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RRS James Cook JC019
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS James Cook (740H) |
Cruise identifier | JC019 |
Cruise period | 2007-12-16 — 2007-12-21 |
Status | Completed |
Port of departure | St. John's, Antigua and Barbuda |
Port of return | St. John's, Antigua and Barbuda |
Purpose | Research |
Objectives | JC019 was part of the SEA-CALIPSO project, devised to image the lithosphere and the magma system at Soufriére Hills Volcano (SHV), Montserrat, using tomography and reflection seismology. The experiment was carried out in December 2008, with primary support from NSF (Geophysics, Continental Dynamics, I&F, P&G), NERC, BGS, IRIS, Discovery TV, FCO). Before the cruise 28 3-component Refteks and 209 1-component Texans from PASSCAL were deployed on the island and 10 OBS from OBIC were deployed in the waters around it. The NERC ship RRS James Cook towed an airgun array and a streamer on encircling and radial tracks for 77 hours about Montserrat on the days 16-21 December, providing 4414 shots sampled by receiving sites and yielding a great amount of data requiring processing. The streamer deployment allowed new seismic sections of the upper 1 to 2 km of the crust around Montserrat to be imaged. The goals of the project are to constrain the physical structure of crust and upper mantle beneath SHV and around the island and to use these data to model volcanic processes, island arc volcanism, arc crust evolution and magma genesis. |
Chief scientist | R Stephen J Sparks (University of Bristol School of Earth Sciences) |
Project | SEA-CALIPSO |
Coordinating body | Universities of Bristol and Southampton and British Geological Survey |
Ocean/sea areas | |
General | Caribbean Sea |
Specific | Montserrat, Leeward Islands, Lesser Antilles |
Track charts | (0.41 MB) |
Measurements | |
Physical oceanography | |
Bathythermograph | Quantity: number of profiles = 15 Description: eXpendable BathyThermograph (XBT): vertical temperature profiles along water column. |
Geology and geophysics | |
Multichannel seismic reflection | Quantity: number of deployments = 26 Description: MCS reflection seismics, 48 channels streamer |
Multichannel seismic reflection | Quantity: number of deployments = 4414 Description: Airgun source array, total volume = 2600 cubic inches |
Multichannel seismic reflection | Quantity: number of deployments = 48 Description: Sonobouys, sensor: hydrophone |
Seismic refraction | Quantity: number of deployments = 48 Description: Sonobouys, sensor: hydrophone |
Seismic refraction | Quantity: number of deployments = 4414 Description: Airgun source array, total volume = 2600 cubic inches |
Moorings, landers, buoys | |
Physical oceanography | |
Bathythermograph | 16° 43' 32" N 62° 1' 6" W — XBT probe T7_21 - deployed 18/12/2007 17:35:49 |
Bathythermograph | 16° 48' 19" N 62° 7' 42" W — XBT probe T4_02 - deployed 17/12/2007 19:20:58 |
