State of the Bay Report 2011-Final.pdf - Anchor Environmental

Dredge 1997
Dredge 1997
Dredge 1997
Dredge 1997
State of Saldanha Bay & Langebaan Lagoon 2011
Sediments
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
North channel Small Bay
Gravel
Sand
Mud
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
Multi-purpose Quay
Gravel
Sand
Mud
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
Yacht club basin
Gravel
Sand
Mud
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
Big Bay
Gravel
Sand
Mud
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
Mussel Farm
Gravel
Sand
Mud
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1977 1989 1990 1999 2000 2001 2004 2008 2009 2010 2011
Gravel
Sand
Mud
Channel end of ore jetty
Figure 5.11. Particle size composition (percentage gravel, sand and mud) of sediments at six localities in the small bay area of Saldanha Bay between 1977 and 2011.
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