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NOSAMS > Articles by: czakroff

Why did an entire civilization vanish?

Four thousand years ago, the Harappan civilization thrived in what is now modern-day Pakistan. By 1800 BC their cities were abandoned. Now a team of scientists think they have discovered where they went. This video highlights the work of WHOI scientist Liviu Giosan and some members of NOSAMS (where his samples were analyzed). Video>> Why…

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Who is WHOI?

Who is WHOI?  is a short video highlighting different scientists and answering  what it means to work for WHOI.  Look for NOSAMS staff throughout the film: 00:56 Kalina Gospodinova, 00:59 Josh Burton and Brett Longworth, 01:07 Josh Burton, 03:27 Josh Burton, 04:05 Anne Cruz.

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Hybrid Gas Ion Source Development

Hybrid Gas Ion Source Development

NOSAMS has installed a hybrid gas ion source from NEC as the final stage in upgrading the NOSAMS Tandetron AMS system (USAMS). This source can run either graphite samples or carbon dioxide (CO2). Earlier stages of this upgrade included replacing the original simultaneous (recombinator) injector with a sequential (bounced) injection system of our own design…

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Frenkel ’16 Paper on Deep Sea Coral Published in Academic Journal Archives

Frenkel is the lead author on a paper recently published in the journal Deep Sea Research I. Research for her paper, “Quantifying bamboo coral growth rate nonlinearity with the radiocarbon bomb spike: A new model for paleoceanographic chronology development,” was done with the help of co-author Hannah Miller ’17; LaVigne served as senior author. Also…

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2017 Newsletter

Dear Friends of NOSAMS, I am writing to give you a brief NOSAMS news update.  First, we have not raised rates for 2017, which means that sample fees have remained constant for the past four years.  We are presently returning results in less than one month, so this is an excellent time to submit your…

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Rapid Extraction of Dissolved Inorganic Carbon System

Rapid Extraction of Dissolved Inorganic Carbon System

We have developed a new system to efficiently extract dissolved inorganic carbon (DIC) from seawater and groundwater samples. REDICS uses a gas-permeable polymer membrane contractor to extract the DIC from an acidified water sample in the form of carbon dioxide (CO2), introduce it to a helium gas stream, cryogenically isolate it, and store it for…

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NOSAMS Newsletter- 2016

Dear Friends of NOSAMS, -I am writing to let you know that we have not raised our rates for 2016, which means that our sample fees have remained constant for the last three years.  In addition, our turnaround-time is presently below one month, an all-time low, so this is an excellent time to submit your…

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