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Quality control and dissemination of real time data methodology and advanced available technological

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Pre-operational data management TOGA-WOCE-CLIVAR Global ... (Mercator, Soprane) tmsi march 2000. 7. coriolis. a provor cycle. descending profile. 10 hours ... – PowerPoint PPT presentation

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Title: Quality control and dissemination of real time data methodology and advanced available technological


1
Quality control and dissemination of real time
data - methodology andadvanced available
technological tools the Coriolis data
centreexperience Gilbert Maudire, Loïc Petit de
la Villéon, Catherine MaillardSEAMER 2000

2
Pre-operational and Operational Oceanographic
Programmes
  • Pre-operational data management TOGA-WOCE-CLIVAR
    Global Subsurface Data Centre
  • CORIOLIS-ARGO real-time data processing
  • Pommier, Pomme
  • GYROSCOPE (Atlantic)
  • MFSPP (Mediterranean)

3
New Questions Asked
  • Access to observational data of temperature
    within 12 hours after their production
  • Access to other types of data within 48 hours
    within their production
  • Access to statistics, gridded data, combinations
    with delayed mode data, graphs, maps and products
  • Assess a standardised level of quality to the
    data

4
Sensors currently producing time data
  • Lagrangian profilers PROVOR, APEX..
  • XBt, Xctd
  • Thermosalinographs

5
CORIOLIS Data Centre
  • to process European floats
  • provor
  • other floats
  • to combine various in-situ measurements
  • to insure interoperability with argo data centres
  • data formats
  • common quality procedures
  • real time data exchanges
  • to gather global data sets for European users
  • Partners IFREMER, SHOM, IRD (ORSTOM),
    METEO-FRANCE, CLS-ARGOS

6
data centre functions
Interoperability with argo
gts (meteo-france)
control data quality controltechnical monitoring
of equipments
WWW (full data set)
data collect mail internetgtscd-rompaper...
data base (RDBS)catalogue - archive
models (Mercator, Soprane)
disseminationpublic / private
mailmailing lists
productsgraphics and chartsstatisticsanalyses
cd-romor other supporton request
quality insurance for exploitation
hardware software management - backup
7
a provor cycle
surface drift profile10 hours of argos
transmission
descending profile10 hours
ascending profile5 hours
immersion drift profile5 to 15 days
8
provor incoming data
argos
internet
ifremer
cls-argos ads service
mail
data processing store the message check the
address sender generate the cycles activate
decoding
  • internet mail major issues
  • data processing naturally performed  on the fly
  • data integrity (no loss or errors on data)
  • smtp protocol includes re-transmission in case of
    trouble
  • strategic service for ifremer
  • standard service from telecom operators

9
quality control
  • complies with international recommendations
  • IOC, ICES, MAST
  • two levels
  • automatic control
  • visual control for dubious profiles
  • gtspp quality flag scale

10
quality control
qc1
qc2
11
provordecoded cycle ascii file
Provor profiler ltIdentificateur flotteur
PROVORgt Float cycle ltn de cyclegt Descending
vertical profile Date yyyy-mm-dd hh24mi
(QC9), Estimated position ltLatitudegt, ltLongitud
egt (QC9) Date Time Pressure
Temperature Conductivity Salinity (yyyy-mm-dd)
(hh24mi) (dBar) (C) (mS/cm)
(P.S.U.) 1999/10/07 2358 2
27.52 44.90 1999/10/08 0004 56
18.21 44.81 Ascending vertical
profile Date yyyy-mm-dd hh24mi (QC9),
Estimated position ltLatitudegt, ltLongitudegt
(QC9) Date Time Pressure
Temperature Conductivity Salinity (yyyy-mm-dd)
(hh24mi) (dBar) (C) (mS/cm)
(P.S.U.) 1999/10/15 1030 3980 2.52
44.90... 1999/10/15 1040 2378
5.21 44.81 Immersion drift Date
ltHeure de fin de descentegt Date Time
Pressure Temperature Conductivity
Salinity (yyyy-mm-dd) (hh24mi) (dBar) (C)
(mS/cm) (P.S.U) 1999/10/08
0455 1200 2.22... Surface drift Date
Time Latitude Longitude
Position quality Surface temperature (yyyy-mm-dd)
(hh24mi) (HDD MI.mmm) (HDD MI.mmm) (Argos
scale) (C)
Technical status Probes Internal time
hh24 mi Pressure offset 99.99 dBars
Internal pressure 99.99 dBars CTD drift
measurements 999 Engineering Valve
motions Surface 99, Descending 99
Pump motions Surface xx, Descending
xx, Immersion xx First stabilization
dd/mm Data reduction Descending profile
PRSEP 9999 dBars, NTS
9999, ETS 9.99C, NCS 9999, ECS
9.99 mS/cm NTF 9999, ETF 9.99C,
NCF 9999, ECF 9.99 mS/cm
Ascending profile PRSEP 9999
dBars, NTS 9999, ETS 9.99C,
NCS 9999, ECS 9.99 mS/cm NTF
9999, ETF 9.99C, NCF 9999, ECF
9.99 mS/cm Transmission Received frames
9999, complete 9999, CRC OK 9999, recombined
frames 9999 Positionning Class 1
9999, Class 2 9999, Class 3 9999, Rejected
locations 9999
12
formats
  • dissemination
  • ascii medatlas/coriolis
  • binary netcdf
  • gts/tesac
  • others on request (gtspp, tsdc)
  • data collect
  • provor, sippican mk12
  • gts (bathy, tesac)
  • gtspp
  • medatlas/coriolis

