Academic literature on the topic 'Hawkesbury River Region'

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Journal articles on the topic "Hawkesbury River Region"

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C. Chessman, Bruce, and Simon A. Williams. "Biodiversity and conservation of river macroinvertebrates on an expanding urban fringe: western Sydney, New South Wales, Australia." Pacific Conservation Biology 5, no. 1 (1999): 36. http://dx.doi.org/10.1071/pc990036.

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As in many growing urban areas, the prevention of environmental damage as Sydney spreads westward into the Hawkesbury-Nepean River basin is a major challenge for planners, managers and the local community, We surveyed macroinvertebrates at 45 river and stream sites in April-June 1996, and reviewed data from other sources, in order to assess the issues involved in conservation of the lotic macro invertebrate fauna, Regional richness is high with 443 recorded species and morphospecies, Cluster analysis showed community pattems related mainly to waterway size (separating the Hawkesbury-Nepean River from tributary streams), geology (tributaries on shale or sandstone), tidal intrusion and urbanization (impoverished faunas in urban streams). The ability of genus richness of mites and major insect orders to reflect overall genus richness at a site was limited, and Diptera and Trichoptera appear to have the greatest value as biodiversity predictors. Urban expansion is the major threat to lotic macro invertebrate communities in the region, but agriculture, flow regulation, sand and gravel ex1raction and introduced species have probably also impacted on the fauna, Streams with high conservation value for macroinvertebrates include those few on the Cumberland Plain and surrounding slopes that retain substantial indigenous vegetation in relatively undeveloped catchments. The Hawkesbury-Nepean River sfill harbours a rich faunal community and is also important for conservation, The development of effective strategies for conservation assessment and management is problematic for several reasons, Some species in the region are known to be vulnerable, but the status of most cannot be assessed because of a lack of taxonomic and zoogeographic information, Most "biodiversity indicator" concepts are of dubious value for aquatic macroinvertebrate conservation. A multi-faceted management approach emphasizing subcatchment reserves, riparian restoration and the control of threatening processes is required.
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Pinto, Uthpala, Basant L. Maheshwari, Surendra Shrestha, and Charles Morris. "Understanding the meaning of river health for a community: perspectives from the peri-urban region of the Hawkesbury–Nepean catchment, Australia." Water Policy 14, no. 5 (June 4, 2012): 766–83. http://dx.doi.org/10.2166/wp.2012.074.

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In this study, we explored what river health means to ordinary citizens in the community through a survey of residents (n = 302) living in the peri-urban region of the Hawkesbury–Nepean River catchment in south-east Australia. Community responses concerning the meaning of river health included explanations that were simple and used everyday words but integrated a number of perspectives of the river as a natural and community resource which have often been lacking in descriptions pursued by experts and government agencies. A considerable proportion of participants surveyed related river health to its ecological integrity, visual appeal, hydrologic balance and ability to serve the community. The description of river health was not really affected by participants' age, gender or the distance they live from the river. The study provides a number of insights that can assist in the engagement of communities in future river monitoring and management programmes.
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Munawar, Hafiz Suliman, Mohammad Mojtahedi, Ahmed W. A. Hammad, Michael J. Ostwald, and S. Travis Waller. "An AI/ML-Based Strategy for Disaster Response and Evacuation of Victims in Aged Care Facilities in the Hawkesbury-Nepean Valley: A Perspective." Buildings 12, no. 1 (January 14, 2022): 80. http://dx.doi.org/10.3390/buildings12010080.

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The Hawkesbury-Nepean Valley, Australia’s longest coastal catchment, is spanned by a river system of more than 470 km, that runs from Goulburn to Broken Bay, covering a total area of over 2.2 million hectares. This region has remained prone to flood events, with considerable mortalities, economic impacts and infrastructural losses occurring quite regularly. The topography, naturally variable climatic conditions and the ‘bathtub’ effect in the region are responsible for the frequent flood events. In response, the Government at the national/federal, state and local level has focused on the design of efficient flood risk management strategies with appropriate evacuation plans for vulnerable communities from hospitals, schools, childcare and aged care facilities during a flood event. Despite these overarching plans, specialized response and evacuation plans for aged care facilities are critical to reducing the loss incurred by flood events in the region. This is the focus of this present paper, which reviews the history of flood events and responses to them, before examining the utilization of artificial intelligence (AI) techniques during flood events to overcome the flood risks. An early flood warning system, based on AI/Machine Learning (ML) strategy is being suggested for a timely decision, enhanced disaster prediction, assessment and response necessary to overcome the flood risks associated with aged care facilities within the Hawkesbury-Nepean region. A framework entailing AI/ML methods for identifying the safest route to the destination using UAV and path planning has been proposed for timely disaster response and evacuation of the residents of aged care facilities.
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Rogers, T., G. Eldershaw, and E. Walraven. "Reproductive success of little penguins, Eudyptula minor, on Lion Lsland, New South Wales." Wildlife Research 22, no. 6 (1995): 709. http://dx.doi.org/10.1071/wr9950709.

