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  • Department of Water, Land and Biodiversity Conservation, Adelaide, SA  (16)
  • English  (16)
  • Romanian
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  • 2015-2019
  • 2010-2014  (16)
  • 2010  (16)
  • 1
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Resource Assessment Branch of the Department of Water Land and Biodiversity Conservation (DWLBC) is currently undertaking the ‘Northern Adelaide Plains Prescribed Wells Area Well Investigation Project’ for the Northern Adelaide and Barossa Catchment Water Management Board (NABCWMB). This report provides an overview of the issues, results to date and future directions for the project. Stage 1 of the Leaky Wells Project is designed to audit and compile an accurate list of licensed irrigation wells within the Northern Adelaide Plains (NAP) Prescribed Wells Area (PWA). Of these licensed wells pumped salinity samples were to be collected by the licence holder and submitted for analysis. From a review of these wells and recorded salinity information all wells determined to be contaminating the major production aquifers were to be identified, investigated and remedial action undertaken. Stage 2 of the Leaky Wells Project aimed to assess the condition of the 2868 abandoned and disused wells throughout the NAP. As mentioned in the Administrative Agreement, it was expected that this phase of the project would be the most intensive, requiring considerable field investigations to determine the locations and current condition of these wells.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 75 S.
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  • 2
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Barossa Basin is a complex hydrogeological environment containing a sedimentary aquifer system surrounded and underlain by a dual porosity fractured rock aquifer. The hydraulic relationship between the fractured rock aquifer and the sedimentary aquifers is poorly understood. The difficulties in describing the movement of groundwater through dual porosity media such as a fractured rock aquifer are well documented. While groundwater flow in the sedimentary aquifers can be adequately described using porous media flow techniques in the Barossa Basin, our understanding of interconnectivity between individual sedimentary aquifers is again poor. The Basin itself is narrow and, immediately adjacent to the Stockwell Fault on the eastern side of the valley, relatively deep (~200 m). Sediments deposited into the trough consisted of mainly discontinuous sequences of overlapping sands and carbonaceous clays. This was followed by the deposition of gravels, sands and clays that form the Barossa Valley as it is today. Various authors have sub-divided the geology into individual hydrostratigraphical units. However, a review of the literature highlighted inconsistencies in the number of aquifers recognised, their exact spatial distribution within the Basin, and that there have been changes in nomenclature that are not satisfactorily described. This has resulted in some confusion that requires clarification ...
    Description: report
    Keywords: 551 ; UDY 000 ; URY 250 ; UQK 400 ; VBQ 900 ; VES 500 ; Australien und Ozeanien {Hydrologie} ; Karten: South Australia ; Karten zur Hydrogeologie ; Hydrogeologie einzelner Regionen ; South Australia {Geologie}
    Language: English
    Type: article , publishedVersion
    Format: 90 S.
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  • 3
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Aquifer Storage and Recovery (ASR) has the potential to utilise surface water resources, including urban stormwater runoff and treated wastewater that is largely wasted; thereby relieving the pressure on groundwater resources. In the broader sense, opportunities exist to use ASR to rethink our traditional water management and distribution policies, and to provide cost-effective and innovative alternatives to current methods of water supply. In South Australia, an increasing amount of stress is being placed on surface and groundwater resources to meet demands from expanding irrigated horticultural areas and urban populations. ASR can be used to reduce some of the pressure on traditional supplies of water, especially in metropolitan areas. But the sources of water for ASR must be carefully considered especially in rural areas so as not to shift the burden from one water supply source to another. A number of issues surround the use of ASR as a water management solution and these relate principally to water quality and water quantity. In rural areas, for example, the 'harvesting' of water from creeks and streams may result in extra pressure on an already stressed resource by further reducing the amount of water available to the environment. In urban areas the expanse of paved surfaces provides an ideal medium to capture large volumes of stormwater runoff. However, the volumes are often well in excess of any potential local demand. Understanding ASR technology ensures success in almost all situations ...
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 63 S.
