Month: November 2023

WHOI/JASON weeks 5 & 6

Another 2 weeks completed in the blink of an eye! This means I am officially halfway through my land-based portion of the internship with WHOI. 

Week 5 started out with operating the Forklifts, practicing for my in-person certification test. I had earned my forklift certification over 15 years ago, but since it had been so long, I opted to retake my trainings to be more up-to-date and certified through WHOI’s safety program. All the practice paid off, and by Wednesday, Nov 8th, I passed the certification test and received my updated card.

In between driving and operating the forklifts, I also spent time down at the WHOI machine shop helping paint and prep the control vans before installation of the new wood floors. This task was started the previous week, but the last coat of paint was finished by Tuesday. The rest of the time this week was dedicated to servicing and replacing JASON’s comp hoses. 


The sixth week started out with attending the SOVA (Scientific Ocean Vehicle Alliance) Conference where ROV professionals get together to discuss all things ROV related….updates, successes, failures, struggles, needs, etc. It was amazing to see and hear so many people’s experiences and thoughts on how these vehicles have changed and improved over the years, but also their thoughts on future improvements and what seems to be the biggest need at this time: building new ROV systems capable of diving to 6500m or more. I really enjoyed this conference and having the chance to meet with other individuals in this field, whose knowledge and experience helps shape the future of this industry. 

At the end of week 6, our building had a Thanksgiving potluck, and I was impressed with the amount of people who gathered together to celebrate the holiday. It really feels like a family here at WHOI, and you can tell they enjoy what they do, respect eachother, and care about one another. It is quite the community, and I feel grateful to be here and be a part of it. 

 

Week 7: Going Home

It’s official; we’re set to arrive in Nome on the 15th. I’ve secured my hotel room for two days, and my flight is scheduled for the 17th. Last night was a wild experience—we were tossed around like rag dolls! My roommate sustained injuries, and we ended up at the hospital together. We had to secure ourselves in our beds with life jackets, creating makeshift “tacos.” What a way to spend our last night.

Today is demobilization day. I’ve packed up and prepared everything. The captain handed me a service letter and a challenge coin; I couldn’t believe it. I bid a final farewell to the crew, feeling a tinge of sadness, capturing the moment with numerous pictures.

The captain expressed concern about leaving the harbor, so we opted for a small boat transfer, which turned out to be quite enjoyable. With our third mate at the helm, we made it to shore and headed to the Aurora Inn. Once on solid ground, I went for lunch with our chef, Evan, at the polar cub cafe.

It was delightful. Later, we hit the bar, spending most of the night saying goodbyes and engaging in conversations with the science team, making a quick stop at the gift shop, and then back to the bar, we practically closed it down. As everyone headed to the airport or their hotels, the chef and one of the engineers made dinner plans and enjoyed pizza and sushi. The night ended with a night cap with some of the crew before bidding them farewell at the hotel for the last time. I woke up, indulged in a leftover slice of pizza, and spent most of the day indoors. I collected rocks and revisited the Polar Cub Inn for breakfast, just having a nice chill day before I needed to travel.

Later, I returned to the bar, sipping on those fantastic ginger beers (Cock and Bull) that I had the day before, leaving a $20 bill with a note on the ceiling. I was excited that the next day I would be going home. I took one last walk outside and enjoyed the ice and snow and the long Alaska sunsets.

Arriving at the airport at 8:30am, I learned that our flight got delayed until 11:30 am. Despite the initial assurance of holding the Seattle flight, plans changed, and we all had to be rebooked. I originally planned on getting to Sacramento at around 10pm, but now I was going to arrive at 12:04 am, on my birthday. 

I arrived home at midnight, exhausted. Despite the fatigue, we drove home, and to my surprise, my sister and her boyfriend were there with cake, turkey cupcakes, balloons, In-N-Out burgers, and champagne—a heartwarming welcome. We talked until 2 am, sharing stories and memories.