Bathythermograph | 16° 33' 37" N 62° 3' 18" W — XBT probe T7_04 - deployed 18/12/2007 02:43:01 |
Bathythermograph | 16° 34' 12" N 62° 3' 46" W — XBT probe T7_05 - deployed 18/12/2007 02:53:16 |
Bathythermograph | 16° 38' 54" N 62° 7' 35" W — XBT probe T7_07 - deployed 18/12/2007 04:29:02 |
Bathythermograph | 16° 39' 35" N 62° 8' 20" W — XBT probe T7_09 - deployed 18/12/2007 04:43:28 |
Bathythermograph | 16° 43' 14" N 62° 16' 41" W — XBT probe T7_10 - deployed 18/12/2007 06:58:03 |
Bathythermograph | 16° 51' 3" N 62° 15' 9" W — XBT probe T7_12 - deployed 18/12/2007 08:41:03 |
Bathythermograph | 16° 48' 52" N 62° 5' 46" W — XBT probe T7_15 - deployed 18/12/2007 11:34:03 |
Bathythermograph | 16° 47' 6" N 62° 5' 14" W — XBT probe T7_17 - deployed 18/12/2007 14:43:54 |
Bathythermograph | 16° 45' 11" N 62° 5' 41" W — XBT probe T7_19 - deployed 18/12/2007 15:49:09 |
Bathythermograph | 16° 33' 42" N 62° 8' 19" W — XBT probe T7_23 - deployed 18/12/2007 23:56:05 |
Bathythermograph | 16° 30' 9" N 62° 7' 26" W — XBT probe T7_25 - deployed 19/12/2007 00:49:03 |
Bathythermograph | 16° 37' 26" N 62° 5' 30" W — XBT probe T7_27 - deployed 19/12/2007 19:03:04 |
Bathythermograph | 16° 47' 2" N 62° 7' 42" W — XBT probe T7_02 - deployed 17/12/2007 19:39:31 |
Geology and geophysics | |
Multichannel seismic reflection | 16° 36' 51" N 62° 5' 47" W — Sonobuoy 46 - deployed 20/12/2007 16:59:18 |
Multichannel seismic reflection | 16° 56' 53" N 62° 11' 36" W — MCS Line 16 - start 353 13:01:00 FFID 3402 - end 353 16:19:00 FFID 3600 |
Multichannel seismic reflection | 16° 49' 10" N 62° 7' 49" W — Sonobuoy 1 - deployed 17/12/2007 19:04:53 |
Multichannel seismic reflection | 16° 47' 9" N 62° 7' 42" W — Sonobuoy 2 - deployed 17/12/2007 19:31:17 |
Multichannel seismic reflection | 16° 45' 24" N 62° 7' 36" W — Sonobuoy 3 - deployed 17/12/2007 19:54:38 |
Multichannel seismic reflection | 16° 39' 42" N 62° 6' 23" W — Sonobuoy 4 - deployed 17/12/2007 21:32:00 |
Multichannel seismic reflection | 16° 39' 38" N 62° 6' 11" W — Sonobuoy 5 - deployed 17/12/2007 21:36:00 |
Multichannel seismic reflection | 16° 39' 11" N 62° 5' 30" W — Sonobuoy 6 - deployed 17/12/2007 21:48:00 |
Multichannel seismic reflection | 16° 36' 26" N 62° 6' 35" W — Sonobuoy 8 - deployed 18/12/2007 03:38:00 |
Multichannel seismic reflection | 16° 39' 20" N 62° 11' 33" W — Sonobuoy 10 - deployed 18/12/2007 05:23:00 |
Multichannel seismic reflection | 16° 40' 35" N 62° 14' 5" W — Sonobuoy 11 - deployed 18/12/2007 06:01:00 |
Multichannel seismic reflection | 16° 44' 40" N 62° 16' 39" W — Sonobuoy 12 - deployed 18/12/2007 07:10:00 |
Multichannel seismic reflection | 16° 48' 16" N 62° 6' 39" W — Sonobuoy 13 - deployed 18/12/2007 11:17:00 |
Multichannel seismic reflection | 16° 48' 28" N 62° 0' 57" W — Sonobuoy 15 - deployed 18/12/2007 13:40:04 |
Multichannel seismic reflection | 16° 47' 33" N 62° 3' 53" W — Sonobuoy 16 - deployed 18/12/2007 14:19:46 |
