Date: 5/9/2001  
Weather: Rainy
Sea Condition: Rough
Tide: Mid-Flood
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 10:18 Surface 1 26.7 26.8 8.08 81.2 5.61 5.34 5.3 20.4 6.2 17.9 0.004 0.004 0.39 0.29
26.6 26.4 8.09 81.3 5.60 5.4
Middle 13 26.9 28.7 8.12 74.6 5.07 8.2 9.2 0.004 0.32
26.9 28.7 8.12 74.9 5.09 8.3
Bottom 24.5 26.9 30.7 8.04 71.3 4.79 4.80 47.5 38.4 0.003 0.17
26.9 30.7 8.03 71.5 4.80 47.6
Other Observations: Suspected plume migrated from SW of Hong Kong Island
SR2 10:00 Surface 1 26.8 26.8 8.12 79.3 5.46 5.37 5.1 5.9 5.4 6.8 0.004 0.004 0.37 0.34
26.7 26.9 8.13 80.4 5.54 4.7
Middle 5.5 26.9 27.6 8.11 76.5 5.23 5.4 5.2 0.004 0.37
26.9 27.6 8.12 76.6 5.24 5.2
Bottom 9.5 27.0 28.5 8.05 76.7 5.22 5.21 7.5 9.8 0.003 0.29
27.0 28.5 8.06 76.3 5.19 7.4
Other Observations: Nil
SR3 09:35 Surface 1 27.5 29.5 8.39 84.2 5.64 5.40 9.1 10.6 6.4 10.0 N.A. N.A. N.A. N.A.
27.5 29.4 8.38 84.4 5.66 9.2
Middle 4.5 27.2 31.9 8.29 77.7 5.15 11.4 10.8 N.A. N.A.
27.3 31.9 8.29 77.6 5.15 11.6
Bottom 7.5 27.1 32.1 8.29 77.6 5.17 5.19 11.2 12.8 N.A. N.A.
27.1 32.0 8.28 78.3 5.21 11.1
Other Observations: 2 dredgers at app 100m
SR4 09:23 Surface 1 26.5 27.5 8.25 94.8 6.51 5.95 19.7 13.0 17.4 13.3 0.004 0.004 0.16 0.13
26.5 27.4 8.26 94.6 6.51 20.1
Middle 4 26.9 30.5 8.23 81.2 5.39 9.5 8.6 0.003 0.12
27.0 30.6 8.24 81.1 5.38 9.4
Bottom 7 27.0 31.4 8.27 80.0 5.34 5.35 9.6 13.8 0.004 0.12
27.0 31.4 8.26 80.0 5.35 9.8
Other Observations: Nil
SR5 09:12 Surface 1 26.9 27.0 8.27 82.0 5.57 5.51 4.8 4.5 6.8 8.7 0.004 0.003 0.23 0.19
26.9 27.0 8.27 82.3 5.60 4.9
Middle 4.5 26.9 28.4 8.23 80.5 5.42 4.4 5.0 0.003 0.20
26.9 28.5 8.23 80.8 5.44 4.6
Bottom 7.5 26.9 31.2 8.24 80.3 5.38 5.39 4.2 14.2 0.003 0.14
26.9 31.2 8.25 80.4 5.39 4.3
Other Observations: Nil
SR6 09:00 Surface 1 26.4 26.6 8.21 93.7 6.51 6.44 5.7 4.9 12.6 8.5 0.003 0.003 0.22 0.18
26.3 26.7 8.20 93.5 6.50 5.4
Middle 5.5 26.5 27.2 8.23 92.1 6.35 5.3 7.4 0.003 0.17
26.5 27.2 8.22 92.3 6.38 5.2
Bottom 10 26.7 29.5 8.16 91.6 6.21 6.21 4.0 5.4 0.002 0.14
26.7 29.5 8.15 91.5 6.20 3.9
Other Observations: Nil
SR7 08:47 Surface 1 26.7 28.1 8.21 85.0 5.83 5.71 5.3 5.4 7.2 7.5 0.004 0.003 0.29 0.17
26.6 28.1 8.20 84.9 5.83 5.0
Middle 11.5 27.0 31.4 8.26 83.3 5.58 4.3 11.2 0.003 0.15
27.0 31.4 8.27 83.7 5.60 4.2
Bottom 21.5 27.1 33.2 8.22 80.5 5.32 5.32 6.7 4.0 0.001 0.08
27.1 33.4 8.23 80.5 5.32 6.6
Other Observations: Nil
C1 07:00 Surface 1 26.7 28.8 8.03 78.5 5.34 5.13 5.8 9.3 14.6 13.8 0.004 0.003 0.30 0.21
