{"refrec":{"BRefID":438105,"RR":"<b>Fettweis, M.; Silori, S.; Desmit, X.</b> (2026). Particles in the North Sea: Final report. (New RV Belgica specific call 2021). Belgian Science Policy Office: Brussels. 33 pp.","BEntID":435936,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". Belgian Science Policy Office: Brussels.  33 pp.","DocTypID":13,"DocType":"Reports","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fettweis, M.; Silori, S.; Desmit, X.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fettweis, M.; Silori, S.; Desmit, X.","Englishabstract":"Suspended particulate matter (SPM) is composed of minerals and organic matter (OM). Their<br>interactions are driven by physical, chemical and biological processes, such as sorption of organic<br>molecules to mineral surfaces, inclusion of smaller organic particles into small clay mineral<br>aggregates, incorporation of organic particles into flocs. These processes vary along the land-ocean<br>transition, leading to spatial and temporal variability in the size, shape, composition, concentration<br>and transport pathways of the SPM. We have collected in situ data in the North Sea to characterise<br>the SPM composition and concentration. Measurements of SPM, particulate organic carbon (POC),<br>nitrogen (PON), transparent exopolymer particles (TEP), pigment and nutrient concentrations and<br>mineralogical composition have been used to provide complementary information on the POC<br>composition, such as the fresh, mineral-associated, detritus, slowly degrading, phytoplankton and<br>heterotrophic fractions. Further a new approach of combining a pair of optical-acoustic sensors to<br>estimate the total concentration and sand/mud composition of the SPM has been applied to long-<br>term sensor data. The aim of the proposal is to change the scope of in situ observations from merely<br>the collection of data towards the improvement and validation of mechanical or empirical models<br>that describe fundamental aspects of SPM composition and its fluxes in whole the North Sea and the English Channel.","AbstractOtherLang":null,"BibLvlCode":"M","StandardTitle":"Particles in the North Sea: Final report. 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