13
provor on the web
www.ifremer.fr/coriolis
14
provor in pommier area
15
interactive map on the web
16
provor temperature map
17
atalante xbt and ts data processing
quality control
gtsdissemination
coriolis data base oracle8derived from
toga/woce
webinterface
mail inmarsat
atalante
uploading
disseminationto models
18
tables of coriolis data-base
provor-config pr_plateform_code pr
_type pr_version pr_crc_type pr_cycle_period pr_im
mersion_drift_period pr_launch_datetime pr_launch_
latitude pr_launch_longitude pr_reference_datetime
pr_reference_internal_date pr_probe_code pr_exper
iment_id
temp-vproftvp_station_id tvp_immersion tvp_value
tvp_value_qc
plateform pl_plateform_code pl_plateform_name pl_p
lateform_nodc_code pl_plateform_type pl_institutio
n_code
temp-vprof-headertvh_station_id tvh_profile_qc tv
h_level_number tvh_max_level tvh_digitization tvh_
validation
recorder re_recorder_code re_recorder_description
probe pb_probe_code pb_probe_description pb_speed_
coef_a pb_speed_coef_b
psal-vprof pvp_station_id pvp_immersion pvp_value
pvp_value_qc
psal-vprof-header pvh_station_id pvh_profile_qc p
vh_level_number pvh_max_level pvh_digitization pvh
_validation
station st_station_id st_station_type st_station_d
ate st_date_qc st_station_latitude st_station_long
itude st_position_qc st_ocean st_marsden st_experi
ment_id st_station_number st_plateform_code st_pla
teform_motion st_plateform_nodc_flag st_institutio
n_code st_institution_gtspp_flag st_archiving_date
st_probe_code st_recorder_code st_archiving_statu
s st_dupliate_flag st_duplicate_station_id st_natu
re st_qc_status
provor_programming pg_plateform_code pg_prog_pa
rameter pg_prog_value
cndc-vprofcvp_station_id cvp_immersion cvp_value
cvp_value_qc
cndc-vprof-headercvh_station_id cvh_profile_qc cv
h_level_number cvh_max_level cvh_digitization cvh_
validation
provor_tech_parametertp_tech_parameter tp_descrip
tion tp_programing tp_status
2
2
immersion_driftid_plateform_code id_cycle_number
id_start_station_code id_end_station_code id_date_
time id_date_qc id_latitude id_longitude id_locati
on_qc id_immersion id_immersion_qc id_temperature
id_temperature_qc id_conductivity id_conductivity_
qc id_salinity id_salinity_qc
surface_drift sd_plateform_code sd_cycle_numbe
r sd_start_station_code sd_end_station_code sd_dat
etime sd_date_qc sd_latitude sd_longitude sd_locat
ion_class sd_location_qc sd_temperature sd_tempera
ture_qc sd_conductivity sd_conductivity_qc sd_sali
nity sd_salinity_qc
provor_tech_status pg_plateform_code pg_cyc
le_number pg_prog_parameter pg_prog_value
beaconsbc_beacon_code bc_plateform_code
19
provor cycling
cycle period
cycle period
launching
reference date
reference date 1 period
argos
argos
argos
cycle 0 does not match the period
cycle 1
cycle 2
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