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Le Surell AR2/2004
Cruise summary report
| Cruise Info. | |
| Ship name | Le Surell |
| Cruise identifier | AR2/2004 |
| Cruise period | 2004-04-10 — 2004-04-12 |
| Status | Completed |
| Port of departure | Port-Saint-Louis-du-Rhône, France |
| Port of return | Port-Saint-Louis-du-Rhône, France |
| Purpose | Research |
| Objectives | EMCM, OBS, pressure sensor and grab sample surveys of the lower 7 km of the Rhône river, as well as the mouth area (delta top and delta front). Objectives were to gather information on river conditions prior to SED2 cruise deployments (13-16 April 2004), and to collect bottom samples for continued analysis of the relationship between river plume and bottom sediment distribution.
This cruise was the fourth in a series planned for the Gulf of Lions (see also AR1-2003, FR1-2003, AR1-2004) within Workpackage 1 (Shelf and River input systems) of the European Union FP5 project European Margin Strata Formation (EUROSTRATAFORM) (EVK3-CT-2002-00079). EUROSTRATAFORM objectives are to explore the fate of sediment particles from their source in rivers through to their deposition on shallow deltas, the continental shelf and deep sea basins. |
| Chief scientist | Carl L Amos (Southampton Oceanography Centre) |
| Ocean/sea areas | |
| General | Mediterranean Sea |
| Specific | Gulf of Lions, northwest Mediterranean |
| Measurements | |
| Geology and geophysics | |
| Grab | Quantity: number of stations = 10 Description: Bottom samples in river on 10/04/04, Van Veen grab, for provenance analysis at SOES labs, UK |
| Grab | Quantity: number of stations = 29 Description: Bottom samples in Rhone river mouth, delta top and front areas on 11/04/04, Van Veen grab, for provenance analysis at SOES labs, UK |
| Grab | Quantity: number of stations = 20 Description: Swash zone and dune beach samples E and W of Rhône river mouth on 11/04/04 and 12/04/04, hand sediment sampler, for provenance analysis at SOES labs, UK |
| Moorings, landers, buoys | |
| Physical oceanography | |
| Optics (eg underwater light levels) | 43° 21' 31" N 4° 50' 16" E — OBS (Valeport 730D), bottom turbidity, one instrument, 10.2 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Optics (eg underwater light levels) | 43° 20' 17" N 4° 50' 34" E — OBS (Valeport 730D), bottom turbidity, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Optics (eg underwater light levels) | 43° 22' 40" N 4° 48' 42" E — OBS (Valeport 730D), bottom turbidity, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, main channel, opposite La Pallisade |
| Current meters | 43° 21' 31" N 4° 50' 16" E — EMCM (Valeport 730D), bottom current velocity, one instrument, 10.2 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Current meters | 43° 22' 40" N 4° 48' 42" E — EMCM (Valeport 730D), bottom current velocity, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, main channel, opposite La Pallisade |
| Current meters | 43° 20' 17" N 4° 50' 34" E — EMCM (Valeport 730D), bottom current velocity, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Sea level (inc. bot. press., inverted echosounder) | 43° 20' 17" N 4° 50' 34" E — Pressure sensor (Valeport 730D), bottom pressure, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Sea level (inc. bot. press., inverted echosounder) | 43° 22' 40" N 4° 48' 42" E — Pressure sensor (Valeport 730D), bottom pressure, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, main channel, opposite La Pallisade |
| Sea level (inc. bot. press., inverted echosounder) | 43° 21' 31" N 4° 50' 16" E — Pressure sensor (Valeport 730D), bottom pressure, one instrument, 10.2 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Instrumented wave measurements | 43° 20' 17" N 4° 50' 34" E — Wave pressure sensor (Valeport 730D), wave frequency, wave velocity, wave amplitude, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
| Instrumented wave measurements | 43° 22' 40" N 4° 48' 42" E — Wave pressure sensor (Valeport 730D), wave frequency, wave velocity, wave amplitude, one instrument, 8.9 m water depth, deployed 10/04/04, recovered 12/04/04, main channel, opposite La Pallisade |
| Instrumented wave measurements | 43° 21' 31" N 4° 50' 16" E — Wave pressure sensor (Valeport 730D), wave frequency, wave velocity, wave amplitude, one instrument, 10.2 m water depth, deployed 10/04/04, recovered 12/04/04, in main channel near left bank |
