RRS Challenger CH10/81

Cruise summary report

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Cruise Info.

Ship name (ship code)

RRS Challenger (74CH)

Cruise identifier

CH10/81

Cruise period

1981-07-04 — 1981-07-14

Status

Completed

Port of departure

Barry, United Kingdom

Port of return

Ardrossan, United Kingdom

Purpose

Research

Objectives

The objectives of this cruise were:
(1) To service the current meter mooring at 57N, 9W and the corrosion potential current meter mooring off South Uist. Current meter mooring recovered and re-laid. South Uist mooring recovered, but not re-laid.
(2) To make an extensive CTD survey of the Scottish Coastal Current between the North Channel and Cape Wrath, including large-volume surface sampling for radiocaesium analysis. Large number of CTD sections worked, covering the whole of the NW Scottish shelf, including a section of the eastern Ellett Line.
(3) To collect sediment cores with the WHOI tripod at locations along the axis of the Scottish Coastal Current. Cores obtained at five of six planned sites.
(4) To measure chlorophyll concentrations over the shelf and shelf-edge. Accomplished.
(5) To work two CTD sections across the continental slope. Accomplished.
(6) To collect large-volume surface water samples for radiocaesium analysis. Accomplished.

Chief scientist

David T Meldrum (Scottish Marine Biological Association)

Cruise report

(0.25 MB)

Ocean/sea areas

General

Inner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)

Specific

N.E. Atlantic

Track charts

(0.07 MB)

Measurements

Physical oceanography

Surface measurements underway (T,S)

CTD stations

Quantity: number of stations = 139
Description: noisy salinity

Current meters

Quantity: number of stations = 1
Description: mooring with 2 c.m.recovered and relaid;90 days

Other physical oceanographic measurements

Quantity: activity duration in days = 80
Description: one corrosion potential c.m.

Chemical oceanography

Radioactivity

Quantity: number of samples = 101

Biology and fisheries

Phytoplankton pigs (eg chlorophyll, fluorescence)

Description: chlorophyl,continuous fluorometer and discrete samples

Geology and geophysics

Core - soft bottom

Quantity: number of cores = 5

Data held at BODC

Get data

Series/Profiles

139 CTD/STD cast

Vertical spatial coordinates
Salinity of the water column
Temperature of the water column

[Show series]

Vertical spatial coordinates
Salinity of the water column
Temperature of the water column

[Hide series]

