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Tag: Amy@sea

Fieldwork Feasibilities

Posted on June 3, 2010June 2, 2010 By Bluegrass Blue Crab
Uncategorized

readying the CTD for water collection and profile measurements

Two weeks at sea is all some oceanographers get to do all of their fieldwork for the year.  Two weeks, give or take a grace day, including whatever Mother Nature has to throw at the ship. Granted, it’s work 24 hours a day, likely running several experiments at a time. But compared to some brands of science, two weeks is barely enough to say you know what system you’re working in, let alone describe ecological processes at work. To me, someone who employs anthropological methods just as often as ecological ones, anything less than a year doesn’t count as fieldwork. I’m not judging; it’s just a difference in philosophy and feasibility. After participating in one of these two week cruises, I am no less in awe that our understanding of the ocean comes from such a philosophy. Achieving solid results requires such a carefully orchestrated dance in order to work, I’m shocked that we got as much out of the cruise as we did.

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Second to last day of experiments

Posted on May 31, 2010 By Bluegrass Blue Crab
Science

At this point we’re running on autopilot a bit.  As one of the Georgia students pointed out earlier today, we’ve become incredibly efficient at the protocols, just in time to start heading home tomorrow.

People have also had time to start analyzing their data from the first round of experiments.  Interestingly, the phytoplankton community has changed significantly in our little patch of ocean over just the short time we’ve been here.  Brian commented “I always assume, incorrectly, that the system will be static throughout the cruise. But it’s not, it’s surprisingly dynamic every year”.

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Second Friday at Sea

Posted on May 28, 2010May 29, 2010 By Bluegrass Blue Crab 1 Comment on Second Friday at Sea
Science

the go-flow bouy

My day began with a balancing contest on the stern deck – who could stand on one foot the longest? It was an official welcoming to the world of those with sea legs. The rest of the day blended in with yesterday, when we ran our second diel experiment – nothing new there from the science end.

We pulled up our incubation/grazing experiment to look at the effect of grazers.  We had dropped 96 bottles, each a different manipulated community, overboard.  Turns out something got hungry and took a bite of the net bag that was holding the bottles underwater. We’d like to think shark, but that’s entirely our imaginations run wild. We spent the entirety of the day after lunch filling up large plastic carboys with water from the Sargasso – a prized medium for phytoplankton researchers.  The water out here, though a classic mix of sea elements is very “clean”, meaning it has extremely low levels of organic matter, trace metals, or really any nutrients at all.  It’s what makes the waters out here such a beautiful blue and is the reason we haven’t seen much life outside of the phytoplankton in our tubes the entire trip.

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One week left: time to get to work!

Posted on May 27, 2010May 26, 2010 By Bluegrass Blue Crab
Science
Same boat, different cruise. Recovery of the CTD

A stormy beginning makes for a busy end. We spent the day prepping for a couple of experiments that will happen tomorrow while we’re all awake for the second round of the diel experiment. We sent a go-flow, typically used to collect data on trace minerals in the water, overboard to gracefully collect and filter seawater to be used for growth medium in an incubation experiment. It’s hard to think about treating seawater nicely, but apparently the go-flow apparatus is designed to not split any cells upon entry or exit. This ensures that the phytoplankton we’re trying to grow and measure will have the most realistic experience in their little containers as possible tomorrow.

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Day 5: Storm with no rain

Posted on May 24, 2010 By Bluegrass Blue Crab
Science

We’d all been staring at the weather forecast in disbelief for the last couple of days. We had plenty of warning it was coming, but even in the midst of a storm, I don’t believe it’s happening. Why? Because it’s sunny out. However, there are gale force winds outside causing 12-14 foot swells and rocking the boat every which way.

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Day 3 at sea: first day in one place

Posted on May 22, 2010 By Bluegrass Blue Crab 2 Comments on Day 3 at sea: first day in one place
Science

After 6 long hours processing the phytoplankton profile from last night’s CTD, we decided to stay on this station for the remainder of our trip. The profile showed a distinct (and stable) maximum of phytoplankton. Interestingly, this maximum isn’t at the top as you might expect for sun-loving organisms.

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Short update from the Sargasso Sea

Posted on May 21, 2010May 22, 2010 By Bluegrass Blue Crab 1 Comment on Short update from the Sargasso Sea
Science

This morning just after breakfast we arrived at station 1 after 24 hours of strait steaming. In past years, station 1 hasn’t had what it takes to be the place of study, but we decided to check it out anyways.

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Hatteras to Sargasso

Posted on May 20, 2010 By Bluegrass Blue Crab 2 Comments on Hatteras to Sargasso
Science

the R/V Cape Hatteras leaving port

I have absolutely no reason to be at sea. I don’t do oceanographic research, don’t work in any way, shape, or form with phytoplankton, and I barely have the time to set up my own research trips let alone take two weeks to help on someone else’s. Yet here I am, my first day aboard the R/V Cape Hatteras on a cruise to the Sargasso to study phytoplankton energetics.

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Monday Morning Blogaerobics – some advice for your first trip to sea

Posted on May 17, 2010May 20, 2010 By Andrew Thaler 3 Comments on Monday Morning Blogaerobics – some advice for your first trip to sea
Science

Next week our own Bluegrass Blue Crab will be embarking on her first research cruise – out to the Sargasso Sea. Over the years I’ve compiled a list of advice that I send out to my colleagues for their first voyage. So here is some advice for your first trip to sea. Everyone gets seasick. … Read More “Monday Morning Blogaerobics – some advice for your first trip to sea” »

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