Dissolved Oxygen

Reference Designator
CE06ISSM-MFD37-03-DOSTAD000
Start Depth
29
End Depth
29
Location
Multi-Function Node
Current Status
Operational
Class
DOSTA (Dissolved Oxygen Stable Response)
Series
DOSTA-D
Science Discipline
Chemical
Make
Aanderaa
Model
Optode 4831
M2M Example
https://ooinet.oceanobservatories.org/api/m2m/12576/sensor/inv/CE06ISSM/MFD37/03-DOSTAD000/metadata
Method Data Stream Content Type
recovered_host dosta_abcdjm_ctdbp_dcl_instrument_recovered Data Products (DCL) Report M2M Stats Science
recovered_inst dosta_abcdjm_ctdbp_instrument_recovered Data Products Report M2M Stats Science
telemetered dosta_abcdjm_ctdbp_dcl_instrument Data Products (DCL) Report M2M Stats Science
Deployment Cruise Start Date Stop Date Mooring Asset Node Asset Sensor Asset Latitude Longitude Deployment Depth Water Depth
1 OC1410A 10/07/2014 04/10/2015 CGMCE-06ISSM-00001 CGINS-DOSTAD-00221 47.1167 -124.268 30
2 OC1503D 04/10/2015 10/13/2015 CGMCE-06ISSM-00002 CGINS-DOSTAD-00313 47.1311 -124.272 29
3 OC1510A 10/13/2015 05/06/2016 CGMCE-06ISSM-00003 CGINS-DOSTAD-00484 47.1333 -124.271 29
4 TN-342 05/06/2016 09/24/2016 CGMCE-06ISSM-00004 CGINS-DOSTAD-00135 47.135 -124.273 29
5 AT37-03 09/27/2016 04/15/2017 CGMCE-06ISSM-00005 CGINS-DOSTAD-00483 47.1336 -124.272 29
6 SKQ201704S 04/13/2017 10/05/2017 CGMCE-06ISSM-00006 CGINS-DOSTAD-00313 47.1341 -124.272 29
7 SKQ201715S 10/05/2017 CGMCE-06ISSM-00007 CGINS-DOSTAD-00479 47.1346 -124.272 27 29
Metadata Start Date End Date Comment
CE06ISSM
10/7/14 10/1/16

All of the inshore surface moorings suffer from an issue called the 'top of the day problem.'

A race condition exists in the CPM firmware when transferring daily log files harvested from the various sub-components in a buoy system (e.g. DCL16, CPM3, DCL35, etc) over the Iridium RUDICS connection. The primary CPM rsync's data files from the various sub-components to a central data directory. The first time a daily file is created/copied into that directory (usually shortly after midnight), a compressed copy of the file is created and that compressed file is queued up in a separate text file for transmission to shore. The transfer routine reads that text file and processes the files from that list in order from top to bottom.

Once that compressed file is transferred to shore, no further updates for that file are sent to shore. Meanwhile, the CPM continues to rsync data from the different sub-components, updating the original daily log file.

The net result is that data is accumulating in the daily log file for an instrument, but we may see only one record (or none) depending on when the rsync job occurred and the compressed file was created and staged for transfer to shore.

This affects telemetered data only.

By Mike Smith, on 7/11/16
Redmine Issue #8151

CE06ISSM
7/27/16 10/4/16

Correcting the iridium data telemetry issues, permitting full telemetry of data files, resulting in greater power consumption than anticipated. Result is power level of the battery pack has dropped below operational limits and subsystems can no longer power instruments. Shutting the mooring down, and placing in a low power maintenance mode.

11 instruments offline.

Will need to recover and redeploy new mooring during Fall 2016 cruise

By Mike Smith, on 8/11/16
Redmine Issue #10927

CE06ISSM
Deployment: 5
1/1/17 4/23/17

The buoy main battery voltage is being drawn down faster than expected. Have shutdown further power to DCL17 and to the OPTAA on DCL16. This takes the following instruments offline:

DCL17
MOPAK
CTDBP (with attached FLORT)
VELPT
ACOMM
OPTAA

---------------

Have had to power off DCL17 and DCL16 and reduce call in frequency to 12 hours. Will still (at least should) receive data from MFN.

Instruments affected are:

DCL17 (Buoy)
MOPAK
CTDBP3 (with FLORT)
VELPT1
UCSPP (aka ACOMM)

DCL16 (NSIF)
CTDBP1 (with DOSTA) (should internally log)
FLORT
PCO2W1 (should internally log)
PHSEN1 (should internally log)
OPTAA1
NUTNR (should internally log)
SPKIR
VELPT2 (should internally log)

By Mike Smith, on 1/30/17
Redmine Issue #11810

CE06ISSM
Deployment: 7
Asset: CGMCE-06ISSM-00007
Status: Not Operational
10/3/17 4/2/18

CE06ISSM-MFD37-06-CAMDSA

CAMDS not serviced by vendor in time for deployment

By Mike Smith, on 12/6/17
Redmine Issue #12981

CE06ISSM-MFD37-03-DOSTAD000
Deployment: 7
Asset: CGINS-DOSTAD-00479
Status: Open Issue
10/5/17 4/15/18

A recent routine control check of the O2 reference sensors, used for multipoint calibration of oxygen Optodes by the manufacturer, revealed a deviation with respect to accuracy. Regrettably this led us to conclude that all new and newly repaired multipoint calibrated oxygen optodes delivered from Aanderaa Norway between January 4th 2017 and October 20th 2017 are outside of specification.

3 Endurance DOSTAs are affected, two have been deployed.

478 - in inventory, will be sent back to Norway
479 - currently deployed on ce06issm mfn.
483 - currently deployed on ce01issm mfn.

By Mike Smith, on 1/18/18
Redmine Issue #13080

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