04/16/2012,00:52:12,okeanosexplorer,This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 1950 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0800. The water depth at our position is approximately 1100m. Our present heading is 180° at a position of 28° 22'N, 088° 59'W. 04/16/2012,02:09:46,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 2105 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0800. The water depth at our position is approximately 1000m. Our present heading is 2° at a position of 28° 23'N, 089° 02'W. 04/16/2012,03:26:11,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 2225 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0800. The water depth at our position is approximately 600m. Our present heading is 2° at a position of 28° 36'N, 089° 01'W. 04/16/2012,04:42:00,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 2340 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0900. The water depth at our position is approximately 600m. Our present heading is 186° at a position of 28° 37'N, 089° 03'W. 04/16/2012,05:55:21,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 0055 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0900. The water depth at our position is approximately 700m. Our present heading is 188° at a position of 28° 27'N, 089° 04'W. 04/16/2012,07:05:18,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 0205 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0900. The water depth at our position is approximately 1000m. Our present heading is 180° at a position of 28° 18'N, 089° 04'W. 04/16/2012,09:22:16,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 0415 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0900. The water depth at our position is approximately 1500m. Our present heading is 89° at a position of 28° 17'N, 089° 46'W. 04/16/2012,10:21:28,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Rick Nadeau speaking. The local EX time is 0520 hours. Currently, the ROV is on deck and we are conducting multibeam mapping opperations in the Gulf of Mexico.  The ROV is scheduled to dive at 0930. The water depth at our position is approximately 1500m. Our present heading is 350° at a position of 28° 24'N, 089° 45'W. 04/16/2012,14:10:39,kelleyelliott,This is a live update from the NOAA Ship Okeanos Explorer. The local EX time is 0910 hours. The water depth at our position is approximately 1420m. Our present heading is 152° at a position of 28° 39.22'N, 088° 27.64'W. Today's ROV dive has been delayed. Currently, the ROV is on deck and we are conducting multibeam mapping operations en route to the Pascagoula Dome. If the weather improves enough to put the vehicle in the water, we will dive at Pascagoula Dome this afternoon. Thank you. 04/16/2012,16:10:27,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Adam Skarke speaking. The local EX time is 1100 hours. Currently, the ROV is on deck and we are conducting multibeam mapping operations en route o the Pascagoula Dome. If weather conditions improve enough to put the vehicle in the water, we will dive at Pascagoula Dome this afternoon. The water depth at our position is approximately 1300m. Our present heading is 40° at a position of 28° 46'N, 088° 14'W. 04/16/2012,17:02:59,johnreed,Hi Kelley, 04/16/2012,17:03:08,johnreed,Is the dive off for today? 04/16/2012,17:04:01,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Adam Skarke speaking. The local EX time is 1200 hours. Currently, the ROV is on deck and we are conducting multibeam mapping operations en route to the Pascagoula Dome. If weather conditions improve enough to put the vehicle in the water, we will dive at Pascagoula Dome this afternoon. The water depth at our position is approximately 1300m. Our present heading is 40° at a position of 28° 54'N, 088° 07'W. 04/16/2012,17:07:22,okeanosexplorer, John, we will be assessing weather conditions at Pascagoula Dome within the hour and making a decision on dive operations for the day. 04/16/2012,17:50:30,tomweber,seep in the EM302 data 04/16/2012,17:52:34,tomweber,another 04/16/2012,19:06:06,okeanosexplorer, This is a live update from the NOAA Ship Okeanos Explorer. This is Adam Skarke speaking. The local EX time is 1400 hours. Currently, the ship is holding station at the Pascagoula Dome and we are assessing conditions for a potential dive. The water depth at our position is approximately 1200m. Our present heading is 144° at a position of 28° 58'N, 088° 02'W. 04/16/2012,19:19:02,Catalina Martinez,EX - Please let us know how long this dive will be - if it occurs. We need to manage our shore team at the ISC and automate the recording. Thanks. 