Cruise Report (PDF, 4.8Mb) - NOAA, Ocean Explorer

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Date Time Date Time (local) (local) (UTC) (UTC) NELRC – TN232 Events Jason in the water. Start of dive J2-415 at NELSC Latitude Longitude 7-May 1847 8-May 0547 Nov'08 eruption site. Map young lava flow. -15.39100 -174.25349 8-May 0807 8-May 1907 Jason on deck. End of dive J2-415. CTD tow T09C-02 (cast 3) start. NELSC - continuing 8-May 0837 8-May 1937 north along Nov'08 eruption area. -15.38789 -174.24789 8-May 1053 8-May 2153 CTD T09C-02 end. Tow successful CTD vertical V09C-02 (cast 4) start. Maka volcano at -15.36210 -174.22637 8-May 1204 8-May 2304 the south end of NELSC. -15.42315 -174.28493 8-May 1318 9-May 0018 CTD V09C-02 end. Cast successful MBARI AUV D. Allan B in the water at NELSC and Tafu (S end). Mission MAUV_Tafu_1v7 8-May 1356 9-May 0056 (20090509Notes) Jason in the water. Start of dive J2-416 at NELSC south end of Nov'08 eruption site and Maka volcano at -15.40133 -174.26395 8-May 1611 9-May 0311 the southern end of the spreading center. -15.38897 -174.25388 9-May 0817 9-May 1917 Jason on deck. End of dive J2-416. AUV back on board. Mission ~50% successful. Did 9-May 0915 9-May 2015 collect bathymetry data. Start transit to recover hydrophone mooring (Northeast 9-May 0930 9-May 2030 of NELSC). 9-May 1045 9-May 2145 Arrive at hydrophone mooring location. -15.28845 -174.15145 9-May 1445 10-May 0145 Hydrophone on board. Recovered. Jason in the water. Start of dive J2-417 at W Mata. SW 9-May 1802 10-May 0502 rift zone to the summit. -15.09631 -173.75048 10-May 0803 10-May 1903 Jason on deck. End of dive J2-417. CTD vertical V09C-03 (cast 5) start. Western base of 10-May 0843 10-May 1943 W Mata. CTD failed at 1680m during downcast. -15.10292 -173.77495 10-May 0914 10-May 2014 CTD V09C-03 end. CTD vertical V09C-04 (cast 6) start. W Mata. CTD 10-May 1025 10-May 2125 failed at 280m during downcast. -15.09432 -173.74820 10-May 1032 10-May 2132 CTD V09C-04 end. Start logging EM300 data to fill the data gap SE of 10-May 1133 10-May 2233 Mata. 10-May 1248 10-May 2348 Stop EM300 logging. End of survey. MBARI AUV D. Allan B in the water at W Mata. 10-May 1340 11-May 0040 Mission MAUV_Mata_1v12 (20090511Notes) -15.12328 -173.47604 10-May 1500 11-May 0200 CTD vertical attempt. Failed. Jason in the water. Start of dive J2-418 at W Mata. NE 10-May 1656 11-May 0356 rift zone to the summit. AUV back on board. Mission was successful. Did -15.09418 -173.74988 11-May 0720 11-May 1820 collect bathymetry data. 11-May 0755 11-May 1855 Jason on deck. End of dive J2-418. 11-May 0903 11-May 2003 CTD tow attempt. Failed again (ground fault). 11-May 1110 11-May 2210 CTD tow attempt again. Failed again. MBARI AUV D. Allan B in the water at W Mata. 11-May 1457 12-May 0157 Mission MAUV_Mata_2v14 (20090512Notes) Jason in the water. Start of dive J2-419 at W Mata. -15.12337 -173.76025 11-May 1800 12-May 0500 Exploration and documentation of eruptive processes. Jason on deck. End of dive J2-419. Dive aborted due to -15.10341 -173.75564 11-May 2035 12-May 0735 fiber-optic power problems. Never got to bottom. Jason in the water. Start of dive J2-420 at W Mata. Exploration and documentation of eruptive processes (same as previous aborted dive). No HDTV video due 11-May 2241 12-May 0941 to fiber optic problem. AUV back on board. Mission was successful. Did -15.10341 -173.75564 12-May 1020 12-May 2120 collect bathymetry data. 12-May 1406 13-May 0106 Jason on deck. End of dive J2-420. 17
Date Time Date Time (local) (local) (UTC) (UTC) NELRC – TN232 Events CTD vertical V09C-05 (cast 7) start. W Mata over Latitude Longitude 12-May 1759 13-May 0459 Hades. Successful!!! -15.09513 -173.74962 12-May 1857 13-May 0557 CTD V09C-03 end. 12-May 1900 13-May 0600 Transit back to Apia Samoa. 13-May 0900 13May 2000 Arrive in Apia Samoa. End of <strong>Cruise</strong> TN234. 18
Page 2 and 3: Section Table of Contents Page NELR
Page 4 and 5: NELRC Image Highlights Hades J2-414
Page 6 and 7: Prometheus J2-417 (W Mata). Eruptiv
Page 8 and 9: NELSC J2-415. “Puipui” curtain
Page 10 and 11: 1.0 NE LAU RESPONSE CRUISE (NELRC)
Page 12 and 13: path over the eruption area as the
Page 15 and 16: Figure 1. NELRC cruise location and
Page 17: 1.1 Operations Log Date Time Date T
Page 21 and 22: Name Cruise Focus Affiliation Email
