Results 181 to 190 of about 462,478 (222)

The uncertainties associated with sediment fingerprinting suspended and recently deposited fluvial sediment in the Nene river basin [PDF]

Geomorphology, 2015
The use of tracers within a sediment fingerprinting framework has become a commonly used technique for investigating the sources of fine sediment. However, uncertainties associated with tracer behaviour have been cited as major potential limitations to ...
Ian D L Foster, Simon Pulley, Paula Antunes   +2 more
exaly   +2 more sources

Fingerprinting the sources of water-mobilized sediment threatening agricultural and water resource sustainability: Progress, challenges and prospects in China [PDF]

Science China Earth Sciences, 2019
Sediment source fingerprinting apportions the sources of sediment produced by water erosion by linking sampled sediment mixtures and landscape source materials using diagnostic and conservative fingerprints.
Adrian Collins, Bojie Fu‏, Qiang Tang
exaly   +2 more sources

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Sediment source fingerprinting and the temporal variability of source contributions

Journal of Environmental Management, 2023
Sediment source fingerprinting has been progressively developed and refined over the past 40 years or more and now represents a widely used and valuable technique, with important practical applications. However, relatively little attention has been given to the target samples and the extent to which they are able to provide meaningful information on ...
Ying Liu, Des E. Walling, Mingyi Yang, Fengbao Zhang   +3 more
openaire   +2 more sources

Nanosize inclusions as a fingerprint for aeolian sediments

Journal of Nanoparticle Research, 2020
Backscattered electron microscopy was used to analyze the inclusions within twelve different samples from dunes (Recent) and the Dibdiba Formation (Miocene to Pleistocene) sediments. The twelve aeolian samples were collected from a line transect across the main wind corridor, representing the downwind, mid, and upwind areas (three in each set).
Ali Al-Dousari, Ken Pye, Abdsalam Al-Hazza, Fatima Al-Shatti, Modi Ahmed, Noor Al-Dousari, Mohamad Rajab   +6 more
openaire   +1 more source

Use of sediment source fingerprinting to assess the role of subsurface erosion in the supply of fine sediment in a degraded catchment in the Eastern Cape, South Africa [PDF]

Journal of Environmental Management, 2017
Sediment source fingerprinting has been successfully deployed to provide information on the surface and subsurface sources of sediment in many catchments around the world.
Ian D L Foster, Adrian Collins, Kate M Rowntree   +2 more
exaly   +2 more sources

Isotopic Fingerprints of Anthropogenic Molybdenum in Lake Sediments

Environmental Science & Technology, 2012
We measured the molybdenum isotope compositions (δ(98)Mo) of well-dated sediment cores from two lakes in eastern Canada in an effort to distinguish between natural and anthropogenic contributions to these freshwater aquatic systems. Previously, Chappaz et al.
Anthony, Chappaz, Timothy W, Lyons, Gwyneth W, Gordon, Ariel D, Anbar   +3 more
openaire   +2 more sources

Validating the accuracy of multiple sediment fingerprinting methods

Land Degradation & Development, 2022
AbstractSediment source fingerprinting provides an effective and reliable way for targeted control of soil erosion. However, the accuracy of source contribution predictions of different fingerprinting methods has not been well verified, which affects the further application of these methods.
Wei Dai, Dan Chen, Mengjie Li, Yi Zeng, Lingshan Ni, Nufang Fang, Zhihua Shi   +6 more
openaire   +1 more source

Sediment Fingerprinting to Determine the Source of Suspended Sediment in a Southern Piedmont Stream

Journal of Environmental Quality, 2010
Thousands of stream miles in the southern Piedmont region are impaired because of high levels of suspended sediment. It is unclear if the source is upland erosion from agricultural sources or bank erosion of historic sediment deposited in the flood plains between 1830 and 1930 when cotton farming was extensive.
R, Mukundan, D E, Radcliffe, J C, Ritchie, L M, Risse, R A, McKinley   +4 more
openaire   +2 more sources

Storm event sediment fingerprinting for temporal and spatial sediment source tracing

Hydrological Processes, 2020
AbstractSediment fingerprinting has been widely used to distinguish discrete sediment sources; however, application to intra‐storm sediment source variability has received relatively little focus despite the benefit being long recognized. In this investigation, sediment fingerprinting was applied to a 53‐hr storm event sampled hourly to determine ...
Simon S. Vale, Ian C. Fuller, Jonathan N. Procter, Les R. Basher, John R. Dymond   +4 more
openaire   +1 more source

Allelic deletion fingerprinting of urine cell sediments in bladder cancer

Molecular Diagnosis, 2001
Bladder cancer shows frequent nonrandom allelic deletion at various chromosomal regions. Genotypic detection methods could potentially identify patients at risk for recurrent progressive disease. In this study, we examined allelic deletion at specific chromosomal loci in tumor tissue and urine cell sediment samples using a microsatellite-based protocol.
P C, Larsson, B, Beheshti, H A, Sampson, M A, Jewett, R, Shipman   +4 more
openaire   +2 more sources