Afterward, I hit the sack and slept until 11 am. Now, I’m taking it easy, enjoying some food, and unpacking. I’m finally back home. Thanks everyone for reading along on my adventure, I appreciate it. For the last time, thanks for reading. 

Mari 🙂 

Week 5: HOT 346

Howdy all,

The fifth and final week of the MATE internship was another opportunity to work at sea on HOT 346. This cruise repeated the same operations performed during week one of the internship.

Once again after loading for the cruise on Friday and setting sail Saturday morning we were on our way to Station Kahe to perform our weight test cast, hyperpro casts, and trace metal cast. After these successful operations we were on our way to Station Aloha to start our main sampling operations. After having worked on one HOT cruise already I was much more confident performing deck operations, using radios to communicate, and getting more involved with whatever task was at hand. This included launching and recovering the rosette/CTD system, prepping for trace metal casts, performing hyperpro casts, assisting with net tows, launching/recovering arrays, launching/recovering the VPR system, and firing niskin bottles in the CTD lab. 

The cruise was going smoothly until a weather hold had to be issued because sea conditions were too rough to risk deck operations. For approximately 9 hours, all sampling and equipment deployments had to be halted for the safety of the HOT team, crew, and equipment. This delay forced the sampling schedule to be reworked to maximize the remaining ship time. Again, this was another opportunity to learn about the challenges of working at sea. Conditions such as this are not abnormal when working during the winter months around Hawaii and have to be accounted for. 

After the weather hold was lifted operations continued like normal and we were able to finish our sampling at Sttaion Aloha, the WHOTS mooring, and Station Kaena.  Upon returning to the marine center and unloading the equipment that was the end of the internship. HOT 346 was a great opportunity to actually practice some of the skills I had developed over the last cruise and over the weeks on land. Overall, the MATE internship was a positive experience that gave me valuable skills and insight I will need to work as a marine technician. 

Best,

Hunter

Week 6: The Buoy

Today was the day. I continued my daily routine trying not to think about it, today was the day. Changing the sea water filters below on the engineering deck, done and dusted.Today is the day. We get a call over our radios, okay it’s happening after lunch.  

Conducted a CTD for the science party. Buoy engineers were rushing past us getting the buoy ready to be lifted and untying it and bringing in tables to the Baltic room. It’s starting to look more like a war room. Everyone keeps checking the weather, it’s in the negatives today and the wind isn’t blowing too hard. Good.   

Trying to keep my mind off of the lift. I headed to the bridge for a full shift with the chief mate, where we encountered huge ice ridges and snow. So we did what the ship was designed to do in this instance, the ‘back and ram’! This consists of  creating space behind us with our thrusters and clearing the ice. We back up as much as we can, then give her all she’s got and ram through whatever is in front of us. We needed to get through all of this ice if we were to deploy the buoy. The time was edging closer. 

 

 

Following this, I left the bridge to attend the second and final buoy meeting. This deployment is the primary purpose for our expedition and the R/V Sikuliaql, WHOI, and UW had their best teams on this boat for a reason, and this was why. This lift, considered one of the most difficult operations the ship undertakes, requires not only two cranes and crane operators working simultaneously, but also needs at least 8-10 taglines preventing the buoy from swinging and that’s just the set up. The complex process involves 3 evolutions in total.  (1) lifting the buoy from a horizontal to a vertical position, (2) rotating it 180 degrees in the air, and then (3) carefully positioning it over the side without any collisions—a truly complex operation. 

After the meeting we all enjoyed a hearty lunch knowing the teams would definitely need it. With the chilling -4 degrees Celsius outside, we bundled up in our warmest clothing before heading to the Baltic Room. This room housed essential equipment like CTDs and AUVs, and served as the ‘command center’ for our ambitious lift.