Multichannel seismic reflection | 16° 47' 24" N 62° 4' 20" W — Sonobuoy 17 - deployed 18/12/2007 14:25:47 |
Multichannel seismic reflection | 16° 45' 0" N 62° 6' 30" W — Sonobuoy 18 - deployed 18/12/2007 15:36:12 |
Multichannel seismic reflection | 16° 43' 8" N 62° 0' 35" W — Sonobuoy 19 - deployed 18/12/2007 20:23:04 |
Multichannel seismic reflection | 16° 42' 48" N 62° 4' 42" W — Sonobuoy 20 - deployed 18/12/2007 21:13:00 |
Multichannel seismic reflection | 16° 36' 6" N 62° 8' 55" W — Sonobuoy 23 - deployed 18/12/2007 23:17:00 |
Multichannel seismic reflection | 16° 30' 26" N 62° 10' 46" W — Sonobuoy 24 - deployed 19/12/2007 03:04:30 |
Multichannel seismic reflection | 16° 31' 18" N 62° 10' 48" W — Sonobuoy 25 - deployed 19/12/2007 03:16:30 |
Multichannel seismic reflection | 16° 39' 32" N 62° 14' 15" W — Sonobuoy 26 - deployed 19/12/2007 05:46:00 |
Multichannel seismic reflection | 16° 44' 20" N 62° 23' 0" W — Sonobuoy 27 - deployed 19/12/2007 08:54:00 |
Multichannel seismic reflection | 16° 46' 28" N 62° 21' 56" W — Sonobuoy 28 - deployed 19/12/2007 09:24:00 |
Multichannel seismic reflection | 16° 54' 41" N 62° 17' 50" W — Sonobuoy 29 - deployed 19/12/2007 09:28:00 |
Multichannel seismic reflection | 16° 56' 32" N 62° 10' 51" W — Sonobuoy 30 - deployed 19/12/2007 13:10:00 |
Multichannel seismic reflection | 16° 52' 8" N 62° 4' 31" W — Sonobuoy 31 - deployed 19/12/2007 15:12:00 |
Multichannel seismic reflection | 16° 47' 50" N 62° 2' 15" W — Sonobuoy 32 - deployed 19/12/2007 16:23:00 |
Multichannel seismic reflection | 16° 42' 12" N 62° 2' 13" W — Sonobuoy 33 - deployed 19/12/2007 17:38:54 |
Multichannel seismic reflection | 16° 45' 0" N 62° 16' 42" W — Sonobuoy 35 - deployed 20/12/2007 00:49:30 |
Multichannel seismic reflection | 16° 45' 40" N 62° 16' 39" W — Sonobuoy 36 - deployed 20/12/2007 00:54:30 |
Multichannel seismic reflection | 16° 50' 23" N 62° 6' 32" W — Sonobuoy 37 - deployed 20/12/2007 04:48:30 |
Multichannel seismic reflection | 16° 39' 18" N 62° 6' 32" W — Sonobuoy 39 - deployed 20/12/2007 07:24:00 |
Multichannel seismic reflection | 16° 37' 45" N 62° 13' 40" W — Sonobuoy 40 - deployed 20/12/2007 09:02:00 |
Multichannel seismic reflection | 16° 42' 34" N 62° 21' 3" W — Sonobuoy 41 - deployed 20/12/2007 12:52:23 |
Multichannel seismic reflection | 16° 40' 37" N 62° 19' 44" W — Sonobuoy 42 - deployed 20/12/2007 13:23:22 |
Multichannel seismic reflection | 16° 36' 31" N 62° 16' 21" W — Sonobuoy 43 - deployed 20/12/2007 14:34:00 |
Multichannel seismic reflection | 16° 35' 14" N 62° 11' 49" W — Sonobuoy 44 - deployed 20/12/2007 15:35:17 |
Multichannel seismic reflection | 16° 35' 40" N 62° 8' 9" W — Sonobuoy 45 - deployed 20/12/2007 16:25:26 |
Multichannel seismic reflection | 16° 36' 51" N 62° 3' 52" W — Sonobuoy 47 - deployed 20/12/2007 17:47:19 |
Multichannel seismic reflection | 16° 39' 4" N 62° 3' 52" W — Sonobuoy 48 - deployed 20/12/2007 17:50:03 |
