Published on October 15, 2008
Why the Mary is at risk from low flows . Steve Burgess Mary River Catchment Coordinating Committee
The Mary River has plenty of flow We are only removing a comparatively small amount Therefore we won’t have much adverse impact The proposed dam is a long way upstream There are many tributaries and a large catchment downstream Therefore there will be little impact on the lower river Myth/ unsubstantiated unscientific conclusion 1 Myth/ unsubstantiated unscientific conclusion 2
Wet end Dry end Water from here Comes out here
Gympie Climate (Bureau of Meteorology 1997)
Theebine Climate (Bureau of Meteorology 1997)
Moy Pocket TC Damsite Fisherman’s Pocket Miva Home Park Barrage End of System
River Reach Stream flow in Stream flow out Inflows: tributaries, runoff, groundwater, Losses: extraction, seepage, evaporation, Simple Hydrology
River Reach Stream flow in Stream flow out Inflows: tributaries, runoff, groundwater, Losses: extraction, seepage, evaporation, Mid Mary – Dry Seasons Eg. JASON months 1996, 1997, 2002, 2006
The Mary River already experiences major problems in times of low flows Proposed infrastructure plans are likely to make these problems worse Protecting the low-flow regime would require significant environmental flow releases This would reduce the economic viability of new infrastructure There are better urban water supply options
What follows is a brief explanation of why the entire Mary River downstream of Traveston Crossing is at risk from the ... damage from low flows, ...
Mary River & Tributaries Rehabilitation Plan, Dairy Effluent Case Studies, Traveston Dam documents; Events. ... * Why the Mary is at risk from low flows
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Why not subscribe? ... Only in severe droughts would low flows potentially impact ... You can reach Staff Writer Mary Callahan at 707-521-5249 or mary ...
Low-head dams, a.k.a. “killer ... For example, Case A occurs at low flows, accompanied by low velocities, low depths, ... Photo by Mary Chind, ...
Two great flows of prosperity have ... by Dr Douglas Noble of Queen Mary, London, to show diabetes risk. ... The Economist explains: Why none of ...