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SNEAP2021

February 23, 2021

NOSAMS is pleased to host the 2021 Symposium of Northeastern Accelerator Personnel (SNEAP). The meeting is May 3-5 and will be virtual.

SNEAP is a community of personnel involved with electrostatic particle accelerators and their use. Founded in 1968, the organization gathers annually to discuss and exchange information to the benefit of all who attend. The topics covered include ion sources, electrostatic and RF accelerators, telemetry and control systems, cryogenic systems, safety issues and many other topics relevant to the operation of small to medium sized electrostatic accelerator laboratories. The meeting format includes submitted papers, laboratory reports, and open discussions.

More information and registration is available on the conference website.

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COVID-19 Update 2

July 6, 2020

As COVID-19 cases in Massachusetts have declined, WHOI is beginning it’s phased opening plan.  The institution will be open, but the campuses will still be closed and open only to those that have been approved.

NOSAMS continues to be open and to operate with a partial staff in this new re-opening phase while respecting conservative physical distancing as outlined by the Commonwealth of Massachusetts and WHOI policies. We are accepting and processing samples. NOSAMS does not expect an increase in turnaround times as a result of COVID-19. Please send questions or comments to nosams@whoi.edu.

Former NOSAMS graduate student intern publishes work on estimates of permafrost carbon emissions

June 18, 2020
Jenny Bowen, a graduate student from the University of Michigan, was awarded a graduate student internship with NOSAMS last year and worked with NOSAMS researchers, Josh Burton and Li Xu.  Bowen, along with Rose Cory (University of  Michigan) and Colin Ward (WHOI), investigated the radiocarbon age of carbon dioxide produced during the oxidation of permafrost organic carbon by sunlight.

New work from Sophie Hage et al. on Terrestrial OM Preservation in Sediments

June 1, 2020

Sophie Hage is a postgraduate research student studying Sedimentology within Ocean and Earth Science in the National Oceanography Centre at the Southampton at the University of Southampton.  From March to June in 2018 she was a guest student here at the Woods Hole Oceanographic Institution working with Dr. Valier Galy.  While here at WHOI working with Dr. Galy, she spent a lot of her time here at NOSAMS on the Ramped Pyrolysis and Oxidation (RPO) system.

Her recent work includes the work she did at a guest student at NOSAMS and WHOI,  “Efficient preservation of young terrestrial organic carbon in sandy turbidity-current deposits”

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Jonathan Sanderman’s work on soils using RPO

May 6, 2020

Jon Sanderman visited the lab in 2019 to use the RPO on a series of soil profiles sampled decadally since the 1960’s. Did you know that the RPO was originally called the dirt burner? His paper is now out: Ramped thermal analysis for isolating biologically meaningful soil organic matter fractions with distinct residence times

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New publications from two former NOSAMS guest students

May 1, 2020

Jessie Pearl started as a MIT/WHOI joint program student under Jeff Donnelly and Kevin Anchukaitis.  Jessie worked with NOSAMS to do help develop reconnaissance radiocarbon dating- a method to get quick radiocarbon results at a lower cost and at a reduced precision- for organic carbon samples.  She finished her PhD at the University of Arizona and her work on the Atlantic white cedar, A late Holocene subfossil Atlantic white cedar tree-ring chronology from the northeastern United States, is now published.  Jessie is now a post doc with the USGS at their Seattle Office.

Reference: Jessie K. Pearl, Kevin J. Anchukaitis, Jeffrey P. Donnelly, Charlotte Pearson, Neil Pederson, Mary C. Lardie Gaylord, Ann P. McNichol, Edward R. Cook, George L. Zimmermann, A late Holocene subfossil Atlantic white cedar tree-ring chronology from the northeastern United States, Quaternary Science Reviews, Volume 228, 2020, 106104, ISSN 0277-3791

 

Beverly Barnett, a graduate student at the University of Florida, came to NOSAMS as a graduate student intern.  She analyzed radiocarbon in chronological layers of fish otoliths and eye lenses to develop natural, permanent biogeochemical markers of petrocarbon in the northern Gulf of Mexico food web following the Deepwater Horizon oil spill.  Her most recent work was published earlier this year: Life history of northern Gulf of Mexico Warsaw grouper Hyporthodus nigritus inferred from otolith radiocarbon analysis.

Reference: Barnett BK, Chanton JP, Ahrens R, Thornton L, Patterson WF III (2020) Life history of northern Gulf of Mexico Warsaw grouper Hyporthodus nigritus inferred from otolith radiocarbon analysis. PLOS ONE 15(1): e0228254. https://doi.org/10.1371/journal.pone.0228254

COVID-19 Update

April 13, 2020
NOSAMS is open and operating with minimal staff while respecting conservative social distancing as outlined by the Commonwealth of Massachusetts and WHOI policies. We are accepting and processing samples and do not expect an increase in turnaround times as a result of COVID-19. We welcome questions or comments at nosams@whoi.edu.

The Atlantic highlights NOSAMS in an article about nuclear weapons testing

March 5, 2020

The Atlantic writer Carl Zimmer writes about the events that lead to the radiocarbon “bomb spike”, the lasting mark it has left in this world, and how scientists are studying it.  The article features work from Researcher Mary Lardie Gaylord et al. and their work on radiocarbon dating tree rings on a European beech tree in Woods Hole.

Nuclear Tests Marked Life on Earth With a Radioactive Spike , By Carl Zimmer

“Even as it disappears, the “bomb spike” is revealing the ways humans have reshaped the planet.”

Understanding the age structure and population dynamics of harvested fish is crucial for sustainability, especially in fisheries.

October 15, 2019

Alec Lackmann et al. report on the oldest freshwater teleosts:

Bigmouth Buffalo Ictiobus cyprinellus sets freshwater teleost record as improved age analysis reveals centenarian longevity

Hurricane Clues from a Caribbean Blue Hole

July 23, 2019

Scientists look to sediment cores from Caicos Island to gain insights about a monster, modern-day hurricane.  Read More…