Suspended material in water refers to particulate matter that remains dispersed within the water column rather than settling rapidly to the bottom, typically due to small particle size, low density, or water turbulence. It encompasses inorganic particles (e.g., silt, clay, mineral fragments) and organic particles (e.g., detritus, plankton, microbial aggregates), often quantified as total suspended solids (TSS). Suspended material influences light attenuation, heat distribution, and biogeochemical cycling, serving as vectors for nutrients, contaminants, and microorganisms. In aquatic research, characterization of suspended material includes particle size distribution, composition, concentration, and settling dynamics, all of which affect sediment transport, water quality, and ecosystem functioning.
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