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Table 4

Resuspension behaviour of aggregates generated from moderate concentrations of microbeads with phytoplankton and sediments and those from phytoplankton only. DOI: https://doi.org/10.1525/elementa.317.t4

Resuspension stageReplicate #Set-up 4, treatment 12aPhytoplankton only

 
u*crib (cm s–1)Average u*cri (cm s–1)u*cri (cm s–1)Average u*cri (cm s–1)

 
Beginning of resuspension 0.6 0.67 0.2 0.20 
0.7 0.2 
0.7 0.2 
Bedload transport 0.9 0.90 0.4 0.33 
0.8 0.3 
1.0 0.3 
Suspended load transport 1.4 1.33 0.5 0.50 
1.3 0.5 
1.3 0.5 
Resuspension stageReplicate #Set-up 4, treatment 12aPhytoplankton only

 
u*crib (cm s–1)Average u*cri (cm s–1)u*cri (cm s–1)Average u*cri (cm s–1)

 
Beginning of resuspension 0.6 0.67 0.2 0.20 
0.7 0.2 
0.7 0.2 
Bedload transport 0.9 0.90 0.4 0.33 
0.8 0.3 
1.0 0.3 
Suspended load transport 1.4 1.33 0.5 0.50 
1.3 0.5 
1.3 0.5 

a Roller tanks contained ~ 4000 microbeads L–1, 106 cells phytoplankton (T. weissflogii) L–1 and 130 mg L–1 sediments.

b Critical shear velocity.

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