04/16/2012,19:47:57,kelleyelliott,I would guess 4-5 hours. 04/16/2012,19:48:25,kelleyelliott,Will confirm shortly - an assessment whether to dive is currently being made 04/16/2012,19:57:19,kelleyelliott,We will be deploying to dive today - the decision has been made. 04/16/2012,20:01:33,Catalina Martinez,Thanks Kelley. Any additional info on timing of the dive would be appreciated at the ISC. 04/16/2012,20:02:29,kelleyelliott,This is a live update from the NOAA Ship Okeanos Explorer. This is Kelley Elliott speaking. The local EX time is 1500 hours. The ship is currently on station at the Pascagoula Dome and preparing to deploy the ROV. The water depth at our position is approximately 1370m. Our present heading is 130° at a position of 28° 58.84'N, 088° 01.89'W. 04/16/2012,20:11:38,kelleyelliott,Correction, our current depth is approxiamtely 1,140m 04/16/2012,20:21:54,tomweber,possible organism caught in bucket? 04/16/2012,20:28:29,Jamie Austin,This is the Okeanos Explorer. We are in the water, headed down to an active bubble seep on the southern flank of the Pascagoula Dome. This seep, associated with an extensive mussel bed, was identified during Leg 2. The ROV is equipped with a modified gas collection bucket. We will repeat the experiment conducted during during Dive 03 at the Biloxi Dome - site B. 04/16/2012,20:28:46,Jamie Austin,Vehicles passing 300 m, en route to a depth of ~1140 m. 04/16/2012,20:30:57,robertcarney,LSU watching and listening for a while 04/16/2012,20:32:41,Jamie Austin,Vehicles passing 400 m. 04/16/2012,20:36:38,Jamie Austin,Vehicles passing 500 m. 04/16/2012,20:40:43,Jamie Austin,Vehicles passing 600 m. 04/16/2012,20:44:14,tomweber,Good afternoon. when you get a chance, we'd love to see the real time data feed via IM. thanks! 04/16/2012,20:44:46,Jamie Austin,Vehicles passing 700 m. 04/16/2012,20:47:58,Erin Becker,15 min until bottom 04/16/2012,20:48:44,Jamie Austin, Vehicles passing 800 m. 04/16/2012,20:52:46,Jamie Austin,Vehicles passing 900 m. 04/16/2012,20:56:31,Jamie Austin,Vehicles passing 1000 m. 04/16/2012,20:58:37,Erin Becker,Should have the nav now on realtime data 04/16/2012,20:59:15,tomweber,yes. I see EX position too - thanks to Webb 04/16/2012,21:00:39,Jamie Austin,Vehicles passing 1100 m. 04/16/2012,21:01:01,Jamie Austin,Little Herc can see the seafloor. 04/16/2012,21:01:44,Jamie Austin,Mussel shells on the seafloor. 04/16/2012,21:02:23,Erin Becker,pretty expansive field of dead mussel shells and some carbonates 04/16/2012,21:02:37,Jamie Austin,Water depth - Little Herc - 1115 m. 04/16/2012,21:03:43,Jamie Austin,Stabilizing the vehicles above the seafloor, before heading to the seep site, estimated to be 30-4 m to the SW. 04/16/2012,21:04:07,Jamie Austin,Correction - 30 to 40 m to the SW. 04/16/2012,21:06:06,Jamie Austin,Heading to the seep now. Ship move to the SE. Seep is to the SE, not the SW. 04/16/2012,21:11:49,Jamie Austin,Multiple targets on the Little Herc sector scanning sonar. 04/16/2012,21:12:07,robertcarney,Seep mussel trivia...in Science publcation Jim Childress found the meat to be sweet. 04/16/2012,21:12:08,Jamie Austin,Many bubbles escaping the seafloor. 04/16/2012,21:12:39,tomweber,are you sure these are bubbles right here? 04/16/2012,21:12:55,robertcarney,few live mus 04/16/2012,21:14:20,robertcarney,gas cataegis-type on mus 04/16/2012,21:14:30,robertcarney,sqa 04/16/2012,21:15:02,tomweber,bubbles escaping from seabed 04/16/2012,21:16:32,Erin Becker,Snails and a few live mussels 04/16/2012,21:16:37,Erin Becker,sqa 04/16/2012,21:18:02,Jamie Austin,Disseminated bubbles. We are trying to avoid these streams, en route to finding the higher volume escape of bubbles previously identified on Leg 2. 04/16/2012,21:18:25,robertcarney,Gas cluster on top of mus...mating? 