Divided into three teams, the first team consisted of crane operators, our bosun, and day bosun, supervised by the captain who would be joining us down on deck. Their responsibility was to maneuver the cranes safely, ensuring a precise and secure lift. The second team, composed of tag liners, included the buoy engineers, one of the chief scientists, and the most experienced crew members. Their role was crucial in handling the buoy to prevent any damage to its instrumentation, and most importantly keep that 6 ton behemoth from swinging. The third team, the runners and floaters, remained in the Baltic Room, ready to assist and ensure the safety of those working outside.

Before the operation began, everyone suited up and gathered in this makeshift war room complete with cameras, tables, schematics, computers, radios, and scattered clothing and food.  Expressing her confidence and excitement, the bosun assured us that we were well-prepared for the task at hand. The room erupted in applause, and we conducted final checks to ensure everyone was well-protected from the frigid arctic conditions.

The atmosphere was tense as those not directly involved in the three teams (me and a few other scientists) ascended to the third deck for a high vantage point. Everything unfolded in threes—three teams, three decks, and three floors above the action.

The setup felt like an eternity, with each moment filled with anticipation and nerves. This operation was the culmination of the entire cruise, and there was no room for error. The lift, seemingly lasting for hours, required meticulous attention to detail. The first evolution involved lifting the buoy from a horizontal to a vertical position, a seemingly straightforward task but made challenging by the protruding bottom instruments beneath the buoy. When everyone was ready, it went dead silent and all we heard was the wind and the sound of the cameras starting to record. The cranes started to move and make noise and all the lines started to tighten, and tighten, and creak, and the crane team started to back up as the buoy started to rumble, and shake and make noise. Our bosun called out orders for everyone to hold onto their ropes with everything they have…then it started to lift.

The first evolution had begun. The tension heightened when a close call prompted the chief scientist to call an all-stop. Repositioning was crucial, and with her guidance, the lift continued without incident.

The buoy ascended into the air, and the teams successfully completed the first evolution.

 

The second evolution involved rotating the buoy mid-air, a complex task that required tag liners to skillfully transfer their lines from one cleat to another, looking from my vantage point very close to a choreographed dance. The operation proceeded smoothly, showcasing the expertise of the crew.

 

 

The buoy reached the desired position, marking the end of the second evolution.

 

The final stage, Evolution 3, involved carefully positioning the buoy over the side without collisions and releasing it into the water. Tag liners played a crucial role in this phase, swiftly removing their lines as the buoy descended into the water. The final moments were entrusted to the main engineer, who shouted “RELEASE!” as the buoy was set free, completing the mission. Below is the moment of the release.

 

It felt like hours, but due to the expertise of our bosun and everyone involved, it took only 30 minutes for all 3 evolutions. I was astounded. 

With the night ending on a high note, our successful operation was celebrated with cheers, high fives, and hugs.

 

 

 

 

 

 

 

 

As we sailed away, the sky treated us to a breathtaking display of the aurora borealis, a fitting end to our challenging journey. 

And so, with our final mission accomplished, we eagerly looked forward to Week 7: Going Home. 

Thanks as always for reading, I’ll be home soon. 

Mari

Week 5: Rockin’ and Rollin’

Happy Saturday! We are back on the R/V Kilo Moana for the last cruise of the internship—just 5 more days of sea-time and adventures in the North Pacific Ocean until I return home to Seattle. The nice part about the cruise is I know exactly what is happening this time and feel more confident assisting with deck operations and asking better questions. Most marine techs I have met have explained this exact feeling—each cruise gets more familiar and you will feel more confident with your skills as you continue to settle. I am counting down the days until my next cruise, wherever that will be!

The days of the cruise tend to blur together for me but I remember the exact moment the excitement happened. I was assisting Trevor with a CTD deployment in choppy waves and decently strong winds. I held the walkie-talkie and was communicating with the bridge when the CTD was starting to drift under the boat. Almost immediately, Trevor took back over control and was not-so-calmly asking the bridge to move the ship ASAP because the wire angle was too much and he worried the CTD would get stuck in the prop—an expensive issue. From that point on, the weather dictated most of our operations and made it difficult to fall asleep with the crashing waves between the hulls of the ship. The big waves and strong winds halted operations for 8 hours while the science and OTG teams created a new plan.

