PLOT-SCALE RUNOFF OF NUTRIENTS AND SEDIMENT UNDER VARYING MANAGEMENT REGIMES ON A BANANA AND CANE... more PLOT-SCALE RUNOFF OF NUTRIENTS AND SEDIMENT UNDER VARYING MANAGEMENT REGIMES ON A BANANA AND CANE FARM IN THE WET TROPICS ... John W. Faithful1, Jon Brodie1, Alan Hooper2, Pat Leahy3, George Henry4, Wendy Finlayson5 and David Green6 ...
[Extract] The Queensland Department of Main Roads (QDMR)has proposed to implement the Douglas art... more [Extract] The Queensland Department of Main Roads (QDMR)has proposed to implement the Douglas arterial section of the Townsville Ring Road. This includes: °the realignment and upgrade of University Drive leading towards the new Hospital site between CSIRO Davies Laboratory and James Cook University, including the construction of exit and entry ramps; °realignment and upgrade of some of the existing Angus Smith Drive where University Drive will merge to it,; °road construction approximately parallel with the unsealed section of Angus Smith Drive leading from the University entrance towards the Townsville City Council Water Treatment Plant, °major bridge construction over the Ross River, including the construction of exit and entry ramps, and road realignment and widening of Upper Ross River Road. The arterial road (refer to Maunsell McIntyre Pty. Ltd. aerial photo mosaic) will serve initially as an access route to south-western Townsville from the Upper Ross and eventually as a Townsville by-pass route via Hervey's Range Road. In order to meet the requirements of the Review of Environmental Factors(REF) it is vital to identify, describe and assess the environmental advantages, disadvantages and constraints associated with the proposed route. To provide the basis for this assessment, the Australian Centre for Tropical Freshwater Research (ACTFR) was commissioned by Maunsell McIntyre Pty. Ltd. to assess the environmental values of the site with regard to potential impacts of the proposal. An ACTFR aquatic chemist and ecologist conducted a field survey of the site on June 22, 1999. During this site visit, the proposed route was traversed and an assessment of the site made to document and evaluate the structure and floristic composition of the vegetation, provide an assessment of significance of habitats for fauna and determine the environmental value of water courses crossed by the proposed route. This report forms the basis of the REF for issues pertaining to flora, fauna and water quality. A REF is intended solely to provide a preliminary assessment of the possible environmental effects of a proposed project to enable a decision to be made as to whether further and more detailed particulars are required prior to commencement of works.
Queensland Nickel Pty Ltd (QNPL) operate the Yabulu Refinery, located on a 2464 hectare land hold... more Queensland Nickel Pty Ltd (QNPL) operate the Yabulu Refinery, located on a 2464 hectare land holding on the north Queensland tropical coast adjacent to Halifax Bay, approximately 30 km north west of Townsville. The coastal fringe separating the refinery area from the bay ...
Stochastic water quality models provide a mechanism to estimate uncertainty in water quality mode... more Stochastic water quality models provide a mechanism to estimate uncertainty in water quality model inputs. is approach requires tting an input dataset to a statistical distribution, which is entered into the model as a Probability Distribution Function (PDF). e input PDFs are randomly sampled at user-de ned intervals using the Monte Carlo method to generate a model input time series for the duration of the model run. A stochastic water quality model was developed to support the Environmental Assessment and Water Licence Permit applications for the Jay Project, a new open pit development at the Ekati diamond mine, located in the Northwest Territories, Canada. Model input PDFs were developed using existing seepage monitoring data from a surrogate waste rock storage area at the mine selected to represent the drainage water quality for the Jay Waste Rock Storage Area (WRSA). e total drainage from the Jay WRSA is estimated to be small in comparison to other mine site ows (e.g., Jay Pit g...
The Burdekin River Catchment is situated in the dry tropics region of Northern Queensland, Austra... more The Burdekin River Catchment is situated in the dry tropics region of Northern Queensland, Australia and covers 130,000km2. As the second largest catchment in the state it impacts significantly upon the Great Barrier Reef shelf system in terms of water, sediment and nutrient exports, but due to the seasonal nature of rainfall in the region, these impacts are highly episodic. In 1989, the Burdekin Falls Dam was built in order to provide a storage reservoir for irrigation. It was expected to act as a sediment trap, however the reservoir fills and overflows during flood events, which carry large amounts of suspended particulate matter. The reservoir is chronically turbid (>100NTU) and consequently discharge from the dam is no longer clear during the dry season, which may potentially cause adverse affects downstream. Our investigation into the characteristics, source and fate of sediment in the Upper Burdekin catchment and its behaviour within the system has been undertaken within th...