26.7 28.8 8.02 78.7 5.36 5.8
Middle 13 26.7 31.8 8.02 73.5 4.90 9.0 5.4 0.003 0.23
26.9 31.9 8.02 73.7 4.92 9.0
Bottom 25 26.7 32.3 7.81 70.7 4.70 4.71 13.2 21.4 0.001 0.11
26.7 32.2 7.82 70.8 4.72 13.2
Other Observations: Nil
C2 07:20 Surface 1 26.8 27.8 8.14 75.2 5.15 5.02 7.1 10.9 14.0 12.3 0.005 0.003 0.38 0.26
26.8 27.8 8.13 75.3 5.15 7.1
Middle 7 26.9 31.5 8.15 73.1 4.89 9.2 7.6 0.004 0.27
27.0 31.3 8.16 73.2 4.90 9.2
Bottom 13 27.0 32.5 7.92 73.0 4.86 4.85 16.3 15.4 0.001 0.13
27.0 32.5 7.95 72.9 4.84 16.3
Other Observations: Nil
C3 07:42 Surface 1 26.6 26.2 8.15 83.6 5.80 5.41 5.6 6.9 4.4 6.2 0.004 0.003 0.38 0.23
26.6 26.2 8.14 83.8 5.81 5.6
Middle 5 27.0 29.9 8.19 74.5 5.02 6.9 6.6 0.003 0.22
27.0 29.9 8.19 74.2 5.01 6.9
Bottom 9 27.1 30.5 8.03 79.5 5.33 5.33 8.3 7.6 0.002 0.10
27.1 30.6 8.05 79.5 5.33 8.3
Other Observations: Nil
C4 08:03 Surface 1 26.7 28.1 8.19 80.3 5.49 5.54 4.7 6.8 4.8 8.8 0.004 0.003 0.36 0.19
26.7 28.0 8.18 80.4 5.50 4.7
Middle 7 27.1 32.0 8.31 83.7 5.57 3.6 7.6 0.003 0.15
27.1 31.9 8.30 83.8 5.58 3.6
Bottom 13 27.1 32.6 8.17 78.9 5.23 5.23 12.1 14.0 0.001 0.06
27.1 32.6 8.18 78.8 5.23 12.1
Other Observations: Nil
C5 08:24 Surface 1 26.7 29.8 8.34 97.5 6.62 6.20 3.7 6.9 11.2 8.0 0.004 0.002 0.13 0.07
26.7 29.8 8.34 97.8 6.64 3.7
Middle 11.5 27.2 32.3 8.36 87.3 5.77 4.0 3.8 0.001 0.05
27.2 32.4 8.37 87.4 5.78 4.0
Bottom 22 27.0 33.7 8.29 81.8 5.39 5.40 13.1 9.0 0.001 0.04
27.0 33.7 8.29 81.9 5.40 13.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 5/9/2001  
Weather: Rainy
Sea Condition: Rough
Tide: Mid-Ebb
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 14:55 Surface 1 26.5 26.4 8.12 80.6 5.76 5.61 5.6 14.5 4.4 11.3 0.004 0.004 0.36 0.31
26.5 26.5 8.12 80.7 5.76 5.7
Middle 12.5 26.9 26.8 8.14 78.5 5.44 9.2 7.4 0.005 0.34
26.9 26.8 8.15 78.6 5.46 9.4
Bottom 24 26.8 26.6 8.08 74.3 5.05 5.06 28.7 22.0 0.003 0.23
26.8 26.5 8.09 74.4 5.06 28.6
Other Observations: Nil
SR2 14:35 Surface 1 26.6 26.6 8.17 81.8 5.62 5.51 4.6 5.6 4.0 5.4 0.005 0.004 0.38 0.35
26.6 26.6 8.17 81.9 5.62 4.7
Middle 5 26.7 27.2 8.14 79.7 5.40 5.4 5.2 0.004 0.37
26.7 27.2 8.14 79.8 5.40 5.3
Bottom 9 27.0 28.3 8.10 79.4 5.36 5.37 6.6 7.0 0.004 0.31
27.0 28.3 8.11 79.5 5.37 6.7
Other Observations: Nil
SR3 14:14 Surface 1 27.4 29.2 8.37 81.7 5.56 5.40 8.7 8.9 6.8 8.9 N.A. N.A. N.A. N.A.
27.5 29.2 8.36 81.6 5.55 8.6
Middle 4 27.2 31.4 8.30 78.1 5.24 8.9 11.8 N.A. N.A.
27.3 31.4 8.30 78.2 5.25 9.0
Bottom 7 27.2 32.0 8.29 78.0 5.22 5.22 9.2 8.2 N.A. N.A.