The following 3 days blurred together with deployments and recoveries happening back-to-back to make up the time we lost. Lots of CTD casts, trace metal casts, net tows, and VPR casts kept us busy. Kelsey, on the science team, was armed with a camera through most of it. To wrap up my blog for this internship, please enjoy many photos of my last few days on the Kilo Moana.

I absolutely loved my time on board the ship and created many great memories throughout the internship. I would like to give a huge thank you to the HOT team, OTGs, and the crew of the Kilo Moana for hosting me and supporting me through an unforgettable 5 weeks in Hawaii this fall! Thank you so much!

Jenn

(Dan Sadler, Fernando, me, Hunter, Carolina, Dan Fitzgerald)

Weeks 3 & 4: JASON Prep, testing, and Control Van Floors

Weeks 3 & 4 with WHOI

Monday Oct 23rd- Friday November 3rd

Starting my days off in an office has been an adjustment compared to diving right into shift work on a vessel at sea. The WHOI land-based schedule runs Monday-Friday, from 9am-5pm. I have settled into the schedule and enjoy my free time with my dog, Emma. 

My morning usually start with checking emails, logging tasks to be completed and checking off those that have been finished. Once everyone is in the office, we divide and conquer! 

The 3rd week (Oct 23rd-27th) we primarily focused on finishing the prep for JASON’s main frame and main lift parts to be dye tested for structural integrity. This dye testing is composed of applying a red blood-like coloring dye to the frame areas that are to be tested. This red dye sits for over 20 minutes and then the excess is wiped away. Then, a lighter, white-colored paint is applied and let sit, which eventually reveals cracks or breaks in areas that are being tested. This is not a long process, but the prep and clean up is what takes time. The red dye and cleaning agents can damage some hoses and cables, so it is essential to have everything separated, taped and papered off to ensure none of these damages can occur. 

We were able to complete all of the required testing by Friday afternoon and there were no major issues with the lift structure main frame or lift components! Very tedious work for a rewarding result!

Week 4 (Oct 30th-Nov 3rd)  kick started with identifying which model gasket type were needed to replace the ones on all of the 5 vans. This overhaul/maintenance period is not just for the ROV, but also for all of the control/storage/tool vans that accompany the ROV. One of the major concerns for these vans is water exposure, and this summer we identified a leak in one of the main control vans. So we spent this week working in WHOI’s main shop located down near their docking area. Part of the wood floor had to be cut out and then we began sanding and nail-gunning the floor braces to remove the build up of rust. This was slow and mythodical, because we wanted to make sure it was completely cleaned and coated with a hardening gray 400 paint so when the new wood flooring was put down, it would be like new! We were able to apply the last coat of the gray paint by Friday morning so it would have the weekend to completely set before the carpenters began the flooring next week. 

One of the days, Tuesday Oct 31st, I spent the day helping lift and removed the inner transformer fromn the main jbox so it could be cleaned. Once finished, I lowered it back into the box and reassembled all of the hardware and cables as directed. I really enjoy being so hands-on while interning here!

To wrap up the week, I completed an online Forklift Certification training course and am all signed up to complete my in-person training next week. 

Week 5: Ice, Ice, Baby!

As the title suggests, it’s all about ice, ice everywhere. 

 

 

 

 

 

 

 

 

Operations continue as we venture deeper into the ice, and I find myself on deck as a line handler on the crane. Being a part of these operations, getting the REMUS and their other instruments out of the water, is always challenging, rewarding, and a great experience. Our Bosun and deck crew are amazing, and they always get the job done, even in single-digit weather with a -12 degree Celsius wind chill. This is definitely the coldest I have ever experienced, even with the mustang suit.

