Search the data

BODC Cruise Metadata Report for RRS James Cook (740H) cruise JC094

Introduction

This report collates information from the BODC cruise inventory and oceanographic databases. It presents

Cruise Inventory Information

Long name RRS James Cook (740H) cruise JC094
Short name JC094
Objectives and Narrative Reconstructing abrupt Changes in Chemistry and Circulation of the Equatorial Atlantic Ocean: Implications for global Climate and deep-water Habitats.

Objectives

(a) Controls on coral habitats past and present
Studying what controls the distribution of corals today and in the past requires systematic mapping, imaging and collections from deep-water coral habitats. Shipboard swath bathymetry was used for an overview of each feature, and to select sampling sites. Systematic dives up the slopes of each feature allowed collection of video, stills, live and fossil corals and seawater. In addition microbathymetry of unusual habitats was to gin a wider overview. Coral associates were imaged and collected to add depth to our knowledge of the coral habitats.

(b) Development of geochemical proxies
Core top sediments, live calcified corals and sponges were collected across a range of depths with associated seawater with sampling focused on the greatest possible range of environmental parameters (e.g. temperature, nutrient status, water mass). These samples will be used to test geochemical proxies.

(c) Reconstruction of past climate
Sediment cores and fossil corals were collected across the basin and at a range of depths to allow a history of the Atlantic to be reconstructed.

(d) Ancillary Studies.
A number of other collections were also made including plastics, rocks, sponges and genetics samples.
Ship RRS James Cook
Departure Port Santa Cruz de Tenerife, Spain
Departure Date 2013-10-13
Arrival Port Port of Spain, Trinidad and Tobago
Arrival Date 2013-11-29
Principal Scientist(s) Laura F Robinson (University of Bristol School of Earth Sciences)
Responsible Organisation University of Bristol School of Earth Sciences
Associated Project(s) Tracing Oceanic Processes using Corals and Sediments (TROPICS)
IHB Sea Areas Visited North East Atlantic Ocean (limit 40W)
Marsden Squares Visited 39/4
Work Area Description Equatorial Atlantic
Unable to lookup cruise bounds at this time
Work Area Bounding Polygon
Southern Limit unknown
Northern Limit unknown
Western Limit unknown
Eastern Limit unknown

Cruise Inventory Datasets

Physical oceanography  
CTD stations Quantity: number of profiles = 6
Description: Five full depth, one test CTD with water samples taken for geochemical analyses including nutrients, oxygen, oxygen isotopes, silica isotopes, U-series, 14C, carbonate chemistry  
CTD stations Quantity: number of deployments = 19
Description: ROV deployments. One aborted, the rest successful. Video, Digital stills, push cores, water samples, CTD data, sediment cores, benthic litter, seafloor fauna (live and fossil)  
Other physical oceanographic measurements Quantity: number of samples = 52
Description: Filtered water from underway system  
Chemical oceanography  
Other chemical oceanographic measurements Quantity: number of samples = 30
Description: Niskin water sample collected with Megacore deployments  
Biology and fisheries  
Other biological/fisheries measurement Quantity: number of deployments = 19
Description: ROV deployments. One aborted, the rest successful. Video, Digital stills, push cores, water samples, CTD data, sediment cores, benthic litter, seafloor fauna (live and fossil)  
Zoobenthos Quantity: number of deployments = 19
Description: ROV deployments. One aborted, the rest successful. Video, Digital stills, push cores, water samples, CTD data, sediment cores, benthic litter, seafloor fauna (live and fossil)  
Geology and geophysics  
Bottom photography Quantity: number of deployments = 19
Description: ROV deployments. One aborted, the rest successful. Video, Digital stills, push cores, water samples, CTD data, sediment cores, benthic litter, seafloor fauna (live and fossil)  
Core - soft bottom Quantity: number of cores = 7
Description: Gravity cores  
Core - soft bottom Quantity: number of deployments = 19
Description: ROV deployments. One aborted, the rest successful. Video, Digital stills, push cores, water samples, CTD data, sediment cores, benthic litter, seafloor fauna (live and fossil)  
Core - soft bottom Quantity: number of cores = 30
Description: Individual Mega cores recovered.  
Core - soft bottom Quantity: number of cores = 1
Description: Box core recovered  
Core - soft bottom Quantity: number of cores = 1
Description: Piston core (+ 1 trigger core)  
Dredge Quantity: number of deployments = 1
Description: Benthic fauna and fossil corals.  
Multi-beam echosounding Quantity: survey square kilometres = 7575
Description: EM120 Multibeam data for bathymetry and habitat mapping  

Cruise Inventory Mooring/Buoy Operations

No information on datasets is currently available

Summary of BODC Data Holdings for the Cruise

National Oceanographic Database

No data currently held for this cruise in the BODC National Oceanographic Database

Project Database

No data currently held for this cruise in the BODC Project Database

References

Track Charts

Track Chart

Reports

Cruise Report