Wes Struble: Arrival and Departure, February 19, 2012

NOAA Teacher at Sea
Wes Struble
Aboard NOAA Ship Ronald H. Brown
February 15 – March 5, 2012

Mission: Western Boundary Time Series
Geographical Area: Sub-Tropical Atlantic, off the Coast of the Bahamas
Date: February 19, 2012

Weather Data from the Bridge

Position: 26 deg 30 min MN Latitiude & 71 deg 55 min Longitude
Windspeed: 15 knots
Wind Direction: South (bearing 189 deg)
Air Temperature: 23.2 deg C / 74 deg F
Atm Pressure: 1013.9 mb
Water Depth: 17433 feet
Cloud Cover: 30%
Cloud Type: Cumulus

Personal Log

With some minor travel changes in Seattle and a redeye flight into Charleston, South Carolina I arrived at NOAA Ship Ronald H. Brown at about 10:30 am Tuesday morning – tired but grateful. We left port mid-morning the next day and headed south/southeast. On the way out of port we were treated to a dolphin escort – five or six dolphins surfed our bow wave for half an hour or more. I share a stateroom with another teacher, David Grant. My stateroom  is comfortable and I will be sleeping on the upper bunk – a somewhat tight fit and something I haven’t done since my brother and I were sharing a room while we were in junior high school.

The Ronald H. Brown docked at the pier before our departure

David Grant, my fellow teacher-at-sea, working in our stateroom
A Dolphin escort off the bow of the Ron Brown as we head out of Charleston

The Ron Brown is the largest ship in the NOAA fleet. She was commissioned in 1997 and is named in honor of Ronald H. Brown, Secretary of Commerce under the Clinton Administration who died in a plane crash on a trip to Bosnia. With a length of just under 280 feet the Ron Brown has ample deck space for hauling all the various amounts of materials and equipment needed for a research cruise.  The ship’s captain is Captain Mark Pickett, the Executive Officer is Lieutenant Commander Elizabeth Jones, the operations officer is Lieutenant James Brinkley, the medical officer is Lieutenant Christian Rathke, with Ensign Aaron Colohan, and Ensign Jesse Milton making up the remaining officers. The entire ship’s complement is divided up between the NOAA Corps crew members, the merchant marines, and the science staff. For this trip we have approximately 50 people on board including the crew and the scientists.  From the science group there are four of us that will be dividing up the CTD watch: David Grant, Shane Elipot, Aurélie Duchez, and myself. As I mentioned earlier, David Grant is my Teacher at Sea colleague for this cruise. He hails from Sandy Hook, New Jersey which is considered the most northern sandy beach in the state. David teaches a variety of science courses at a community college. Shane & Aurélie are from France (although they both currently work in the UK for the Natural Environment Research Council).

A Coast Guard Ship shared the pier with the Ron Brown
The Arthur Ravenel Jr. Bridge over the Cooper River, Charleston SC - a fine example of a graceful Cable Stay Bridge
A view of the Arthur Ravenel Jr. Bridge from below as the Ron Brown passes under the bridge
A view of Fort Sumter - one of the icons of the War between the States
A mass of sargassum (floating seaweed) - from which we derive the name of this part of the Atlantic Ocean - the Sargasso Sea

After the Brown got underway we had the first of many drills. All of the science crew met in the main lab where one of the NOAA Corps officers, ENS Jesse Milton, reviewed the proper use of the rescue breathing apparatus, the Gumby suit, and the PFD (personal flotation device). When the meeting was over we had three practice drills: Fire/Emergency, Abandon ship, and Man Overboard. Each of these emergency situations has their own alarm bell pattern and all those aboard have particular responsibilities and particular muster stations to which they are to report.

A Fire/Emergency is identified by a long (10 seconds or more) continuous alarm bell. When the bell sounds everyone is to move to their assigned stations. The science crew is to go to the main lab and await instructions. If the main lab is actually where the fire or emergency is located our second muster point is the mess.

A series of short blasts (at least 6) followed by a long continuous blast indicates Abandon ship. When this alarm sounds you are to drop whatever you are doing return to your stateroom and retrieve your PFD and Gumby suit and report to your muster station. In addition to the life saving articles, you should be wearing long pants, a long sleeve shirt, and a hat (to protect you from exposure while drifting at sea in the life boat). For this emergency situation I am to report to fire station 15 with a number of other members of the crew and be ready to load into a lifeboat.

