A multiple-tracer approach to understanding regional groundwater flow in the Snake Valley area of the eastern Great Basin, USA

Gardner, Philip M.; Heilweil, Victor M.

doi:10.1016/j.apgeochem.2014.02.010

Cited by 37 publications

(35 citation statements)

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“…Sedimentary watersheds may be especially conducive for IGF because stratigraphic layers may cross beneath several surface water divides. However, IGF is not limited to sedimentary rocks; it has been identified in volcanic bedrock in Costa Rica [ Genereux et al , ; Genereux and Jordan , ; Genereux et al , ] and in igneous, metasedimentary, and carbonate bedrock in Death Valley [ Anderson et al , ; Gillespie et al , ; Gardner and Heilweil , ; Nelson and Mayo , ]. IGF is not excluded from Tóthian flow models as regional‐scale groundwater flow paths can flow beneath local‐ and intermediate‐scale discharge points [ Tóth , ].…”

Section: Introductionmentioning

confidence: 99%

Is there a geomorphic expression of interbasin groundwater flow in watersheds? Interactions between interbasin groundwater flow, springs, streams, and geomorphology

Frisbee

Tysor

Stewart-Maddox

et al. 2016

Geophysical Research Letters

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Interbasin groundwater flow (IGF) can play a significant role in the generation and geochemical evolution of streamflow. However, it is exceedingly difficult to identify IGF and to determine the location and quantity of water that is exchanged between watersheds. How does IGF affect landscape/watershed geomorphic evolution? Can geomorphic metrics be used to identify the presence of IGF? We examine these questions in two adjacent sedimentary watersheds in northern New Mexico using a combination of geomorphic/landscape metrics, springflow residence times, and spatial geochemical patterns. IGF is expressed geomorphically in the landscape placement of springs and flow direction and shape of stream channels. Springs emerge preferentially on one side of stream valleys where landscape incision has intercepted IGF flow paths. Stream channels grow toward the IGF source and show little bifurcation. In addition, radiocarbon residence times of springs decrease and the geochemical composition of springs changes as the connection to IGF is lost.

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Section: Introductionmentioning

confidence: 99%

Is there a geomorphic expression of interbasin groundwater flow in watersheds? Interactions between interbasin groundwater flow, springs, streams, and geomorphology

Frisbee

Tysor

Stewart-Maddox

et al. 2016

Geophysical Research Letters

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“…The model approach corrects the age for dissolution with ''dead'' carbon derived from the aquifer matrix, assuming the following parameters to account for the pristine arid sarcocauleschent scrub vegetation (Perea et al 2005;Michener and Lajtha 2007;Rodríguez-Estrella et al 1998): initial activity; isotope fractionation factors after Vogel et al (1970), Mook et al (1974) and Deines et al (1974); d 13 C carbonates of 0 % VPDB and d 13 C soil CO 2 of -19 % VPDB. If a particular model resulted in an unreasonable (negative) age, the adjusted age was designated as either modern (recharge after the mid-1950s), premodern (recharge prior to the mid-1950s), or as a mixture of modern and pre-modern water with respect to 14 C based on evaluating CFC tracers (Gardner and Heilweil 2014).…”

Section: Discussionmentioning

confidence: 99%

Isotope signatures and hydrochemistry as tools in assessing groundwater occurrence and dynamics in a coastal arid aquifer

