Assessment of Suspended Sediment and Associated Pollutant Transport at the Catchment Scale

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Erosion and Sediment Transport".

Deadline for manuscript submissions: 10 August 2024 | Viewed by 1240

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Area of Physical Geography, GEAAT Research Group, Department of History, Art and Geography, University of Vigo, As Lagoas s/n, 32004 Ourense, Spain
Interests: hydrology; soil erosion; sediment and nutrient dynamics; hydrology modeling
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Special Issue Information

Dear Colleagues,

In many rivers, suspended sediment and associated pollutants have been identified as leading causes of river impairment. Therefore, a deeper understanding of suspended sediment and associated pollutant transport mechanisms and dynamics, as well as an accurate quantification of their fluxes, is important for sustainable water and sediment management purposes.

In this Special Issue, papers that investigate suspended sediment (and associated elements) transport at catchment scale are welcome. Papers should improve our knowledge of factors controlling particulate element transport mechanisms across different landscapes and provide robust diagnoses and guidelines to decision makers. We especially encourage contributions dealing with long-term monitoring datasets, comparative studies, and those that attempt high-resolution monitoring across multiple temporal and spatial scales. In addition, we welcome studies using new technologies and innovative methods for monitoring particulate elements and those investigating the impact of global change on sediment (and associated pollutants) transport by rivers.

Dr. Maria Luz Rodriguez Blanco
Guest Editor

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Keywords

  • sediment transport
  • pollutants associated with sediment
  • catchment scale
  • long-term monitoring
  • high resolution

Published Papers (1 paper)

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Research

12 pages, 2972 KiB  
Article
Differentiating Potential Suspended Sediment Sources Using Radionuclide Tracers and Soil Organic Matter Analysis in a Headwater Catchment in Chuncheon, South Korea
by Sooyoun Nam, Kidae Kim, Sujin Jang, Jaeuk Lee, Shinwoo Gi, Minseok Kim, Jin Kwan Kim and Sukwoo Kim
Water 2024, 16(1), 182; https://doi.org/10.3390/w16010182 - 04 Jan 2024
Viewed by 1014
Abstract
Identifying potential sources of suspended sediment (SS) in headwater catchments is crucial for water quality management. To differentiate these potential SS sources, we investigated the distribution of two fallout radionuclides (FRNs), 137Cs and 210Pbex, using gamma spectrometry along with [...] Read more.
Identifying potential sources of suspended sediment (SS) in headwater catchments is crucial for water quality management. To differentiate these potential SS sources, we investigated the distribution of two fallout radionuclides (FRNs), 137Cs and 210Pbex, using gamma spectrometry along with soil organic matter (SOM) analysis in a headwater catchment with five potential SS sources: cultivated land, non-harvested forest floor, eroded hillslope, harvested forest floor, and stream bank. The 137Cs and 210Pbex concentrations and the SOM content were considerably higher in the harvested forest floor materials than in the other four potential SS source materials. FRN concentrations revealed distinct properties according to the type of potential SS sources. Specifically, the combination of FRNs (with the effect of SOM content removed) associated with the mineral fraction and SOM showed distinguishable differences among the potential SS sources, except for no difference between cultivated land and eroded hillslope. Therefore, SOM and FRNs, or their combination, can be effective indices to differentiate or trace potential SS sources on various land use/land cover types within a catchment. Further field tests will allow the tracing techniques that bind FRNs with SOM to contribute to understanding SS transport from non-point sources within a catchment. Full article
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