BODC id	Date/Time	Location
191052	1981-07-05 07:33	55° 37' 5" N 5° 47' 41" W
191107	1981-07-05 14:09	55° 40' 47" N 6° 20' 35" W
191144	1981-07-05 18:32	55° 21' 23" N 6° 32' 11" W
191193	1981-07-06 04:33	55° 46' 12" N 7° 28' 29" W
191248	1981-07-06 09:47	55° 49' 5" N 6° 38' 23" W
191261	1981-07-06 10:40	55° 48' 17" N 6° 30' 5" W
191285	1981-07-06 15:27	56° 7' 53" N 5° 56' 53" W
191304	1981-07-06 17:42	56° 13' 23" N 6° 1' 59" W
191549	1981-07-08 05:12	57° 13' 17" N 6° 54' 47" W
191550	1981-07-08 06:11	57° 13' 5" N 7° 2' 53" W
191758	1981-07-09 13:10	58° 16' 41" N 5° 38' 53" W
191802	1981-07-09 19:09	58° 28' 41" N 6° 24' 41" W
191906	1981-07-10 07:08	58° 14' 17" N 7° 34' 17" W
192006	1981-07-11 04:33	58° 10' 41" N 8° 49' 48" W
192172	1981-07-12 04:30	57° 21' 29" N 8° 54' 23" W
192227	1981-07-12 16:00	57° 6' 0" N 9° 24' 23" W
192332	1981-07-13 06:54	56° 38' 17" N 7° 49' 53" W
191365	1981-07-07 00:53	56° 28' 47" N 6° 45' 17" W
191408	1981-07-07 06:45	56° 42' 5" N 6° 21' 41" W
191513	1981-07-07 21:45	56° 55' 47" N 6° 53' 17" W
191666	1981-07-08 20:51	57° 47' 29" N 6° 22' 41" W
191722	1981-07-09 00:19	57° 42' 5" N 5° 55' 5" W
191734	1981-07-09 11:05	58° 16' 53" N 5° 18' 5" W
191783	1981-07-09 15:12	58° 16' 53" N 6° 0' 17" W
191795	1981-07-09 16:06	58° 17' 5" N 6° 10' 53" W
191979	1981-07-10 18:37	58° 48' 5" N 8° 37' 17" W
191992	1981-07-10 22:15	58° 57' 11" N 8° 55' 11" W
192018	1981-07-11 06:27	58° 0' 11" N 8° 48' 23" W
192111	1981-07-11 20:58	57° 10' 29" N 7° 34' 48" W
192240	1981-07-12 18:27	57° 2' 53" N 9° 12' 53" W
192288	1981-07-13 02:36	56° 51' 0" N 8° 20' 17" W
192424	1981-07-13 16:48	56° 10' 59" N 6° 42' 41" W
192448	1981-07-08 00:27	57° 9' 23" N 6° 39' 47" W
192504	1981-07-10 15:52	58° 37' 23" N 8° 24' 17" W
192516	1981-07-10 17:12	58° 42' 36" N 8° 32' 53" W
191064	1981-07-05 08:12	55° 38' 42" N 5° 51' 36" W
191168	1981-07-05 20:22	55° 14' 17" N 6° 45' 41" W
191433	1981-07-07 08:25	56° 44' 11" N 6° 35' 59" W
191562	1981-07-08 07:17	57° 13' 5" N 7° 12' 35" W
191586	1981-07-08 10:55	57° 32' 5" N 6° 43' 53" W
191598	1981-07-08 11:39	57° 32' 59" N 6° 47' 47" W
191887	1981-07-10 05:19	58° 13' 30" N 7° 14' 35" W
191955	1981-07-10 11:58	58° 32' 17" N 8° 15' 54" W
192159	1981-07-12 01:06	57° 14' 5" N 8° 19' 48" W
192319	1981-07-13 04:48	56° 46' 59" N 7° 59' 53" W
192320	1981-07-13 05:45	56° 45' 29" N 7° 49' 30" W
190988	1981-07-04 22:53	55° 16' 12" N 5° 43' 23" W
191076	1981-07-05 09:08	55° 42' 23" N 5° 54' 47" W
191132	1981-07-05 17:30	55° 26' 35" N 6° 28' 48" W
191156	1981-07-05 19:24	55° 18' 41" N 6° 39' 23" W
191181	1981-07-06 03:12	55° 45' 54" N 7° 40' 47" W
191236	1981-07-06 08:52	55° 46' 41" N 6° 47' 29" W
191494	1981-07-07 16:43	56° 43' 17" N 7° 39' 36" W
191501	1981-07-07 20:48	56° 40' 53" N 6° 56' 53" W
191537	1981-07-07 23:39	57° 5' 41" N 6° 43' 53" W
191691	1981-07-08 22:17	57° 41' 42" N 6° 12' 53" W
191746	1981-07-09 12:12	58° 16' 59" N 5° 13' 29" W
191863	1981-07-09 23:47	58° 47' 17" N 6° 54' 0" W
191943	1981-07-10 10:48	58° 26' 42" N 8° 6' 59" W
191980	1981-07-10 20:28	58° 51' 35" N 8° 46' 30" W
192147	1981-07-11 23:38	57° 10' 35" N 8° 3' 0" W
192215	1981-07-12 13:30	57° 7' 17" N 9° 34' 17" W
192239	1981-07-12 17:15	57° 4' 23" N 9° 20' 23" W
192264	1981-07-12 23:55	56° 56' 42" N 8° 46' 53" W
192344	1981-07-13 08:02	56° 30' 47" N 7° 49' 5" W
192356	1981-07-13 09:28	56° 21' 11" N 7° 50' 17" W
191040	1981-07-05 06:55	55° 37' 17" N 5° 47' 35" W
191119	1981-07-05 15:15	55° 37' 11" N 6° 25' 35" W
191120	1981-07-05 16:28	55° 32' 5" N 6° 28' 23" W
191224	1981-07-06 08:03	55° 44' 35" N 6° 55' 47" W
