Liverpool Bay Coastal Observatory Site 21
This station is one of 34 stations regularly visited by the Proudman Oceanographic Laboratory (POL) as part of the Liverpool Bay Coastal Observatory. The main activity at this site are CTD profiles (since August 2002) which are taken during each site visit. This station was also the secondary mooring site (also referred to as Site B) for the Coastal Observatory project between April 2005 and March 2010. After March 2010 the moorings were moved to site 20. The station lies within a box of mean water depth 24 m with the following co-ordinates:
| Box Corner | Latitude (+ve North) | Longitude (+ve East) |
|---|---|---|
| North-west corner | 53.46028 | -3.658 |
| South-east corner | 53.44249 | -3.6105 |
The position of this station relative to the other POL Coastal Observatory sites can be seen from the figure below.
Mooring Deployment History
2010
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS, Telemetry ADCP | 1088, 1092, 1096, 1100, 1104, 1107, 1111 | January - December |
| SmartBuoy | CT, FL, OBS, BD | 1087, 1091, 1095, 1099, 1103, 1110, 1115 | January - December |
2009
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS, Telemetry ADCP | 1057, 1065, 1069, 1072, 1076, 1080, 1084 | January - December |
| SmartBuoy | CT, FL, OBS, BD | 1056, 1064, 1068, 1075, 1079, 1083 | January - December |
2008
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS, Telemetry ADCP | 1026, 1030, 1033, 1038, 1053 | January - December |
| SmartBuoy | CT, FL, OBS, BD | LB2_023/1025, LB2_024/1029, LB2_025/1034, LB2_026/1037, LB2_029/1052 | January - December |
2007
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS, Telemetry ADCP | 992, 999, 1002, 1007, 1012, 1019 | January - December |
| SmartBuoy | CT, FL, OBS, BD | 991, LB2_016/998, LB2_017/1003, LB2_018/1006, LB2_019/1011, LB2_020/1015, LB2_021/1018, LB2_022/1022 | January - December |
2006
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS, Telemetry ADCP | 952, 960, 964, 968, 972, 976, 980, 984, 988 | January - December |
| SmartBuoy | CT, FL, OBS, BD | LB2_006, LB2_007, LB2_008, LB2_009, LB2_010, LB2_011, LB2_012, LB2_013/983, LB2_014/987 | January - December |
2005
| Rig Type | Typical Instruments | Rig IDs | Comment |
|---|---|---|---|
| Frame | ADCP, CTD, OBS | 923, 927, 931, 936, 940, 943, 947, 950 | January - December |
| SmartBuoy | CT, FL, OBS, WMS | LB2_001/926, LB2_002/930, LB2_003/935, LB2_004/939, LB2_005/946 | May - December |
| Marker buoy | CT | 922 | April - May |
CTD Sampling History
| Year | Number of Cruises | Total Casts per year |
| 2011 | 5 | 5 |
| 2010 | 6 | 6 |
| 2009 | 7 | 18 |
| 2008 | 9 | 16 |
| 2007 | 8 | 17 |
| 2006 | 9 | 18 |
| 2005 | 9 | 14 |
| 2004 | 8 | 8 |
| 2003 | 9 | 9 |
| 2002 | 2 | 2 |
The CTD instrument package for these cruises was a Sea-Bird 911plus, with beam transmissometer, fluorometer, LICOR PAR sensor, LISST-25, and oxygen sensor.
Key
ADCP = Acoustic Doppler Current Profiler
BD = Bacterial degradation experiment
CT = Conductivity and temperature logger
CTD = Conductivity, temperature, depth sensor
FL = Fluorometer
OBS = Optical Backscatter Turbidity meter
Telemetry ADCP = ADCP sending data back to shore in real-time
WMS = Automatic water sampler