Multichannel seismic reflection | 16° 52' 45" N 62° 5' 14" W — MCS Line 1 - start 351 18:06:00 FFID 1001 - end 351 18:51:00 FFID 1041 |
Multichannel seismic reflection | 16° 49' 53" N 62° 7' 44" W — MCS Line 2 - start 351 18:56:00 FFID 1041 - end 351 21:00:00 FFID 1166 |
Multichannel seismic reflection | 16° 41' 17" N 62° 7' 55" W — MCS Line 3 - start 351 21:02:00 FFID 1167 - end 351 22:54:00 FFID 1279 |
Multichannel seismic reflection | 16° 35' 4" N 61° 59' 22" W — MCS Line 5 - start 351 23:55:00 FFID 1302 - end 352 05:51:00 FFID 1598 |
Multichannel seismic reflection | 16° 39' 47" N 62° 9' 19" W — MCS Line 6 - start 352 04:55:00 FFID 1599 - end 352 11:07:00 FFID 1971 |
Multichannel seismic reflection | 16° 48' 10" N 62° 7' 14" W — MCS Line 7 - start 352 11:10:00 FFID 1972 - end 352 13:07:00 FFID 2089 |
Multichannel seismic reflection | 16° 50' 19" N 62° 0' 5" W — MCS Line 8 - start 352 13:09:00 FFID 2090 - end 352 15:18:00 FFID 2219 |
Multichannel seismic reflection | 16° 42' 11" N 62° 7' 13" W — MCS Line 11 - start 352 21:47:00 FFID 2597 - end 352 22:38:00 FFID 2648 |
Multichannel seismic reflection | 16° 33' 46" N 62° 9' 36" W — MCS Line 12 - start 352 22:42:00 FFID 2649 - end 353 01:07:00 FFID 2794 |
Multichannel seismic reflection | 16° 39' 14" N 62° 12' 9" W — MCS Line 14 - start 353 05:17:00 FFID 2944 - end 353 08:40:00 FFID 3147 |
Multichannel seismic reflection | 16° 43' 33" N 62° 23' 18" W — MCS Line 15 - start 353 08:44:00 FFID 3148 - end 353 12:57:00 FFID 3401 |
Multichannel seismic reflection | 16° 48' 1" N 62° 2' 17" W — MCS Line 17 - start 353 16:22:00 FFID 3601 - end 353 18.41:00 FFID 3740 |
Multichannel seismic reflection | 16° 35' 37" N 62° 14' 15" W — MCS Line 18 - start 353 21:08:00 FFID 3741 - end 353 21:17:00 FFID 3750 |
Multichannel seismic reflection | 16° 36' 8" N 62° 17' 20" W — MCS Line 19 - start 353 21:48:00 FFID 3751 - end 353 23:21:00 FFID 3844 |
Multichannel seismic reflection | 16° 41' 11" N 62° 21' 39" W — MCS Line 20 - start 353 23:25:00 FFID 3845 - end 354 00:39:00 FFID 3919 |
Multichannel seismic reflection | 16° 44' 20" N 62° 16' 52" W — MCS Line 21 - start 354 00:42:00 FFID 3920 - end 354 02:25:00 FFID 4023 |
Multichannel seismic reflection | 16° 51' 56" N 62° 15' 43" W — MCS Line 22 - start 354 02:29:00 FFID 4024 - end 354 04:36:00 FFID 4151 |
Multichannel seismic reflection | 16° 51' 2" N 62° 6' 43" W — MCS Line 23 - start 354 04:40:00 FFID 4152 - end 354 07:17:00 FFID 4309 |
Multichannel seismic reflection | 16° 39' 31" N 62° 6' 17" W — MCS Line 24 - start 354 07:20:00 FFID 43:10 - end 354 11:16:00 FFID 4546 |
Multichannel seismic reflection | 16° 46' 44" N 62° 17' 41" W — MCS Line 25 - start 354 11:20:00 FFID 4547 - end 354 15:52:00 FFID 4819 |
Multichannel seismic reflection | 16° 35' 11" N 62° 10' 18" W — MCS Line 26 - start 354 15:57:00 FFID 4820 - end 354 19:00:00 FFID 5003 |
Multichannel seismic reflection | 16° 36' 43" N 62° 9' 5" W — Sonobuoy 22 - deployed 18/12/2007 23:08:00 |
