RRS James Cook JC165

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Cruise Info.

Ship name (ship code)

RRS James Cook (740H)

Cruise identifier

JC165

Cruise period

2018-05-19 — 2018-06-12

Status

Completed

Port of departure

Southampton, United Kingdom

Port of return

Southampton, United Kingdom

Purpose

Research

Objectives

The oceanic water column and the underlying seabed change on a variety of temporal and spatial scales. The objective of the Porcupine Abyssal Plain Sustained observatory is to provide high temporal resolution (hours) of an increasing number of variables which are relevant from the perspective of the biology, physics and chemistry over a relatively small spatial scale (30km). The site has been under examination for over 20 years and during that time, substantial changes have been observed in the benthic environment. The intention is to sustain and enhance these observations in order that a deeper understanding is obtained into the processes which operate; in particular the responses to the changes which are currently taking place in the global environment. The objective of the cruise was primarily to service the infrastructure required for continuous sustained observation, and to put these into context using observations from the ship which as yet cannot be carried out autonomously. In parallel to maintaining and extending exisiting measurements, the over view was enhanced by parallel research into the abundance and distribution of seafloor life in relation to incoming food flux and topographic features. These investigations were carried out using a multi instrument observational approach combined with direct sampling. The cruise achieved sampling of the abyssal plain seabed and its fauna via coring, trawling, and baited traps, and left in place a time-lapse camera system for extended (1-year) seafloor observation.

Chief scientist

Henry Ruhl (National Oceanography Centre, Southampton)

Project

Porcupine Abyssal Plain deep ocean observatory

Coordinating body

Natural Environment Research Council (NERC)

Cruise report

(9.52 MB)

Ocean/sea areas

General

Celtic Sea
North East Atlantic Ocean (limit 40W)

Specific

Porcupine Abyssal Plain

Track charts

(0.29 MB)

Measurements

Physical oceanography

CTD stations

Quantity: number of profiles = 13
Description: CTD measurements of pressure, salinity, temperature, oxygen, chlorophyll, plus water samples from some CTDs for chlorophyll, oxygen, salinity, DIC and Ammonia

Biology and fisheries

Particulate organic matter (inc POC, PON)

Quantity: number of stations = 10
Description: HyBIS towed camera

Zooplankton

Quantity: number of stations = 16
Description: WP2, plankton net, 200 microns, to 200 m, 3 x midnight, 3 x noon

Zoobenthos

Quantity: number of hauls = 2
Description: Otter trawl samples of megabenthos

Zoobenthos

Quantity: number of stations = 29
Description: Megacore sediment samples for various analyses

Demersal fish

Quantity: number of hauls = 2
Description: Otter trawl samples of megabenthos

Molluscs

Quantity: number of hauls = 2
Description: Otter trawl samples of megabenthos

Crustaceans

Quantity: number of hauls = 2
Description: Otter trawl samples of megabenthos

Moorings, landers, buoys

Physical oceanography

Optics (eg underwater light levels)

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Optics (eg underwater light levels)

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Current meters

48° 0' 0" N 16° 26' 59" W — PAP3 deepwater sediment traps Recovery

Current meters

49° 0' 0" N 16° 30' 0" W — PAP3 deepwater sediment traps Deployment

Chemical oceanography

Oxygen

49° 0' 0" N 16° 30' 0" W — PAP3 deepwater sediment traps Deployment

Oxygen

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Oxygen

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Oxygen

48° 0' 0" N 16° 26' 59" W — PAP3 deepwater sediment traps Recovery

Carbon dioxide

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Carbon dioxide

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Nitrate

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Nitrate

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Biology and fisheries

Primary productivity

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Primary productivity

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Sediment traps

48° 0' 0" N 16° 26' 59" W — PAP3 deepwater sediment traps Recovery

Sediment traps

49° 0' 0" N 16° 30' 0" W — PAP3 deepwater sediment traps Deployment

Zooplankton

48° 0' 0" N 16° 23' 59" W — PAP1 Longterm Observatory Recovery

Zooplankton

49° 0' 0" N 16° 19' 59" W — PAP1 Longterm Observatory Deployment

Zoobenthos

49° 0' 0" N 16° 23' 59" W — Time-lapse camera deployment

Zoobenthos

48° 49' 59" N 16° 30' 0" W — 2 x amphipod trap deployment recovery

Crustaceans

48° 49' 59" N 16° 30' 0" W — 2 x amphipod trap deployment recovery

Geology and geophysics

Bottom photography

49° 0' 0" N 16° 23' 59" W — Time-lapse camera deployment

Data held at BODC

Get data

Series/Profiles

2 Acoustic current meter

Moored instrument depth
Reference numbers
Sound velocity and travel time in the water column
Date and time
Temperature of the water column
Platform or instrument orientation
Vertical velocity of the water column (currents)
Horizontal velocity of the water column (currents)
Sea level

[Show series]

[Hide series]

