BODC Cruise Metadata Report for RRS Charles Darwin (74AB) cruise CD174
Introduction
This report collates information from the BODC cruise inventory and oceanographic databases. It presents
- Cruise Inventory Information
- A summary of BODC data holdings for the cruise from the
- References - including cruise tracks and cruise reports
Cruise Inventory Information
| Long name | RRS Charles Darwin (74AB) cruise CD174 |
|---|---|
| Short name | CD174 |
| Objectives and Narrative |
Long (Part 1): Selected landscapes on the outer shelf between Ireland and the Outer Isles west of Scotland surveyed with high resolution profile equipment, including sparker and boomer. The areas surveyed cover a range of topographies typical of the area, including rock platform areas (Stanton Banks), Intrusions (Laconia Bank), iceberg plough-marked seabed (shelf edge), carbonate banks, topographic hollows with soft sediment infill (Malin Deep), active sediment banks and waves Hempton's Turbot Bank and NW Islay. This will allow greater resolution on BGS seabed sediments and Quaternary maps for the area, in particular providing morphological characterization. These surveys will improve the geological mapping resolution, in particular identifying various substrates, and allow extrapolation of the associated seabed habitat using BGS extensive profile database. The data will be integrated with swath survey, video and sample data to be collected by partner organizations within EU Interreg IIIb project MESH and used to test habitat mapping protocols.
Holmes (Parts 2 and 3): MARINE GEOLOGY AND GEOPHYSICS, ADJACENT IRISH AND UK ZONES ROCKALL TROUGH 1. Tie Barra Fan and Donegal Fan seismic stratigraphy to 5 secs two-way time 2. Comparison geological events on west and east flanks Rockall Trough UK and Irish zones 3. Investigation of timing, distribution and style of modern and historical submarine landslides and climate feedback into remobilisation of glacial, interglacial and contouritic sediments 4. Investigation of modern seabed processes in relation to sediment type and seabed features 5. Assessment of mass balance source to sink |
| Ship | RRS Charles Darwin |
| Departure Port | Fairlie, United Kingdom |
| Departure Date | 2005-08-11 |
| Arrival Port | Fairlie, United Kingdom |
| Arrival Date | 2005-09-08 |
| Principal Scientist(s) | David G Wallis (British Geological Survey Marine Operations) |
| Responsible Organisation | British Geological Survey, Edinburgh |
| Associated Project(s) | Continental Shelf and Margins |
| IHB Sea Areas Visited | Inner Seas off the West Coast of Scotland, North East Atlantic Ocean (limit 40W) |
| Marsden Squares Visited | 181;4/182;3 |
| Work Area Description | |
| Work Area Bounding Polygon | 55N,15W; 60N,15W; 60N,5W; 55N,5W; 55N,15W |
| Southern Limit | 55N |
| Northern Limit | 60N |
| Western Limit | 15W |
| Eastern Limit | 5W |
Cruise Inventory Datasets
| Geology and geophysics | |
|---|---|
| Gravity measurements |
Quantity:
track kilometres =
5000
Description: Marine gravity meter. Recorded in Ultrasys Long Format and MGD77. |
| Magnetic measurements |
Quantity:
track kilometres =
4000
Description: Proton magnetometer recorded in MGD77. |
| Single channel seismic reflection |
Quantity:
track kilometres =
500
Description: Surface tow boomer, simultaneously with sparker single channel |
| Single channel seismic reflection |
Quantity:
track kilometres =
550
Description: Sparker single channel, simultaneously with surface tow boomer |
| Single channel seismic reflection |
Quantity:
survey square kilometres =
20700
Description: EM12 multibeam bathymetry and backscatter, from approximately 500-2500m+ water depth, simultaneously along airgun lines, sparker lines to approximately 1500m water depth, pinger |
| Single channel seismic reflection |
Quantity:
track kilometres =
1080
Description: Airgun single channel, from approximately 500-2500m+ water depth, simultaneously with sparker to approx. 1500m water depth, pinger, multibeam |
| Single channel seismic reflection |
Quantity:
track kilometres =
200
Description: Sparker single channel, to approximately 1500m water depth only, simultaneously with airgun, pinger, multibeam |
| Single channel seismic reflection |
Quantity:
track kilometres =
5500
Description: Pinger 3.5khz, from approximately 500-2500m+ water depth, simultaneously with airgun, sparker to approx. 1500m water depth and multibeam |
| Single-beam echosounding |
Quantity:
track kilometres =
5000
Description: Precision echosounder Simrad EA500 recorded in MGD77. |
Cruise Inventory Mooring/Buoy Operations
No information on datasets is currently available
Summary of BODC Data Holdings for the Cruise
National Oceanographic Database
Summary
| # Series | Instrument Description | Parameters |
|---|---|---|
| 1 | Multi-beam echosounder |
Bathymetry and Elevation Horizontal spatial co-ordinates Reference numbers |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
Full List
| BODC Reference | Instrument Description | Date/Time | Location | |
|---|---|---|---|---|
| 1030251 | Multi-beam echosounder | 2005-08-30 12:00Z | Click for more |
Project Database
No data currently held for this cruise in the BODC Project Database
