brazilian nodc visit oct 19 th – 30 th 2009
DESCRIPTION
Brazilian NODC visit Oct 19 th – 30 th 2009. Commander ROSCHER Head of the Brasilian NODC Hidrografer Envoriomental Information Superintendency Brazilian Navy Hydrographic Center – CHM. SUMARY. - DHN / CHM / BNDO Overview - BNDO - BNDO related CHM activities. - PowerPoint PPT PresentationTRANSCRIPT
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Brazilian NODC visit Oct 19th – 30 th 2009
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Commander ROSCHER
Head of the Brasilian NODC
Hidrografer
Envoriomental Information Superintendency
Brazilian Navy Hydrographic Center – CHM
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SUMARY- DHN / CHM / BNDO Overview
- BNDO
- BNDO related CHM activities
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DHN / CHM / BNDO Overview DHN (Directorate of Hydrography and
Navigation) is the military organization of the Brazilian Navy responsible for:
- “... supporting the application of the Naval Power, through activities related with hydrography, oceanography, nautical charting, meteorology, navigation and nautical signalization,
- guarantee the quality of navigation safety in waters over Brazilian duty, and
- supporting brazilian research projects and the ones resulting from internacional compromises”.
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DHN / CHM / BNDO Overview
CHM (Navy Hydrographic Center) is subordinated
to DHN, and technically executes/supervisions the activities of hydrography, nautical charting, oceanography, and meteorology.
BNDO (Banco Nacional de Dados Oceanograficos)
is operated by CHM, and, by force of Governmental Law, acts as the “brazilian NODC”.
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DHN / CHM / BNDO Overview
https://www.mar.mil.br/dhn/dhn/index.html
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BNDOMain system features:
- My-SQL, migrating to SQL Server 2003.- Instalers/source-codes stored in the same server.- Systems run locally, there’s no application server (two-layered model).- NoVersion control.- Only developers access sources.- No Documentation. - Scheduled planning..
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BNDO – DataData in BNDO:
- physics/chemistry of seawater: T, S, P, O, nutrients, and pH;- geology, bottom samples;- tides: heights and harmonic constants;- currents: single point and profiles;- meteorology: includes sea waves data;- bathymetry, magnetometry e gravimetry (format MGD-77);
- others.
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BNDO – Products/Services
Main Products and Sevices offered by BNDO, to public:
- Tide prediction, for a limited number of sites;- Meteorological statistics;- Oceanographical statistics;- Raw data.- Requests must be submitted specifying Marsden sqr/sub sqr.
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BNDO – Main Systems
- Tides: hourly heigths from 1955 on.
- Nautical Signaling;
- Oceanography: (see later);
- Meteorology: coastal and maritime data;
- Generical Consulting: access to almost all the database.
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BNDO - Oceanography
Oceanography system:
- Stores XBT, CTD-O, ADCP, bottle data.- Currently is being used a “test” base,
scheduled to evolve in the near future.
- RAW data (currently).
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BNDO - OceanographyDatabase quality flags:
- 0 undetermined;
- 1 undetermined, but field pre-processed- ; - 2 correct;
- 3 inconsistent;
- 4 doubtfull;
- 5 altered via interpolation;
- 6 altered via inference;
- 7 special feature;
- 9 no value.
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BNDO - Team
Around 20 employees, being:
- 02 DBA / System Manager
- 03 Programers
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CHM – BNDO related Activities
Emphasis on Oceanography:
- Navy data x Other sources
- QC starts well before collecting the data
- Technical Instructions
- Correct calibration / maintenance
- Training at CHM and at sea
- Officers training (at Brazil / Other countries)
- In-cruise pre-processing
- Post-cruise processing
- Feeding of BNDO
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CHM – BNDO related ActivitiesBasic oceanographic data QC. Mainly manual:1) Initial Instructions x Activities executed;2) Forms correctness;3) Errors verification, reprocessing;4) Intercomparisom: CTD x XBT, CTD x
Autosal, CTDO x Winkler, ...5) Horiz/Vert plotting6) T-S Diagram7) ADCP analysis8) Analisys Report, with recommendations, as
needed (internal only)9) Team of 04 Officers, around 10 employees
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- OCEANOGRAPHIC COMMISSION CONTROL
- National - International
:: NATIONAL OCEANOGRÁPHIC PROGRAM
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17IHO
COI
IODE
ODINCARSA
GOOS
:: DATA EXCHANGE
Oceano Teacher
WMO
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:: Contact
BANCO NACIONAL DE DADOS OCEANOGRÁFICOSTEL.: (21) 2613-8115 / 2613-8112
FAX.: (21) 2613-8115E-mail: [email protected]
HomePage: http://www.mar.mil.br/dhn/bndo
Rua Barão de Jaceguay s/n – Ponta da ArmaçãoNiterói – RJ – CEP: 24.048-900
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Do you have any questions ?
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“There will be always a lot to be done”
(DHN `s moto)
I Really appreciate this opportunity You have given me!