UTC |
Z(m) |
Hdg |
UTM X |
UTM Y |
Comments - Dive R546 |
Samples |
Investigator |
SubSmps |
FrGrb# |
AUTOMATED LOGGING SYSTEM FIXED ON THIS DIVE!!! All auto time, heading, depth and utm position information inaccurate before JD188/2300, when auto logging system was fixed. AUTO LOGGING INFO SHOULD BE CORRECT AFTER 2300. As always, positions in utm x/y columns are automated and not flagged for accuracy. Consult dive maps for final position data. |
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Tasks: Imagenex survey of Axial Southern Pillow Flow at 45 52' N. McLane pump and plankton net during survey. Suction sampling, place benchmark at fissure. |
Bottom time: JD188(7/6) 2019- JD189(7/7) 1417 |
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19:14:29 Jul 06 '00 |
1 |
192 |
430881 |
5092123 |
1915 - ROPOS is in the water. start dive |
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19:50:15 Jul 06 '00 |
978 |
153 |
430881 |
5092123 |
1951 - ROPOS is passing 1000m. |
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20:14:29 Jul 06 '00 |
1672 |
220 |
430881 |
5092123 |
2015 - ROPOS is leaving the cage. Bottom depth is 1720m. Not currently getting fixes. |
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20:18:09 Jul 06 '00 |
1704 |
44 |
430881 |
5092123 |
2019 - ROPOS is on the bottom. Bottom is pillow flow with a little sediment. |
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20:20:19 Jul 06 '00 |
1718 |
46 |
430881 |
5092123 |
2024 - Nav is now functioning again. 1 or 2 ranges out of 3 are good so far. |
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20:28:51 Jul 06 '00 |
1718 |
47 |
430881 |
5092123 |
2031 - ROPOS is looking for the fissure in order to place the benchmark. 2032 asking ship to move toward the fissure. |
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20:37:23 Jul 06 '00 |
1717 |
316 |
422076 |
5079214 |
2041 - Sheet flow next to pillows. A basket star. |
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20:40:23 Jul 06 '00 |
1717 |
317 |
422178 |
5079242 |
2044 - ROPOS is still moving along the bottom looking for the fissure. The ship is over the fissure according to NAV. Not much particulate in the water. Very clear. |
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20:43:13 Jul 06 '00 |
1718 |
317 |
422064 |
5079236 |
2048 - stalked crinoid. ROPOS is still looking for the fissure. |
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20:44:33 Jul 06 '00 |
1718 |
320 |
422054 |
5079245 |
2050 - a small ray |
R546-001 |
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20:45:23 Jul 06 '00 |
1719 |
317 |
422054 |
5079245 |
2051 - stalked crinoid |
R546-002 |
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20:46:33 Jul 06 '00 |
1719 |
317 |
421834 |
5078411 |
2052 - a bunch of little brittle stars, and the ray |
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20:52:23 Jul 06 '00 |
1720 |
346 |
421827 |
5078435 |
2059 - asking the ship to move an additional 50m West. Bottom is ropy flows. |
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20:57:43 Jul 06 '00 |
1719 |
282 |
419165 |
5079524 |
2105 - asking the ship move 100 m 060deg. Lots of basket stars. |
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21:03:15 Jul 06 '00 |
1715 |
281 |
422060 |
5079225 |
2109 - archive tapes both started. |
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21:13:45 Jul 06 '00 |
1721 |
58 |
422011 |
5079287 |
2114 - still looking for the fissure. Bottom is sheet flows. |
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21:16:45 Jul 06 '00 |
1721 |
57 |
422054 |
5079310 |
2117 - located fissure. Heading a little north. lava from the 1998 flow is evident in the bottom of the fissure. |
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21:18:15 Jul 06 '00 |
1721 |
32 |
422054 |
5079310 |
2117 - the fissure |
R546-003 |
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21:20:25 Jul 06 '00 |
1721 |
14 |
422054 |
5079310 |
2122 - ROPOS is setting down on the bottom. getting ready to DEPLOY the benchmark. |
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21:21:35 Jul 06 '00 |
1722 |
118 |
422054 |
5079310 |
fissure (benchmark legs in foreground) |
R546-004 |
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21:21:45 Jul 06 '00 |
