Award: OCE-0928612

Award Title: U.S. GEOTRACES North Atlantic Section: CFC and SF6 Measurements
Funding Source: NSF Division of Ocean Sciences (NSF OCE)
Program Manager: Donald L. Rice
DatasetLatest Version DateCurrent State
Concentrations of CFC-11, CFC-12, CFC-113 and SF6 in seawater from R/V Knorr KN199-04 (GT10), KN204-01 (GT11) in the subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project)2014-06-16Final no updates expected
The fraction of water last ventilated in a given region regardless of the time elapsed since ventilation (in practice, younger than 4000 years) based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-20112020-05-06Final no updates expected
The fraction of water last ventilated in a given region in a time less than or equal to 160 years ago based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-20112020-05-07Final no updates expected
The fraction of water last ventilated in a given region in a time less than or equal to 39 years ago based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-20112020-05-07Final no updates expected
Mean ventilation age reported for 7 regions of the Atlantic based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-2011 2020-05-07Final no updates expected

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Principal Investigator: William M. Smethie (Columbia University)

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