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The Land Deployment Team!

The ENAM Seismic Experiment - Fri, 09/26/2014 - 14:30
From L-R: Yanjun Hao, David Boyd, Dam Lan, Ana Corbalan, Christopher Novitsky, Pnina Miller, Jason Leiker, Kara Jones, Beatrice Magnani (front), James Farrel (back), Dan Lizarralde.It took us a while, but here we are, the team that deployed the land seismometers on Sept 12-15. The instruments are now continuously recording the Langseth shots and will continue recording for few more weeks. The East Carolina University in Greenville, NC graciously allowed us to use one of the research facilities on their West Campus (a place with a fascinating story - blog on that coming soon!) as the headquarter for operations. We will be back to the field at the end of October to pick up the instruments, download/save the data and demob.

Posted by Beatrice Magnani

The Night Watch in Action!

The ENAM Seismic Experiment - Fri, 09/26/2014 - 11:29
We've captured the process of recovering and deconstructing a Scripps OBS thanks to Harm's nifty GoPro camera attached to the crane. This OBS was a little tricky to hook, but otherwise it was a smooth recovery!


Time series of the recovery after the OBS has been attached to the crane. Photo Credit: Ernie Aaron.


See ya'll later,
Jenny Harding
R/V Endeavor

Aureococcus

Geopoetry - Fri, 09/26/2014 - 09:00

 

Aerial view of a brown tide caused by Aureococcus anophagefferens. Long Island. Photo by Chris Gobler.

Aerial view of a brown tide caused by Aureococcus anophagefferens. Photo by Chris Gobler.

 

On skin, it’s barely a freckle I’d make,

But baby, en masse, we turn seas opaque!

Come darkness, come famine, come poison or flood,

My kind can flourish in any old crud.

I may be a tiny and brainless brown cell,

But my tactics are brilliant; I’m doing quite well.

So, “higher” life-forms, with deep-furrowed brow,

I’ve made my move … what will you do now?

 

________________________________

Further reading (on what humans are doing now …):

Like Weeds of the Sea, ‘Brown Tide’ Algae Exploit Nutrient-Rich Coastlines, Earth Institute

De novo assembly of Aureococcus anophagefferens transcriptomes reveals diverse responses to the low nutrient and low light conditions present during blooms, Frischkorn et al., Frontiers in Microbiology

 

This is one in a series of poems written by Katherine Allen, a researcher in geochemistry and paleoclimate at the Lamont-Doherty Earth Observatory and the Institute of Marine and Coastal Sciences at Rutgers University.

What are we up to

The ENAM Seismic Experiment - Thu, 09/25/2014 - 15:09
September 25, 2014

        For those of you following at home, it might be a bit confusing on which ship is doing what and where. I've made a little cartoon timeline that will hopefully illuminate our progress so far.
       There are two ships currently in the Atlantic: the OBS deploying R/V Endeavor and the seismic shooting R/V Langseth. The R/V Endeavor has been putting OBS down and picking them back up again on lines 2, 3, and 4 while the R/V Langseth has shot seismic along line 2 and 3, and is going to head over to shoot on line 4 soon.


See you later,

Kate Volk aboard the R/V Endeavor

Fault Lines: Facts About Cracks in the Earth - LiveScience

Featured News - Thu, 09/25/2014 - 11:00
Lamont-Doherty seismologist Nicholas van der Elst describes the three types of faults that cause earthquakes.

Group photo time

The ENAM Seismic Experiment - Wed, 09/24/2014 - 12:30

September 24, 2014

Well we have finished deploying OBS on line four and are now transiting back to the beginning of line 3 to start picking OBS back up again. At this point, we've all fallen into our jobs and are working like a well oiled machine. Each shift was able to deploy around 9 or 10 OBS in 12 hours time, moving smoothly from one site to the next. To celebrate our progress so far, I've got some group photos to share.