Three long alarm bells announce a man overboard. During this emergency different groups of people are assigned different positions around the ship to look for and point to the person who has gone overboard. When the floating person is spotted, all those on deck are to indicate the overboard person’s position by pointing with their outstretched arm. A person floating in the water produces a very low profile and can be very difficult to see from a small boat bouncing in the waves. If the rescue team has trouble locating the floating person they can look up at the ship and see where all the spotters are pointing. This can direct them toward the overboard person’s location.

Elizabeth Bullock: Day 5, December 15, 2011

NOAA Teacher at Sea
Elizabeth Bullock
Aboard R/V Walton Smith
December 11-15, 2011

Mission: South Florida Bimonthly Regional Survey
Geographical Area: South Florida Coast and Gulf of Mexico
Date: December 15, 2011

Weather Data from the Bridge
Time: 3:15pm
Air Temperature: 23.6 degrees C
Wind Speed: 15.8 knots
Relative Humidity: 56%

Science and Technology Log

Liz takes a water sample
Here I am taking a water sample from the CTD.

Let’s talk about the flurometer!  The flurometer is  a piece of equipment attached to the CTD which is being used on this cruise to measure the amount of chlorophyll (specifically chlorophyll_a) in the water being sampled.  It works by emitting different wavelengths of light into a water sample.  The phytoplankton in the sample absorb some of this light and reemit some of it.  The flurometer measures the fluorescence (or light that is emitted by the phytoplankton) and the computer attached to the CTD records the voltage of the fluorescence.

The flurometer can be used to measure other characteristics of water, but for this research cruise, we are measuring chlorophyll.  As you know, chlorophyll is an indicator of how much phytoplankton is in the water.  Phytoplankton makes up the base of the marine food web and it is an important indicator of the health of the surrounding ecosystem.

At the same time that our cruise is collecting this information, satellites are also examining these components of water quality.  The measurements taken by the scientific party can be compared to the measurements being taken by the satellite.  By making this comparison, the scientists can check their work.  They can also calibrate the satellite, constantly improving the data they receive.

Combined with all the other research I’ve written about in previous blogs, the scientists can make a comprehensive picture of the ecosystem with the flurometer.  They can ask: Is the water quality improving?  Degrading?  Are the organisms that live in this area thriving?  Suffering?

Nelson records data from the CTD
Nelson records data from the CTD.

Collecting data can help us make decisions about how better to protect our environment.  For example, this particular scientific party, led by Nelson Melo, was able to inform the government of Florida to allow more freshwater to flow into Florida Bay.  Nelson and his team observed extremely high salinity in Florida Bay, and they used the data they collected to inform policy makers.

Personal Log

Today is my last full day on the Walton Smith.  The week went by so fast!  I had an amazing time and I want to say thank you to the crew and scientific party on board.  They welcomed me and taught me so much in such a short time!

Thank you also to everyone who read my blog.  I hope you enjoyed catching a glimpse of science in action!

Answers to Poll Questions:

1)      In order to apply to the Teacher at Sea program, you must be currently employed, full-time, and employed in the same or similar capacity next year as

a. a K-12 teacher or administrator

b. a community college, college, or university teacher

c. a museum or aquarium educator

d. an adult education teacher

2)      The R/V Walton Smith holds 10,000 gallons of fuel.  By the way, the ship also holds 3,000 gallons of water (although the ship desalinates an additional 20-40 gallons of water an hour).

Elizabeth Bullock: Day 3, December 13, 2011

NOAA Teacher at Sea
Elizabeth Bullock
Aboard R/V Walton Smith
December 11-15, 2011

Mission: South Florida Bimonthly Regional Survey
Geographical Area: South Florida Coast and Gulf of Mexico
Date: December 13, 2011

Weather Data from the Bridge
Time: 4:45pm
Air Temperature: 23.5 degrees C
Wind Speed: 15 kt
Relative Humidity: 68%

Science and Technology Log

Liz deploys a drifter
I'm deploying a drifter!

Last night, we deployed our first drifter.  There will be three deployed over the course of this cruise.  The frame of this drifter is built by the scientists at AOML (Atlantic Oceanographic and Meteorological Laboratory).  Afterwards, they attach a satellite transmitter so they can track where the drifter goes.  This helps them measure the surface currents.

