ISSN:
1573-5117
Keywords:
biogeochemistry
;
rivers
;
sediment
;
water quality
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract To understand the nature of sediment-associated nutrient and contaminant transport dynamics in fluvial systems, a stormflow sampling program of suspended solids is reported for one water year in a representative rural diffuse source catchment of southeastern Ontario. Bulk samples of subsieve suspended solids were obtained using field-portable continuous-flow centrifuge apparatus. The physical and geochemical properties of suspended solids show no significant intersite differences over reaches of 1 500–2 000 m, yet display distinctive seasonal trends. Systematic seasonal changes in particle size, organic content, and Ca, P, Mn, Al, Ti, Fe, and K appear to reflect the changing role of partial area hydrology. Ca, P, and Mn are bioaccumulated by stream algae. Mineral signature is relatively constant over the year.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00940095
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