1722 |
136 |
422054 |
5079310 |
2123 - positioning to DEPLOY Bmrk-66. |
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21:24:15 Jul 06 '00 |
1722 |
119 |
422213 |
5079347 |
2126 - placing the pressure sensor on the benchmark. |
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21:26:15 Jul 06 '00 |
1722 |
108 |
422040 |
5079299 |
2129 - still positioning pressure sensor on the benchmark. |
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21:27:27 Jul 06 '00 |
1722 |
110 |
422040 |
5079299 |
2130 - Begin pressure sensor measurement. |
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21:28:07 Jul 06 '00 |
1722 |
109 |
422040 |
5079299 |
2130 - begin pressure sensor measurement. Bmrk-66 x=422091 y=5079330. |
R546-005 |
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21:29:17 Jul 06 '00 |
1722 |
117 |
422040 |
5079299 |
2132 - cage motor off. checking to see if we have good nav fixes. |
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21:35:17 Jul 06 '00 |
1722 |
109 |
422255 |
5079439 |
2140 - ophiuroids |
R546-006 |
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21:36:27 Jul 06 '00 |
1723 |
109 |
422317 |
5079467 |
tunicate, worm casing, 2 ophiuroids and a polychaete |
R546-007 |
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21:38:07 Jul 06 '00 |
1722 |
108 |
422255 |
5079441 |
limpet |
R546-008 |
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21:48:17 Jul 06 '00 |
1723 |
108 |
422253 |
5079445 |
2154 - coralline |
R546-009 |
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21:48:57 Jul 06 '00 |
1723 |
108 |
422253 |
5079445 |
2155 - the fissure at bmk 66 |
R546-010 |
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22:03:07 Jul 06 '00 |
1723 |
108 |
422257 |
5079438 |
Location: Bmrk-66 at fissure. Crinoid |
R546-011 |
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22:03:07 Jul 06 '00 |
1723 |
108 |
422257 |
5079438 |
2203 - end of pressure sensor measurement. |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2204 - ROPOS is repositioning. Update will be down for a few minutes. Returning pressure sensor to it cradle. |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
Bmrk-66 and the fissure |
R546-012 |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
collapse in fissure |
R546-013 |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2207 - pressure sensor is secure. ROPOS is moving to an area to suction sediments. |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2210 - ROPOS is on the bottom preparing to sample with the SS. 2212 - jar J3 is in position 200 um mesh. 2212 - pump is on, positioning arm to collect sample. |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
suction sample bottle J-3 with filter 200um |
R546-014 |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2212 Suction Sample Jar 3 PELAGIC SEDIMENT area of the fissure. Z=1723. Bmrk-66 x=422091, y=5079330. |
R546-SS-J3-001 |
Juniper/ Tunnicliffe |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2216 pump off |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2217 Suction sample flush into jar 2, basalt chips (Rk) z=1723. Fissure Bmrk-66. |
R546-SS-J2-0002 |
J Chadwick |
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22:03:37 Jul 06 '00 |
1723 |
108 |
422253 |
5079446 |
2217 - Flush into jar 2. Caught a few basalt chips. |
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22:20:13 Jul 06 '00 |
1723 |
87 |
422081 |
5079375 |
2220 - NAV is working? |
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22:22:03 Jul 06 '00 |
1723 |
87 |
422090 |
5079333 |
2222 -This is a good fix for the BM location: x=422089 y=5079332 depth=1723. ROPOS is 2 m from Bmrk-66. |
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22:23:13 Jul 06 '00 |
1723 |
87 |
422100 |
5079281 |
R546-015 |
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22:27:13 Jul 06 '00 |
1723 |
87 |
422095 |
5079335 |
2227 start McLane pump at 7 liter/min |
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22:30:33 Jul 06 '00 |
1723 |
87 |
422089 |
5079334 |
2230 - Imagenex is collecting good data. ROPOS is going to the south end of line 9 to begin survey. |
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22:35:33 Jul 06 '00 |
1716 |
205 |
422046 |
5079204 |
