A 35 ka record of groundwater recharge in south-west Australia using stable water isotopes

Priestley, Stacey C.; Meredith, Karina; Treble, Pauline C.; Cendón, Dioni I.; Griffiths, Alan D.; Hollins, Suzanne; Baker, Andy; Pigois, Jon-Philippe

doi:10.1016/j.scitotenv.2019.135105

Cited by 16 publications

(9 citation statements)

References 55 publications

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“…Such an anticorrelation was indeed reported by Priestley et al. (2020), in a 35 ka groundwater record, which indicates that the observed relationships between δ 18 O, d , and P may also be present over much longer time scales.…”

Section: Discussionsupporting

confidence: 80%

“…Out of the predictors that we considered, rainfall intensity, measured at the collection site but not along the backwards plume, has the strongest effect on d. This driver is consistent with subcloud re-evaporation being important for driving interannual variability and, if this relationship holds over longer timeseries, it would drive an anticorrelation between d and δ 18 O. Such an anticorrelation was indeed reported by Priestley et al (2020), in a 35 ka groundwater record, which indicates that the observed relationships between δ 18 O, d, and P may also be present over much longer time scales.…”

Section: Interpretation Of Water Isotopes In Paleoclimate Studiessupporting

confidence: 79%

“…Even though it is not directly preserved in speleothem carbonite, calcareous speleothems nevertheless record the history of δ 2 H in infiltrating water because of the formation of fluid inclusions within the speleothem which trap enough water for isotopic analysis (van Breukelen et al., 2008; Vonhof et al., 2006). Alternatively, groundwater can be sampled and dated to obtain a low‐resolution record of both δ 18 O and δ 2 H (Priestley et al., 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Tamala Limestone is extensively distributed along several hundred kilometers of the Western Australian coastline (Figure 1). Meanwhile, groundwater from the confined aquifers of the Perth Basin (Priestley et al., 2020) has been interpreted as a low‐resolution record of infiltration. Both speleothem and groundwater records would benefit from a better understanding of the climate drivers of stable water isotopes.…”

Section: Introductionmentioning

confidence: 99%

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Rainfall Stable Water Isotope Variability in Coastal Southwestern Western Australia and Its Relationship to Climate on Multiple Timescales

et al. 2021

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In systems where material is sequestered from the environment, for instance during speleothem growth or groundwater infiltration, the stable isotope ratios δ 18 O and δ 2 H act as markers of environmental change. Speleothems, that is cave decorations such as stalagmites and flowstones, record changes in the oxygen isotopic composition as they grow, and these changes can in turn be linked to changes in rainfall isotopic composition (Lachniet, 2009;Orland et al., 2009;Z. Zhang et al., 2018). Karst regions occur throughout the midlatitudes (Chen et al., 2017) meaning that cave records can be used to infer past changes in certain aspects of the hydrological cycle, in areas where this is not achievable using materials such as coral and ice (

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Section: Discussionsupporting

confidence: 80%

Section: Interpretation Of Water Isotopes In Paleoclimate Studiessupporting

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Rainfall Stable Water Isotope Variability in Coastal Southwestern Western Australia and Its Relationship to Climate on Multiple Timescales

et al. 2021

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“…The environmental isotopes most commonly used in groundwater studies include the stable isotopes deuterium (D), oxygen-18 ( 18 O), sulfur-34 ( 34 S), and the radioactive isotope tritium (T). Stable isotopes D and 18 O primarily reflect groundwater sources, hydraulic links, aquifer leakage, and paleoclimate changes (Kumar et al 2019;Arumi et al 2020;Kreis et al 2020;Priestley et al 2020). 34 S is chiefly employed to identify pollution sources and geothermal system water flow (Awad et al 1995;Lee & Lee 2018).…”

mentioning

confidence: 99%

Groundwater recharge pathway according to the environmental isotope: the case of Changwu area, Yangtze River Delta Region of China

Zhang

Chen

et al. 2021

Water Supply

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Groundwater recharge is an important factor affecting water circulation. As groundwater has slow seepage, directly observing the seepage velocity and recharge path of groundwater in the aquifer is difficult. Environmental isotope technology has become an important means to clarify the mechanism of groundwater movement and the mechanism by which groundwater recharges from the micro and macro perspectives. The Changwu area of Jiangsu Province was taken as an example to identify the recharge sources of groundwater and the recharge paths of groundwater and surface water by using the measured data of isotopes D, 18O, 34S, and T. The results indicated that the shallow aquifer and the I confined aquifer in the Changwu area are mainly recharged by precipitation and surface lake water. The II confined aquifer along the Yangtze River is recharged by modern precipitation. Moreover, the II confined aquifer in the Henglin area was recharged by the ancient Yangtze River before 4,000 years ago, and no recharge relationship exists now. the recharge condition of the II confined aquifer around the northwest of Gehu Lake is in the climate environment of 8,000 years ago and was caused by the surface depression lake water at that time. Additionally, the concealed limestone aquifer is primarily supplied by the II confined aquifer, while the concealed sandstone aquifer supplies the II confined aquifer. Hence, to find out the recharge conditions of groundwater aquifers based on the environmental isotope is conducive to scientific and reasonable evaluation of groundwater resources and to ensure the sustainable development and utilization of groundwater resources.

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Rainfall stable water isotope variability in coastal southwestern Western Australia and its relationship to climate on multiple timescales

Griffiths¹,

Treble²,

Hope³

et al. 2021

Preprint

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A 35 ka record of groundwater recharge in south-west Australia using stable water isotopes

Cited by 16 publications

References 55 publications

Rainfall Stable Water Isotope Variability in Coastal Southwestern Western Australia and Its Relationship to Climate on Multiple Timescales

Rainfall Stable Water Isotope Variability in Coastal Southwestern Western Australia and Its Relationship to Climate on Multiple Timescales

Groundwater recharge pathway according to the environmental isotope: the case of Changwu area, Yangtze River Delta Region of China

Rainfall stable water isotope variability in coastal southwestern Western Australia and its relationship to climate on multiple timescales

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