|
UTC |
Z(m) |
Hdg |
UTM X |
UTM Y |
Comments - Dive R548 |
Samples |
Investigator |
SubSmps |
FrGrb# |
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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: Deploy benchmarks at caldera center near BPR, Magnesia, Mkr-33, and BagCity. Move osmo from Magnesia to Mkr-N41. Hook up NemoNet '99 camera to release mooring (Mkr-N41). Deploy MTR's, suction sample, and twg's Joystick, FeCity, BagCity. |
Bottom Time: JD191(7/9) 0836- JD192(7/10) 0255 |
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|
07:18:43 Jul 09 '00 |
0 |
221 |
424081 |
5086557 |
ROPOS in the water |
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|
08:31:23 Jul 09 '00 |
1480 |
272 |
424081 |
5086557 |
We are ready to rock and roll. |
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|
08:36:33 Jul 09 '00 |
1532 |
0 |
424081 |
5086557 |
Ropos on the bottom. We should be near the center of the caldera. |
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|
08:40:33 Jul 09 '00 |
1532 |
359 |
421747 |
5089515 |
Photo 1. We are looking for the BPR mooring, should be 50 m to the north. |
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|
08:40:33 Jul 09 '00 |
1532 |
359 |
421747 |
5089515 |
Bottom, near BPR mooring. |
R548-001 |
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|
08:42:13 Jul 09 '00 |
1530 |
1 |
421747 |
5089515 |
Traversing ropy sheet flow, some is jumbled. Flying over a few sea stars and ophiuroids. |
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|
08:48:25 Jul 09 '00 |
1535 |
9 |
421747 |
5089515 |
Brittle stars and small rattail. |
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|
08:48:25 Jul 09 '00 |
1535 |
9 |
421747 |
5089515 |
Ophiuroid and vent fish near BPR mooring. |
R548-002 |
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|
08:50:55 Jul 09 '00 |
1535 |
360 |
421747 |
5089515 |
Vent fish and ophiuroids at the middle of caldera. |
R548-003 |
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|
08:51:25 Jul 09 '00 |
1535 |
2 |
421747 |
5089515 |
Large gastropod on lava - looks like a white blob from the distance. Tried to get some close up video. |
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|
09:03:37 Jul 09 '00 |
1527 |
289 |
421747 |
5089515 |
BPR mooring. |
R548-004 |
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|
09:04:07 Jul 09 '00 |
1534 |
311 |
421747 |
5089515 |
BPR mooring. |
R548-005 |
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|
09:03:07 Jul 09 '00 |
1526 |
289 |
421747 |
5089515 |
At the BPR mooring. Found it by coming up in the water column 5 m and used the mesotech to release it. We were unable to use the acoustic release on the mooring to talk to it. Photo 2 of BPR. |
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|
09:06:57 Jul 09 '00 |
1534 |
328 |
421747 |
5089515 |
Still photos 3, 4 of BPR. |
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|
09:07:27 Jul 09 '00 |
1534 |
309 |
421747 |
5089515 |
Photo 5 of BPR on lobate flows. |
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|
09:07:47 Jul 09 '00 |
1535 |
300 |
421747 |
5089515 |
BPR mooring. |
R548-006 |
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|
09:09:49 Jul 09 '00 |
1535 |
337 |
421747 |
5089515 |
Benchmark-63 |
R548-007 |
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|
09:10:19 Jul 09 '00 |
1535 |
337 |
421747 |
5089515 |
DEPLOYING Bmrk-63. |
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|
09:16:19 Jul 09 '00 |
1535 |
1 |
421738 |
5089566 |
Photo #6 of Bmrk-63 |
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|
09:18:29 Jul 09 '00 |
1536 |
343 |
421738 |
5089566 |
Bmrk-63 in place. |
R548-008 |
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|
09:20:59 Jul 09 '00 |
1535 |
347 |
421738 |
5089566 |
Pressure measurement at Bmrk-63. |
R548-009 |
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|
09:26:21 Jul 09 '00 |
1536 |
347 |
421738 |
5089566 |
Bmrk-63 |
R548-010 |
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|
09:27:31 Jul 09 '00 |
