Quantitative clay mineralogy as provenance indicator for recent muds in the southern North Sea

Adriaens, Rieko; Zeelmaekers, Edwin; Fettweis, M.; Vanlierde, E.; Vanlede, J.; Stassen, Peter; Elsen, Jan; Środoń, Jan; Vandenberghe, Noël

doi:10.1016/j.margeo.2017.12.011

Cited by 23 publications

(13 citation statements)

References 47 publications

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“…Salinity is generally between 28 to 34 ppt, varying mainly due to the advection of water mass exchanging between the Scheldt, Rhine and Seine and the ocean (Arndt et al, 2011;Fettweis and Baeye, 2015). The sources of present-day SPM are mainly from the erosion and resuspension of the Holocene and recent mud deposits that outcrop in the Belgian nearshore area (Adriaens et al, 2018).…”

Section: Study Area and Data Analysismentioning

confidence: 99%

Biophysical flocculation of suspended particulate matters in Belgian coastal zones

Shen

Toorman

Lee

et al. 2018

Journal of Hydrology

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The Floc Size Distributions (FSDs) of biomineral suspended particles are of great importance to understand the dynamics of bio-mediated Suspended Particulate Matters (SPMs). Field observations were investigated at Station MOW1 in Belgian coastal waters (southern North Sea) during two typical periods with abundant and reduced biomass. In addition, the Shen et al. (2018) [Water Res. Vol 145, pp 473-486] multi-class population balance flocculation model was extended to address the occurrence of suspended microflocs, macroflocs and megaflocs during these contrasting periods. The microflocs are treated as elementary particles that constitute macroflocs or megaflocs. The FSD is represented by the size and mass fraction of each particle group, which corresponds to a temporal and spatial varying mass weighted settling velocity. The representative sizes of macroflocs and megaflocs are unfixed and migrated between classes mainly due to the effects of turbulent shear, differential settling and biofilm growth. The growth of an aggregate because of bio-activities is allotted to each elementary particle. It is further

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Section: Study Area and Data Analysismentioning

confidence: 99%

Biophysical flocculation of suspended particulate matters in Belgian coastal zones

Shen

Toorman

Lee

et al. 2018

Journal of Hydrology

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“…In principle, flocculation depends on a number of local environmental conditions, for example, turbulence, cation concentration, SPM concentration as a proxy particle number density, mineral composition, POM concentration and composition (e.g., TEP) and microorganism (Dyer, 1989;Keyvani & Strom, 2014;Lai et al, 2018;Manning et al, 2010;Mietta et al, 2009;Zhang et al, 2021). The bulk mineralogical composition of the SPM in the study area is relatively constant and consists of 32%-39% clays, 25%-33% carbonates, 12%-18% quartz, 11%-15% amorphous silicates, and 5%-8% feldspars and accessory minerals (Adriaens et al, 2018). The cation concentrations are high and well above the threshold for salinity induced flocculation so that flocculation in the study area is above all controlled by the OM composition of the SPM, the SPM concentration and the hydrodynamic conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Changes in coastal ecosystems are often correlated with changes in water clarity or SPM concentration and thus with the POM content of the SPM (e.g., Capuzzo et al, 2015;May et al, 2003). The composition of SPM is the result of multiple natural processes that reflect the continuous mixing of marine and terrestrial particles of various ages and origins over geological time scales (Adriaens et al, 2018). Also, human activities have impacted the SPM concentration and composition.…”

Section: Consequences For the Modeling And Monitoring Of Coastal Ecos...mentioning

confidence: 99%

Organic Matter Composition of Biomineral Flocs and its Influence on Suspended Particulate Matter Dynamics along a Nearshore to Offshore Transect

Fettweis

Schartau

Desmit

et al. 2021

Preprint

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The particulate organic matter (POM) is, together with particulate inorganic matter (PIM), the main component of the suspended particulate matter (SPM) in marine ecosystems. The flux and export of mineral and organic particles depends on flocculation processes, which influence the particles' composition and settling velocity. Flocculation combines organic and mineral particles into biomineral flocs (B.

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“…In (sub-)tropical regions clay minerals in dredging sediments are predominantly kaolinitic or smectitic, as for instance shown in a survey of Nile dredging sediments [86]. In addition to clay minerals, quartz, calcite and iron-hydroxides are common impurities present in variable amounts [87]. Sulfides such as pyrite are often found in trace to minor amounts (<2-3 wt.…”

Section: Dredging Sediments -Belgium and Northern Francementioning

confidence: 97%

Properties and occurrence of clay resources for use as supplementary cementitious materials: a paper of RILEM TC 282-CCL

Díaz

Reyes²,

Hanein

et al. 2022

Mater Struct

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The use of clays as resource of supplementary cementitious materials (SCMs) for a new generation of low-carbon cements and concretes is currently the subject of intense research efforts. To this purpose, a large number of clay resources have been explored, characterized and evaluated. This paper introduces the basic knowledge and concepts on clay occurrence and clay mineralogy, before presenting up-to-date knowledge on properties and occurrence of clay resources suitable for use as SCMs. Occurrence, distribution and chemical and mineralogical selection criteria are discussed for kaolinitic clays, which often show superior reactivity and performance. 2:1 clay mineral resources have received somewhat less attention as SCMs resources, however recent developments indicate significant potential for calcined impure common clays, and are reviewed. An overview of ubiquitous clay mineral-bearing waste materials also identifies important opportunities for alternative clay sourcing in mining or extraction residues, and dredged or excavated sediments.

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Quantitative clay mineralogy as provenance indicator for recent muds in the southern North Sea

Cited by 23 publications

References 47 publications

Biophysical flocculation of suspended particulate matters in Belgian coastal zones

Biophysical flocculation of suspended particulate matters in Belgian coastal zones

Organic Matter Composition of Biomineral Flocs and its Influence on Suspended Particulate Matter Dynamics along a Nearshore to Offshore Transect

Properties and occurrence of clay resources for use as supplementary cementitious materials: a paper of RILEM TC 282-CCL

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