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Argo status and issues for OOPC-12 May 2007

Argo status and issues for OOPC-12 May 2007. The array. April 10 2007 2851 floats - 95%. The data. April 2007 55% DMQC. Instrumentation. • Lithium batteries • Iridium • Beached float recovery • New float models. Collaboration. • 24 countries contribute floats - Kenya next

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Argo status and issues for OOPC-12 May 2007

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  1. Argo status and issues for OOPC-12 May 2007

  2. The array April 10 2007 2851 floats - 95% The data April 2007 55% DMQC

  3. Instrumentation • Lithium batteries • Iridium • Beached float recovery • New float models Collaboration • 24 countries contribute floats - Kenya next • Many more (inc. Mozambique, South Africa, Iceland. Indonesia) assist with deployments. • Entraining more - Euro Argo (Greece, Malta, Portugal, Poland, Romania, Bulgaria)

  4. Issues The array Hemispheric imbalance Move 280 floats from N to S

  5. Standard error of estimate 0-750m ocean heat content Research ships Using Argo XBTs Argo 1960 1970 1980 1990 2000 Issues Data quality - a cautionary tale - I Lyman, Willis and Johnson, GRL 2006

  6. Issues Data quality - a cautionary tale - II No Argo data All data minus FSI Solo All data All Argo minus FSI Solo Data quality control must always be a high priority area

  7. More issues Sustained maintenance phase • Funding - 3000 floats is only the first key step - sustained funding needed (make the case nationally) - infrastructure • Maintaining the array - sustained funding - need to extend float lifetime - deployment opportunities • Calibration and quality - reference data sets - link RT and DM QC • Dialogue with users • When will it end? - 5 years of 3000±250 floats

  8. More issues Sustained maintenance phase • New sensors - dissolved oxygen (Friends of oxygen) - positive - more resources - bigger user community - negative - EEZ issues • Educational outreach - Euro Argo • Pilot programme for how long?

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