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CH3041
SEDIMENTS
• Sediments are
bulk solids at the bottom of rivers,
lakes, estuaries & oceans which consist of clay, silt, sand & organic matter.
• Microscopic pores
in the sediment contain
pore water which is readily available to organisms. (local gas concentrations.eg CH4)
pore water which is readily available to organisms. (local gas concentrations.eg CH4)
• The conditions of
sediments are normally
anaerobic, reducing and highly leached.
anaerobic, reducing and highly leached.
• Clays, humic matter & clay-humic complexes are the major classes of substances responsible for organic
binding in sediments.