Multichannel seismic reflection | 16° 31' 37" N 62° 1' 41" W — Sonobuoy 7 - deployed 18/12/2007 02:02:00 |
Multichannel seismic reflection | 16° 42' 43" N 62° 5' 50" W — Sonobuoy 21 - deployed 18/12/2007 21:27:00 |
Multichannel seismic reflection | 16° 48' 52" N 62° 5' 57" W — Sonobuoy 38 - deployed 20/12/2007 06:05:00 |
Multichannel seismic reflection | 16° 43' 13" N 61° 59' 14" W — MCS Line 10 - start 352 20:05:00 FFID 2498 - end 352 21:43:00 FFID 2596 |
Multichannel seismic reflection | 16° 36' 47" N 62° 5' 52" W — Sonobuoy 9 - deployed 18/12/2007 03:44:00 |
Multichannel seismic reflection | 16° 49' 26" N 62° 4' 56" W — Sonobuoy 14 - deployed 18/12/2007 11:44:00 |
Multichannel seismic reflection | 16° 41' 43" N 62° 21' 15" W — Sonobuoy 34 - deployed 19/12/2007 23:32:30 |
Multichannel seismic reflection | 16° 36' 11" N 62° 1' 4" W — MCS Line 4 - start 351 23:13:00 FFID 1280 - end 351 23:34:00 FFID 1301 |
Multichannel seismic reflection | 16° 45' 27" N 62° 7' 33" W — MCS Line 9 - start 352 15:21:00 FFID 2020 - end 352 19:58:00 FFID 2497 |
Multichannel seismic reflection | 16° 29' 0" N 62° 10' 41" W — MCS Line 13 - start 353 02:46:00 FFID 2795 - end 353 05:14:00 FFID 2943 |
Multichannel seismic reflection | 16° 43' 44" N 62° 4' 13" W — MCS END - 354 19:00:00 FFID 5003 |
Seismic refraction | 16° 36' 51" N 62° 5' 47" W — Sonobuoy 46 - deployed 20/12/2007 16:59:18 |
Seismic refraction | 16° 41' 43" N 62° 21' 15" W — Sonobuoy 34 - deployed 19/12/2007 23:32:30 |
Seismic refraction | 16° 47' 9" N 62° 7' 42" W — Sonobuoy 2 - deployed 17/12/2007 19:31:17 |
Seismic refraction | 16° 45' 24" N 62° 7' 36" W — Sonobuoy 3 - deployed 17/12/2007 19:54:38 |
Seismic refraction | 16° 39' 42" N 62° 6' 23" W — Sonobuoy 4 - deployed 17/12/2007 21:32:00 |
Seismic refraction | 16° 39' 38" N 62° 6' 11" W — Sonobuoy 5 - deployed 17/12/2007 21:36:00 |
Seismic refraction | 16° 39' 11" N 62° 5' 30" W — Sonobuoy 6 - deployed 17/12/2007 21:48:00 |
Seismic refraction | 16° 36' 26" N 62° 6' 35" W — Sonobuoy 8 - deployed 18/12/2007 03:38:00 |
Seismic refraction | 16° 39' 20" N 62° 11' 33" W — Sonobuoy 10 - deployed 18/12/2007 05:23:00 |
Seismic refraction | 16° 40' 35" N 62° 14' 5" W — Sonobuoy 11 - deployed 18/12/2007 06:01:00 |
Seismic refraction | 16° 44' 40" N 62° 16' 39" W — Sonobuoy 12 - deployed 18/12/2007 07:10:00 |
Seismic refraction | 16° 48' 16" N 62° 6' 39" W — Sonobuoy 13 - deployed 18/12/2007 11:17:00 |
Seismic refraction | 16° 48' 28" N 62° 0' 57" W — Sonobuoy 15 - deployed 18/12/2007 13:40:04 |
Seismic refraction | 16° 47' 33" N 62° 3' 53" W — Sonobuoy 16 - deployed 18/12/2007 14:19:46 |
Seismic refraction | 16° 47' 24" N 62° 4' 20" W — Sonobuoy 17 - deployed 18/12/2007 14:25:47 |
Seismic refraction | 16° 45' 0" N 62° 6' 30" W — Sonobuoy 18 - deployed 18/12/2007 15:36:12 |
Seismic refraction | 16° 43' 8" N 62° 0' 35" W — Sonobuoy 19 - deployed 18/12/2007 20:23:04 |