2235 - asking ship to move the South end of line 9. |
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22:44:15 Jul 06 '00 |
1698 |
203 |
421407 |
5078338 |
2241 - main tapes off, Tunnicliffe tape on |
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23:00:55 Jul 06 '00 |
1698 |
27 |
422037 |
5079259 |
NOTE: AT 2300 AUTOMATED LOGGING SYSTEM WAS FIXED!!! FROM THIS POINT ON THE TIME, HEADING, DEPTH INFO SHOULD BE CORRECT. LOCATION INFO IS STILL ONLY RAW NAVIGATION. |
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23:02:15 Jul 06 '00 |
1698 |
23 |
422040 |
5079272 |
2250 - Imagenex line 9 starts about this time. |
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23:18:17 Jul 06 '00 |
1703 |
39 |
422109 |
5079445 |
Imagenex survey started at about 2300. |
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00:19:01 Jul 07 '00 |
1699 |
32 |
422490 |
5080576 |
EOL #9 Imagenex at 0018 GMT; 422486/5080563 ROPOS 3 transponder fix, RMS 11.9 |
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00:24:51 Jul 07 '00 |
1699 |
224 |
422539 |
5080522 |
SOL #10 at 0024; 422539/5080522 ROPOS 3 transponder fix, RMS 11.6 |
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01:45:07 Jul 07 '00 |
1701 |
207 |
421900 |
5079937 |
EOL #10 at 0144; 422075/5079143 ROPOS 3 transp. fix, RMS 2.8 |
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01:53:17 Jul 07 '00 |
1701 |
25 |
422135 |
5079119 |
SOL #11 at 0152; 422133/5079109, RMS 2.0 |
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02:34:21 Jul 07 '00 |
1705 |
19 |
422346 |
5079751 |
0235 Still doing Imagenex. Ship is making funky designs on the screen. |
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03:09:34 Jul 07 '00 |
1696 |
20 |
422604 |
5080520 |
EOL 11 |
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03:17:34 Jul 07 '00 |
1696 |
202 |
422706 |
5080542 |
SOL 12 at 0317 |
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04:25:10 Jul 07 '00 |
1700 |
204 |
422185 |
5079100 |
End of Line 12 |
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04:30:00 Jul 07 '00 |
1701 |
8 |
422246 |
5079114 |
SOL 13 |
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04:53:42 Jul 07 '00 |
1697 |
27 |
422358 |
5079507 |
McLane pump turned off. |
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05:43:24 Jul 07 '00 |
1696 |
105 |
422710 |
5080499 |
EOL 13, moving to the east for line 14 which runs NE to SW |
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05:46:34 Jul 07 '00 |
1696 |
204 |
422770 |
5080463 |
SOL 14 |
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06:56:20 Jul 07 '00 |
1702 |
197 |
419968 |
5079850 |
0658 End of Line #14 |
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07:03:40 Jul 07 '00 |
1702 |
21 |
422362 |
5079089 |
Begin Line #15, South to North |
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08:11:36 Jul 07 '00 |
1697 |
33 |
422822 |
5080454 |
EOL 15 |
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08:21:26 Jul 07 '00 |
1714 |
199 |
422887 |
5080381 |
SOL 16 at 08:15, ship having a little trouble getting on the line after the turn. Driving north to south. |
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08:51:08 Jul 07 '00 |
1722 |
199 |
422686 |
5079837 |
ROPOS guys concerned because main oil reservoir pressure is rising... |
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09:01:30 Jul 07 '00 |
1718 |
207 |
422623 |
5079655 |
Verena's videotape was stopped at 8:50 because the ROPOS guys wanted to watch the main reservoir gauge for a while. |
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09:33:22 Jul 07 '00 |
1701 |
199 |
422417 |
5079030 |
EOL 16, turning east for line 17. Oil pressure holding... |
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09:36:32 Jul 07 '00 |
1701 |
96 |
422466 |
5079031 |
SOL 17 |
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10:47:58 Jul 07 '00 |
1699 |
51 |
422979 |
5080451 |
EOL 17. |
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10:51:28 Jul 07 '00 |
1707 |
202 |
423006 |
5080385 |
SOL 18. Heading south. |
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12:09:04 Jul 07 '00 |
1721 |
209 |
422686 |
5079487 |
Oil pressure seems to be holding. Started Verena's color camera video back up at 12:08. We're 2/3 down line 18. |