The science party from left to right: Gary, Dylan, Afshin, Harm, Brandon, Pamela, Jenny, and Kate (Photo credit: Dave DuBois, edited by Gary Linkevich)
The WHOI and SIO OBS technicians from left to right: Ernie, Peter, Mark, and Dave (Photo credit: Gary Linkevich)




The whole science group (Photo credit: Ethan, edited by Gary Linkevich)

The science group in the WHOI van with the WHOI OBS (photo credit: Dave DuBois)See you later,

Kate Volk aboard the R/V Endeavor

Dinner Time

The ENAM Seismic Experiment - Tue, 09/23/2014 - 22:53


September 23, 2014


Good eats! We couldn’t do this cruise without our great Chief steward Mike. Mike keeps the morale up on the ship by preparing three fabulous meals a day, plus providing ample snacks and baked goods. I’ve especially enjoyed the coffee cake, macaroni and cheese and tomato soup, oh and pretty much every dessert he’s made. Mike is especially awesome at accommodating everyone on the ship and providing tons of variety for us. He includes meat dishes as well as vegetarian, whole wheat, and vegan options, all of them yummy!

The galley, Mike is preparing for dinner (Photo credit: Kate Volk)
Mike making dinner (Photo credit: Kate Volk)  Mike in the Galley (Photo credit: Kate Volk)
Dessert (Photo credit: Kate Volk)Kate, Gary, Kurt, and Dylan enjoying a meal (Photo credit: Kate Volk)
See you later, 
Kate Volk aboard the R/V Endeavor

Why These 15 Scientists Marched For Climate Change Action - Popular Science

Featured News - Tue, 09/23/2014 - 15:44
Features the IRI's Alessandra Giannini and Lamont's Allison Jacobel, Etienne Dunn-Sigouin, Robin Bell and Franziska Landes.

UPDATE: September 23rd

The ENAM Seismic Experiment - Tue, 09/23/2014 - 15:43

September 23rd, 20141641
The last few days have been a bit rough, with intermittent rain, winds at 15 – 30 kts, and 6 – 10 foot seas, but that didn’t delay our progress at all. When I woke up for watch late yesterday morning, the sun was shining, the seas were calm, we successfully completed recovery of the OBSs that we had deployed on Line 2, and we were in transit to the beginning of Line 4 to begin our redeployment. Now, over the past 26 hours, we have deployed OBSs along the entirety of Line 4 (22 instruments) and begun our transit to the south end of Line 3 to begin recovery of those instruments.
Until next time,Dylan Meyer aboard the R/V Endeavor

It’s Not Genghis Khan’s Mongolia - New York Times

Featured News - Tue, 09/23/2014 - 08:37
Lamont-Doherty tree-ring scientist Nicole Davi comments on how climate extremes are impacting Monglian herders.

Afshin's Birthday

The ENAM Seismic Experiment - Mon, 09/22/2014 - 17:18

September 22, 2014
Happy birthday Afshin! A member of the science team, Afshin from Oklahoma State University, celebrated a birthday on the ship. Our wonderful cook Mike baked a cake especially for him. Yum! 

Afshin (Photo credit: Kate Volk)Mike's cake for Afshin (Photo credit: Kate Volk)



Afshin and Mike (Photo credit: Kate Volk)Afshin with the birthday hat (photo credit: Dave DuBois)

Science Shows Up in Force at People's Climate March - Scientific American

Featured News - Mon, 09/22/2014 - 08:37
Lamont climate scientist Peter deMenocal comments on his reasons for joining the People's Climate March.

sargassum seaweed

The ENAM Seismic Experiment - Sat, 09/20/2014 - 11:11
September 20, 2014


It’s been a long time since I’ve seen sargassum seaweed.  The brilliant blue Atlantic Ocean has such a different feel, smell, and color than that of the Pacific.  Sailing over the dark blue long-period waves and working among humpbacks, kelp patties, and Japanese tsunami debris is my typical science cruise.  It’s good to be back east and to be reminded of the profound, yet subtle differences of these two great oceans. -Ernie Aaron

