Collaborative Research

Back to work
by -- January 22nd, 2013

Hi, my name is Yajuan Lin.  After the storm, everything returns to normal.  For oceanographers working at sea, dealing with unexpected conditions is part of our life.  This reminds me that our knowledge about the sea is still so inadequate. Even though human beings now can send spaceships to Mars, we still don’t fully understand the ocean system on earth.  That’s why studying the ocean is exciting and full of challenges!

First CTD cast after the storm

I study cyanobacteria Prochlorococcus for my PhD thesis in the Johnson Lab.  Prochlorococcus are the most abundant photosynthetic organism on earth yet unknown to scientist until 1988.  I’m taking samples to learn how different environmental variables impact their activities in the ocean.

We learn more about Prochlorococcus through the combination of knowledge from different experts.  Our colleague scientists from UTK study the killers – virus infecting Pro, and the helpers – marine bacteria protecting Pro from hydrogen peroxide.

Our research collaborators from UTK

 

At 9am we deployed our first ARGO Float, a drifting robotic sensor.  It dives down to as deep as 2000 meters then rises up to the surface and reports back water column profile data (temperature, salinity and pressure) through satellite.  They are deployed worldwide by oceanographers and provide valuable information to many communities.

In the afternoon, Duke undergraduate researchers presented their work in progress for the first week.  Everyone did a great job and we’re excited to see more data as the cruise going.  The prize for the presentation is 50 muti-color LED lights!

Argo Float

 

Deploy Argo

Afternoon presentation

Afternoon presentation

Hanging up the prize

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