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Impacts of the Traveston Crossing Dam on Estuarine Water Quality

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Information about Impacts of the Traveston Crossing Dam on Estuarine Water Quality

Published on October 15, 2008

Author: greatermary

Source: slideshare.net

Description

Presentation at "The River, the Bay and the Strait" public forum at Hervey Bay on 5 October 2008.
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FIGURE 1 The Basis of Environmental Flow Assessment 05/10/08

FIGURE 2 Projected Manner of Satisfying SEQ Water Demand 05/10/08

FIGURE 3 Key Issues of Submissions Recognised in Supplementary EIS 05/10/08

FIGURE 4 Summary of Perceived Cumulative Impacts Associated with No/Reduced Environmental Flows 05/10/08

FIGURE 5 – Map of Catchment from Supplementary EIS 05/10/08

FIGURE 6 – RAMSAR Site as shown in EIS 05/10/08

FIGURE 7 Wetlands of Mary River, Great Sandy Strait, Fraser Island and Burrum Coast listed in the National Directory of Important Wetland (adapted from DPI&F 2007a) (from EIS) 05/10/08

FIGURE 8 Coastal wetlands of the mid section of the Great Sandy Strait (adapted from DPI&F 2007a) (from EIS) 05/10/08

FIGURE 9a Conceptual model of the influences of freshwater flows on the life-cycle of the mud crab (from Halliday & Robins) 05/10/08

FIGURE 9b An Example of Queensland Fisheries Research 05/10/08

FIGURE 10 Nutrient Cycling in Estuaries (from www.ozcoasts.org.au ) 05/10/08

05/10/08 FIGURE 11 Estuarine Food Webs (from www.ozcoasts.org.au )

05/10/08 FIGURE 12a NRW IQQM Representation Miva to River Mouth

05/10/08 FIGURE 12b IQQM Model Moy Pocket to Dagun Pocket

05/10/08 FIGURE 12b Basics of the Hydrological Model (from Mary WRP Hydrologic Model Report)

05/10/08 FIGURE 13 IQQM Calibration: Home Park

05/10/08 FIGURE 14 Impact of Mean Annual Flows from Supplementary EIS

05/10/08 FIGURE 15 Statistical Assessment of Impacts of Flows shown in Supplementary EIS

05/10/08 FIGURE 16 Comparison of Impacts on Downstream Flows at Dagun Pocket (Supplementary EIS)

05/10/08 FIGURE 17 Extract from DRNW Data Showing Monthly Flows into Mary River Barrage

05/10/08 FIGURE 18

05/10/08 FIGURE 19

05/10/08 FIGURE 20 Satellite Photograph of Silt Plume after peak flood 25 April 1989 (from J:Drive/Traveston/imagery)

05/10/08 FIGURE 21 Salinity Model of 25 April 1989 Scenario

05/10/08 FIGURE 22 Output from Nutrient Model Showing Retention Time of Nutrients

05/10/08 FIGURE 23 Preliminary Optimisation – Flow Duration Curve, Dagun Pocket 205 km (from Supplementary EIS)

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