Irrigation Engineering
According to Lacey, in regime conditions

Entire cross-section of the channel is generated at all points by the forces normal to the
Neither (a) nor (b)
Silt is kept in suspension by vertical components of eddies
Both (a) and (b)

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Irrigation Engineering
Lane's weighted creep theory assumes

Equal weightage to horizontal and vertical creeps
Triple weightage to vertical creep and one weightage to horizontal creep
Double weightage to horizontal creep and one weightage to vertical creep
Triple weightage to horizontal creep and one weightage to vertical creep

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