 

 

Apart from my daily duties, we are nearing the end of the cruise and internship, and now I get to work on more side projects. I’m focused on gaining more experience with 3D printing and designing. So, naturally, I found a mini version of the REMUS (left) that we’ve been deploying and recovering for a month, and I printed it. He’s adorable and ive started to paint it (it’s a work in progress!). I also was able to print a surprise birthday gift for my dad (on the right) since I am going to be on the boat for his birthday. He reads these blogs so surprise! Happy Birthday Dad! I’ll see you soon. 

I also get to practice some more complicated soldering techniques since we have all the equipment.

Between all the fun projects, I celebrated Halloween for the first time on a ship, which was very enjoyable. Everyone was excited for Halloween because we knew the chef was hiding all the candy somewhere. On Halloween morning, it was like Christmas because on each table, there was a huge bowl of different types of candy. All the chocolate was gone by the afternoon; it was like the candy hunger games. I’m not kidding. Once again sharing our pumpkins below that the crew and I made to celebrate. You can also see more of the halloween decorations that were in the mess hall in the background. And lastly i wanted to share my family’s small ofrenda we did this year for dia de los muertos since I missed it.  

 

 

 

As mentioned earlier, as we approach the back half of the trip, we need to prepare for the deployment of the big buoy we have on board. It’s enormous, weighing almost 6,000 pounds, and it’s an awkward lift. I attended the first meeting (out of the two we will have) that lasted about an hour, discussing the logistics of safely lifting this massive buoy off the ground. It will undoubtedly be a challenge, and since I’m new, I won’t be part of the lifting team. This means I get to stay warm and watch the entire lift, which promises to be an impressive endeavor. While still attending meetings, ice briefings, and training sessions (including ship safety jeopardy), we performed our first deep CTD cast of the trip. I took part in launching and recovering, as well as keeping an eye on the winch to ensure it didn’t coil in on itself. We went to approximately 3780 meters.

Operations continue every day like clockwork, with each person having their specific role. I usually serve as a line handler for the crane. As we repeat the process, we continue to refine and make changes, and it goes smoothly every time, which has been nice. However, on this second-to-last night before we headed further into the thicker ice and farther north, into the upper 70 degrees North, we encountered a malfunction. We were lowering our AUV over the backside of the ship with our A-frame, and suddenly, the hydraulics malfunctioned, with fluid spraying like a fountain. It seemed that a gasket had frozen and broken. So, we had to halt all operations and check each other to ensure we didn’t have any hydraulic fluid all over us. Everyone was fine, and the captain called for an immediate stop, but we had to get the AUV back over the side and pivot to use the crane instead.

Amidst all these operations, I had a strong desire to learn more about sea ice navigation. I had the opportunity to do a full shift with the chief mate on the bridge, steering the boat, navigating through ice ridges, and learning about sea ice radar reading. It was an incredible experience, as I got to drive a 260 ft polar-class vessel! It’s undoubtedly one of the top 10 life experiences for me. I wish I could share the video because the chief mate started to play Pirates of the Carribean music for me as I was driving the ship. Im at the helm lookng out the window at the spotlights and steering by hand. It was terrifying and awesome. 

 

So, with all the deployments and recoveries we’ve been doing, we knew at some point, the scientific team would conduct their ‘dress rehearsal day’ for their AUVs. We didn’t know exactly when it would happen, but when I woke up (my roommate is a scientist), she told me that ‘today was the day!’ they would pull out all the stops. This was the final test before we headed up north to the upper 70s, where they would launch it, and it would remain under the ice for the entire year. Everyone was in high spirits, thinking we were finally moving closer to one of our last mission objectives before we transit to the upper 70s, drop off everything, and start preparing for the journey home. Little did we know that their dress rehearsal day would turn into the biggest operation of the entire trip, something we hadn’t anticipated. It quickly went downhill.

Their dress rehearsal transformed into something known as the Long Walk. It doesn’t happen often if the ship and crew can help it, but sometimes it’s necessary, as we discovered today.