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  • 4
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Groundwater is Eyre Peninsula's most precious resource and has become the sole source of reticulated water to meet potable and industrial demand. Water resources on Eyre Peninsula are scarce and fragile, particularly in the low rainfall regions, with few reliable freshwater streams and the groundwater availability is highly variable. The groundwater recharge and hence the security of the resource, is highly dependent upon local rainfall, landcover and landuse. Surface water is scarce and unreliable, and reticulated water is limited. Difficulty in accessing water resources has placed both a social and economic burden on the rural community throughout the region. The information contained on the CD will provide a vital framework for the future management planning of the available resources in the region.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 12 S.
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  • 5
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Lincoln on Eyre Peninsula. It covers an area of ~70 km2 and comprises all or parts of the Hundreds of Lincoln, Wanilla, Lake Wangary, Uley, Sleaford and Flinders. The boundaries of the area are presented on Figure 1. In general water resources are limited in occurrence throughout the Eyre Peninsula. In the Southern Basins there is very little available surface water with one permanent and two ephemeral saline lakes, and two brackish lakes that feed ephemeral watercourses. However, there are moderately good supplies of groundwater resources, which provide a large part of the reticulated water supply for the Eyre Peninsula. The area is generally characterised by undulating topographic relief typical of an ancient dunal system with dramatic coastal cliffs and large internal drainage catchments. Ground level elevations range from 140 m coastal cliffs to inland depressions reaching near sea level to bedrock highs exceeding 200 m. The area incorporates the Kellidie Bay and Sleaford Mere Conservation Parks and parts of the Lincoln and Coffin Bay National Parks, which are managed under the National Parks and Wildlife Act 1972. Pursuant to this Act, park management plans have been prepared for the Lincoln and Coffin Bay National Parks and Kellidie Bay Conservation Park ...
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 32 S.
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  • 6
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Saunders Creek is a tributary catchment for the River Murray which generates ephemeral flows in very wet years. Concerns have been expressed at the construction of large dams in the headwaters of the catchment, and their impacts on streamflow, and consequently recharge to aquifers. The catchment can be divided into two distinct groundwater regions: the Hills Zone and the Plains Zone. The Hills Zone comprises the consolidated basement rocks of the Mount Lofty Ranges, which form fractured rock aquifers. Borehole yields are generally low and salinities vary, apart from the western portion of the catchment where better quality water is drawn. The Plains Zone is underlain by unconsolidated sediments of the Murray Basin. The main aquifer is the Murray Group Limestone, which is utilised for domestic and stock purposes and is recharged mainly by infiltration of streamflow.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 22 S.
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  • 7
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Noora Prescribed Wells Area (PWA) lies over the deepest part of the Murray Basin in the far eastern boundary of South Australia (Fig. 1). It is bordered to the north by the River Murray, to the east by the South Australia Victoria border, to the south by the southern border of the Hundred of Bookpurnong and the west by a line parallel to and 20 km west from the South Australia Victoria border. Two aquifers are monitored in the Noora PWA: the Pliocene Sands Aquifer (topmost and unconfined) and the confined Murray Group Limestone Aquifer. Both aquifers contain mostly poor quality water with current limited use only for stock, but with potential uses for mining and industry. Groundwater flows in a westerly direction in each aquifer towards the River Murray. A third aquifer underlies the Murray Group Limestone Aquifer: the Renmark Group Aquifer. No current water level data is available for this aquifer system in the Noora PWA and it was therefore omitted from this monitoring report. There have been three main impacts of human settlement on the Noora PWA: land clearance, irrigation and the construction of the Noora Disposal Basin. All three have altered the hydrogeological balance in the Noora PWA by causing a rise in the watertable.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 23 S.
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  • 8
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The South Australian Government, through the Department of Water, Land and Biodiversity Conservation (DWLCB) is responsible for the management of the State's groundwater resources. As a part of its role, the DWLCB monitors and maintains an extensive statewide groundwater monitoring network. Ground water monitoring has been undertaken in parts of the South East of South Australia for more than 30 years. The two main parameters used to measure the condition of the groundwater resources are water levels and salinity. Over time, a history of the condition of the aquifers has been established from this baseline information, enabling longer term and short-term changes to be identified and correlated with either natural (e.g. climatic) or man-induced changes (e.g. irrigation, development). This report is compiled for the South East Catchment Water Management Board (SECWMB) and displays a snapshot of data collected for the South East region up until June 2002.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 46 S.
