RV Pelagia PE125

Cruise summary report

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Cruise Info.

Ship name (ship code)

RV Pelagia (64PE)

Cruise identifier

PE125

Cruise period

1998-10-19 — 1998-10-30

Status

Completed

Port of departure

Het Horntje, Netherlands

Port of return

Het Horntje, Netherlands

Objectives

The third of 4 cruises carried out in the northern North Sea as part of the EU-MAST III project PROVESS (Processes of Vertical Exchange in Shelf Seas). The working area was located in the northern North Sea, in a 100 x 50 km box around a central position 59° 20'N, 1° 00'E, where instrumentation was moored by the RV Valdivia (cruise 174, PROVESS N-1).
The main objective of the cruise was to moor additional equipment to observe internal wave motions and to obtain extensive set of turbulence, CTD and SeaSoar surveys, pelagic biological and optical measurements in order to monitor possible variations in the vertical exchange in the water column.

Chief scientist

Hans van Haren (Royal Netherlands Institute for Sea Research)

Project

PROVESS

Coordinating body

EU-MAST (POL)

Cruise report

(0.86 MB)

Ocean/sea areas

General

North Sea

Specific

northern North Sea

Track charts

(0.04 MB)

Measurements

Physical oceanography

Surface measurements underway (T,S)

Quantity: activity duration in days = 9
Description: underway measurements: navigation, meteorological, sea surface and bathymetry

CTD stations

Quantity: number of profiles = 42
Description: SeaBird 911 CTD with fluorometer, PAR meter and transmissometer and rosette water sampler system.

Subsurface temperature and salinity measurements

Quantity: number of surveys = 3
Description: 12-16 hours survey using SeaSoar (CTD+fluorometer)

Transparency (eg transmissometer)

Quantity: number of profiles = 42
Description: SeaBird 911 CTD with fluorometer, PAR meter and transmissometer and rosette water sampler system.

Optics (eg underwater light levels)

Quantity: number of profiles = 13
Description: spectro-radiometer profiler.

Optics (eg underwater light levels)

Quantity: number of profiles = 42
Description: SeaBird 911 CTD with fluorometer, PAR meter and transmissometer and rosette water sampler system.

Other physical oceanographic measurements

Quantity: number of profiles = 220
Description: FLY microstructure and turbulence probe

Contamination

Suspended matter

Quantity: number of samples = 173
Description: water samples from CTD rosette sampling and ship's non-toxic surface water supply.

Biology and fisheries

Phytoplankton pigs (eg chlorophyll, fluorescence)

Quantity: activity duration in days = 9
Description: underway measurements: navigation, meteorological, sea surface and bathymetry

Phytoplankton pigs (eg chlorophyll, fluorescence)

Quantity: number of samples = 173
Description: water samples from CTD rosette sampling and ship's non-toxic surface water supply.

Phytoplankton pigs (eg chlorophyll, fluorescence)

Quantity: number of profiles = 42
Description: SeaBird 911 CTD with fluorometer, PAR meter and transmissometer and rosette water sampler system.

Phytoplankton

Quantity: number of samples = 173
Description: water samples from CTD rosette sampling and ship's non-toxic surface water supply.

Other biological/fisheries measurement

Quantity: number of profiles = 13
Description: spectro-radiometer profiler.

Other biological/fisheries measurement

Quantity: number of profiles = 13
Description: Pump-and-probe fluorometer

Meteorology

Incident radiation

Quantity: activity duration in days = 9
Description: underway measurements: navigation, meteorological, sea surface and bathymetry

Other meteorological measurements

Quantity: activity duration in days = 9
Description: underway measurements: navigation, meteorological, sea surface and bathymetry

Data held at BODC

Get data

Series/Profiles

18 Bottle station

Reference numbers
Carotenoid and flavenoid pigment concentrations in water bodies
Vertical spatial coordinates
Phaeopigment concentrations in the water column
Quality control flags
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location
1713600	1998-10-25 08:23	59° 14' 57" N 1° 6' 1" E
1713624	1998-10-26 14:12	59° 17' 33" N 1° 3' 21" E
1713648	1998-10-27 10:26	59° 12' 23" N 1° 2' 21" E
1713556	1998-10-23 14:49	59° 18' 12" N 0° 55' 29" E
1713581	1998-10-24 10:55	59° 18' 22" N 0° 57' 1" E
1713661	1998-10-27 13:45	59° 24' 22" N 0° 46' 53" E
1713673	1998-10-28 07:20	59° 8' 47" N 1° 19' 48" E
1713488	1998-10-21 16:53	59° 18' 16" N 1° 1' 9" E
1713593	1998-10-24 15:40	59° 14' 8" N 0° 55' 48" E
1713612	1998-10-26 08:13	59° 18' 45" N 1° 0' 13" E
1713520	1998-10-22 15:45	59° 15' 16" N 1° 4' 11" E
1713476	1998-10-21 14:26	59° 18' 47" N 1° 0' 21" E
1713519	1998-10-22 10:49	59° 16' 9" N 1° 3' 9" E
1713636	1998-10-27 07:18	59° 14' 44" N 1° 4' 43" E
1713507	1998-10-22 08:33	59° 17' 38" N 1° 1' 17" E
1713544	1998-10-23 11:13	59° 17' 2" N 1° 0' 5" E
1713532	1998-10-23 08:08	59° 18' 7" N 1° 3' 13" E
1713568	1998-10-24 08:24	59° 18' 17" N 0° 57' 32" E

