Field Work

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2015 – 2016 Cruises in the North Atlantic off Cape Lookout (NC)

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WHOI mini Tow Cam during 2016 cruise

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Free deep-sea lander recovered after deployment at 3000 m in the Gulf Stream during 2016 cruise

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Eryn Eitel selecting deep-sea sediments recovered with WHOI’s MC-800 multi corer

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Ben Fields and Keaton Belli deploying the shallow sediment corer

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Ben Fields extracting pore waters under N2-atmosphere during the 2016 cruise

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Close up of benthic chamber syringe sampler after deployment at 3000 m during the 2016 cruise

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Olivia Studebaker selecting a sediment from WHOI’s MC-800 for pore water extractions and analyses during the 2016 cruise

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Keaton Belli, an expert in the extraction of pore waters under N2-atmosphere for onboard analyses

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Shannon Owings measuring depth profiles of main redox species in the sediment cores (bottom right) using voltammetric microelectrodes during the 2016 cruise

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Benthic lander tenant is not happy to leave the seafloor during 2016 cruise.

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WHOI MC-800 multicorer recovered with deep-sea sediment cores

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Deployment of free deep-sea lander during 2016 cruise. From left two right: Zachary Tait (Marine Tech) and the lander crew: Ben Fields, Joel Craig, and Martial Taillefert.

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Recovery of continental shelf lander during the 2016 cruise

 

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Sampling deep sea sediment cores (Eryn Eitel)

 

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Autonomous benthic lander for flux and microprofile measurements in shelf sediments

 

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Not always cooperative weather…

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The 2015 lander crew (from left: Yi Sun, Martial Taillefert, Joel Craig)

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Everything has to be done under N2 atmosphere (Shannon Owings in action)

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Our jack of all trades (Ben Fields)

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Depth profiles of N2O and NO (Amanda Cavazos) and calibration of our in situ HPLC (Jordon Beckler)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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The MC-800 deep sea multi-corer being deployed

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The free deep sea benthic lander during deployment (flux and microprofile measurements)

 

 

 

 

 

 

 

September 2015 Cruise in the Mediterranean Sea (Rhone River delta and shelf)

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Deep sea lander retrofitted for shallow work (< 100 m)

 

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AIS equipment (ISEA IV Electrochemical Analyzer on top, Microcontroller on bottom, and SUBMAN-1 Micromanipulator in the background)

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Benthic chamber samples after lander recovery: Each syringe represents a time point (right syringe contains leftover of the chemical tracer injected to trace transport across the sediment-water interface)

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In situ voltammetric microelectrodes on micromanipulator waiting to be deployed

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Non-invasive ex situ microprofile measurements with voltammetric microelectrodes

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Eryn Eitel waiting to hear if we deploy the lander

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The Unisense in situ microprofiler of Christophe Rabouille (CEA-CNRS), our french colleague