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  • 9
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Concerns have been raised about the environmental weed risk of non-indigenous plants promoted for broad scale revegetation and farm forestry purposes in South Australia (SA). Environmental weeds are plant species that invade and dominate natural habitats beyond the species' native range. The wide scale planting of species for revegetation, forestry, agriculture and horticulture increases the likelihood that some species will naturalise (i.e., form a self-sustaining population) and invade native vegetation or other landuse systems. However, analyses of past invasions have shown that the majority of plant species introductions will be of negligible weed risk. In 2001 the PIRSA Revegetation Program and the State Revegetation Committee of South Australia commissioned the Animal and Plant Control Commission (APCC) to undertake a weed risk assessment of 20 plant species. Weed risk assessment is the use of standard, technical criteria to determine the relative weed threats posed by plant species ...
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 184 S.
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  • 10
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Mt Lofty Ranges Water Resources Assessment Program is an initiative of the Department of Water, Land and Biodiversity Conservation. The purpose of the Program is to quantify and assess the condition of surface and groundwater resources of the Mt Lofty Ranges Region. The assessments undertaken within the Program include hydrological modelling, reviews of the surface water monitoring network, the construction of new streamflow gauging stations, and the determination of environmental flows. These assessments are undertaken in partnership with other relevant agencies including catchment water management boards, the Environment Protection Authority, and the South Australian Water Corporation. This study is one of several comprehensive hydrological assessments of priority catchments in the region. Being the first, it provides an important technical foundation for collated reports assessing the resources across the region. In turn, these collated reports will inform policy decisions that will be made on future management of the natural resources in the region.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 154 S.
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  • 11
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Transmissivity and storage coefficients are important properties in the characterisation of aquifers. Transmissivities and storage coefficients have been calculated from aquifer test programs for all known wells from the Tertiary Limestone Aquifer in the Lower South-East and located within the study area. The Tertiary Limestone Aquifer consists of the Gambier Limestone in the Gambier Basin. Transmissivity and specific yield data for the Tertiary Limestone Aquifer (unconfined aquifer) were collated and examined for their reliability. Most of the reported data were of low reliability. Limited data was collected from aquifer tests using one or more observation wells. Some of the observation wells were completed within different intervals from that of the production well. Therefore the specific yield values obtained were rated ‘low’ reliability. Specific capacity data are usually more abundant than aquifer test data and is used as a measure of the productivity of a well. An empirical relationship was established between transmissivity values calculated from aquifer tests and their related specific capacity data. The resulting best-fit line is T = 3.95 x SC0.89 with R2 = 82.
    Description: report
    Keywords: 551 ; UDY 000 ; VBQ 800 ; VBQ 900 ; Australien und Ozeanien {Hydrologie} ; Aquifere {Hydrogeologie} ; Hydrogeologie einzelner Regionen
    Language: English
    Type: article , publishedVersion
    Format: 48 S.
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  • 12
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Scott Creek Catchment is the first of a number of catchments that will be used as case studies to investigate the sustainability of groundwater resources in the Mount Lofty Ranges over the next 45 years. This report provides a collation of background information for the Scott Creek Catchment including geological, hydrological, meteorological and surface water quality data. Site selection criteria, drilling methods, construction details and lithological logs are presented for the first phase of drilling in this catchment. A total of nine wells (one completed in the Quaternary alluvium and eight in the fractured Woolshed Flat Shale) were drilled at strategic locations on either side of Scott Creek upstream of the weir at Scott Bottom. These wells will be used for a variety of hydraulic and hydrochemical tests to define the local hydrogeology in terms of streamaquifer interactions and groundwater recharge and flow rates.
    Description: report
    Keywords: 551 ; UDY 000 ; VBQ 900 ; Australien und Ozeanien {Hydrologie} ; Hydrogeologie einzelner Regionen
    Language: English
    Type: article , publishedVersion
    Format: 47 S.
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  • 13
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: South Australia's natural resources are fundamental to the economic and social wellbeing of the state. One of the state's most precious natural resources, water is a basic requirement of all living organisms and is one of the essential elements ensuring biological diversity of life at all levels. In pristine or undeveloped situations, the condition of water resources reflects the equilibrium between rainfall, vegetation and other physical parameters. Development of these resources changes the natural balance and may cause degradation. If degradation is small, and the resource retains its utility, the community may assess these changes as being acceptable. However, significant stress will impact on the ability of a resource to continue to meet the needs of users and the environment. Understanding the cause and effect relationship between the various stresses imposed on the natural resources is paramount to developing effective management strategies. Reports of investigations into the availability and quality of water supplies throughout the state aim to build upon the existing knowledge base, enabling the community to make informed decisions concerning the future management of the natural resources, thus ensuring conservation of biological diversity.