04/16/2012,21:19:16,robertcarney,mus can't use gas...need methane in solution 04/16/2012,21:21:23,robertcarney,methane blowing through as gas bubbles would not be in sed long enough to cause sulfide geneartion 04/16/2012,21:21:57,robertcarney,chitins 04/16/2012,21:23:18,tomweber,very similar looking site to seep observed during EX1202L2 20120406T192722Z 04/16/2012,21:25:23,Erin Becker,massive carbonates 04/16/2012,21:25:52,Erin Becker,live mussels 04/16/2012,21:26:08,Erin Becker,just passed over a larger patch of live mussels 04/16/2012,21:26:10,robertcarney,tubeworms 04/16/2012,21:27:45,robertcarney,gas very numerous 04/16/2012,21:29:31,Jamie Austin,carbonate hardground outcrops 04/16/2012,21:29:33,Erin Becker,tubeworms 04/16/2012,21:30:15,robertcarney,site marked by Tim and Pen was ~1-2m off the edge of exposed carbonate 04/16/2012,21:31:16,robertcarney,same aggregation of gas 04/16/2012,21:36:02,Erin Becker,was it a large carbonate, like the one we are near now? 04/16/2012,21:37:43,robertcarney,assuming that I'm thinking about the right dive, the rov was following a long rock/mussel margin, not an isolated rock. Live mussels were in a low mound off the rock. Market was dropped on top of the rock surface. 04/16/2012,21:38:10,tomweber,matches my memory - I recall a seam of live mussels that led to the seep 04/16/2012,21:38:27,robertcarney,rock ridge like to your rt 04/16/2012,21:38:34,robertcarney,follow it 04/16/2012,21:41:56,tomweber,looking at the rov track from last time. we spent a lot of time looking at a spot about 35 m to the west of our current position 04/16/2012,21:46:25,tomweber,actually, I just looked at a position corresponding to the time of the video 04/16/2012,21:46:42,tomweber,shows the seep 10 m to the southeast of where we are 04/16/2012,21:47:03,tomweber,-88.029775666667, 28.978348500000 04/16/2012,21:48:14,robertcarney,marker 04/16/2012,21:48:23,Jamie Austin,Marker in sight. 04/16/2012,21:48:37,robertcarney,marker not on plume...plume not that big 04/16/2012,21:49:57,tomweber,is the EK60 running? we'd like to record EK60 data during this operation if possible 04/16/2012,21:51:13,robertcarney,camera angle different now as well 04/16/2012,21:53:22,robertcarney,live mus to rt 04/16/2012,21:53:35,Jamie Austin,Ship move 20 m W. 04/16/2012,21:53:58,Jamie Austin,Starting to move Little Herc towards the marker. 04/16/2012,21:55:08,robertcarney,since marker is on top or rock expect mus and bubbles to be to rt ~ 1m off rock 04/16/2012,21:55:18,robertcarney,no correction left off rock 04/16/2012,21:55:33,robertcarney,or ahead 04/16/2012,21:56:24,robertcarney,look 1-2 m off the rock edge away from rock 04/16/2012,21:59:05,Jamie Austin,Over the marker. Bubbles at a bearing of 115 degrees, about 5 m away. 04/16/2012,22:00:47,Jamie Austin,Bubbles stream in sight. 04/16/2012,22:03:14,tomweber,nice zoom with lasers on bubble source 04/16/2012,22:04:00,tomweber,the mussels/lasers will act as a nice frame of reference for getting bubble size 04/16/2012,22:07:58,robertcarney,nus to lft with perisotrical bands is interesting 04/16/2012,22:11:25,Jamie Austin,We have shot several minutes of video of the seep with lasers on. 04/16/2012,22:11:49,Jamie Austin,Viewing the bucket, to check for hydrate formation prior to capture. 04/16/2012,22:12:10,tomweber,bucket appears to be empty 04/16/2012,22:17:25,tomweber,over seep 04/16/2012,22:18:14,Jamie Austin,Bucket capture in progress. 04/16/2012,22:18:36,robertcarney,notive bubbles that hit frame are still there...hydrate 04/16/2012,22:22:52,robertcarney,marker visible lft background 04/16/2012,22:25:00,Erin Becker,starting to leave bubble stream 04/16/2012,22:25:26,Erin Becker,7 min 52 seconds of collection 04/16/2012,22:25:32,tomweber,off bubbles. 