PLOT-SCALE RUNOFF OF NUTRIENTS AND SEDIMENT UNDER VARYING MANAGEMENT REGIMES ON A BANANA AND CANE... more PLOT-SCALE RUNOFF OF NUTRIENTS AND SEDIMENT UNDER VARYING MANAGEMENT REGIMES ON A BANANA AND CANE FARM IN THE WET TROPICS ... John W. Faithful1, Jon Brodie1, Alan Hooper2, Pat Leahy3, George Henry4, Wendy Finlayson5 and David Green6 ...
[Extract] The Queensland Department of Main Roads (QDMR)has proposed to implement the Douglas art... more [Extract] The Queensland Department of Main Roads (QDMR)has proposed to implement the Douglas arterial section of the Townsville Ring Road. This includes: °the realignment and upgrade of University Drive leading towards the new Hospital site between CSIRO Davies Laboratory and James Cook University, including the construction of exit and entry ramps; °realignment and upgrade of some of the existing Angus Smith Drive where University Drive will merge to it,; °road construction approximately parallel with the unsealed section of Angus Smith Drive leading from the University entrance towards the Townsville City Council Water Treatment Plant, °major bridge construction over the Ross River, including the construction of exit and entry ramps, and road realignment and widening of Upper Ross River Road. The arterial road (refer to Maunsell McIntyre Pty. Ltd. aerial photo mosaic) will serve initially as an access route to south-western Townsville from the Upper Ross and eventually as a Townsville by-pass route via Hervey's Range Road. In order to meet the requirements of the Review of Environmental Factors(REF) it is vital to identify, describe and assess the environmental advantages, disadvantages and constraints associated with the proposed route. To provide the basis for this assessment, the Australian Centre for Tropical Freshwater Research (ACTFR) was commissioned by Maunsell McIntyre Pty. Ltd. to assess the environmental values of the site with regard to potential impacts of the proposal. An ACTFR aquatic chemist and ecologist conducted a field survey of the site on June 22, 1999. During this site visit, the proposed route was traversed and an assessment of the site made to document and evaluate the structure and floristic composition of the vegetation, provide an assessment of significance of habitats for fauna and determine the environmental value of water courses crossed by the proposed route. This report forms the basis of the REF for issues pertaining to flora, fauna and water quality. A REF is intended solely to provide a preliminary assessment of the possible environmental effects of a proposed project to enable a decision to be made as to whether further and more detailed particulars are required prior to commencement of works.
Queensland Nickel Pty Ltd (QNPL) operate the Yabulu Refinery, located on a 2464 hectare land hold... more Queensland Nickel Pty Ltd (QNPL) operate the Yabulu Refinery, located on a 2464 hectare land holding on the north Queensland tropical coast adjacent to Halifax Bay, approximately 30 km north west of Townsville. The coastal fringe separating the refinery area from the bay ...
Stochastic water quality models provide a mechanism to estimate uncertainty in water quality mode... more Stochastic water quality models provide a mechanism to estimate uncertainty in water quality model inputs. is approach requires tting an input dataset to a statistical distribution, which is entered into the model as a Probability Distribution Function (PDF). e input PDFs are randomly sampled at user-de ned intervals using the Monte Carlo method to generate a model input time series for the duration of the model run. A stochastic water quality model was developed to support the Environmental Assessment and Water Licence Permit applications for the Jay Project, a new open pit development at the Ekati diamond mine, located in the Northwest Territories, Canada. Model input PDFs were developed using existing seepage monitoring data from a surrogate waste rock storage area at the mine selected to represent the drainage water quality for the Jay Waste Rock Storage Area (WRSA). e total drainage from the Jay WRSA is estimated to be small in comparison to other mine site ows (e.g., Jay Pit g...
The Burdekin River Catchment is situated in the dry tropics region of Northern Queensland, Austra... more The Burdekin River Catchment is situated in the dry tropics region of Northern Queensland, Australia and covers 130,000km2. As the second largest catchment in the state it impacts significantly upon the Great Barrier Reef shelf system in terms of water, sediment and nutrient exports, but due to the seasonal nature of rainfall in the region, these impacts are highly episodic. In 1989, the Burdekin Falls Dam was built in order to provide a storage reservoir for irrigation. It was expected to act as a sediment trap, however the reservoir fills and overflows during flood events, which carry large amounts of suspended particulate matter. The reservoir is chronically turbid (>100NTU) and consequently discharge from the dam is no longer clear during the dry season, which may potentially cause adverse affects downstream. Our investigation into the characteristics, source and fate of sediment in the Upper Burdekin catchment and its behaviour within the system has been undertaken within th...
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