1535 |
347 |
421738 |
5089566 |
Bmrk-63 |
R548-011 |
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|
09:20:49 Jul 09 '00 |
1535 |
347 |
421738 |
5089566 |
Taking pressure measurement at Bmrk-63. Start at 09:21 end at 9:46. |
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|
09:41:43 Jul 09 '00 |
1535 |
347 |
421738 |
5089566 |
Photo #7 of Bmrk-63. |
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|
09:46:13 Jul 09 '00 |
1536 |
336 |
421738 |
5089566 |
Bmrk-63. |
R548-012 |
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|
09:46:35 Jul 09 '00 |
1536 |
332 |
421738 |
5089566 |
Cage motor has been turned off for a good fix for benchmark location. |
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|
09:55:25 Jul 09 '00 |
1536 |
329 |
421718 |
5089568 |
Two transponder ROPOS fix for Bmrk-63 x=421717 y=5089568. The ONLY fix. |
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|
09:57:25 Jul 09 '00 |
1529 |
58 |
421718 |
5089568 |
Transit to Magnesia, going to take ~1hr. Bringing ROPOS to cage, going to "swim" in front of cage. Moving ship SE at 1 knot for 2.1 km. Video is off at 10:01. |
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|
11:18:27 Jul 09 '00 |
1471 |
116 |
422508 |
5089153 |
Seeing a plume in the water column about 200 m NW of Magnesia. ROPOS is up by the cage at 1472 m. |
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|
11:32:11 Jul 09 '00 |
1485 |
121 |
423655 |
5088579 |
Now over Magnesia and still seeing plume in the SIT camera 60 m off the bottom. |
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|
11:34:23 Jul 09 '00 |
1489 |
152 |
423666 |
5088550 |
Heading down to bottom at Magnesia vent. |
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|
11:37:11 Jul 09 '00 |
1523 |
142 |
423001 |
5089180 |
Video has been turned back on. |
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|
11:38:51 Jul 09 '00 |
1526 |
158 |
423663 |
5088549 |
Looking at a "city" of pillars. Looking for Magnesia marker. |
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|
11:43:33 Jul 09 '00 |
1525 |
257 |
423652 |
5088581 |
Have spotted Mkr-67 for Magnesia vent area. |
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|
11:48:23 Jul 09 '00 |
1527 |
53 |
423661 |
5088545 |
Attempting to deploy Bmrk-1 at Mkr-67. |
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|
11:54:23 Jul 09 '00 |
1527 |
183 |
423658 |
5088548 |
DEPLOYMENT of Bmrk-1. Going to take pressure measurement. |
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|
11:57:13 Jul 09 '00 |
1527 |
189 |
423659 |
5088548 |
Pressure measurement of Bmrk-1 at Magnesia. |
R548-013 |
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|
11:56:13 Jul 09 '00 |
1528 |
189 |
423661 |
5088544 |
Pressure recording beginning at 11:57. |
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|
12:00:13 Jul 09 '00 |
1527 |
189 |
423659 |
5088548 |
Photo #8 taken of pressure measurement. |
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|
12:18:15 Jul 09 '00 |
1528 |
188 |
423010 |
5089154 |
Finished with pressure measurement and now looking for OSMO and place to SS. |
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|
12:19:25 Jul 09 '00 |
1527 |
181 |
425637 |
5087836 |
Photos 9, 10, 11, 12 taken of Bmrk-1. |
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|
12:20:05 Jul 09 '00 |
1527 |
68 |
425637 |
5087836 |
Layout for Bmrk-1 at Magnesia with Mkr-in background. |
R548-014 |
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|
12:20:55 Jul 09 '00 |
1527 |
48 |
425637 |
5087836 |
Photo 13, 14, and 15 taken of osmo, which is east of marker. |
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|
12:28:45 Jul 09 '00 |
1531 |
147 |
423660 |
5088555 |
Preparing for FeO suction sample---Ian has created a small flurry of FeO. |
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|
12:29:25 Jul 09 '00 |
1531 |
145 |
422971 |
5089183 |
Start suction 12:28 for FeO - Suction ended 12:31. Appears very fluffy, looks like last years bacterial flock is now covered with FeO. (Rock chips subsmp). Magnesia Mkr-67 - x=423661 y=5088545. |