et al. 2016

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Groundwater from the La Paz arid coastal aquifer in Baja California, Mexico, is essentially the only source of drinking water for the local population and tourists, as well as irrigation water for agricultural needs. The intensive exploitation of the aquifer and water cycling has resulted in groundwater abatement (up to 10 m) and high salinity (up to *5800 mg l -1 ). A study using hydrochemistry, isotopic (deuterium, oxygen-18 and carbon-14) and gaseous tracers (chlorofluorocarbons CFC-11, CFC-12, CFC-113), as well as multivariate statistics, was developed to elucidate groundwater composition, flow and occurrence. Groundwater is of meteoric origin, and a large proportion is subject to evaporation. The primary natural recharge is generated in the El Novillo and Las Cruces ranges, and groundwater subsequently flows in a SE-NW direction toward the coast. The initial water type is the result of discordant dissolution of silicate minerals and ion exchange on soils. In the lower plain portion, the aquifer system is recharged from irrigation return flow and seawater intrusion, which significantly affects groundwater chemistry. Nitrate and chloride concentrations indicate that groundwater is highly affected by an overuse of fertilizers in agricultural activities, but there is little effect from urban activities. Seawater intrusion has progressed rapidly during the past decade, and the impact currently extends 13 km inland. Radiocarbon residence time calculations suggest that groundwater is modern, with the exception of Chametla and El Centerario sites in the central and western lowlands with ages of up to *5000 years. These waters indicate an additional recharge source for the upconing of fossil groundwater or regional flow.

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“…The Bonneville Salt Flats (BSF) is a perennial salt pan that spans over ~75 km 2 adjacent to the Utah-Nevada border ( Figure 2). The extension of the Basin and Range lays the tectonic framework for the development of interbasinal playas, like the Bonneville Salt Flats, where groundwater flowpaths focus discharge and concentrate solutes in springs rimming playa boundaries (Gardner and Heilweil, 2014). On glacial-interglacial time scales, the impact of Pleistocene Lake Bonneville and a cold and wet climate regime are evidenced by a series of tufatraced shorelines stepping down the southeast face of the Silver Island Mountains, bounding the salt flats to the northwest, and by the vast lacustrine playa surface that blankets the Great Salt Lake Desert.…”

Section: The Story Of the Saltmentioning

confidence: 99%

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2018

TSR

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This publication is the result of more than 3 decades of sequence stratigraphy research and application. The objective is to emphasize the most important aspects of Sequence Stratigraphy-a method to guide geologic interpretation of stratigraphic data (seismic profiles, well-logs, cores and outcrops) across scales (from local to regional and global) and depositional environments (from continental to deep marine).The stratigraphic concept of a depositional sequence was introduced to the scientific literature by Peter Vail and his colleagues in the late 70s, building on the shoulders of giants like Chamberlain, Sloss and Wheeler. Since then, several papers compared and contrasted the original sequence-stratigraphic school published in the AAPG Memoir 26 in 1977 with other approaches to subdivide the geologic record, as well as, debating the model validity and impact on the community. At its core, the "model" is really a stratigraphic interpretation method, which was never explicitly documented in the literature. The objective of this book is to present the sequence stratigraphic method in its current form in an attempt to clarify its usage and application in diverse geologic data and depositional environments. This publication is the result of more than 3 decades of sequence stratigraphy research and application. The objective is to emphasize the most important aspects of Sequence Stratigraphy-a method to guide geologic interpretation of stratigraphic data (seismic profiles, well-logs, cores and outcrops) across scales (from local to regional and global) and depositional environments (from continental to deep marine). This book in an 11 x 17 format is designed to be easily used for teaching or self-learning experiences. In the second edition of the "Atlas", the book was divided in 2 separately bound volumes-Exercises and Solutions-to make it easier to use the publication as text book for sequence stratigraphy courses in universities. Also, a new exercise was added and several of the existing exercises went through major updating and editing.

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A multiple-tracer approach to understanding regional groundwater flow in the Snake Valley area of the eastern Great Basin, USA

Cited by 37 publications

References 35 publications

Is there a geomorphic expression of interbasin groundwater flow in watersheds? Interactions between interbasin groundwater flow, springs, streams, and geomorphology

Is there a geomorphic expression of interbasin groundwater flow in watersheds? Interactions between interbasin groundwater flow, springs, streams, and geomorphology

Isotope signatures and hydrochemistry as tools in assessing groundwater occurrence and dynamics in a coastal arid aquifer

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