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Soil and aquifer salinization: toward an integrated approach for salinity management of groundwater

Greene, Richard, Timms, Wendy, Rengasamy, Pichu, Arshad, Muhammad and Cresswell, Richard 2016, Soil and aquifer salinization: toward an integrated approach for salinity management of groundwaterIntegrated groundwater management: concepts, approaches and challenges, SpringerOpen, Cham, Switzerland, pp.377-412, doi: 10.1007/978-3-319-23576-9_15.

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Title Soil and aquifer salinization: toward an integrated approach for salinity management of groundwater
Author(s) Greene, Richard
Timms, WendyORCID iD for Timms, Wendy orcid.org/0000-0002-6114-5866
Rengasamy, Pichu
Arshad, Muhammad
Cresswell, Richard
Title of book Integrated groundwater management: concepts, approaches and challenges
Publication date 2016
Chapter number 15
Total chapters 28
Start page 377
End page 412
Total pages 36
Publisher SpringerOpen
Place of Publication Cham, Switzerland
Keyword(s) root zone
shallow aquifer
saline groundwater
groundwater extraction
aquifer salinization
Summary Degradation of the quality of groundwater due to salinization processes is one of the key issues limiting the global dependence on groundwater in aquifers. As the salinization of shallow aquifers is closely related to root-zone salinization, the two must be considered together. This chapter initially describes the physical and chemical processes causing salinization of the root-zone and shallow aquifers, highlighting the dynamics of these processes and how they can be influenced by irrigation and drainage practices, thus illustrating the connectivity between soil and groundwater salinization. The processes leading to aquifer salinization in both inland and coastal areas are discussed. The roles of extractive resource industries, such as mining and coal bed methane operations, in causing aquifer salinization are also outlined. Hydrogeochemical changes occurring during salinization of aquifers are examined with the aid of Piper and Mixing Diagrams. The chapter then illustrates the extent of the problem of groundwater salinization as influenced by management and policy using two case studies. The first is representative of a developing country and explores management of salt-affected soils in the Indus Valley, Pakistan, while the second looks at a developed country, and illustrates how through monitoring we can deducecauses of shallow aquifer salinity in the Namoi Catchment of NSW, Australia. Finally, there is a section on integration and conclusions where we illustrate how management to mitigate salinization needs to be integrated with policy to diminish the threat to productivity that occurs with groundwater degradation.
ISBN 9783319235769
Language eng
DOI 10.1007/978-3-319-23576-9_15
HERDC Research category B1.1 Book chapter
ERA Research output type B Book chapter
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution non-commercial licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30115120

Document type: Book Chapter
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.