Search Results for CTD
During the Hydrothermal Hunt, we have been searching for new hydrothermal vents in a vast unexplored stretch of the Mariana Back-arc, a zone where we know submarine volcanism occurs (at least occasionally), providing the heat for seafloor hot springs and their weird-and-wonderful chemosynthetic ecosystems. A few days ago, we had only 2 segments still to go … Continued
Up early again today for our first Nereus dive in earnest, heading down to 2250m at the top of Mt Dent, just West of the Von Damm hydrothermal field, for engineering tests. After a few concerns right before diving (waiting for the coffee to kick in and provide clarity) we were ready to go and … Continued
My name is Kate Malloy. Despite being an undergraduate student from James Cook University studying marine biology, I recently learned to look past all the fish in the sea on a student exchange to Hawaii and began to develop an interest in physical oceanography. I am currently on board the R/V Falkor learning how to … Continued
Oceanographers, marine biologists, acoustic researchers, a Student Opportunities Participant, and an Artist-At-Sea: the team of the ‘Listening for Cryptic Whales Species’ cruise has come on board for an exciting cruise that focuses on investigating species of whales around the main Hawaiian Islands. This includes species of beaked whales, which have been called “the least understood … Continued
Kaena Point on the island of Oahu feels like the end of the line for many island residents.
Metals are present in our ocean, this is nothing new to us. Scientists have been measuring metals for decades and have a fairly good idea of their average concentration at different ocean depths. Some of these metals are very abundant, including ones that belong to the alkali metal and alkaline earth metal group, such as … Continued
Summarizing a cruise is one of the most difficult duties of a Chief Scientist. I could distill all our work down to a slew of metrics—over 600 chemical analyses for pH, nutrients, and dissolved gases, 312 CTD casts, eight incubator deployments, 325 deck board experiments, and 216 liters of filtered sea water. All told, we … Continued
This week Pete and I started doing our experiments with water collected from the CTD profiles.
“Have you ever done a XBT cast?” John Fulmer asks. I have not, but I am excited to learn about another device used for deep-water oceanography. He hands me a cylindrical tube fastened in a holder that looks a bit like a caulk gun. At the point of the cylinder is a small pin that … Continued
If you’ve been paying any attention at all to the news in the last, say, two decades, you will know that the temperature of the ocean is increasing.