3 CTD in towed or autonomous underwater vehicle

Reference numbers
Horizontal spatial co-ordinates
Date and time
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location
541729	1998-10-27 14:15:54 — 1998-10-28 06:43:51	59° 9' 18" N 0° 39' 59" E — 59° 29' 58" N 1° 20' 0" E
541717	1998-10-23 20:24:41 — 1998-10-24 07:26:49	59° 4' 59" N 0° 39' 58" E — 59° 18' 30" N 1° 19' 54" E
541705	1998-10-21 19:30:07 — 1998-10-22 07:14:22	59° 18' 29" N 0° 30' 0" E — 59° 34' 59" N 1° 25' 54" E

73 CTD/STD cast

Transmittance and attenuance of the water column
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Visible waveband radiance and irradiance measurements in the water column
Density of the water column
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location
806108	1998-10-23 09:48	59° 17' 58" N 1° 1' 9" E
806133	1998-10-23 09:56	59° 17' 56" N 1° 1' 1" E
806157	1998-10-23 10:02	59° 17' 52" N 1° 1' 2" E
805560	1998-10-23 10:31	59° 17' 30" N 1° 1' 12" E
805793	1998-10-27 07:10	59° 14' 44" N 1° 4' 43" E
805861	1998-10-21 16:45	59° 18' 16" N 1° 1' 9" E
806077	1998-10-23 09:37	59° 17' 59" N 1° 1' 32" E
806089	1998-10-23 09:40	59° 17' 59" N 1° 1' 25" E
805596	1998-10-23 10:40	59° 17' 23" N 1° 0' 49" E
805652	1998-10-24 13:07	59° 16' 25" N 0° 57' 55" E
805676	1998-10-25 08:15	59° 14' 57" N 1° 6' 1" E
805732	1998-10-26 18:03	59° 16' 58" N 1° 4' 20" E
805965	1998-10-23 02:15	59° 16' 39" N 1° 2' 24" E
806121	1998-10-23 09:51	59° 17' 58" N 1° 1' 3" E
806169	1998-10-23 10:04	59° 17' 51" N 1° 1' 4" E
806182	1998-10-26 19:00	59° 17' 4" N 1° 3' 27" E
806237	1998-10-23 09:53	59° 17' 57" N 1° 1' 2" E
805511	1998-10-23 10:18	59° 17' 40" N 1° 1' 9" E
805479	1998-10-23 10:10	59° 17' 47" N 1° 1' 8" E
805480	1998-10-23 10:13	59° 17' 44" N 1° 1' 7" E
805523	1998-10-23 10:20	59° 17' 39" N 1° 1' 9" E
805467	1998-10-23 10:07	59° 17' 49" N 1° 1' 7" E
805535	1998-10-23 10:23	59° 17' 36" N 1° 1' 11" E
805627	1998-10-23 14:41	59° 18' 11" N 0° 55' 29" E
805639	1998-10-24 08:17	59° 18' 17" N 0° 57' 32" E
805719	1998-10-26 14:05	59° 17' 34" N 1° 3' 21" E
805744	1998-10-26 20:04	59° 17' 42" N 1° 1' 22" E
805781	1998-10-27 04:08	59° 17' 36" N 0° 58' 56" E
805800	1998-10-27 09:10	59° 13' 16" N 1° 3' 6" E
805824	1998-10-27 13:15	59° 24' 39" N 0° 47' 27" E
805848	1998-10-21 14:18	59° 18' 46" N 1° 0' 22" E
805873	1998-10-22 08:25	59° 17' 38" N 1° 1' 18" E
805897	1998-10-22 13:20	59° 16' 32" N 1° 5' 33" E
806004	1998-10-23 09:16	59° 17' 59" N 1° 2' 25" E
806041	1998-10-23 09:29	59° 17' 58" N 1° 1' 54" E
806170	1998-10-26 13:10	59° 18' 18" N 1° 2' 39" E
805492	1998-10-23 10:15	59° 17' 43" N 1° 1' 8" E
805688	1998-10-26 08:05	59° 18' 45" N 1° 0' 13" E
805990	1998-10-23 08:00	59° 18' 7" N 1° 3' 13" E
806016	1998-10-23 09:22	59° 17' 58" N 1° 2' 15" E
806053	1998-10-23 09:32	59° 17' 59" N 1° 1' 46" E
805572	1998-10-23 10:35	59° 17' 27" N 1° 0' 59" E
805584	1998-10-23 10:37	59° 17' 26" N 1° 0' 53" E
805615	1998-10-23 11:05	59° 17' 2" N 1° 0' 5" E
805885	1998-10-22 10:41	59° 16' 9" N 1° 3' 9" E
805928	1998-10-22 20:00	59° 18' 37" N 0° 58' 0" E
805603	1998-10-23 10:42	59° 17' 22" N 1° 0' 46" E
805977	1998-10-23 04:00	59° 15' 37" N 1° 2' 18" E
806213	1998-10-27 13:37	59° 24' 22" N 0° 46' 54" E
806201	1998-10-27 08:05	59° 13' 36" N 1° 4' 35" E
805640	1998-10-24 10:49	59° 18' 22" N 0° 57' 1" E
805812	1998-10-27 10:18	59° 12' 22" N 1° 2' 21" E
806249	1998-10-23 09:26	59° 17' 58" N 1° 2' 4" E
805720	1998-10-26 16:00	59° 18' 1" N 1° 3' 38" E
805756	1998-10-26 22:04	59° 18' 55" N 0° 57' 59" E
806225	1998-10-23 09:42	59° 17' 58" N 1° 1' 21" E
805664	1998-10-24 15:33	59° 14' 8" N 0° 55' 48" E
805836	1998-10-28 07:13	59° 8' 48" N 1° 19' 48" E
805904	1998-10-22 15:37	59° 15' 16" N 1° 4' 11" E
805916	1998-10-22 18:10	59° 18' 10" N 1° 0' 0" E
805953	1998-10-23 00:01	59° 18' 16" N 1° 0' 6" E
805989	1998-10-23 06:00	59° 16' 56" N 1° 4' 29" E
806065	1998-10-23 09:34	59° 17' 59" N 1° 1' 40" E
806090	1998-10-23 09:45	59° 17' 58" N 1° 1' 15" E
806145	1998-10-23 09:59	59° 17' 55" N 1° 1' 0" E
806194	1998-10-27 00:02	59° 17' 41" N 1° 1' 54" E
806250	1998-10-26 21:00	59° 18' 12" N 0° 59' 38" E
805547	1998-10-23 10:26	59° 17' 33" N 1° 1' 14" E
805559	1998-10-23 10:29	59° 17' 31" N 1° 1' 14" E
805707	1998-10-26 10:20	59° 18' 19" N 0° 59' 13" E
805768	1998-10-27 02:02	59° 18' 1" N 1° 1' 4" E
805941	1998-10-22 22:00	59° 18' 29" N 0° 57' 33" E
806028	1998-10-23 09:24	59° 17' 58" N 1° 2' 12" E

