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Showing results for: [ Water Resources Engineering ]
This project represents the first attempt to characterize the interaction between largely undeveloped catchments and the coastal environment of the Kimberley and the role large coastal inlets play in ... moretransforming material transported from those catchments during large flows before it reaches the coast. This project has also attempted to provide the first assessment of how future changes in climate might impact these processes. Future climate scenarios suggest there is not a great difference in mean rainfall or flows between the three possible future climates and the Historical sequence. To investigate the physical-biogeochemical interactions in this region, a second model was established with a focus on the coastal margin and estuarine portion, and then additionally configured to simulate turbidity (including particle resuspension), and inorganic and organic carbon and nutrients. The model was validated and then used to assess how far terrestrial nutrients might extend from the river into Walcott Inlet and possibly Collier Bay. Flows greater than 300m3/s were shown to dominate nutrient loads within Walcott Inlet itself (>50% of total load) and significantly contribute to the inner reaches of Collier Bay (>15% of total load).less
WAMSI - KIM 2.2.6 Terrestrial oce - Catchment-Ocean Modelling - Published 18 Oct 2017
Fortnightly observations of total biomasses and dominant species biomasses of phytoplankton and zooplankton, chlorophyll a, mean crustacean length, ammonia, filterable reactive phosphorus (FRP), total... more phosphorus (TP), total nitrogen (TN), Secchi transparency, pH, temperature, conductivity, turbidity.
This study was conducted on Logan’s Dam, a small water body near Gatton, in South East Queensland (SEQ).less
1006.8 SEQ Water Losses - Estimation of monolayer water quality effects - Published 25 Aug 2016
Contains a model for estimating the cost-effectiveness of rainwater tanks in South East Queensland (SEQ) covering the regions of Brisbane, Moreton Bay, Sunshine Coast, Ipswich and the Gold Coast. Thi... mores model runs in the @RISK software package (an application for Microsoft Excel), which uses Monte Carlo simulation to generate a probability distribution of the cost-effectiveness and to undertake sensitivity analysis.
The input variables draw upon recent research in the Urban Water Security Research Alliance which provided data about variables of cost and yield for rainwater tanks in the region. Input variables include:
Capital costs (rainwater tank, the pump, laying of a concrete slab for the tank to rest upon as well as plumbing and installation of both the tank and the pump);
Annual costs (operating costs such as energy use for the pump, maintenance costs such as desludging as well as replacement cycles for pumps and tanks over the period of analysis);
Yield variables (household demand and end use, connected roof area, rainfall pattern as well as the effect of up-scaling from a single rainwater tank to consider the yield of a large number of tanks).
For full details of the model, and references for the data sources used, please refer to: Hall, M. R. (2013). Review of Rainwater Tank Cost-effectiveness in South East Queensland. Urban Water Security Research Alliance Technical Report No. 105.less
1006.2 SEQ Life Cycle Analysis - Cost-effectiveness analysis - Published 01 Aug 2016
Polygon shapefile of catchment boundaries for stormwater harvesting schemes in Salisbury, South Australia
1006.12 MARSUO Task 1 Public Health - Catchment hazard identification - Published 03 Oct 2014
A numerical groundwater flow simulation model for the Lockyer Valley alluvial aquifer. The model was developed using the MODFLOW-NWT software package, in conjunction with parameter estimation softwar... moree PEST and its utility software. The calibrated model simulates the aquifer responses to a set of groundwater stresses including groundwater extraction, irrigation recharge, and flood recharge.less
1006.2 SEQ Lockyer Valley - Groundwater modelling - Published 22 Mar 2013
A numerical model to simulate salt transport in the unsaturated zone of two selected sites of the Lockyer Valley, namely, Forest Hill and Tent Hill. Those two sites were selected as they had signific... moreant amounts of salt stored in their unsaturated zone, which extends to about 20 m. HYDRUS-1D of Šimůnek and colleagues (2008) was used to model water flow, solute transport, and root water uptake in those sites.
A total of twelve simulations were run, six for each site. Two irrigation options were considered, the first using the currently available water at each of the sites, and the second using PRW. For each of those options (1 and 2), two vegetation types were considered: shallow-rooted (series W) and deep-rooted (series D). An additional scenario was considered for the shallow-rooted vegetation where intensive irrigation was adopted; this option represented a worst-case scenario for salt mobilisation and transport. Simulation time was varied depending on the irrigation scenario, which was 100 years and 28 years for moderate and intensive irrigation scenarios, respectively.less
Crop maps represented in 11 spatial layers (ESRI GRIDS) which were classified from remotely sensed imagery (Landsat TM 5). The 11 layers are named with the month and year from which the image was capt... moreured as follows:
jul11 (18/07/2011), may11 (15/05/2011), apr11 (13/04/2011), oct10 (3/10/2010), sep10 (1/09/2010), aug10 (16/08/2010), oct06 (24/10/2006), jul06 (20/07/2006), may06 (1/05/2006), oct99 (29/10/1999), aug99 (10/08/1999).less
1006.2 SEQ Lockyer Valley - Crop classification - Published 15 Feb 2013
Stage 3 of the Water Quality Information Acquisition System (WQIAS) involved long-term field trials of the WQIAS real-time event detection system at the Bundamba Wastewater Treatment Plant. Two indep... moreendent units were deployed at each barrier to confirm the validity of any water quality changes observed.
Properties measured were: temperature; pH; conductivity; turbidity; dissolved oxygen; redox potential.
Data files include: raw sensor data; CSV and XLS files with combined sensor data; daily and monthly plots in PDF files.less
1006.4.3 SEQ Information Management - Water Quality Information Acquisition System - Published 17 Dec 2012
Hydrology data collected over south-east Queensland between 2009 and 2012 as part of the Stormwater Harvesting and Eco-Hydrology project of the Urban Water Security Research Alliance. Contains: rainf... moreall; river level and flow; water quality (dissolved oxygen, electroconductivity, pH, turbidity, water temperature). Not all measurements cover the entire date range.
Collection sites include; Blunder Creek, Forest Lake and Durack; Sheepstation Creek, Parkinson; Stable Swamp Creek, Sunnybank and Rocklea; Oxley Creek, Heathwood; Tingalpa Creek, Sheldon; Scrubby Creek, Karawatha Forest; Pimpana River, Kingsholme; Yaun Creek, Upper Coomera. A KML file is included with further information regarding the sites.less
1006.2 SEQ Stormwater/MAR Feasibility - Hydrology and streamflow - Published 10 Dec 2012