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International particulate trace metal intercalibration Workshop for GEOTRACES

24 March 2013 - 25 March 2013

International particulate trace metal intercalibration Workshop for GEOTRACES
Dates: March 24-25, 2013
Location: University of Hawaii in Honolulu

A summary of the minutes is available to download.

List of participants

In person participants:

– Andrew R Bowie, University of Tasmania, Australia
– Martin Fleisher, Lamont Doherty Earth Observatory, USA
– Tung-Yuan Ho, Academia Sinica, Taiwan
– Phoebe Lam, Woods Hole Oceanographic Institution, USA
– Maeve Lohan, University of Plymouth, UK
– Simone Metz, National Science Foundation, USA (Monday only)
– Brad Moran—NSF, USA (Monday AM only)
– Peter Morton, Florida State University, USA
– Torben Stichel, University of Hawaii, USA

Remote participants:

– Rob Sherrell, Rutgers University, USA (Sunday only)
– Ben Twining, Bigelow Laboratory for Ocean Sciences, USA (Sunday afternoon and Monday)
– (A. Roychoudhury, Stellenbosch University, South Africa, unable to participate due to breakdown of SEACom underwater cable connecting broadband in Africa)


The agenda will break down roughly as follows:

Sunday — Presentations and discussions of what has already been done (past particle intercalibrations; update on marine particle SRMs)
Monday — Focus on logistics and details of the next round of particulate intercalibration

Some topics for discussion:

– Discuss lessons learned in past intercalibrations and how to improve
– Come up with a list of likely participants (figure out how much material we’d need at a minimum)
– Include major particle composition and mass as part of the intercalibration
– Discuss sample options (eg. Mediterranean GEOTRACES; WHOI dock; Phoebe Lam’s sample archive; …)
– Which (if any) Standard/Certified Reference Materials, and how much?
– Distribution of sample digests, filter pieces, or both?
– Come up with a list of desired measurements, units to report, replication, methods allowed, digestions, …
– Include weak acid leaches?
– Determine evaluation criteria
– Come up with a timetable, and figure out who does what

Other information

A summary of the minutes is available to download.


24 March 2013
25 March 2013
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