pCO2 Water

Reference Designator
CP04OSSM-MFD35-05-PCO2WB000
Review Status
Review Complete
Note
Data generally look suspect for many deployments because of the high percentage of values outside of global ranges - did not calculate final data ranges.
Depth
450m
Class
PCO2W (pCO2 Water)
Make / Model
Sunburst / SAMI-pCO2

Dataset Reviews Last processed:

QC Check Info
Dep. Preferred Method Stream DD FD SG EG Gaps GD TS Rate (s) Pressure Comp. Time Order Valid Data Missing Data Data Comp. Missing Coords. Review
1 recovered_inst pco2w_abc_instrument / Complete
2 recovered_host 168 3 0 164 0 0 34 3,599 442 / 1 Complete
5 recovered_host 240 5 0 234 0 0 47 7,199 450 / 1 Complete
6 recovered_host 150 22 0 127 0 0 422 3,599 443 / 1 Complete
7 telemetered 153 105 0 47 0 0 2,213 3,600 452 / 2 2 1 Complete
Data Ranges Review Images

Test Notes

  1. missing: ['pressure']
  2. no other streams for comparison

Data Coverage

Deployment: 12567
69%
2%2%15%

Lat/Lon Differences (km)

Deployment: 12567
2 0.00
5 0.820.00
6 0.200.910.00
7 0.750.080.840.00

System Annotations

Metadata Start Date End Date Comment
CP04OSSM-MFD35-05-PCO2WB000
Method: telemetered
Stream: pco2w_abc_dcl_instrument
12/12/14, 4:47 PM 1/9/19, 7:00 PM

* UPDATED, 2019-01-25: After careful review, the original data product algorithm (pco2_pco2wat) for this sensor was found to contain an error that resulted in calculation of incorrect derived L1 pCO2 values. In consultation with the vendor, the algorithm has been corrected, verified, and uploaded to the OOI system. This update, effective 2019-01-10, applies to all deployments for this sensor. All derived L1
pCO2 data products generated prior to this date should be re-requested in order to ensure utilization of the correct algorithm. The updated algorithm can be viewed at https://github.com/oceanobservatories/ion-functions/blob/master/ion_functions/data/co2_functions.py. * Until further notice, derived L1 pCO2 data products from this sensor are incorrect and should not be used. A significant discrepancy has been uncovered between the pCO2 values from shipboard water samples vs. values calculated by OOI system. The pco2_pco2wat algorithm is under review and can be viewed at https://github.com/ooici/ion-functions/blob/master/ion_functions/data/co2_functions.py. To receive instant notification of updates to the code, add yourself as a watcher to the GitHub repository linked above. For further questions please email help@oceanobservatories.org.

Id: 293 By: friedrich.knuth

CP04OSSM-MFD35-05-PCO2WB000
Method: recovered_host
Stream: pco2w_abc_dcl_instrument_recovered
12/12/14, 4:47 PM 1/9/19, 7:00 PM

* UPDATED, 2019-01-25: After careful review, the original data product algorithm (pco2_pco2wat) for this sensor was found to contain an error that resulted in calculation of incorrect derived L1 pCO2 values. In consultation with the vendor, the algorithm has been corrected, verified, and uploaded to the OOI system. This update, effective 2019-01-10, applies to all deployments for this sensor. All derived L1
pCO2 data products generated prior to this date should be re-requested in order to ensure utilization of the correct algorithm. The updated algorithm can be viewed at https://github.com/oceanobservatories/ion-functions/blob/master/ion_functions/data/co2_functions.py. * Until further notice, derived L1 pCO2 data products from this sensor are incorrect and should not be used. A significant discrepancy has been uncovered between the pCO2 values from shipboard water samples vs. values calculated by OOI system. The pco2_pco2wat algorithm is under review and can be viewed at https://github.com/ooici/ion-functions/blob/master/ion_functions/data/co2_functions.py. To receive instant notification of updates to the code, add yourself as a watcher to the GitHub repository linked above. For further questions please email help@oceanobservatories.org.

Id: 302 By: friedrich.knuth

CP04OSSM
Method: telemetered
10/22/15, 3:38 PM 5/13/16, 1:18 PM

Fuel cell impacted available instrument power, so telemetered data are not available or reliable. Recovered data are available for instruments that could record internally.

Id: 1362 By: leila

CP04OSSM-MFD35
10/16/16, 8:00 PM 4/2/17, 9:00 PM

No telemetered data are expected because of ground faults on the seafloor Multi-Function Node. Recovered data are available from instruments recording internally.

Id: 355 By: leila

CP04OSSM-MFD35
Method: telemetered
2/9/18, 1:00 PM 3/29/18, 8:42 AM

Deployment 7: Communication with the MFN instruments was disabled due to intermittent communications over the DSL line.

Id: 937 By: leila
Flag: not_available Exclude: No

CP04OSSM-MFD35
Method: telemetered
5/9/18, 11:00 PM 10/30/18, 10:30 AM

Instruments are presently disabled. Note: Instruments may continue to sample using internal batteries and storage cards.

Id: 1517 By: leila

CP04OSSM
Method: telemetered
1/30/19, 10:00 AM 4/8/19, 7:39 AM

CP04OSSM D00009 buoy broke free and went adrift on 1/30/2019, 1500UTC. All instruments on the MFN ceased telemetry on 1/30/2019 and instruments on the buoy/NSIF continued to sample through 2/1/2019. No more telemetered data expected for this deployment.

Id: 1557 By: cdobson

CP04OSSM-MFD35
5/11/19, 8:00 PM

Deployment 10: Telemetered data from all MFN instruments could be delayed up to 3 days due to a limitation in communications with the MFN.

Id: 1628 By: cdobson

CP04OSSM-MFD35
11/14/19, 7:00 PM

Deployment 11: MFN offline due to high voltage short on 2019-11-15. No telemetered data expected from instruments on the MFN; instruments with external batteries will continue to log internally.

Id: 1821 By: cdobson
Flag: not_operational Exclude: No

Review Notes

Metadata Start Date End Date Comment
CP04OSSM-MFD35-05-PCO2WB000

There are no recovered_inst data available for download for any deployment. According to the ingest csvs, the recovered_inst raw data files are available for deployments 2, and 5-7. These files should be ingested or the datasets should be annotated to explain why the recovered_inst data aren't available.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000

There is no pressure variable in the .nc files. This should be a coordinate.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000

Data generally look suspect for many deployments because of the high percentage of values outside of global ranges. The dataset should be annotated if there is a known issue with this instrument to inform users if all or some data should be considered suspect.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000
Deployment: 1

There are no data available for download for this deployment. According to the ingest csv, the recovered_host raw data files are available (recovered_inst files are not expected). The recovered_host files should be ingested or the dataset should be annotated to explain why the data aren't available.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000
Deployment: 2

There are only 2 days of data and all of the values for pco2_seawater are nans.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000
Deployment: 5

Suspect data - 64% of the values for pco2_seawater are outside of global ranges.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000
Deployment: 6

Suspect data - 100% of the values for pco2_seawater are outside of global ranges.

By Lori Garzio, on 7/25/19

CP04OSSM-MFD35-05-PCO2WB000
Deployment: 7

Suspect data - 92% of the values for pco2_seawater are nans or outside of global ranges.

By Lori Garzio, on 7/25/19

New Note