442
Hjalmar THIEL
Fig. 13.5. The floating riser concept for sewage sludge and dredge spoil disposal (modified from Valent and Young, 1995).
Fig. 13.6. Surface emplacement concept for contained sewage sludge and dredge spoil disposal (modified from Valent and Young, 1995).
particularly when the waste is dumped uncontained.
The immediate effect would be the burial of the dump
site, killing all epifauna and infauna except where the
mud layer is less than a few millimetres thick, although
even in this outer zone the sediment surface, containing
the main food source, will be disturbed. At the same
time plankton and benthos in the near-field of the dump
may be affected through the particulate matter in the
Hjalmar THIEL
Fig. 13.5. The floating riser concept for sewage sludge and dredge spoil disposal (modified from Valent and Young, 1995).
Fig. 13.6. Surface emplacement concept for contained sewage sludge and dredge spoil disposal (modified from Valent and Young, 1995).
particularly when the waste is dumped uncontained.
The immediate effect would be the burial of the dump
site, killing all epifauna and infauna except where the
mud layer is less than a few millimetres thick, although
even in this outer zone the sediment surface, containing
the main food source, will be disturbed. At the same
time plankton and benthos in the near-field of the dump
may be affected through the particulate matter in the