Mapping Zones of Saline Groundwater Discharge Using NanoTEM: River Murray, South Australia

2006 ◽  
Author(s):  
Kok Tan ◽  
Volmer Berens ◽  
Mike Hatch ◽  
Tim Munday ◽  
Kenneth Lawrie
Keyword(s):  
Groundwater Discharge ◽  
South Australia ◽  
Saline Groundwater

Physical and Chemical Techniques for Discharge Studies - Part 1

1996 ◽  
Keyword(s):  
North America ◽  
Western Australia ◽  
Saline Lakes ◽  
Groundwater Discharge ◽  
South Australia ◽  
Dryland Salinity ◽  
Saline Groundwater ◽  
Murray River ◽  
Chemical Techniques ◽  
Physical And Chemical

Groundwater discharge is associated with salinity and pollution problems. The widespread presence of millions of saline lakes in North America, Africa and Australia, shows that across the geological record, most salinity and desertification problems have been caused by saline groundwater discharge. In recent times, dryland salinity has spread widely in southern Australia, resulting in the loss of more than 50% of the fresh streams in Western Australia and causing major salinity problems in the Murray River in South Australia.

MAPPING ZONES OF SALINE GROUNDWATER DISCHARGE USING NANOTEM: RIVER MURRAY, SOUTH AUSTRALIA

2006 ◽  
Author(s):  
Kok Tan ◽  
Volmer Berens ◽  
Mike Hatch ◽  
Tim Munday ◽  
Kenneth Lawrie
Keyword(s):  
Groundwater Discharge ◽  
South Australia ◽  
Saline Groundwater

Management Of Saline Groundwater Discharge By Long-term Windmill Pumping In The Wheatbelt, Western Australia

1994 ◽  
Vol 2 (1) ◽  
pp. 19-33 ◽  
Author(s):  
R. B. Salama ◽  
C. J. Otto ◽  
G. A. Bartle ◽  
G. D. Watson
Keyword(s):  
Western Australia ◽  
Groundwater Discharge ◽  
Saline Groundwater

Acidification of salinised waterways by saline groundwater discharge in south-western Australia

2012 ◽  
Vol 470-471 ◽  
pp. 111-123 ◽  
Author(s):  
B.P. Degens ◽  
P.D. Muirden ◽  
B. Kelly ◽  
M. Allen
Keyword(s):  
Western Australia ◽  
Groundwater Discharge ◽  
Saline Groundwater

Reliance of creek-side river red gums on creek water

1994 ◽  
Vol 45 (8) ◽  
pp. 1439 ◽  
Author(s):  
PJ Thorburn ◽  
LJ Mensforth ◽  
GR Walker
Keyword(s):  
Stable Isotopes ◽  
Soil Water ◽  
Water Relations ◽  
South Australia ◽  
Eucalyptus Camaldulensis ◽  
Saline Groundwater ◽  
Naturally Occurring ◽  
Creek Water ◽  
Eucalyptus Camaldulensis Dehnh ◽  
Semi Arid

Measurements of naturally occurring stable isotopes of hydrogen (2H) and oxygen (18O) were used to determine the importance of creek waters to river red gums (Eucalyptus camaldulensis Dehnh., Myrtaceae) on the banks of creeks in the semi-arid and saline Chowilla floodplain region of South Australia. The 2H and 18O concentrations of water sampled from trees were significantly different from those of the creek water, indicating that, generally, trees were not obtaining all their water from the creek. This was found even in trees overlying highly saline groundwater. Thus, saline groundwater and/or soil water were important water sources for the trees studied. The results indicated that the water relations of these trees are complex, and the trees may be less affected by changes in creek flow and/or salinity than was previously anticipated.

Floodwater recharge processes in the Chowilla Anabranch system, South Australia

Soil Research ◽  
1994 ◽  
Vol 32 (3) ◽  
pp. 417 ◽  
Author(s):  
ID Jolly ◽  
GR Walker ◽  
KA Narayan
Keyword(s):  
Unsaturated Zone ◽  
Alternative Hypothesis ◽  
South Australia ◽  
Alluvial Aquifer ◽  
Analytical Modelling ◽  
Infiltration Capacity ◽  
Saline Groundwater ◽  
Low Salinity ◽  
Clay Surface

We report the results of a study into the interaction between floodwaters and an unconfined alluvial aquifer in the Chowilla anabranch system of the River Murray during a large flood. Data on watertable elevation, groundwater chemistry and unsaturated zone salt storage were collected before, during and after a flood in 1990 which inundated all but the very highest points of the floodplain. These data, combined with analytical modelling of the watertable behaviour throughout the flood, led us to conclude that diffuse vertical recharge of floodwater to the unsaturated zone is of little importance. As a consequence, only limited teaching of salt from this zone to the groundwater occurs. This appears to be due to a reduction in the infiltration capacity of the sodic clay surface soils of the floodplain which disperse and swell when wetted with the low salinity floodwater. This suggests that the unsaturated zone is not the major source of salt which enters the River Murray following floods. However, from previous studies it is clear that the floodplain is an important source of saline groundwater which is added to the river following floods. An alternative hypothesis to explain the observed salt accessions is that areas of the floodplain where the Coonambidgal Clay is thin or absent are zones of localized recharge which cause displacement of in situ groundwater into the floodplain streams. This hypothesis should be tested in further work.

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