2006
DOI: 10.1002/hyp.5953
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Characterization of surface and ground water δ18O seasonal variation and its use for estimating groundwater residence times

Abstract: Abstract:18 O is an ideal tracer for characterizing hydrological processes because it can be reliably measured in several watershed hydrological compartments. Here, we present multiyear isotopic data, i.e.18 O variations (υ 18 O), for precipitation inputs, surface water and groundwater in the Shingobee River Headwaters Area (SRHA), a well-instrumented research catchment in north-central Minnesota. SRHA surface waters exhibit υ 18 O seasonal variations similar to those of groundwaters, and seasonal υ 18 O varia… Show more

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Cited by 47 publications
(41 citation statements)
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References 35 publications
(53 reference statements)
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“…The sampler was installed 3.4 m from the lake shore in December, 2007 (close to two seepage meters) and left to equilibrate with pore water for one month. Upon retrieval, water in the chambers was extracted using a syringe, sampled in glass bottles with tight-fitting rubber sealed caps (Herczeg et al, 1992;Reddy et al, 2006), and stored at 5°C. The samples were analyzed with a dual-inlet mass spectrometer.…”
Section: Oxygen Isotopes (D 18 O)mentioning
confidence: 99%
“…The sampler was installed 3.4 m from the lake shore in December, 2007 (close to two seepage meters) and left to equilibrate with pore water for one month. Upon retrieval, water in the chambers was extracted using a syringe, sampled in glass bottles with tight-fitting rubber sealed caps (Herczeg et al, 1992;Reddy et al, 2006), and stored at 5°C. The samples were analyzed with a dual-inlet mass spectrometer.…”
Section: Oxygen Isotopes (D 18 O)mentioning
confidence: 99%
“…Attempts have been made to correlate the TTs to catchment characteristics such as topography (McGuire et al, 2005;Mueller et al, 2013;Seeger and Weiler, 2014), geology (Katsuyama et al, 2010) or soil type (Tetzlaff et al, 2009(Tetzlaff et al, , 2011Timbe et al, 2014). Assessment of the relationship between groundwater RT and catchment TT has also been undertaken occasionally (Matsutani et al, 1993;Herrmann et al, 1999;Reddy et al, 2006). Because catchment storage is highly non-stationary, catchment TTs are known to vary over time ), yet the importance of temporal dynamics in TT distributions has been overlooked until recently.…”
Section: Introductionmentioning
confidence: 99%
“…The goal of the Reddy et al (2006) paper was to test the applicability of the υ 18 O amplitude-attenuation approach for estimating MRTs in a well-characterized catchment with significant surface-water-ground water interactions, and to evaluate the limitations of this approach by comparison of model predictions and other…”
Section: Current State Of the Literaturementioning
confidence: 99%
“…Hence, in our report (Reddy et al, 2006) the isotopic analysis data used were for a specific group of samples analysed at the same time, in the same laboratory. In hindsight, it would have been beneficial to have updated our analysis with a more complete precipitation υ 18 O dataset when it became available.…”
Section: Data Used In the Analysismentioning
confidence: 99%