R548-SS-J1-0001 |
Fortin |
J Chadwick |
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|
12:33:15 Jul 09 '00 |
1531 |
146 |
422971 |
5089183 |
Beautiful lava pillar at Magnesia. |
R548-015 |
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|
12:35:05 Jul 09 '00 |
1531 |
144 |
422962 |
5089175 |
Now going to pick up osmosampler. |
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|
12:35:25 Jul 09 '00 |
1531 |
145 |
422962 |
5089175 |
Photo #13 taken. |
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|
12:36:37 Jul 09 '00 |
1528 |
222 |
422973 |
5089171 |
Bmrk-1 does not look flat. |
R548-016 |
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|
12:37:47 Jul 09 '00 |
1529 |
239 |
423664 |
5088553 |
While in transit to osmosampler, bmrk looked on a slant and as a result will reposition. |
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|
12:43:47 Jul 09 '00 |
1528 |
245 |
422976 |
5089169 |
Benchmark has been moved and now positioning pressure measuring device to take a reading. |
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|
12:48:37 Jul 09 '00 |
1528 |
241 |
423660 |
5088548 |
Pressure measurement of Bmrk-1 at new position Magnesia. |
R548-017 |
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|
12:45:37 Jul 09 '00 |
1528 |
240 |
423660 |
5088548 |
Start of pressure measurement at 12:46. End pressure measurement at 12:58 |
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|
12:58:47 Jul 09 '00 |
1527 |
247 |
422977 |
5089165 |
ROPOS was pulled off bmrk while taking pressure reading and the bmrk was jarred so must reposition bmrk again. |
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|
13:08:20 Jul 09 '00 |
1528 |
351 |
425665 |
5087756 |
3rd take of pressure measurement on Bmrk-1 at Magnesia. |
R548-018 |
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|
13:05:59 Jul 09 '00 |
1528 |
350 |
425665 |
5087756 |
Bmrk-1 has been repositioned and pressure measurement must be taken again...start time 13:07 end time 13:27 Photo 17 while taking measurement. Photos 18 and 19 taken after measurement. |
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|
13:29:40 Jul 09 '00 |
1526 |
316 |
425667 |
5087769 |
Final(?) position of Bmrk-1 at Magnesia |
R548-019 |
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|
13:34:32 Jul 09 '00 |
1531 |
325 |
423660 |
5088546 |
Have picked up osmosampler but it appears that some rocks have fallen on the tubing. |
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|
13:37:42 Jul 09 '00 |
1531 |
318 |
423660 |
5088546 |
Osmosampler has been picked up and moving it to Nascent. |
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|
13:42:52 Jul 09 '00 |
1528 |
48 |
423664 |
5088546 |
Photo 20 taken after picking up and securing the osmo sampler. Moving it over to Nascent, distance of 1187m away to SE (164 heading). Turned off Embley archive tapes. |
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|
14:47:26 Jul 09 '00 |
1477 |
210 |
423793 |
5087244 |
Interesting looking snot??? in transit to Nascent |
R548-020 |
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|
14:50:26 Jul 09 '00 |
1479 |
212 |
423941 |
5087524 |
Ship has arrived at Cammoor (NeMO'99 camera release mooring). |
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|
14:53:56 Jul 09 '00 |
1484 |
155 |
423941 |
5087524 |
ROPOS going to the bottom. |
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|
14:58:08 Jul 09 '00 |
1520 |
88 |
423996 |
5087467 |
On the bottom, headed to the east. |
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|
15:02:28 Jul 09 '00 |
1520 |
131 |
424015 |
5087456 |
MTR mooring cable has been mowed over by lava. |
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|
15:01:48 Jul 09 '00 |
1519 |
136 |
424015 |
5087456 |
Line in new flow. |
R548-021 |
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|
15:02:38 Jul 09 '00 |
1520 |
197 |
424015 |
5087456 |
Mooring line covered by new flow. |
R548-022 |