What are some other types of research being conducted onboard?  I’m glad you asked!  Two NOAA researchers, Lindsey and Rachel, are studying water chemistry and chlorophyll.  They take samples of surface water from the CTD to study CO2 and the full carbonate profile.  They also use water collected at many different depths to study the chlorophyll content.  Chlorophyll is an indicator of the amount of phytoplankton in the water.

Collecting water from the CTD
Collecting water from the CTD.

Sharein, a PhD student at the University of Miami Rosenstiel School of Marine and Atmospheric Science, is studying a specific type of plankton called copepods.

The particular copepod that she is studying is food for the larval stages of some commercially important species of fish such as bill fish (which include blue marlin, sail fish, white tuna, and yellowfin tuna) and different species of reef fish.  If a species is commercially important, it means that many people depend on this particular fish for their livelihoods.

Female Copepod
Here is one of the species of copepods that Sharein is studying.

Do you think you would be interested in working at sea?  You would be a good candidate if you:

1)      Like meeting new people and working as part of a team

2)      Are interested in the ocean, weather, and/or atmosphere

3)      Don’t mind getting your feet wet

Personal Log

When we were on our way to the Tortugas, we didn’t have cell service and the TV in the galley had no signal.  It was nice to be disconnected for a while.  Although there are still 29 computers onboard which all have the internet, so we’re hardly off the grid!

It was hard at first to adjust to the night shift, but everyone onboard was really supportive.  Working the night shift means that you work from 7pm to 7am.

Species seen last night in the Neuston net:

Flying fish

Needle fish

Different kinds of sea grasses and sargassum

Moon jellies

Elizabeth Bullock: Introduction, December 8, 2011

NOAA Teacher at Sea
Elizabeth Bullock
Aboard R/V Walton Smith
December 11-15, 2011

Introduction

Hello! My name is Elizabeth (Liz) Bullock and I work for the NOAA Teacher at Sea Program (TAS).  Before I worked at NOAA (the National Oceanic and Atmospheric Administration)  I was in graduate school at Clark University in Worcester, MA studying Environmental Science and Policy.  As my final project, I created an environmental curriculum for the Global Youth Leadership Institute (GYLI).  Through this experience, I realized how much I love both science and educating others about the importance of the natural world.

I have been invited to take part in a research cruise on the R/V Walton Smith.  I will be participating in the Bimonthly Regional Survey / South Florida Program Cruise.  The researchers on this survey are  from NOAA’s Atlantic Oceanography and Meteorological Laboratory (AOML) which is located in Miami, FL.

What will we be studying?  The scientists on this survey are very interested in knowing about the strength and health of the ecosystem.  They can judge how strong it is by looking at various indicators such as water clarity, salinity, and temperature.  They can also record information about the phytoplankton and zooplankton that live in the water.

Question for students: Why do you think it is important to learn about the phytoplankton and zooplankton?  What can they tell us about the ecosystem?  Please leave a reply with your answers below by clicking on “Comments.”

Here is a map of the route the R/V Walton Smith will be taking.

Research Map
The R/V Walton Smith will be leaving Miami, FL and traveling around the Florida Keys into the Gulf of Mexico.

I am so excited and I hope you will follow along with me on this journey of a lifetime!

Mark Silverman: An Unfortunate Situation, November 16, 2011

NOAA Teacher at Sea
Mark Silverman
Onboard NOAA Ship Oregon II
November 11 – 13, 2011

Mission: Cancelled

I arrived safely in Pascagoula Mississippi.  I was met by an awesome and enthusiastic group of scientists from the Southeast Fisheries Science Center (SEFSC).  Unfortunately I was told the ship had a problem with its water heater and the cruise may be in jeopardy.  I had a tour of the lab and saw the OREGON II from the dock.  All I could do was wait.

OREGON II at the Pascagoula, Miss. SEFSC dock awaiting repair.

After several attempts at repair by the CO and crew, I was told that the heater was not repairable.  A new heater was needed, and this was a lengthy process.  To my great disappointment, the mission was scrubbed.  I know all the scientists were equally saddened by the turn of events.  I was to return home without sailing.  I am sorry to bring this news to all my students and others who were following this Blog.  It is no one’s fault,  just the circumstances that occurred.   I can only hope that I can join another NOAA TAS mission in the near future…

Signing Off,

Mark Silverman