Page 23 and 24: R/V Thomas G THOMPSON TEAM Name Pos
Page 25 and 26: 3.2 Dive Areas: Maps of West Mata a
Page 27 and 28: Figure 5. NELSC. All vent sites and
Page 29 and 30: November eruption. Collected 3 more
Page 31: Tasks: The main goal of the dive wa
Page 34 and 35: Figure 7. J2-414 Jason dive track o
Page 36 and 37: Figure 9. J2-416 part 2. Jason dive
Page 38 and 39: Figure 11. J2-418 Jason dive track
Page 40 and 41: 3.5 Jason-2 Dive Samples 3.5.1 Samp
Page 42 and 43: sample name type Location date hr m
Page 48 and 49: J416 Sample Log sample name type Lo
Page 52 and 53: sample name type location date hr m
Page 62 and 63: Figure 13. Preliminary AUV bathymet
Page 64 and 65: 4.4 Jason-2 Navigation Targets West
Page 66 and 67: 5.0 NELRC DISCIPLINE SUMMARIES 5.1
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Sample Handling and Description All
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spherules in vesicles. Older sample
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Dive # Area Sample name Collection
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The last rock sample from the exped
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J414-Misc The sample is about 70% f
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5.1.3 Sulfur Isotopes - Lau Rapid R
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DateTime Dive # Event 2009/05/11 03
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Figure 16. MBARI AUV D.Allan B. pre
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MBARI Mapping AUV Mission Summaries
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Minimum Altitude: 16.0966 Maximum A
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5.2 MACROBIOLOGY Figure 19. Biology
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crabs, vent-endemic (Thermarces sp.
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5.3 MICROBIOLOGY 5.3.1 Eruptive Flu
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5.3.2 Microbial Mats Rick Davis Mic
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J2-416-9-R-1 15°2.334'S, 174°17.0
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J2416-21-R-1 15°2.334'S, 174°17.0
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UH # CTD Cast Site 3 V09C00 4 V09C0
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UH # Dive Smplr Type Site Smpler #
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cylinder 20 was removed and replace
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center with maximum measured temper
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This vent was recycling rocks like
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Fluid Sample Images from NE Lau Res
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Dive J2-415 at NELSC (left) Dive 41
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Dive J2-417 (cont.) at West Mata (l
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Dive J2-420 at West Mata lDive 420
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Samp # Hydrothermal Fluid Sample Di
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Samp # T max °C T avg °C Vent pum
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5.5.2 Summary of Dissolved Gases Ta
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Summary of preliminary results NELS
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5.5.3 Helium Isotope Lab Gas Sampli
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5.6.1 CTD Operations Edward Baker,
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CTD Sample Types, Abbreviations, Nu
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DVD_Id Start Date/Time End Date/Tim
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DVD_Id Start Date/Time End Date/Tim
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APPENDIX JASON-2 DIVE LOGS (NELRC -
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time stamp vv lat vv long vv rec hd
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J2-415 Dive Log time stamp vv lat v
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J2-417 Dive Log timestamp vv lat vv
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timestamp vv lat vv long vv rec hdg
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time stamp vv lat vv long vvrec hdg
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