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|
15:03:58 Jul 09 '00 |
1520 |
174 |
424015 |
5087456 |
MTR mooring line in the flow. |
R548-023 |
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|
15:06:08 Jul 09 '00 |
1520 |
135 |
423960 |
5087332 |
Good fix: x=423960 y=5087332. (Mooring line overrun by lava) |
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|
15:09:18 Jul 09 '00 |
1517 |
88 |
424046 |
5087439 |
Found camera mooring. |
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|
15:10:08 Jul 09 '00 |
1518 |
99 |
424049 |
5087421 |
Crab on Nemonet'99 camera mooring. |
R548-024 |
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|
15:13:08 Jul 09 '00 |
1515 |
80 |
423996 |
5087329 |
Headed to the Nemonet'99 camera site (near Nascent). |
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|
15:18:48 Jul 09 '00 |
1518 |
310 |
423994 |
5087472 |
Moving the ship 60m to the NW. |
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|
15:29:50 Jul 09 '00 |
1519 |
327 |
423846 |
5087237 |
Still looking for the Nemonet'99 camera (near Nascent - Mkr-N41) |
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|
15:31:10 Jul 09 '00 |
1519 |
58 |
423846 |
5087237 |
Mkr-N41 spotted in the distance. |
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|
15:31:50 Jul 09 '00 |
1518 |
49 |
423897 |
5087412 |
Photo 21 taken (counter is 2 photos behind). |
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|
15:32:20 Jul 09 '00 |
1521 |
101 |
423957 |
5087492 |
Photo 22 taken. |
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|
15:32:40 Jul 09 '00 |
1521 |
98 |
423957 |
5087492 |
Set down OSMO (the one picked up at Magnesia) at Mkr-N41. Will get it at a later time. |
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|
15:34:10 Jul 09 '00 |
1521 |
100 |
423911 |
5087406 |
Looking for a good place to deploy some MTRs. Found some shimmery flow. |
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|
15:36:20 Jul 09 '00 |
1520 |
166 |
423911 |
5087406 |
3 meters south of Mkr-N41. Getting ready to deploy MTR_3211. |
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|
15:37:50 Jul 09 '00 |
1520 |
167 |
423895 |
5087405 |
DEPLOYED MTR_3211 in a clump of tubeworms and limpets (shimmery flow). |
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|
15:39:10 Jul 09 '00 |
1520 |
156 |
423901 |
5087412 |
MTR positioned at Mkr-N41. |
R548-025 |
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|
15:42:50 Jul 09 '00 |
1520 |
159 |
423901 |
5087412 |
Getting ready to deploy MTR_3309. |
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|
15:43:40 Jul 09 '00 |
1520 |
161 |
423901 |
5087412 |
Another MTR at Mkr-N41, buried in limpets, palm worms. |
R548-026 |
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|
15:43:40 Jul 09 '00 |
1520 |
161 |
423901 |
5087412 |
DEPLOYED MTR_3309 in another clump of tubeworms and limpets (shimmery flow). About 5 m south of N41. Near Nemonet99 camera, so it's closer to Mkr-M. Photo 23 taken. |
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|
15:45:20 Jul 09 '00 |
1519 |
205 |
423901 |
5087412 |
Photo 24 taken. |
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|
15:45:30 Jul 09 '00 |
1519 |
218 |
423901 |
5087412 |
Photo 25 taken. |
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|
15:45:40 Jul 09 '00 |
1517 |
221 |
423901 |
5087412 |
Nemonet'99 camera sitting on the bottom before being transported to its release mooring. |
R548-027 |
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|
15:46:10 Jul 09 '00 |
1518 |
215 |
423901 |
5087412 |
Photo 27, 28 taken. |
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|
15:47:10 Jul 09 '00 |
1519 |
312 |
423967 |
5087490 |
Photo 29, 30, and 31 taken of Nemonet '99 camera. |
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|
15:46:30 Jul 09 '00 |
1517 |
232 |
423967 |
5087490 |
Fouling on the frame of Nemonet'99 camera. |
R548-028 |
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|
15:46:50 Jul 09 '00 |
1519 |
267 |
423967 |
5087490 |
Fouling on Nemonet'99 lens. |
R548-029 |