191297	1981-07-06 17:05	56° 10' 53" N 5° 59' 29" W
191353	1981-07-07 00:02	56° 27' 11" N 6° 39' 0" W
191445	1981-07-07 09:19	56° 43' 53" N 6° 45' 11" W
191525	1981-07-07 22:48	57° 2' 23" N 6° 50' 5" W
191642	1981-07-08 19:35	57° 50' 53" N 6° 30' 0" W
191654	1981-07-08 20:17	57° 49' 5" N 6° 25' 23" W
191918	1981-07-10 08:15	58° 14' 53" N 7° 47' 29" W
192080	1981-07-11 14:19	57° 39' 41" N 7° 49' 5" W
192092	1981-07-11 20:23	57° 10' 23" N 7° 30' 5" W
192160	1981-07-12 02:50	57° 17' 53" N 8° 37' 30" W
192381	1981-07-13 12:22	56° 10' 23" N 7° 37' 12" W
192412	1981-07-13 15:46	56° 11' 42" N 6° 56' 17" W
192485	1981-07-08 02:42	57° 18' 59" N 6° 32' 6" W
191003	1981-07-04 23:45	55° 14' 53" N 5° 46' 23" W
191200	1981-07-06 05:50	55° 44' 24" N 7° 17' 41" W
191328	1981-07-06 22:11	56° 23' 24" N 6° 25' 35" W
191341	1981-07-06 23:08	56° 25' 17" N 6° 32' 11" W
191389	1981-07-07 04:57	56° 39' 41" N 6° 8' 5" W
191457	1981-07-07 10:46	56° 44' 24" N 7° 0' 53" W
191605	1981-07-08 12:26	57° 33' 59" N 6° 55' 11" W
191678	1981-07-08 21:38	57° 44' 47" N 6° 13' 17" W
191709	1981-07-08 22:57	57° 42' 41" N 6° 7' 47" W
191710	1981-07-08 23:36	57° 42' 41" N 6° 1' 30" W
191838	1981-07-09 21:51	58° 38' 53" N 6° 42' 41" W
191931	1981-07-10 09:37	58° 21' 23" N 7° 56' 35" W
192043	1981-07-11 09:40	57° 46' 48" N 8° 33' 53" W
192055	1981-07-11 11:13	57° 44' 35" N 8° 19' 23" W
192079	1981-07-11 13:20	57° 40' 29" N 7° 57' 53" W
192203	1981-07-12 12:08	57° 9' 5" N 9° 42' 5" W
192123	1981-07-11 21:51	57° 10' 12" N 7° 45' 5" W
192135	1981-07-11 22:47	57° 10' 12" N 7° 54' 54" W
192184	1981-07-12 05:52	57° 25' 17" N 9° 11' 35" W
192252	1981-07-12 22:37	57° 0' 5" N 9° 0' 29" W
192276	1981-07-13 01:35	56° 52' 35" N 8° 30' 18" W
192368	1981-07-13 11:00	56° 10' 35" N 7° 50' 5" W
192436	1981-07-13 17:53	56° 11' 6" N 6° 29' 35" W
192461	1981-07-08 01:19	57° 13' 11" N 6° 34' 53" W
191027	1981-07-05 02:16	55° 10' 35" N 5° 53' 35" W
191039	1981-07-05 03:13	55° 6' 23" N 5° 54' 23" W
191273	1981-07-06 14:32	56° 9' 11" N 5° 52' 47" W
191377	1981-07-07 03:25	56° 38' 5" N 6° 22' 30" W
191469	1981-07-07 11:55	56° 44' 11" N 7° 8' 29" W
191470	1981-07-07 14:20	56° 44' 11" N 7° 19' 23" W
191482	1981-07-07 15:43	56° 44' 41" N 7° 26' 53" W
191574	1981-07-08 10:15	57° 31' 23" N 6° 40' 23" W
191617	1981-07-08 13:08	57° 34' 53" N 6° 58' 35" W
191629	1981-07-08 13:49	57° 36' 23" N 7° 2' 6" W
191630	1981-07-08 18:48	57° 52' 59" N 6° 34' 59" W
191851	1981-07-09 22:53	58° 43' 30" N 6° 48' 11" W
191899	1981-07-10 06:15	58° 13' 53" N 7° 23' 29" W
191967	1981-07-10 13:34	58° 37' 23" N 8° 24' 17" W
192031	1981-07-11 08:06	57° 48' 59" N 8° 46' 59" W
192067	1981-07-11 12:24	57° 41' 47" N 8° 7' 5" W
192393	1981-07-13 13:30	56° 11' 11" N 7° 23' 41" W
192400	1981-07-13 14:36	56° 11' 11" N 7° 9' 36" W
192497	1981-07-08 04:16	57° 14' 24" N 6° 43' 11" W
191015	1981-07-05 01:13	55° 12' 47" N 5° 51' 5" W
191088	1981-07-05 10:48	55° 46' 29" N 6° 0' 29" W
191212	1981-07-06 07:05	55° 45' 35" N 7° 3' 59" W
191316	1981-07-06 18:15	56° 15' 5" N 6° 5' 41" W
191390	1981-07-07 06:01	56° 40' 47" N 6° 16' 53" W
191421	1981-07-07 07:26	56° 43' 47" N 6° 27' 35" W
191771	1981-07-09 14:12	58° 17' 5" N 5° 49' 12" W
191814	1981-07-09 20:03	58° 31' 53" N 6° 30' 0" W
191826	1981-07-09 20:56	58° 36' 0" N 6° 35' 53" W
191875	1981-07-10 04:28	58° 13' 11" N 7° 5' 59" W
192196	1981-07-12 09:35	57° 14' 5" N 10° 3' 29" W
192307	1981-07-13 03:50	56° 48' 41" N 8° 9' 47" W
192473	1981-07-08 02:01	57° 16' 12" N 6° 32' 59" W

Resources

RRS Challenger CH10/81

Cruise summary report

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