BODC id	Date/Time	Location	Doc.
2027855	2018-05-25 13:17:12 — 2019-06-30 09:47:12	48° 59' 47" N 16° 29' 43" W
2027843	2018-05-25 13:20:02 — 2019-06-30 09:20:02	48° 59' 47" N 16° 29' 43" W

32 Bottle station

Reference numbers
Total dissolved inorganic carbon (TCO2) concentration in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
Alkalinity, acidity and pH of the water column

[Show series]

[Hide series]

BODC id	Date/Time	Location
1928999	2018-05-23 14:58	48° 59' 16" N 16° 23' 19" W
1929002	2018-05-25 07:38	49° 0' 14" N 16° 29' 35" W
2115799	2018-05-23 14:58	48° 59' 16" N 16° 23' 19" W
1916925	2018-06-07 14:27	48° 56' 42" N 16° 25' 36" W
1916869	2018-05-27 14:17	49° 0' 22" N 16° 28' 17" W
2115879	2018-06-01 16:43:30	49° 0' 8" N 16° 30' 30" W
2115880	2018-06-07 12:21	48° 56' 42" N 16° 25' 36" W
2115787	2018-05-22 14:29:30	49° 0' 11" N 16° 23' 40" W
1916870	2018-05-27 17:29	49° 0' 22" N 16° 28' 17" W
1916901	2018-06-01 16:44	49° 0' 8" N 16° 30' 30" W
2115818	2018-05-25 14:08	48° 59' 40" N 16° 24' 2" W
1916913	2018-06-07 12:21	48° 56' 42" N 16° 25' 36" W
1928987	2018-05-22 14:30	49° 0' 11" N 16° 23' 40" W
1929063	2018-06-01 13:23	49° 0' 8" N 16° 30' 30" W
1929087	2018-06-07 12:21	48° 56' 42" N 16° 25' 36" W
1916845	2018-05-25 07:38	49° 0' 14" N 16° 29' 35" W
1929051	2018-05-29 14:08	48° 0' 3" N 16° 30' 11" W
1929075	2018-06-01 16:44	49° 0' 8" N 16° 30' 30" W
1929099	2018-06-07 14:27	48° 56' 42" N 16° 25' 36" W
2115867	2018-06-01 13:22:30	49° 0' 8" N 16° 30' 30" W
1916894	2018-06-01 13:23	49° 0' 8" N 16° 30' 30" W
1929038	2018-05-27 17:29	49° 0' 22" N 16° 28' 17" W
2115806	2018-05-25 07:38:20	49° 0' 14" N 16° 29' 35" W
1916833	2018-05-23 14:58	48° 59' 16" N 16° 23' 19" W
1916857	2018-05-25 14:08	48° 59' 40" N 16° 24' 2" W
1916882	2018-05-29 14:08	48° 0' 3" N 16° 30' 11" W
1929014	2018-05-25 14:08	48° 59' 40" N 16° 24' 2" W
1929026	2018-05-27 14:17	49° 0' 22" N 16° 28' 17" W
2115831	2018-05-27 14:17	49° 0' 22" N 16° 28' 17" W
2115843	2018-05-27 17:28:30	49° 0' 22" N 16° 28' 17" W
2115855	2018-05-29 14:08	48° 0' 3" N 16° 30' 11" W
2115892	2018-06-07 14:27	48° 56' 42" N 16° 25' 36" W

12 CTD/STD cast

Reference numbers
Transmittance and attenuance of the water column
Salinity of the water column
Optical backscatter
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Temperature of the water column
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location
2014783	2018-06-01 15:00:37	49° 0' 8" N 16° 30' 30" W
2014709	2018-05-23 12:29:14	48° 59' 16" N 16° 23' 19" W
2014802	2018-06-07 14:32:08	48° 56' 42" N 16° 25' 36" W
2014746	2018-05-27 16:07:57	49° 0' 23" N 16° 28' 17" W
2014691	2018-05-22 14:03:19	49° 0' 11" N 16° 23' 40" W
2014734	2018-05-27 14:22:35	49° 0' 23" N 16° 28' 17" W
2014710	2018-05-25 07:28:40	49° 0' 9" N 16° 29' 35" W
2014722	2018-05-25 12:09:18	48° 59' 40" N 16° 24' 2" W
2014758	2018-05-29 14:09:48	49° 0' 3" N 16° 30' 11" W
2014678	2018-05-22 12:07:44	49° 0' 11" N 16° 23' 40" W
2014771	2018-06-01 13:03:19	49° 0' 8" N 16° 30' 30" W
2014795	2018-06-07 12:23:29	48° 56' 42" N 16° 25' 36" W

1 Fluorometers

Reference numbers
Date and time
Temperature of the water column
Concentration of suspended particulate material in the water column
Sea level
Chlorophyll pigment concentrations in water bodies

[Show series]

Reference numbers
Date and time
Temperature of the water column
Concentration of suspended particulate material in the water column
Sea level
Chlorophyll pigment concentrations in water bodies

