Determining fluvial sediment virtual velocity on the Mojave River using K-feldspar IRSL: Initial assessment

McGuire, C. P.; Rhodes, E. J.

doi:10.1016/j.quaint.2014.07.055

Cited by 27 publications

(53 citation statements)

References 25 publications

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“…A b s t r a c t 13 We use samples from a prior study (McGuire and Rhodes, 2015) to investigate the bleaching trend of 14…”

Section: Downstream Met-irsl Single-grain Distributions In the Mojavementioning

confidence: 99%

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

McGuire

Rhodes

2015

Quaternary Geochronology

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“…A b s t r a c t 13 We use samples from a prior study (McGuire and Rhodes, 2015) to investigate the bleaching trend of 14…”

Section: Downstream Met-irsl Single-grain Distributions In the Mojavementioning

confidence: 99%

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

McGuire

Rhodes

2015

Quaternary Geochronology

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“…In general, the relationship between light and heat is complex and it is well known from the laboratory experiments that ambient temperature governs the optical depletion rate (Bøtter‐Jensen et al, ; Jain & Ankjærgaard, ; Wintle & Murray, ). The model equations describing the growth and depletion of a certain luminescence signal set the basis for techniques such as thermochronology and/or thermometry (e.g., Brown et al, ; Rengers et al, ; Spencer & Sanderson, ), exposure and erosion (Sohbati et al, ), and sediment transport (McGuire & Rhodes, ).…”

Section: Physical Basis Of Luminescence As a Sediment Tracer And Provmentioning

confidence: 99%

“…The use of luminescence to directly quantify geomorphic processes is an important research frontier (Heimsath & Ehlers, ). The potential applications of luminescence are rapidly expanding to provide new quantitative insights into geomorphic processes such as exhumation using OSL (Herman et al, ) and TL (Biswas et al, ; Brown et al, ), soil mixing and transport (Furbish, Schumer, et al, ; Reimann et al, ), surface exposure (Sohbati et al, ) and surface erosion (Sohbati et al, ; Guralnik & Sohbati, ), source area weathering and erosion (Haddadchi et al, ; Sawakuchi et al, ), fluvial sediment transport (Gray et al, ; McGuire & Rhodes, ), and coastal sediment transport (Ahmed et al, ; Reimann et al, ). Luminescence can provide quantitative sediment transport data from source to sink (Figure ) including the identification of provenance (Figure ).…”

Section: Introductionmentioning

confidence: 99%

Luminescence as a Sediment Tracer and Provenance Tool

Gray

Jain

Sawakuchi

et al. 2019

Reviews of Geophysics

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Luminescence holds unique potential as a sediment tracer and provenance method. The tracer application of luminescence has key advantages including ease of measurement, relatively low cost, and applicability to geologically ubiquitous quartz and feldspar sand and silt. These advantages can help answer fundamental questions about geomorphology, sediment transport, sediment production, and the tectonic/climatic controls on source‐to‐sink sedimentary systems. There is a notable body of research on luminescence as a sediment tracer. These tracer methods range from identifying source locations based on unique luminescence characteristics, to observing changes in luminescence characteristics with transport, to using residual luminescence to infer rates of transport. Previous applications of luminescence include provenance and quantification of fluvial transport rate, tracing of coastal longshore drift, estimations of mixing rates in soil or sediment, and provenance of wind‐blown deposits. The few studies that compare luminescence methods with nonluminescence tracer methods show good agreement. However, more work is needed to test the application of luminescence tracers in sediments. Future research directions should focus on comparing luminescence‐based with nonluminescence tracer methods. Furthermore, research is needed on the effects of specific geomorphic processes on luminescence characteristics and residual doses. While there is significant potential for future research, luminescence is already a useful sediment tracer and provenance tool applicable to a wide range of geomorphic environments.

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“…This is consistent with recently reported sand transport rates from the Mojave River. McGuire and Rhodes (2015) used the observed downstream increase in IRSL apparent ages, combined with measures of the degree of partial bleaching, to demonstrate cyclical bleaching and burial of grains as they are transported downriver. These observations, combined with a sediment SUPPLEMENTAL Copyright not claimed on content prepared wholly by U.S. government employees within scope of their employment.…”

Section: Research Papermentioning

confidence: 99%

“…Innovative approaches such as modeling the residence time of sand in ephemeral streams based on luminescence ages (e.g., McGuire and Rhodes, 2015), using various types of tracers to track sand (e.g., Crickmore, 1967;Rathburn and Kennedy, 1978;Milan and Large, 2014) or coarser material (e.g., Church and Hassan, 1992;Lamarre et al, 2005) are improving our ability to characterize these types of geomorphic systems, as are recent studies of climatic drivers (e.g., Enzel et al, 2003, and references therein;Miller et al, 2010;Kirby et al, 2012;Lyle et al, 2012;Antinao and McDonald, 2013). However, placing constraints on the paleodischarge of fluvial systems remains a difficult problem.…”

Section: Introductionmentioning

confidence: 99%

Paleodischarge of the Mojave River, southwestern United States, investigated with single-pebble measurements of¹⁰Be

2015

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The paleohydrology of ephemeral stream systems is an important constraint on paleoclimatic conditions in arid environments, but remains difficult to measure quantitatively. For example, sedimentary records of the size and extent of pluvial lakes in the Mojave Desert (southwestern USA) have been used as a proxy for Quaternary climate variability. Although the delivery mechanisms of this additional water are still being debated, it is generally agreed that the discharge of the Mojave River, which supplied water for several Pleistocene pluvial lakes along its course, must have been significantly greater during lake highstands. We used the 10 Be concentrations of 10 individual quartzite pebbles sourced from the San Bernardino Mountains and collected from a ca. 25 ka strath terrace of the Mojave River near Barstow, California, to test whether pebble ages record the timing of large paleodischarge of the Mojave River. Our exposure ages indicate that periods of discharge large enough to transport pebble-sized sediment occurred at least 4 times over the past ~240 k.y.; individual pebble ages cluster into 4 groups with exposure ages of 24.82 ± 4.36 ka (n = 3), 55.79 ± 3.67 ka (n = 2), 99.14 ± 12.07 ka (n = 4) and 239.9 ± 52.16 ka (n = 1). These inferred large discharge events occurred during both glacial and interglacial conditions. We demonstrate that bedload materials provide information about the frequency and duration of transport events in river systems. This approach could be further improved with additional measurements of one or more cosmogenic nuclides coupled with models of river discharge and pebble transport.

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Determining fluvial sediment virtual velocity on the Mojave River using K-feldspar IRSL: Initial assessment

Cited by 27 publications

References 25 publications

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

Luminescence as a Sediment Tracer and Provenance Tool

Paleodischarge of the Mojave River, southwestern United States, investigated with single-pebble measurements of¹⁰Be

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Determining fluvial sediment virtual velocity on the Mojave River using K-feldspar IRSL: Initial assessment

Cited by 27 publications

References 25 publications

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

Downstream MET-IRSL single-grain distributions in the Mojave River, southern California: Testing assumptions of a virtual velocity model

Luminescence as a Sediment Tracer and Provenance Tool

Paleodischarge of the Mojave River, southwestern United States, investigated with single-pebble measurements of10Be

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Paleodischarge of the Mojave River, southwestern United States, investigated with single-pebble measurements of¹⁰Be