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|
15:49:20 Jul 09 '00 |
1520 |
356 |
423967 |
5087490 |
Photo 32 taken. Nemonet'99 camera is covered in gunk. |
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|
15:52:52 Jul 09 '00 |
1519 |
11 |
423967 |
5087490 |
Highlights turned on. |
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|
15:54:42 Jul 09 '00 |
1516 |
222 |
423906 |
5087377 |
ROPOS is grabbing the camera by its aluminum frame. |
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|
15:56:52 Jul 09 '00 |
1520 |
229 |
423909 |
5087397 |
Headed back to the camera recovery mooring. 200m away, bearing of 114. |
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|
15:59:42 Jul 09 '00 |
1519 |
120 |
423907 |
5087384 |
Highlights turned off. |
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|
16:04:42 Jul 09 '00 |
1520 |
148 |
423899 |
5087369 |
ROPOS is getting a better grip on the camera's frame. |
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|
16:09:22 Jul 09 '00 |
1518 |
114 |
423899 |
5087369 |
Moving the ship back to Cammor (camera mooring). |
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|
16:19:12 Jul 09 '00 |
1519 |
90 |
424043 |
5087438 |
Still headed to the camera mooring. |
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|
16:23:24 Jul 09 '00 |
1518 |
134 |
423988 |
5087341 |
Found it! Photo 33 taken of Nemonet'99 camera next to its recovery mooring. |
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|
16:23:54 Jul 09 '00 |
1515 |
143 |
424003 |
5087340 |
Highlights on. |
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|
16:25:24 Jul 09 '00 |
1518 |
121 |
423997 |
5087344 |
Nemonet'99 camera and camera mooring position: x=424003, y=5087340. |
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|
16:26:14 Jul 09 '00 |
1518 |
125 |
423995 |
5087346 |
Photo 34 and 35 taken. |
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|
16:25:44 Jul 09 '00 |
1518 |
129 |
423995 |
5087346 |
Crab on Nemonet'99 camera mooring. |
R548-030 |
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|
16:27:54 Jul 09 '00 |
1518 |
41 |
423995 |
5087346 |
Photo 36 taken. |
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|
16:31:34 Jul 09 '00 |
1521 |
150 |
424008 |
5087330 |
Photo 37 taken. |
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|
16:32:54 Jul 09 '00 |
1519 |
344 |
424008 |
5087330 |
Photo 38 taken of Nemonet'99 camera. |
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|
16:33:14 Jul 09 '00 |
1519 |
298 |
424008 |
5087330 |
Hooking up the Nemonet'99 camera to the recovery mooring. |
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|
16:32:14 Jul 09 '00 |
1518 |
46 |
424008 |
5087330 |
Nemonet'99 camera on the release mooring. |
R548-031 |
|||
|
16:32:44 Jul 09 '00 |
1519 |
19 |
424008 |
5087330 |
Close up of Nemonet'99 camera on release mooring. |
R548-032 |
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|
16:35:54 Jul 09 '00 |
1520 |
332 |
424004 |
5087323 |
Photo 39 taken. |
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|
16:36:54 Jul 09 '00 |
1521 |
339 |
424004 |
5087323 |
Hooked up camera recovery mooring to the camera. Photo 40 taken. |
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|
16:36:54 Jul 09 '00 |
1521 |
339 |
424004 |
5087323 |
Hooking release mooring line onto the Nemonet'99 camera. |
R548-033 |
|||
|
16:38:04 Jul 09 '00 |
1521 |
337 |
424004 |
5087323 |
Photo 41,42 taken of the camera. |
||||
|
16:40:04 Jul 09 '00 |
1517 |
149 |
424004 |
5087323 |
Photo 43, 44 taken. |
||||
|
16:39:04 Jul 09 '00 |
1519 |
72 |
424004 |
5087323 |
Nemonet'99 on release mooring. |
R548-034 |
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|
16:40:04 Jul 09 '00 |
1517 |
149 |
424004 |
5087323 |
Nemonet'99 hooked up to release mooring. |
R548-035 |
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|
16:40:54 Jul 09 '00 |
1517 |
110 |
424004 |
5087323 |
Headed to Mkr-33 now. Going back to the cage first, to transit in water column. Highlights off 16:41. |
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|
