Cruise inventory
RRS James Clark Ross JR20110319 (JR252, JR254C)
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS James Clark Ross (74JC) |
| Cruise identifier | JR20110319 (JR252, JR254C) |
| Cruise period | 2011-03-19 — 2011-04-06 |
| Status | Completed |
| Port of departure | Stanley, Falkland Islands (Malvinas) |
| Port of return | Punta Arenas, Chile |
| Purpose | Research |
| Objectives | One mooring was recovered and two were deployed in the northern Weddell Sea, to extend long-term measurements of the export of Weddell Sea Deep and Bottom Water in the Weddell Gyre by Lamont-Doherty Earth Observatory (LDEO), Columbia University. Two moorings were recovered and five were deployed in Orkney Passage, to extend long-term time series measuring the export of Weddell Sea Deep Water through Orkney Passage; these moorings are maintained in collaboration between BAS and LDEO, and form part of BAS Long-term Monitoring and Survey project. In addition, CTD profiles were obtained at the locations of deployed and recovered moorings.
During the cruise a tethered and a free-floating spar buoy, as well as a tethered balloon were deployed to measure the effect of breaking waves on air/sea interaction and gas exchange. This was part of the WAGES project, National Oceanography Centre, Southampton and University of Leeds. |
| Chief scientist | Povl Abrahamsen (British Antarctic Survey) |
| Cruise report |  (4.26 MB) |
| Ocean/sea areas | |
| General | Southern Ocean |
| Specific | Orkney Passage, South Scotia Ridge, Drake Passage |
| Track charts | (0.12 MB) |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: activity duration in days = 15 Description: Routine underway measurements of temperature and salinity |
| CTD stations | Quantity: number of stations = 10 Description: CTD casts, using Sea-Bird Electronics 9+ with dual temperature/conductivity sensors, dissolved oxygen, transmissometer, scatterometer, PAR sensor |
| Geochemical tracers (eg freons) | Quantity: activity duration in days = 15 Description: Underway measurements of dissolved CO2 in the atmosphere and in surface water |
| Current meters | Quantity: number of deployments = 12 Description: Tethered spar buoy measuring surface waves, with current meter attached. |
| Current profiler (eg ADCP) | Quantity: activity duration in days = 15 Description: Current measurements from ship-mounted ADCP |
| Surface drifters/drifting buoys | Quantity: number of deployments = 12 Description: Tethered spar buoy measuring surface waves, with current meter attached. |
| Surface drifters/drifting buoys | Quantity: number of deployments = 5 Description: Free-drifting spar buoy measuring surface waves |
| Instrumented wave measurements | Quantity: number of deployments = 5 Description: Free-drifting spar buoy measuring surface waves |
| Instrumented wave measurements | Quantity: activity duration in days = 15 Description: Radar measurements of surface waves |
| Instrumented wave measurements | Quantity: number of deployments = 12 Description: Tethered spar buoy measuring surface waves, with current meter attached. |
| Instrumented wave measurements | Quantity: number of deployments = 7 Description: Tethered balloon, with downward-looking camera to photograph breaking waves on ocean surface |
| Meteorology | |
| Atmospheric chemistry | Quantity: activity duration in days = 15 Description: Underway measurements of dissolved CO2 in the atmosphere and in surface water |
| Other meteorological measurements | Quantity: activity duration in days = 15 Description: Boundary layer measurements using fast-response sonic anemometer and meteorological sensors mounted on ship’s foremast. |
| Moorings, landers, buoys | |
| Physical oceanography | |
| Current meters | 60° 36' 47" S 41° 58' 17" W — Mooring OP5, deployed 27/3, 2 current meters, 2 temperature recorders |
| Current meters | 60° 39' 18" S 42° 6' 17" W — Mooring OP2, recovered 25/3, 2 current meters, 4 temperature/pressure recorders |
| Current meters | 60° 35' 24" S 41° 49' 47" W — Mooring OP4, deployed 26/3, 3 current meters, 2 temperature/conductivity/pressure recorders, 1 temperature recorder |
| Current meters | 60° 38' 17" S 42° 10' 23" W — Mooring OP2, deployed 27/3, 3 current meters, 3 temperature/conductivity/pressure recorders |
| Current meters | 63° 31' 17" S 41° 45' 59" W — Mooring M3, deployed 23/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 2 temperature recorders, 1 temperature/pressure recorder |
| Current meters | 62° 36' 59" S 43° 14' 29" W — Mooring M2, deployed 24/3, 1 current meter, 1 temperature/conductivity/pressure recorder, 1 temperature/pressure recorder |
| Current meters | 60° 39' 18" S 42° 13' 41" W — Mooring OP3, deployed 25/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 1 temperature/pressure recorder |
| Current meters | 63° 31' 23" S 41° 46' 5" W — Mooring M3, recovered 23/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 2 temperature recorders, 1 temperature/pressure recorder |
| Current meters | 60° 39' 53" S 42° 11' 47" W — Mooring OP3, recovered 25/3, 2 current meters, 2 temperature/conductivity/pressure recorders |
| Current meters | 60° 37' 41" S 42° 5' 17" W — Mooring OP1, deployed 26/3, 4 current meters, 3 temperature/conductivity/pressure recorders, 2 temperature recorders |
| Other physical oceanographic measurements | 60° 35' 24" S 41° 49' 47" W — Mooring OP4, deployed 26/3, 3 current meters, 2 temperature/conductivity/pressure recorders, 1 temperature recorder |
| Other physical oceanographic measurements | 60° 37' 41" S 42° 5' 17" W — Mooring OP1, deployed 26/3, 4 current meters, 3 temperature/conductivity/pressure recorders, 2 temperature recorders |
| Other physical oceanographic measurements | 60° 39' 18" S 42° 13' 41" W — Mooring OP3, deployed 25/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 1 temperature/pressure recorder |
| Other physical oceanographic measurements | 60° 39' 53" S 42° 11' 47" W — Mooring OP3, recovered 25/3, 2 current meters, 2 temperature/conductivity/pressure recorders |
| Other physical oceanographic measurements | 60° 39' 18" S 42° 6' 17" W — Mooring OP2, recovered 25/3, 2 current meters, 4 temperature/pressure recorders |
| Other physical oceanographic measurements | 62° 36' 59" S 43° 14' 29" W — Mooring M2, deployed 24/3, 1 current meter, 1 temperature/conductivity/pressure recorder, 1 temperature/pressure recorder |
| Other physical oceanographic measurements | 63° 31' 17" S 41° 45' 59" W — Mooring M3, deployed 23/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 2 temperature recorders, 1 temperature/pressure recorder |
| Other physical oceanographic measurements | 63° 31' 23" S 41° 46' 5" W — Mooring M3, recovered 23/3, 2 current meters, 2 temperature/conductivity/pressure recorders, 2 temperature recorders, 1 temperature/pressure recorder |
| Other physical oceanographic measurements | 60° 36' 47" S 41° 58' 17" W — Mooring OP5, deployed 27/3, 2 current meters, 2 temperature recorders |
| Other physical oceanographic measurements | 60° 38' 17" S 42° 10' 23" W — Mooring OP2, deployed 27/3, 3 current meters, 3 temperature/conductivity/pressure recorders |