We found ourselves in a position in the ice where we thought the open water would hold and not completely freeze over, but we were wrong. The ice pressed in from all sides. This wouldn’t normally be a problem, but we had an AUV in the water that we needed to recover. Unfortunately, it became entirely trapped under the ice and was malfunctioning, causing it to swim further and further away from the ship. We couldn’t move too much, risking hitting the AUV. So, we had to wait in the dark on deck and watch as a flickering light under the ice blinked at us, trying to come closer. It was beeping, trying to alert us to its location. It was a distressing sight and the scientists had it beeping as loud as it could, yet we could still barely hear it. The ice was at least 2 feet thick.

In this situation, the only thing we can do is send someone out into the dark to walk on the ice with saws and tools. They would have to cut through the ice to create a hole large enough to clip the AUV to the crane, allowing us to pull both the AUV and the person out. When we realized what was happening, the captain, Bosun, and Chief Mate had to decide who would go out onto the ice to perform this task, and the chief mate volunteered. We had emergency sleds ready for him, lowered over the side. Back-up team members were prepared, suited up in case they needed to go out and assist the chief mate if he fell through the ice or if something worse happened. It took the entire crew and most of the science team to ensure every safety measure was in place, with polar bear guards on alert, before the chief mate descended onto the ice in the pitch-black darkness. When I say pitch-black, I’m not exaggerating; you can’t see anything beyond the ship’s lights. You only hear the crunching and shearing sounds of the ice colliding.

I, once again, served as a line handler, and aided in hoisting his safety equipment over the side of the ship for him to use. Our captain made a final attempt to get as close to the AUV as possible to minimize the chief mate’s walk. The captain’s driving skills were impeccable, and he covered half the distance. The chief mate then climbed over the side of the ship on a metal ladder. As he descended, he reminded everyone of our responsibilities in case he fell through the ice or became trapped beneath it with the strong current in the area.

He ventured over the side, and the entire ship and crew fell completely silent, holding our breaths as he descended the ladder and got on his emergency sled. We turned off our lights, and then we spotted it—the blinking lights of the AUV, trying to break through the ice surface, accompanied by its loud beeping. As a last-ditch effort, the scientists hit the command for the AUV to come home (back to the ship), and miraculously, it worked. The AUV started swimming towards us, and we saw its lights drawing closer. It reached the ship, and we handed down ice picks and spears over the side while our chief mate hammered away at the ice. However, the ice wasn’t breaking; it even broke one of the tools. In a desperate attempt, we dropped the 600-pound crane on it, but it remained unmoved. 

My mentor, Bern, found a huge ice saw in the tool shop, and that did the trick. We finally saw the AUV beneath the ice, but we weren’t done yet. Because of the boat’s position and the strong current, we had to be extremely careful not to hit our chief mate and the AUV with the ship. Our chief mate hooked it and within seconds he  got back onto his sled.  When we heard that click, like a normal procedure, I was attached to the crane hook, ensuring that the hook and the AUV didn’t swing as it was hauled over the side. However, this time, I had never pulled a rope faster in my entire life. I hoisted the AUV back onto the ship, and we finally had it on board. Our chief mate was next, and our captain was there to pull him back to the ship with a safety rope attached to the chief mate. Once the chief mate was close enough, he climbed the ladder and was safely back on board. Cheers erupted from the crew, the scientists, and from the bridge over the radios. We had successfully recovered our chief mate and the AUV together, safe and sound.

The only thing left to do was get the emergency sled back on board. My rope was once again attached to the crane hook, and I hauled the emergency sled back onto the ship. The crew unhooked my rope, and we went back to business as usual, but everyone’s adrenaline was still running high. I couldn’t sleep for a couple of hours, so I kept looking at all the photos and videos of our chief mate on the ice, ive shared a few I have below. In one of the pictures that was taken of the crew watching, you can see me in the back hoisting my fist in the air because our chief mate found the AUV and had broken it free. We had successfully completed an long walk.