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Little penguins, Eudyptula minor, were once common along the Sydney coastline; however, today almost all breeding penguins in the region are found on a small island in the mouth of the Hawkesbury River. During a four-year study, the reproductive success of breeding birds on Lion Island was higher and less variable than that reported from other areas. The early commencement of breeding, and the high and stable breeding success during the study suggested that the colony had access to an abundant and stable food source. In addition, success was not reduced by introduced predators and human disturbance is relatively low. However, continued monitoring will be required to gain accurate information on the long-term viability of this colony as penguin breeding success is known to fluctuate widely between years.
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Attenbrow, V., R. Bryant, T. Corkill, R. Pogson, and P. Grave. "Geological sources and chronological change in ground-edged artefacts of the Hawkesbury region, the Sydney Basin: A Macdonald River case study." Journal of Archaeological Science: Reports 24 (April 2019): 631–39. http://dx.doi.org/10.1016/j.jasrep.2019.01.025.

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Kelly, Matthew, and Yuriy Kuleshov. "Flood Hazard Assessment and Mapping: A Case Study from Australia’s Hawkesbury-Nepean Catchment." Sensors 22, no. 16 (August 19, 2022): 6251. http://dx.doi.org/10.3390/s22166251.

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Floods are among the costliest natural hazards, in Australia and globally. In this study, we used an indicator-based method to assess flood hazard risk in Australia’s Hawkesbury-Nepean catchment (HNC). Australian flood risk assessments are typically spatially constrained through the common use of resource-intensive flood modelling. The large spatial scale of this study area is the primary element of novelty in this research. The indicators of maximum 3-day precipitation (M3DP), distance to river—elevation weighted (DREW), and soil moisture (SM) were used to create the final Flood Hazard Index (FHI). The 17–26 March 2021 flood event in the HNC was used as a case study. It was found that almost 85% of the HNC was classified by the FHI at ‘severe’ or ‘extreme’ level, illustrating the extremity of the studied event. The urbanised floodplain area in the central-east of the HNC had the highest FHI values. Conversely, regions along the western border of the catchment had the lowest flood hazard risk. The DREW indicator strongly correlated with the FHI. The M3DP indicator displayed strong trends of extreme rainfall totals increasing towards the eastern catchment border. The SM indicator was highly variable, but featured extreme values in conservation areas of the HNC. This study introduces a method of large-scale proxy flood hazard assessment that is novel in an Australian context. A proof-of-concept methodology of flood hazard assessment developed for the HNC is replicable and could be applied to other flood-prone areas elsewhere.
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Li, Junde, Moninya Roughan, Colette Kerry, and Shivanesh Rao. "Impact of Mesoscale Circulation on the Structure of River Plumes During Large Rainfall Events Inshore of the East Australian Current." Frontiers in Marine Science 9 (March 3, 2022). http://dx.doi.org/10.3389/fmars.2022.815348.

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Estuarine outflow can have a significant impact on physical and ecological systems in the coastal ocean. Along southeastern Australia, inshore of the East Australian Current, the shelf is narrow, the coastal circulation is advection dominated, and river estuarine outflow tends to be low, hence river plumes have largely been ignored. For these reasons, we lack an understanding of the spatial and temporal evolution of river plumes during large rainfall events (which are projected to increase in frequency and intensity), and the interaction of the mesoscale circulation with the estuarine outflow remains to be explored. Using a high-resolution (750 m) hydrodynamic model, we simulate idealized plumes from 4 estuaries during three different mesoscale circulation scenarios and investigate the spatial and temporal evolution of the estuarine outflow under two contrasting rainfall events (normal and large). We explore the plume from the largest of the 4 rivers, the Hawkesbury River, to understand the impact of the mesoscale circulation. During the first EAC mode, the plume spreads both northward and southeastward. The offshore spread of the plume is the largest in this scenario (~12.5 km east of the river mouth) in the wet event. In the second EAC mode, this plume dispersal is toward the north and east, driven by the proximity of a cyclonic eddy on the shelf, with an eastward extension of 11 km. In the third EAC mode, most of this river plume spreads southward with some to the north, again dictated by the position of the cyclonic eddy. The cross-shelf dispersal is a minimum of 9.5 km from the river mouth. It takes around 6 days for the freshwater spatial extent of the plume in the wet event to return to the base case. These results show the importance of mesoscale EAC circulation on the shelf circulation when considering river plumes dispersal. Knowledge of the ultimate fate of riverborne material, dilution and cumulative effects will enable better environmental management of this dynamic region for the local government.
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Dissertations / Theses on the topic "Hawkesbury River Region"

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Darbas, Toni School of Science &amp 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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Books on the topic "Hawkesbury River Region"

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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.
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Bell, Stephen, Christine Rockley, and Anne Llewellyn. Flora of the Hunter Region. CSIRO Publishing, 2019. http://dx.doi.org/10.1071/9781486311033.

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The Hunter Region, between the Hawkesbury and Manning rivers in eastern New South Wales, hosts a rich diversity of vegetation, with many species found nowhere else. Spanning an area from the coast to the tablelands and slopes, its rainforests, wet and dry sclerophyll forests, woodlands, heathlands, grasslands and swamps are known for their beauty and ecological significance. Flora of the Hunter Region describes 54 endemic trees and large shrubs, combining art and science in a manner rarely seen in botanical identification guides. Species accounts provide information on distribution, habitat, flowering, key diagnostic features and conservation status, along with complete taxonomic descriptions. Each account includes stunning botanical illustrations produced by graduates of the University of Newcastle's Bachelor of Natural History Illustration program. The illustrations depict key diagnostic features and allow complete identification of each species. This publication will be a valuable resource for those interested in the plants of the region, including researchers, environmental consultants, horticulturalists and gardeners, bush walkers, herbaria, and others involved in land management.
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