically sensitive means to treat traditional problems such as bank stabilization and grade control.
Conference papers on the topic "Watershed hydrology New South Wales"
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"Linking wetland hydrology to ecological outcomes in the Lowbidgee wetlands in Southern New South Wales." In 19th International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2011. http://dx.doi.org/10.36334/modsim.2011.e15.wen.
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