2018
DOI: 10.1007/s11368-018-2168-z
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Combining sediment fingerprinting with age-dating sediment using fallout radionuclides for an agricultural stream, Walnut Creek, Iowa, USA

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Cited by 20 publications
(10 citation statements)
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“…Both Matisoff et al (2005) and Gellis et al (2016) acknowledged that a shortcoming of their approach was that they could not determine whether the channel-derived sediment originated from streambanks or from older surface-derived sediment that had been in channel storage for several decades. In a follow-up study, Gellis et al (2019) apportioned the sources of sediment in the agricultural Walnut Creek watershed, IA, USA, into channel banks and surface-derived sediment (pasture, prairie, cropland and unpaved roads) using sediment fingerprinting (elemental analysis) and fallout radionuclides ( 210 Pb ex and 7 Be) to determine the age of the surfacederived portion of sediment (Fig. 7).…”
Section: The Age and Residence Time Of Fine-grained Sedimentmentioning
confidence: 99%
“…Both Matisoff et al (2005) and Gellis et al (2016) acknowledged that a shortcoming of their approach was that they could not determine whether the channel-derived sediment originated from streambanks or from older surface-derived sediment that had been in channel storage for several decades. In a follow-up study, Gellis et al (2019) apportioned the sources of sediment in the agricultural Walnut Creek watershed, IA, USA, into channel banks and surface-derived sediment (pasture, prairie, cropland and unpaved roads) using sediment fingerprinting (elemental analysis) and fallout radionuclides ( 210 Pb ex and 7 Be) to determine the age of the surfacederived portion of sediment (Fig. 7).…”
Section: The Age and Residence Time Of Fine-grained Sedimentmentioning
confidence: 99%
“…This means that the luminescence of sediment grains at any given point in space or time will reflect the rates and mechanism of the sediment transport process (Figures and ) and the ambient sediment environment. To our knowledge, no other sediment tracer has this specific sensitivity to storage time and sunlight exposure, although some tracers such as beryllium‐7 ( 7 Be) and excess lead‐210 ( 210 Pb ex ) can be affected by burial (Gellis et al, ; Koiter et al, ). Thus, luminescence has unique potential to uncover new information on earth surface systems, possibly recording rates and mechanisms of sediment transport.…”
Section: Luminescence and Its Characteristics In Geomorphic Environmentsmentioning
confidence: 99%
“…To our knowledge, no other sediment tracer has this specific sensitivity to storage time and sunlight exposure, although some tracers such as beryllium-7 ( 7 Be) and excess lead-210 ( 210 Pb ex ) can be affected by burial (Gellis et al, 2018;Koiter et al, 2013). Thus, luminescence has unique potential to uncover new information on earth surface systems, possibly recording rates and mechanisms of sediment transport.…”
Section: Luminescence and Its Characteristics In Geomorphic Environmentsmentioning
confidence: 99%
“…Overall, Gateuille et al (2019) demonstrated that the sediment source fingerprinting technique can be utilized to investigate how the cumulative effects of anthropogenic and natural disturbances affect sediment source dynamics in a large river basin over short (i.e., annual) and longer (i.e., decadal) temporal scales. Gellis et al (2019) apportion sediment using elemental analysis and the sediment fingerprinting approach and age-date sediment with fallout radionuclides in the agricultural Walnut Creek Basin (Iowa, USA). In particular, the age-dating of sediment provides an important temporal context for understanding sediment source dynamics.…”
Section: Sediment Source Fingerprinting In the Critical Zonementioning
confidence: 99%
“…To further advance our understanding of the critical zone, we believe it is important for sediment source fingerprinting research to capitalize on combining multiple sediment source fingerprints to explicitly investigate Earth system science processes. In particular, the multi-fingerprint research in this special issue that simultaneously incorporates temporal fingerprints (e.g., 7 Be, 210 Pb xs ) with erosion process and spatial fingerprints (Gateuille et al 2019;Gellis et al 2019) outlines a potentially effective technique to investigate the response of critical zone processes to anthropogenic activities over multiple temporal scales. For example, short-term fingerprints such as 7 Be may provide information on erosion processes occurring on intra-annual temporal scales or even the individual rainfall event scale.…”
Section: Perspectives For Sediment Source Fingerprinting In the Critimentioning
confidence: 99%