[Hide series]

BODC id	Date/Time	Location	Doc.
2022433	2018-06-04 10:23:06 — 2019-06-25 06:23:12	48° 51' 51" N 16° 25' 23" W

3 In-situ dissolved gas analyser

Reference numbers
Date and time
Temperature of the water column
Dissolved concentration parameters for other gases in the water column
Partial pressure (pCO2) and fugacity (fCO2) of carbon dioxide in the water column

[Show series]

[Hide series]

BODC id	Date/Time	Location
2012069	2018-06-04 12:11 — 2018-07-14 12:11:06	48° 51' 51" N 16° 25' 23" W
2012125	2018-06-04 00:10 — 2019-06-25 00:10:19	48° 51' 51" N 16° 25' 23" W
2014980	2018-06-04 09:50:59 — 2018-11-10 22:51	48° 51' 51" N 16° 25' 23" W

1 In-situ nutrient analyser

Reference numbers
Date and time
Nitrate concentration parameters in the water column

[Show series]

Reference numbers
Date and time
Nitrate concentration parameters in the water column

[Hide series]

BODC id	Date/Time	Location	Doc.
2026723	2018-06-04 09:20 — 2019-06-25 01:20	48° 51' 51" N 16° 25' 23" W

1 Meteorological data logger

Horizontal spatial co-ordinates
Air pressure
Visible waveband radiance and irradiance measurements in the atmosphere
Date and time
Wind strength and direction
Raw light meter output
Air temperature
Solar Radiation
Atmospheric humidity

[Show series]

[Hide series]

BODC id	Date/Time	Location	Doc.
1903797	2018-05-19 08:59:43 — 2018-06-12 08:04:43	48° 8' 10" N 17° 4' 23" W — 50° 53' 30" N 0° 57' 57" W

4 Moored CTD

Reference numbers
Sound velocity and travel time in the water column
Date and time
Salinity of the water column
Dissolved oxygen parameters in the water column
Temperature of the water column
Density of the water column
Electrical conductivity of the water column
Sea level

[Show series]

[Hide series]

BODC id	Date/Time	Location
2046146	2018-06-04 09:30:01 — 2019-06-25 08:30:37	48° 51' 51" N 16° 25' 23" W
2048835	2018-05-25 12:00:01 — 2019-06-30 08:30:01	48° 59' 47" N 16° 29' 44" W
2013000	2018-06-04 09:30:04 — 2019-06-25 09:00:04	48° 51' 51" N 16° 25' 23" W
2012997	2018-06-04 09:30:01 — 2019-06-25 09:00:01	48° 51' 51" N 16° 25' 23" W

1 Multi-beam echosounder

Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation

[Show series]

Horizontal spatial co-ordinates
Date and time
Platform or instrument orientation
Horizontal platform movement
Bathymetry and Elevation

[Hide series]

BODC id	Date/Time	Location	Doc.
1903785	2018-05-19 08:59:43 — 2018-06-12 08:04:43	48° 8' 10" N 17° 4' 23" W — 50° 53' 30" N 0° 57' 57" W

2 Multiple instrument types

Reference numbers
Horizontal spatial co-ordinates
Transmittance and attenuance of the water column
Date and time
Salinity of the water column
Dissolved oxygen parameters in the water column
Temperature of the water column
Raw fluorometer output
Electrical conductivity of the water column
Metadata parameters
Raw suspended particulate material concentration sensor output
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location	Doc.
1903804	2018-05-19 08:59:43 — 2018-06-12 08:04:43	48° 8' 10" N 17° 4' 23" W — 50° 53' 30" N 0° 57' 57" W
2013012	2018-06-04 09:30 — 2019-06-25 16:30	48° 51' 51" N 16° 25' 23" W

1 Pumped water sample

Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Date and time
Alkalinity, acidity and pH of the water column

[Show series]

Horizontal spatial co-ordinates
Total dissolved inorganic carbon (TCO2) concentration in the water column
Date and time
Alkalinity, acidity and pH of the water column

[Hide series]

BODC id	Date/Time	Location	Doc.
1928188	2018-06-07 08:17 — 2018-06-11 16:58	48° 56' 42" N 16° 49' 6" W — 49° 56' 25" N 4° 17' 48" W

1 Transmissometer

Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column

[Show series]

Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column

[Hide series]

BODC id	Date/Time	Location	Doc.
2004229	2018-06-04 09:47:05 — 2018-06-14 07:18:24	48° 51' 51" N 16° 25' 23" W

1 radiometers

Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column

[Show series]

Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column

[Hide series]

BODC id	Date/Time	Location	Doc.
1975716	2018-06-04 09:47:05 — 2018-07-14 12:48:24	48° 51' 51" N 16° 25' 23" W

Discrete samples

12 CTD frame plus rosette sampler

2 Instrument mooring

20 Sample taken from ship's non-toxic supply

Resources

RRS James Cook JC165

Cruise summary report

Quick links

BODC holdings

EDMED