Seismic refraction | 16° 42' 48" N 62° 4' 42" W — Sonobuoy 20 - deployed 18/12/2007 21:13:00 |
Seismic refraction | 16° 36' 6" N 62° 8' 55" W — Sonobuoy 23 - deployed 18/12/2007 23:17:00 |
Seismic refraction | 16° 30' 26" N 62° 10' 46" W — Sonobuoy 24 - deployed 19/12/2007 03:04:30 |
Seismic refraction | 16° 31' 18" N 62° 10' 48" W — Sonobuoy 25 - deployed 19/12/2007 03:16:30 |
Seismic refraction | 16° 39' 32" N 62° 14' 15" W — Sonobuoy 26 - deployed 19/12/2007 05:46:00 |
Seismic refraction | 16° 44' 20" N 62° 23' 0" W — Sonobuoy 27 - deployed 19/12/2007 08:54:00 |
Seismic refraction | 16° 46' 28" N 62° 21' 56" W — Sonobuoy 28 - deployed 19/12/2007 09:24:00 |
Seismic refraction | 16° 54' 41" N 62° 17' 50" W — Sonobuoy 29 - deployed 19/12/2007 09:28:00 |
Seismic refraction | 16° 56' 32" N 62° 10' 51" W — Sonobuoy 30 - deployed 19/12/2007 13:10:00 |
Seismic refraction | 16° 52' 8" N 62° 4' 31" W — Sonobuoy 31 - deployed 19/12/2007 15:12:00 |
Seismic refraction | 16° 47' 50" N 62° 2' 15" W — Sonobuoy 32 - deployed 19/12/2007 16:23:00 |
Seismic refraction | 16° 42' 12" N 62° 2' 13" W — Sonobuoy 33 - deployed 19/12/2007 17:38:54 |
Seismic refraction | 16° 45' 0" N 62° 16' 42" W — Sonobuoy 35 - deployed 20/12/2007 00:49:30 |
Seismic refraction | 16° 45' 40" N 62° 16' 39" W — Sonobuoy 36 - deployed 20/12/2007 00:54:30 |
Seismic refraction | 16° 50' 23" N 62° 6' 32" W — Sonobuoy 37 - deployed 20/12/2007 04:48:30 |
Seismic refraction | 16° 39' 18" N 62° 6' 32" W — Sonobuoy 39 - deployed 20/12/2007 07:24:00 |
Seismic refraction | 16° 37' 45" N 62° 13' 40" W — Sonobuoy 40 - deployed 20/12/2007 09:02:00 |
Seismic refraction | 16° 42' 34" N 62° 21' 3" W — Sonobuoy 41 - deployed 20/12/2007 12:52:23 |
Seismic refraction | 16° 40' 37" N 62° 19' 44" W — Sonobuoy 42 - deployed 20/12/2007 13:23:22 |
Seismic refraction | 16° 36' 31" N 62° 16' 21" W — Sonobuoy 43 - deployed 20/12/2007 14:34:00 |
Seismic refraction | 16° 35' 14" N 62° 11' 49" W — Sonobuoy 44 - deployed 20/12/2007 15:35:17 |
Seismic refraction | 16° 35' 40" N 62° 8' 9" W — Sonobuoy 45 - deployed 20/12/2007 16:25:26 |
Seismic refraction | 16° 36' 51" N 62° 3' 52" W — Sonobuoy 47 - deployed 20/12/2007 17:47:19 |
Seismic refraction | 16° 39' 4" N 62° 3' 52" W — Sonobuoy 48 - deployed 20/12/2007 17:50:03 |
Seismic refraction | 16° 36' 43" N 62° 9' 5" W — Sonobuoy 22 - deployed 18/12/2007 23:08:00 |
Seismic refraction | 16° 31' 37" N 62° 1' 41" W — Sonobuoy 7 - deployed 18/12/2007 02:02:00 |
Seismic refraction | 16° 42' 43" N 62° 5' 50" W — Sonobuoy 21 - deployed 18/12/2007 21:27:00 |
Seismic refraction | 16° 48' 52" N 62° 5' 57" W — Sonobuoy 38 - deployed 20/12/2007 06:05:00 |
Seismic refraction | 16° 36' 47" N 62° 5' 52" W — Sonobuoy 9 - deployed 18/12/2007 03:44:00 |
Seismic refraction | 16° 49' 26" N 62° 4' 56" W — Sonobuoy 14 - deployed 18/12/2007 11:44:00 |
Seismic refraction | 16° 49' 10" N 62° 7' 49" W — Sonobuoy 1 - deployed 17/12/2007 19:04:53 |