Sargassum seaweed (Photo credit: Ernie Aaron)


OBS Recovery

The ENAM Seismic Experiment - Fri, 09/19/2014 - 21:41

September 19, 2014
At about 01:42 the night shift had successfully started a burn on a WHOI OBS located at the start of line 2. A burn means that the science crew was able to communicate with the device and send a signal telling it to burn through the wire holding the buoyant OBS to a metal weight attach to its bottom. The water depth in this area is around 5200 m, and it took about an hour and half for the OBS to rise to the surface once detached from the weight. The team located the OBS using a radio signal and visual contact (light and flag). With the OBS spotted, the Chief mate Shanna was able to maneuver the boat alongside the OBS, so that the science crew could snag it out of the water and bring it aboard. Since then we have recovered six OBS from both the WHOI and Scripps science crew. The seas have picked up a bit, but we are continuing to move westward along line 2 collecting the devices. From here we will prepare the OBS for redeployment along line 4.
See you later,
Kate Volk aboard the R/V Endeavor

The last OBS of line 2

The ENAM Seismic Experiment - Fri, 09/19/2014 - 21:40
September 19, 2014

On September 18, we finished deploying the last OBS of line 2. To honor the last deployment, we did some decorating of the side float of the Scripps OBS.
Mark putting the data logger into the Scripps OBS (Photo credit: Ernie Aaron)
Dylan and Kate attaching the strobe light and flag to the Scripps OBS (Photo credit: Ernie Aaron)
See you later,

Kate Volk aboard the R/V Endeavor

The People's March Against Climate Change - Science Friday

Featured News - Fri, 09/19/2014 - 18:25
Lamont climate scientist Peter deMenocal and activist Bill McKibben detail their reasons for marching on Sept. 21.

Students Kill Invasive Phrag - National Geographic

Featured News - Fri, 09/19/2014 - 11:00
National Geographic follows Lamont researcher Bob Newton and his high school interns into Piermont Marsh where experiments are looking at how to roll back invasive phragmites without chemicals.

The ships meet

The ENAM Seismic Experiment - Thu, 09/18/2014 - 21:49
September 18, 2014

The R/V Endeavor crossed paths with the R/V Langseth this afternoon around 16:45. The Langseth was shooting line 2 while the R/V Endeavor was heading back to the start of line 2 to begin recovery. Here's a picture of the Langseth aboard the Endeavor.

The R/V Langseth taken aboard the R/V Endeavor (Photo Credit: Gary Linkevich)
See you Later,

Kate Volk Aboard the R/V Endeavor

The Night Crew

The ENAM Seismic Experiment - Thu, 09/18/2014 - 21:06

September 18, 2014


No breaks from science! The Endeavor runs 24/7. When we are doing a line, we launch an OBS about every hour and a half from the ship. Here are some pictures on the night crew hard at work.
Pamela, Afshin, and Ernie assembling the Scripps OBS (Photo credit: Gary Linevich)Pamela, Afshin, Ernie, and Jenny assembling the Scripps OBS (Photo credit: Gary Linevich)Pamela and Jenny admiring their work (Photo credit: Gary Linkevich)Ernie and Afshin hooking up the OBS (photo credit: Gary Linkevich)Charlie operating the crane (Photo credit: Gary Linkevich)
Launching the OBS (Photo credit: Gary Linkevich)



See you Later, 
Kate Volk Aboard the R/V Endeavor








Ships crossing in broad daylight...

The ENAM Seismic Experiment - Thu, 09/18/2014 - 20:41
We passed the R/V Endeavor today as she steamed towards the southern end of this profile, where she will begin recovering OBS after the Langseth has passed over them, and the OBS have had a chance to record sound waves that turned deep below Earth's surface.  The Endeavor kept her distance to avoid disturbing all of the seismic gear that we are towing behind the Langseth!

Donna Shillington aboard the R/V Langseth
The R/V Endeavor on the horizon...
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