A South Pacific neodymium isotope time series suggests Antarctic ice sheet growth triggered the mid-Pleistocene transition.

UD part of large, multi-institutional expedition to the Labrador Sea to study sources and sinks of REEs

It is now time to say goodbye!! We have been transiting for the last couple of days and just reached Reykjavík , Iceland. Next, we will take all our science gear off the boat (a process called...

What is a gravity core and why do we use them?   We love mud!  Seafloor mud stores vast amounts of information about the present and the past and it’s the whole reason we are on this voyage.  We...

When I have gone to sea in the past, we have always been far enough offshore that we never see land until arriving back at port. On these trips, you get used to the more subtle array of views the...

One of the most exciting aspects of our work at sea is that when we bring up small sections of the seafloor onto the ship, we are able to see small areas of the planet that no one has ever seen...

Picking forams on a rolling ship One of the most delicate parts of our job at sea happens at the microscope—something that sounds routine, until the ocean decides otherwise. Out here, we’ve been...

Lately, it has been super busy as we had back-to-back stations with lots of science operations running round the clock. Now that we have wrapped up our operations in the Labrador shelf and have also.....

Chandranath Basak

We have been transiting for last several days and we are about to reach our next station . Things are going to be busy real fast . We encountered a little choppy weather here and there, so at times...

As I write this blog, we are leaving Station 1. Most of us have had a few hours of sleep in the last 24 hours but we know we are ready for what is coming. Station 1 was intense and full of surprises.....

Since our last post, a lot has happened. Most of the science party has reported to the ship, and we’ve been moving all the science gear (which we worked so hard to clean, pack, and ship) onto the...

We are a group of 29 researchers from 12 institutions onboard R/V Roger Revelle. For 5 weeks in June/July 2025, we will be collecting water and sediment samples around the Labrador Sea. These samples....

UD doctoral student spends summer on research vessel in the Arctic Ocean