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12:19:44 Jul 07 '00 |
1722 |
201 |
422657 |
5079375 |
12:18 Color cam videotape changed for Verena. |
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12:52:56 Jul 07 '00 |
1714 |
195 |
422537 |
5078989 |
12:53 EOL 18. End of Imagenex survey. We will now transit back to Bmrk-66, where we started the dive to make a final pressure measurement. ROPOS will go up to the cage for the transit. |
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12:55:56 Jul 07 '00 |
1689 |
80 |
422534 |
5078990 |
12:54 Turned Verena's videotapes off. |
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13:00:06 Jul 07 '00 |
1669 |
304 |
422536 |
5079000 |
Time on SIT camera is ~45 sec fast. |
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13:04:18 Jul 07 '00 |
1669 |
290 |
422502 |
5079012 |
transiting to Bmrk-66 |
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13:38:20 Jul 07 '00 |
1672 |
154 |
422153 |
5079267 |
Ship in position at Bmrk-66, ROPOS going down to bottom. |
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13:39:30 Jul 07 '00 |
1692 |
164 |
422108 |
5079324 |
Will put larvae net in biobox after we get to bottom. |
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13:41:50 Jul 07 '00 |
1722 |
169 |
422108 |
5079324 |
Back on bottom at Bmrk-66. Putting plankton net in port side of biobox. (S Pillow Flow at 45deg 52') |
R546-net-0003 |
Tunnicliffe/ Metaxa |
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13:45:40 Jul 07 '00 |
1723 |
171 |
421075 |
5078207 |
Larvae net in biobox. Critters visible in glass tip. Embley color and SIT videotapes turned back on. |
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13:47:30 Jul 07 '00 |
1723 |
163 |
422098 |
5079289 |
R546-016 |
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13:47:30 Jul 07 '00 |
1723 |
163 |
422098 |
5079289 |
Bmrk-66 |
R546-017 |
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13:48:30 Jul 07 '00 |
1722 |
201 |
422098 |
5079289 |
Bmrk-66 |
R546-018 |
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13:48:50 Jul 07 '00 |
1722 |
242 |
422098 |
5079289 |
Bmrk-66 |
R546-019 |
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13:49:10 Jul 07 '00 |
1723 |
295 |
422098 |
5079289 |
Bmrk-66 |
R546-020 |
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13:50:00 Jul 07 '00 |
1722 |
182 |
422106 |
5079281 |
Bmrk-66 |
R546-021 |
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13:50:40 Jul 07 '00 |
1723 |
177 |
422106 |
5079281 |
Now sitting next to Bmrk-66. Lots of frame grabs on the way in. Marker has reflective tape on it, and that helped spot it. |
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13:52:50 Jul 07 '00 |
1723 |
158 |
422104 |
5079280 |
13:53 - Start of pressure reading at Bmrk-66. |
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13:54:40 Jul 07 '00 |
1723 |
157 |
424463 |
5078992 |
pressure measurement at Bmrk-66 at end of dive |
R546-022 |
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14:13:12 Jul 07 '00 |
1723 |
158 |
422103 |
5079258 |
14:13 - End pressure measurement at Bmrk-66. |
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14:16:42 Jul 07 '00 |
1723 |
147 |
422101 |
5079259 |
McLane pump sample. Volume=? Pumping at 7 liters/minute. (S Pillow Flow at 45deg 52') |
R546-McLane-004 |
Tunnicliffe/ Metaxas |
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14:17:32 Jul 07 '00 |
1723 |
150 |
422098 |
5079332 |
ROPOS off the bottom, going back to the cage. End of dive R456. Embley videos off. |
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14:30:34 Jul 07 '00 |
1448 |
289 |
422102 |
5079341 |
ROPOS on deck at 1514 |
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14:30:34 Jul 07 '00 |
1448 |
289 |
422102 |
5079341 |
jellyfish layer (while ascending through water column) |
R546-023 |
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14:30:34 Jul 07 '00 |
1448 |
289 |
422102 |
5079341 |
more jellies (while ascending to surface) |
R546-024 |
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R546 Dive Summary: Deployed Bmrk-66 at fissure edge. Bmrk-66 pressure measurement. Samples: 2 ss. Imagenex (Lines 9-18)-Samples: Plankton net tow, McLane pump (both during Imagenex survey). |