27.1 32.0 8.30 78.0 5.21 9.1
Other Observations: 3 dredgers at app 100m
SR4 14:02 Surface 1 26.5 27.2 8.24 93.6 6.38 6.04 18.4 12.8 19.6 13.3 0.003 0.003 0.31 0.19
26.5 27.3 8.23 93.4 6.36 18.6
Middle 4 26.8 30.1 8.21 94.4 5.70 9.7 9.6 0.003 0.14
26.8 30.1 8.22 94.5 5.71 9.9
Bottom 6.5 26.9 31.1 8.24 83.2 5.60 5.61 10.1 10.8 0.003 0.11
27.0 31.1 8.25 83.2 5.61 10.2
Other Observations: Nil
SR5 13:52 Surface 1 26.8 26.9 8.25 84.7 5.84 5.83 4.6 4.2 5.4 7.1 0.004 0.003 0.23 0.18
26.8 26.9 8.24 84.8 5.85 4.4
Middle 4.5 26.5 28.1 8.20 84.2 5.80 4.0 6.0 0.003 0.17
26.5 28.2 8.19 84.3 5.81 3.9
Bottom 7.5 26.9 31.2 8.22 83.6 5.71 5.73 4.2 10.0 0.002 0.14
26.9 31.2 8.21 83.8 5.74 4.2
Other Observations: Nil
SR6 13:42 Surface 1 26.3 26.3 8.20 92.7 6.44 6.39 5.2 4.6 7.0 7.4 0.003 0.003 0.20 0.16
26.3 26.3 8.20 92.8 6.45 5.1
Middle 5.5 26.3 27.1 8.24 91.4 6.32 4.8 5.2 0.003 0.15
26.4 27.1 8.25 91.5 6.33 4.9
Bottom 9.5 26.5 29.4 8.17 91.0 6.28 6.29 3.8 10.0 0.002 0.14
26.5 29.4 8.18 91.1 6.29 3.6
Other Observations: Nil
SR7 13:30 Surface 1 26.5 28.0 8.24 88.1 6.10 5.94 4.9 4.9 5.8 4.9 0.005 0.003 0.30 0.18
26.5 28.0 8.25 87.8 6.07 4.8
Middle 10.5 27.0 31.1 8.28 85.5 5.79 4.2 5.6 0.003 0.17
27.0 31.2 8.28 85.6 5.81 4.1
Bottom 20 27.1 33.0 8.19 81.7 5.44 5.45 5.8 3.2 0.001 0.08
27.1 33.0 8.20 81.8 5.45 5.7
Other Observations: Nil
C1 11:50 Surface 1 26.7 28.3 8.02 80.8 5.56 5.34 7.2 10.4 15.0 12.5 0.004 0.003 0.28 0.20
26.7 28.3 8.01 80.9 5.57 7.4
Middle 13 26.9 31.6 8.01 75.6 5.11 9.6 7.2 0.003 0.22
27.0 31.4 8.01 75.7 5.13 9.7
Bottom 25 26.5 32.0 7.90 72.0 4.81 4.82 14.2 15.4 0.001 0.11
26.5 32.0 7.91 72.2 4.82 14.1
Other Observations: Nil
C2 12:09 Surface 1 26.8 27.5 8.12 76.4 5.26 5.13 7.6 10.4 6.2 8.1 0.005 0.003 0.37 0.26
26.7 27.6 8.11 76.6 5.28 7.7
Middle 7 26.9 31.1 8.13 73.7 4.98 8.4 8.0 0.003 0.23
26.9 31.1 8.14 73.7 4.99 8.5
Bottom 12.5 27.0 32.3 7.95 73.1 4.93 4.94 15.2 10.0 0.002 0.17
27.0 32.3 7.96 73.2 4.94 15.1
Other Observations: Nil
C3 12:26 Surface 1 26.4 26.1 8.10 83.0 5.74 5.45 6.2 7.4 7.7 7.7 0.004 0.003 0.38 0.24
26.4 26.0 8.11 82.8 5.72 6.3
Middle 5 26.9 28.7 8.14 77.8 5.17 7.4 7.4 0.003 0.21
26.9 28.8 8.16 77.9 5.18 7.6
Bottom 9 27.0 30.1 8.05 78.6 5.25 5.24 8.6 8.0 0.002 0.12
27.0 30.2 8.06 78.4 5.23 8.5
Other Observations: Nil
C4 12:45 Surface 1 26.7 27.9 8.17 82.7 5.64 5.62 5.0 6.4 6.6 7.1 0.004 0.002 0.34 0.18
26.6 27.9 8.16 82.7 5.63 5.1
Middle 7 27.0 31.2 8.22 82.5 5.60 4.4 6.8 0.002 0.14
27.0 31.3 8.23 82.4 5.62 4.3
Bottom 12.5 26.9 32.1 8.18 79.1 5.31 5.32 9.8 8.0 0.001 0.06
26.9 32.1 8.16 79.4 5.33 9.7
Other Observations: Nil
C5 13:11 Surface 1 26.5 29.7 8.32 96.8 6.56 6.18 3.4 5.3 7.2 5.9 0.003 0.002 0.12 0.06
26.5 29.7 8.31 96.5 6.53 3.5
Middle 11.5 27.1 32.1 8.35 84.4 5.80 3.6 6.0 0.001 0.04
27.1 32.1 8.35 84.5 5.81 3.5
Bottom 21.5 26.9 33.5 8.30 81.3 5.54 5.55 8.8 4.4 0.001 0.03
26.9 33.5 8.30 81.3 5.55 8.7
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.