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Karina T. Meredith
Australian Nuclear Science and Technology Organisation
31Publications
11H-index
277Citations
Publications 31
Newest
#1Ian Cartwright (Monash University, Clayton campus)H-Index: 37
#2Matthew Currell (RMIT: RMIT University)H-Index: 17
Last.Karina T. Meredith (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 11
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Abstract Groundwater is an important resource in arid and semi-arid regions and determining its residence times is critical for sustainable use. Radiocarbon (14C) is currently the primary geochemical tracer for determining residence times of regional groundwater systems. The analysis of 14C contents of dissolved inorganic carbon (DIC) became more straightforward following the development of accelerator mass spectrometry, which has led to an increase in the number of studies using 14C. However, t...
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#1Liza K. McDonough (UNSW: University of New South Wales)H-Index: 1
#2Denis M. O'Carroll (UNSW: University of New South Wales)H-Index: 26
Last.Andy Baker (UNSW: University of New South Wales)H-Index: 64
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Abstract Dissolved organic matter (DOM) in groundwater is fundamentally important with respect to biogeochemical reactions, global carbon cycling, heavy metal transport, water treatability and potability. One source of DOM to groundwater is from the transport of organic matter from the vadose zone by rainfall recharge. Changes in precipitation patterns associated with natural climate variability and climate change are expected to alter the load and character of organic matter released from these...
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#1Mattia SaccòH-Index: 1
#2Alison J. BlythH-Index: 14
Last.Kliti GriceH-Index: 38
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1 CitationsSource
#1Debashish Mazumder (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 13
#2Neil Saintilan (Macquarie University)H-Index: 30
Last.Li Wen (Office of Environment and Heritage)H-Index: 13
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1 CitationsSource
#1Suzanne Hollins (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 10
#2Catherine E. Hughes (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 14
Last.Karina T. Meredith (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 11
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Abstract This paper presents a continental scale interpretation of δ2H and δ18O in Australian precipitation, incorporating historical GNIP data at seven sites (1962–2002) and 8–12 years of new monthly data from 15 sites from 2003 to 2014. The more than doubling of stations and the significant time series duration allow for an improved analysis of Australian precipitation isotopes. Local meteoric water lines were developed for each site, and for the Australian continent. When the annual precipita...
7 CitationsSource
#1Ander Guinea (FedUni: Federation University Australia)H-Index: 1
#2Suzanne Hollins (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 10
Last.Dioni I. Cendón (UNSW: University of New South Wales)H-Index: 18
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ABSTRACTThe interaction between surface water and groundwater in clay-rich fluvial environments can be complex and is generally poorly understood. Airborne electromagnetic surveys are often used for characterizing regional groundwater systems, but they are constrained by the resolution of the method. A resistivity imaging survey has been carried out in the Macquarie Marshes (New South Wales, Australia) in combination with water chemical sampling. The results have enabled the identification of bu...
1 CitationsSource
#1Wenbo Rao (Hohai University)H-Index: 10
#2Wenbing Zhang (Hohai University)H-Index: 2
Last.Shuai Wang (Hohai University)H-Index: 2
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3 CitationsSource
#1Stacey C. Priestley (Flinders University)H-Index: 3
#2Karl E. Karlstrom (UNM: University of New Mexico)H-Index: 32
Last.Marie A. Habermehl (Geoscience Australia)H-Index: 1
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Abstract Travertine deposits precipitated by groundwater discharging from the Great Artesian Basin (GAB) are widespread in central Australia and have the potential to provide a record of palaeohydrogeology and palaeoclimate. The GAB is one of the largest artesian basins in the world and a relationship between travertine deposits and recharge sites has potential importance regarding the time and position of past climate events, given that the travertines growth forms from precipitation discharge....
2 CitationsSource
#1Karina T. Meredith (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 11
#2L.F. HanH-Index: 2
Last.Suzanne Hollins (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 10
view all 7 authors...
Abstract The Canning Basin is the largest sedimentary basin in Western Australia and is located in one of the most cyclone prone regions of Australia. Despite its importance as a future resource, limited groundwater data is available for the Basin. The main aims of this paper are to provide a detailed understanding of the source of groundwater recharge, the chemical evolution of dissolved inorganic carbon (DIC) and provide groundwater age estimations using radiocarbon ( 14 C DIC ). To do this we...
5 CitationsSource
#1Eliza Bryan (UNSW: University of New South Wales)H-Index: 2
#2Karina T. Meredith (ANSTO: Australian Nuclear Science and Technology Organisation)H-Index: 11
Last.Vincent E. A. Post (Flinders University)H-Index: 22
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Abstract This study investigates the inorganic and organic aspects of the carbon cycle in groundwaters throughout the freshwater lens and transition zone of a carbonate island aquifer and identifies the transformation of carbon throughout the system. We determined 14 C and 13 C carbon isotope values for both DIC and DOC in groundwaters, and investigated the composition of DOC throughout the aquifer. In combination with hydrochemical and 3 H measurements, the chemical evolution of groundwaters wa...
6 CitationsSource
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