7:52 duration 04/16/2012,22:25:56,robertcarney,temperature for the log? 04/16/2012,22:26:19,Erin Becker,Okeanos Explorer: 04/16/2012,Lat/Lon: 28.97804, -88.02983 04/16/2012,Heading: 0.017 04/16/2012, 04/16/2012,Little Hercules: 04/16/2012,Lat/Lon: 28.97847, -88.03012 04/16/2012,Depth: 1115.7m 04/16/2012,Altitude: 4.5m 04/16/2012,Heading: 246.6 04/16/2012,Temperature:  4.7204 04/16/2012, 04/16/2012,Seirios: 04/16/2012,Lat/Lon:28.97853, -88.03006 04/16/2012,Depth: 1101.1m 04/16/2012,Altitude: 19.0m 04/16/2012,Heading: 217.3 04/16/2012,Temperature:  4.75471 04/16/2012,22:26:36,Jamie Austin,Seven minutes 52 sec. Off the seep. Hydrate formation to about 20+ % on the right, to a bit more than 10% on the left. 04/16/2012,22:27:55,robertcarney,bubbles coming off frame bar to rt 04/16/2012,22:29:49,robertcarney,bottom back in sight 04/16/2012,22:30:03,Erin Becker,rising at 10m/min 04/16/2012,22:31:34,Erin Becker,bubbles escaping from the flare and going into the cylinder 04/16/2012,22:37:49,Erin Becker,ROV passing 1050 m, Temp 4.9 deg C 04/16/2012,22:40:35,tomweber,gas shifting in upper part of cylinder 04/16/2012,22:41:41,Erin Becker,ROV passing 1000 m, Temp 5.19 deg C 04/16/2012,22:46:44,Erin Becker,ROV passing 950 m, temp 5.38 degrees C 04/16/2012,22:52:08,Erin Becker,ROV passing 900 m, Temp 5.54 degrees C 04/16/2012,22:54:29,Erin Becker,It looks like some of the ice is melting and pooling at the front of the cylinder (closer to the camera) 04/16/2012,22:57:52,Erin Becker,ROV passing 850 m, temp 5.74 deg C 04/16/2012,22:59:33,tomweber,the base of the hydrate is extneded further down - similar to saturdays dive. 04/16/2012,23:01:17,robertcarney,nice to see gas law kicking in 04/16/2012,23:02:18,Jamie Austin,The vehicles are passing 800m. 04/16/2012,23:03:41,Erin Becker,Temp 6.01 deg C 04/16/2012,23:03:46,robertcarney,hard to see in top white too bright 04/16/2012,23:04:30,Jamie Austin,We are seeing potential gas targets in the sector scanning sonar of Seirios. Depth is less than 800 m. 04/16/2012,23:12:06,Jamie Austin,Vehicles are passing 700 m. Temp 6.59 degrees C. 04/16/2012,23:13:59,robertcarney,meniscus at gas/water does seem to have a hydrate skin from this camera angle 04/16/2012,23:18:45,robertcarney,most hydrate is now surrounded by gas which might insulate from colder walls of cylinder 04/16/2012,23:20:23,robertcarney,you are right..warmer may delay temp effects a bit. 04/16/2012,23:21:19,tomweber,bubble release from funnel 04/16/2012,23:21:43,tomweber,625 m, 7.2 degC 04/16/2012,23:21:54,robertcarney,skin on meniscus seems to be going...not as white 04/16/2012,23:23:46,Jamie Austin,Little Herc is passing 600 m. Temperature 7. 47 degrees C. 04/16/2012,23:26:18,kevinjerram,4.55 cm between gradations, I believe 04/16/2012,23:30:45,Jamie Austin,Left side of methane hydrate is eroding. Depth 520 m. Temperature 8.37 degrees C. 04/16/2012,23:32:26,Jamie Austin,Littel Herc is at 500 m. Temperature is 8.66 degrees C. 04/16/2012,23:32:43,Erin Becker,You can see from the pilot cam that there is a good separation between the bottom of the ice and the water/gas interface 04/16/2012,23:34:39,robertcarney,hydrate dripping...should be fresh water 04/16/2012,23:34:49,tomweber,cool! 04/16/2012,23:36:41,tomweber,hydrate broke 04/16/2012,23:39:08,tomweber,water droplets on side 04/16/2012,23:39:24,Jamie Austin,Ice plug falls. Boiling away in the surface of the water in the cylinder. Some still remains on the lid. 04/16/2012,23:41:15,Jamie Austin,Stopping Little Herc at a depth of 400 m. Temperature 10.34 degrees C. 04/16/2012,23:43:33,Jamie Austin,Coming up to 350 m. 04/16/2012,23:44:50,robertcarney,possibly better to paint inside of top cover black rather than white 04/16/2012,23:47:40,Jamie Austin,Little Herc stopped at 350 m. 04/16/2012,23:49:00,tomweber,zoom on gas/water interface 04/16/2012,23:51:31,Jamie Austin,Rising slowly again. Gas water interface was at ~45% at 350 m. 04/16/2012,23:52:54,robertcarney,lighting makes it trickly but cylinder walls are clean below line 3. If speckles are drops, none are adhering below that line....hydrate decomposition detritus! 04/16/2012,23:53:41,Erin Becker,Camera was just tilted back up a moment ago to try to get the same angle as before 04/16/2012,23:55:25,tomweber,is the 50% mark at the top or bottom of the yellow tape? 04/16/2012,23:55:46,Jamie Austin,Stopped Little Herc at 300 m. 04/16/2012,23:56:21,Erin Becker,Top of the yellow tape 04/16/2012,23:57:44,Jamie Austin,Gas-water interface at ~53% at 300 m. Beginning to rise again. 04/16/2012,23:58:55,robertcarney,Have to drop off....sniff the cylinder on deck and tell us if it smells of hydrocarbons Congratulation.