1 Pumped water sample

Horizontal spatial co-ordinates
Date and time
Carotenoid and flavenoid pigment concentrations in water bodies
Phaeopigment concentrations in the water column
Chlorophyll pigment concentrations in water bodies

[Show series]

[Hide series]

BODC id	Date/Time	Location	Doc.
1651329	1998-10-20 14:10 — 1998-10-28 04:15	55° 28' 49" N 0° 30' 1" E — 59° 34' 59" N 3° 11' 8" E

1 Thermistor chain

Date and time
Temperature of the water column
Vertical spatial coordinates

[Show series]

Date and time
Temperature of the water column
Vertical spatial coordinates

[Hide series]

BODC id	Date/Time	Location	Doc.
564231	1998-10-21 14:11:54 — 1998-11-03 13:26:23	59° 19' 3" N 1° 0' 31" E

Discrete samples

73 CTD frame plus rosette sampler

Transmittance and attenuance of the water column
Carotenoid and flavenoid pigment concentrations in water bodies
Salinity of the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Visible waveband radiance and irradiance measurements in the water column
Density of the water column
Phaeopigment concentrations in the water column
Light absorption in the water column
Chlorophyll pigment concentrations in water bodies

195 Fast Light Yo-yo Dissipation Probe

Turbulence in the water column
Salinity of the water column
Temperature of the water column
Density of the water column

1 Instrument mooring

13 Profiling radiometer

Visible waveband radiance and irradiance measurements in the water column

13 Pump and Probe Fluorometer

Variable fluorescence parameters

20 Sample taken from ship's non-toxic supply

Carotenoid and flavenoid pigment concentrations in water bodies
Salinity of the water column
Phaeopigment concentrations in the water column
Chlorophyll pigment concentrations in water bodies

1450 SeaSoar profile from gridded data

Salinity of the water column
Temperature of the water column
Density of the water column
Chlorophyll pigment concentrations in water bodies

3 SeaSoar tow

Resources

RV Pelagia PE125

Cruise summary report

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