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 46 S.
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  • 14
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Prescribed Wells Area (PWA) was established in the early 1960s, in order to monitor groundwater levels and salinity (Fig. 1). The number of wells monitoring water levels, particularly in the Tertiary Aquifers (T1 and T2) has been increasing in response to groundwater extraction for irrigation purposes. In the last two years the observation network was upgraded with 20 new and two replacement observation wells completed into T1 and T2 Aquifers. The purpose of a successful network is to identify areas that may be under stress because of over-pumping of groundwater or areas that may be at risk from salinisation. The introduction of the reclaimed water through the Virginia pipeline scheme required establishment of an observation network (1999), which targeted the area in which the bulk of the recycled water is to be applied and therefore should provide sufficient early warning should there be any unacceptable accessions to the perched watertable and Q1 Aquifer. During OctoberNovember 2001, this network was upgraded by thirteen shallow monitoring wells (perched watertable and Q1 Aquifer), which were installed as a part of a hydrogeological investigation in response to reports of rising shallow watertables in the area northwest of Virginia. These wells were included in the existing network and are monitored every three months. Four wells from this network are equipped with data loggers. Currently, a total of 165 wells throughout the NAP PWA and Kangaroo Flat Restricted Area are monitoring groundwater levels ...
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 52 S.
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  • 15
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: The Musgrave Prescribed Wells Area (PWA) is located around the township of Elliston on Eyre Peninsula. It covers an area of ~3595 km2 and comprises all the Hundreds of Colton, Talia, Tinline, Squire, Ward, Hudd, Kappawanta, Blesing, Way, Pearce and Haig (Fig. 1). It also incorporates the towns of Elliston and Bramfield. In general, water resources are limited in occurrence throughout Eyre Peninsula. In the Musgrave PWA there is very little available surface water, however there are moderately good supplies of groundwater. The area is generally characterised by undulating topographic relief typical of an ancient dunal system with dramatic coastal cliffs and large internal drainage catchments. Ground level elevations range from 100 m coastal cliffs to inland depressions reaching near sea level to bedrock highs exceeding 240 m. The area incorporates the Lake Newland and part of the Bascombe Well Conservation Parks which are managed under the National Parks and Wildlife Act 1972. Pursuant to this Act, the management plan for the Lake Newland Conservation Park is in preparation ...
    Description: report
    Keywords: 910 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 30 S.
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  • 16
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    Department of Water, Land and Biodiversity Conservation, Adelaide, SA
    Publication Date: 2021-03-29
    Description: Water well monitoring data from wells on Aboriginal lands (Pitjantjatjara, Yalata, Nepabunna and Oak Valley) are summarised for the period April 2001 to May 2002. This report also shows plots and analysis of all data for each well since monitoring began. In the Pitjantjatjara lands aquifers at all communities except Kalka, Mimili and Fregon showed significant recharge and water levels have recovered to, or are above, the levels recorded at the time of drilling. The three exceptions are probably extensive aquifers that have generally been free from signs of depletion. The only community for which there is any short term (5-10 years) concern is Indulkana. Whilst there was recharge to the older wells, the community now relies on the Indulkana Range wells for a larger portion of its water supply. The aquifer in which these wells is completed was not recharged and water levels are declining. At Nepabunna supplies are still marginal and the heavy pumping regime has made monitoring insensitive to small but possibly significant changes. Modification of the monitoring is required, preferably with separate monitoring wells. The Yalata aquifer is unaffected by pumping, but the groundwater level appears to be declining by natural drainage. No recharge is observed. Oak Valley supplies have held up remarkably well, but are still regarded as fragile. Stringent water management is essential if the additional costs of importing water are to be avoided.
    Description: report
    Keywords: 551 ; UDY 000 ; Australien und Ozeanien {Hydrologie}
    Language: English
    Type: article , publishedVersion
    Format: 134 S.
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