 

Now, we’re heading to the upper northern latitudes to complete the last part of the mission—dropping off the AUV and the buoy. We are currently at 75 degrees North and 142 degrees West on our way to do just that, breaking through the ice. Then, we’ll start our journey home. It’s hard to believe it’s almost over. Thanks, as always, for reading.

Mari 

Week 4: Big To-Do List

With the cruise plan pushed back an extra day, we spent extra time in the lab on Monday and Tuesday with last-minute preparations. On Monday, Hunter and I joined the chief scientist, Dan, in the Marine Center Lab. Dan primarily focuses on chemical analysis of the samples we collect on board including dissolved oxygen samples—which can be temperamental. He has an automatic oxygen titrator system that makes it quick and easy to collect great oxygen data on the boat but the machine tends to drift so we need to calibrate it often. Hunter and I assisted with the calibration procedures and competed against each other to see who was the more accurate titrator…it was a tie according to Dan.

The next day, we worked with Carolina in the labs at CMORE to make enriched seawater for the cruise. I was expecting a fancy machine to dissolve the nitrogen gas into the water but was happily surprised that this required more hands-on effort. Colder water holds more gas so we let the bag of filtered seawater chill in an ice bath for an hour before introducing the Nitrogen gas. Carolina then took out a fly swatter and started smacking the crap out of the bag over and over! Hunter and I were cracking up that the method was actually working and didn’t need any fancy machinery, just some built-up frustration to take out on the bag.

On Wednesday, the OTG team invited us to help them onboard the Kilo Moana. James, one of the 3 main OTGs we worked with, escorted us all the way down to the sea chest (unfortunately not full of gold). This adventure took us down 2 flights of stairs and then 2 additional ladders to crawl down to the bottom of the hull. Submerged inside the sea chest is the sound velocity probe. This probe is technically still working but there was serious corrosion around the instrument and James taught us how he troubleshoots these issues with a multimeter. Hunter and I agreed that we still have a lot to learn about electronics and how we can use a simple tool like a multimeter to check connections and dissect the issue. After testing our cabled connections multiple times to be sure, we decided to send the instrument back to the company for them to fix the internal issue.

Upstairs, Ben and Trevor showed us a few more network components and the hot glue method for cable splicing. I am looking forward to being back on the boat in a few days to keep learning from them.

Carolina and Dan gave us the day off on Thursday (our last day on land) to explore. I rented a car for the day and took off East to drive through the Botanical Gardens near Kaneohe which were stunning! After watching the sunset and going for a swim, I returned to the campus housing and packed up for the cruise on Friday.

Loading Day! I am always impressed by how organized and efficient this team is at loading and unloading their boxes and instruments for the cruise. It is seriously one big game of Tetris to fit everything but they have a system down after doing this cruise for 35 years. The weather forecast says to expect some stronger winds this time around so I am looking forward to an exciting cruise to Station ALOHA tomorrow!

Jenn

Week 4: Oxygen and the RV Kilo Moana

Howdy all,

Week four was shorter than other weeks with the HOT team but presented opportunities to review auto oxygen titrators, nutrient analysis, and work on the Kilo Moana.

On Monday, we took a trip to the marine center to calibrate the oxygen auto titrators that are used to analyze oxygen samples during the HOT cruise. This was a great opportunity to review the software/methods that operates this equipment while also learning why the calibration is important and how it is performed. Tuesday we reviewed how nutrient samples are processed and also received an introduction to the total DIC sample analysis system. To finish the week before loading for HOT 346 we worked on the RV Kilo Moana on Wednesday. Aboard the ship we learned new cable splicing methods, how to connect new computers to the ships networking system, and how to perform troubleshooting for the ships sound velocity probe found in the sea chest. 

This week introduced us to more of the research that this time series performs while also giving us the opportunity to foster new technical skills related to work as a marine technician. 

Best,

Hunter

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