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Long-Term Oceanographic Measurements in Brazil : Characteristics and Perspectives

2012 ROMS/TOMS User Workshop. Long-Term Oceanographic Measurements in Brazil : Characteristics and Perspectives. Rogério Candella IEAPM. Long-Term Oceanographic Measurements. PIRATA Program (Pilot Research Moored Array in the Tropical Atlantic)

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Long-Term Oceanographic Measurements in Brazil : Characteristics and Perspectives

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  1. 2012 ROMS/TOMS User Workshop Long-TermOceanographicMeasurements in Brazil: Characteristicsand Perspectives Rogério Candella IEAPM

  2. Long-TermOceanographicMeasurements • PIRATA Program (Pilot Research Moored Array in the Tropical Atlantic) • About 16 buoys in the equatorial region • In the southeastern Atlantic portion • Long time series only for sea level • One long time series for sea temperature (not collected for scientific purposes)

  3. Temperature of water used for cooling machinery of the Companhia Nacional de Álcalis, Arraial do Cabo, RJ

  4. Sealevelmeasurements • - Oldeststation still in activity – Cananéia/SP since 1954 • - Longestcontinuous series – Cananéia/SP from 1954 to 1995 • - Improvementdata quality → Progam GLOSS-Brasil

  5. -Currently, 17 tidestations, 11 fromotherinstitutionsthantheBrazilianNavy. • Ilha Fiscal • From 1955 to 2007 → analogicalgauge • From 2007 tonow → radar basedtechnology

  6. Ilha Fiscal - 2010

  7. Ponta do Céu – AP • Amazon River • Radar basedgauge

  8. Tide Gauge – Arraial do Cabo, RJ

  9. LowFrequencyMeteorologicalEffects – May, 2001

  10. Digital Gauges • - Ultrasonic • - Radar

  11. High Frequency Meteorological Effect – Meteotsunami September 2002

  12. PNBOIA (OceanographicBuoyNationalPlan) Four (three) fixedbuoysoperating. Freeaccessto data http://www.mar.mil.br/dhn/chm/meteo/prev/dados/dados.htm Two more buoysdeployed (northeastcoast). Two more buoystobelaunched in thenextyear. Program in a verybeginningstage. Problemswithdepredationandlogistics.

  13. PROGRAMA GOOS –BRASIL: Brazilian System ofOceanandClimateObservation GOSS– Sistema Global de Observação dos Oceanos MooredBuoy ATLAS GLOSS – Global SeaLevelObserving System ISABP InternationalSouthAtlanticBuoyProgram DBCP Data BuoyCooperationPanel 06 tidegauges 59 driftingbuoys 08 ATLAS buoys 03 Axys 3M buoys DirftingBuoy GTMBA - Global Tropical MooredBuoyArray MooredBuoy3M

  14. SIODOCEnvironmental Data Collection for the Defense Project Deployment of a meteo-oceanographic buoy fully equipped. 60-m depth, in the upwelling area of Arraial do Cabo. Free access to data

  15. Conclusions • Very few long-time oceanographic series in the Western South Atlantic, turning unfeasible comparisons with climatological results from models. • Some new attempts to fill this gap, but still in early stages. • Main problems related to logistics, depredation and maintenance. • Results can be used to indicate anomalous events, which could be explained in other spatial scales, by numerical modeling.

  16. Thank you for your attention rcandella@gmail.com

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