16:42:54 Jul 09 '00 |
1489 |
66 |
422792 |
5087277 |
Ship moving to Mkr-33: Range of 276, bearing of 213. |
||||
|
16:45:24 Jul 09 '00 |
1488 |
169 |
423963 |
5087235 |
All tapes off. |
||||
|
17:16:50 Jul 09 '00 |
1488 |
283 |
423823 |
5087041 |
Taking a look at the cage; going down to the bottom now. We're about 40 meters SW of Mkr-33. |
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|
17:19:40 Jul 09 '00 |
1521 |
311 |
423834 |
5087060 |
At the bottom now. |
||||
|
17:23:00 Jul 09 '00 |
1488 |
45 |
423813 |
5087082 |
Went back up to the cage. 20 m SW of Mkr-33. |
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|
17:25:50 Jul 09 '00 |
1489 |
288 |
423807 |
5087058 |
Two benchmarks (tied together) tossed out of the cage, 25 M SW of Mkr-33. Tapes on again. |
||||
|
17:31:10 Jul 09 '00 |
1524 |
55 |
423813 |
5087056 |
ROPOS at the bottom, looking at the benchmarks. |
||||
|
17:32:00 Jul 09 '00 |
1524 |
54 |
423813 |
5087053 |
Photo 45 taken of benchmarks. |
||||
|
17:32:20 Jul 09 '00 |
1524 |
53 |
423813 |
5087053 |
Picked up the two benchmarks. |
||||
|
17:33:30 Jul 09 '00 |
1520 |
63 |
423819 |
5087058 |
Headed east to get closer to Mkr-33, benchmarks in hand. |
||||
|
17:35:10 Jul 09 '00 |
1522 |
90 |
423824 |
5087051 |
Larval traps and Mkr-33 in view! |
||||
|
17:37:00 Jul 09 '00 |
1523 |
60 |
423830 |
5087059 |
Put the benchmarks down, separating the two benchmarks. |
||||
|
17:39:40 Jul 09 '00 |
1523 |
51 |
423831 |
5087057 |
Turned Bmrk-4 right side up. |
||||
|
17:40:00 Jul 09 '00 |
1523 |
51 |
423831 |
5087057 |
Turned Bmrk-5 right side up. |
||||
|
17:44:12 Jul 09 '00 |
1523 |
68 |
423831 |
5087058 |
Picked up /bmrk-4 in left hand, Bmrk-5 in right hand, going around to look for a place to put one where there is no flow. |
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|
17:46:32 Jul 09 '00 |
1523 |
49 |
423835 |
5087106 |
Photo 46 taken. |
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|
17:46:52 Jul 09 '00 |
1523 |
45 |
423827 |
5087063 |
Bmrk-5 DEPLOYED at Mkr-33 |
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|
17:54:02 Jul 09 '00 |
1523 |
44 |
423836 |
5087107 |
Waiting for the GPS to settle down before we start pressure measurement. |
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|
17:55:02 Jul 09 '00 |
1523 |
44 |
423825 |
5087066 |
Tapes changed at 17:52 |
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|
17:56:02 Jul 09 '00 |
1523 |
48 |
423829 |
5087066 |
Getting ready to start the pressure measurement. |
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|
17:58:02 Jul 09 '00 |
1523 |
44 |
423841 |
5087090 |
Placing pressure sensor on Bmrk-5 |
||||
|
17:59:12 Jul 09 '00 |
1523 |
44 |
423839 |
5087110 |
Started pressure measurement. |
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|
18:00:22 Jul 09 '00 |
1523 |
44 |
423838 |
5087109 |
Benchmark 5 position: x=423838 y=5087111 z=1523. 15 m NW of Mkr-33 at a bearing of 306. |
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|
18:00:32 Jul 09 '00 |
1523 |
45 |
423838 |
5087109 |
Pressure measurement at Bmrk-5 at Mkr-33. |
R548-036 |
|||
|
18:20:24 Jul 09 '00 |
1523 |
44 |
423839 |
5087108 |
End of pressure reading. |
||||
|
18:23:04 Jul 09 '00 |
1523 |
64 |
424547 |
5087574 |
Putting pressures sensor back. |
||||
|
18:24:54 Jul 09 '00 |
1523 |
64 |
423816 |
5087114 |
Coming off the bottom, headed up to the cage. Benchmark 4 in hand. Tapes off. |
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|
18:28:44 Jul 09 '00 |
1488 |
77 |
423819 |
5087059 |
Ship moving from Mkr-33 to BagCity at one knot. 2 km away, at a bearing of 195. ROPOS transiting in water column. |
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|
20:10:02 Jul 09 '00 |
1522 |
12 |
423465 |
5085372 |
Arrived on bottom at BagCity. Starting archive tapes, Juniper and Tunnicliffe. |
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|
20:13:02 Jul 09 '00 |
1532 |
14 |
422999 |
5084529 |
Highlights turned on. |
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