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| Note | ||
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Please note: The system runs continuously during all cruises. Support is given by the board electricians. Plaease ask them if you need specific info, or contact the responsible AWI scientist. |
Summary
| Sensorweb integration | ||||||||||||||||||||||||||||||||||
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| Manufacturer | General Oceanics |
|---|---|
| Model | Model 8050 pCO2 |
| Serial No. | n/a |
| Type | pCO2 Sensor |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred-Wegener-Institute | Data Scientist |
| Steven van Heuven | University of Groningen | Engineer In Charge |
| Origin Description: | no xyz-position given, device located in G707 |
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| preliminary pCO2 | pCO2 | µatm |
| Type | index | unknown |
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
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| Sensorweb integration | ||||||||||||||||||||||||||||||||||||||
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| The Model 8050 pCO2 Measuring System is an autonomous analytical system for online measurement of the mixing ratio (partial pressure) of carbon dioxide in oceanic surface water and in the marine atmosphere.||||||||||||||||||||||||||||||||||||||
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
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| Sensorweb integration | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Manufacturer | General Oceanics |
|---|---|
| Model | Model 8050 pCO2 |
| Serial No. | n/a |
| Type | pCO2 Sensor |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred-Wegener-Institute | Data Scientist |
| Steven van Heuven | University of Groningen | Engineer In Charge |
| Origin Description: | no xyz-position given, device located in G707 |
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| preliminary pCO2 | pCO2 | µatm |
| Type | index | unknown |
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
Contacts
| Sensorweb integration | |||||||||||||||||||||||||||||||||||||||||||
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| Manufacturer | General Oceanics | ||||||||||||||||||||||||||||||||||||||||||
| Model | Model 8050 pCO2 | ||||||||||||||||||||||||||||||||||||||||||
| Serial No. | n/a | ||||||||||||||||||||||||||||||||||||||||||
| pCO2 Sensor |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred - Wegener - Institute | Data Scientist |
| Steven van Heuven | University of Groningen | Engineer In Charge |
| Origin Description: | no xyz-position given, device located in G707 |
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| preliminary pCO2 | pCO2 | µatm |
| Type | index | unknown |
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
| Manufacturer | subCtech GmbH |
|---|---|
| Model | OceanPack SAE pCO2 Analyzer |
| Serial No. | n/a |
| Type | pCO2 Sensor |
| , Helmholtz Centre for Polar and Marine Research | Principal Investigator, | |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred-Wegener-Institute | Principal Investigator |
| Mario Hoppema | Alfred-Wegener-Institute | Data Scientist |
| Thomas Liebe | F. Laeisz | Engineer In Charge |
Components
| Metadata (Metadata Plugin) | ||
|---|---|---|
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The system consists of a flow-through unit for CO2 extraction at a membrane and CO2 detection by a Li-cor Infra Red (IR) analyser. The instrument reports "mole fraction of CO2 in wet air [ppm]". Values of "pCO2 [µatm] can only be obtained with shore-based data processing. | ||
Position
| Sensorweb integration | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| |||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Model 8050 pCO2 Measuring System is an autonomous analytical system for online measurement of the mixing ratio (partial pressure) of carbon dioxide in oceanic surface water and in the marine atmosphere.
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
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Data logging, storage and archiving
Logged parameters
| Sensorweb integration | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| SBE38 Manual (User Manual, 477 kB) ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Model 8050 pCO2 Measuring System is an autonomous analytical system for online measurement of the mixing ratio (partial pressure) of carbon dioxide in oceanic surface water and in the marine atmosphere.
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
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Central geographical ship's position and time standard
| Metadata (Metadata Plugin) | ||||
|---|---|---|---|---|
| Time synchronising is regulated via DShip.
Geographical ship's position via DShip.||||
Rawdata storage on board
| Metadata (Metadata Plugin) | ||
|---|---|---|
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Data storage in the instrument itself and in the DShip system.
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Dship
| Metadata (Metadata Plugin) | ||||
|---|---|---|---|---|
| Uncorrected measurement data.||||
| Metadata list |
|---|
|| Device name | OceanPack pCO2 Analyzer ||
|| Parameters| xCO2 (air) \[ppm\]; xCO2 corrected (water) \[ppm\]; CO2 concentration\[mmol/m3\]; pressure difference (membrane; licor) \[mbar\]; xH2O (air) \[ppt\]; H2O concentration \[mmol/m3\]; xCO2 dry \[µmol/mol\] || |
Data archiving on land
| Metadata (Metadata Plugin) | ||
|---|---|---|
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After the cruise the (uncorrected) DShip data set can be extracted from https://dms.awi.de.
Data must be corrected before final use. Corrected data can only be obtained after on land processing. | ||
| Metadata list |
|---|
|| File format(s) | stored in DShip system ||
|| Calibration certificates | NO || |
Documentation
| Sensorweb integration | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Manufacturer | General Oceanics |
|---|---|
| Model | Model 8050 pCO2 |
| Serial No. | n/a |
| Type | pCO2 Sensor |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred-Wegener-Institute | Data Scientist |
| Steven van Heuven | University of Groningen | Engineer In Charge |
| Origin Description: | no xyz-position given, device located in G707 |
- pCO2 General Oceanics datasheet (Factsheet, 117 kB)
The OceanPack Sea-Air-Exchange system measures the partial pressure of CO2 (pCO2) in seawater using membrane equilibration and Li-cor IR analyser for CO2 detection. The instrument reports mole fraction of CO2 in wet air in ppm. Values of pCO2 in microatm can only be obtained with shore-based data processing.
| Manufacturer | subCtech GmbH |
|---|---|
| Model | OceanPack SAE pCO2 Analyzer |
| Serial No. | n/a |
| Type | pCO2 Sensor |
| Name | Institution | Role |
|---|---|---|
| Mario Hoppema | Alfred-Wegener-Institute | Principal Investigator |
| Mario Hoppema | Alfred-Wegener-Institute | Data Scientist |
| Thomas Liebe | Laeisz | Engineer In Charge |
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| CO2 air | CO2 | ppm |
| CO2 corrected water | CO2 | ppm |
| H2O air | wet bulk density | ppt |
| H2O density | wet bulk density | mmol/m^3 |
| xCO2 dry | CO2 | µmol/mol |
| CO2 density | CO2 | mmol/m^3 |
- Factsheet: pCO2 Analyser on R.V. Polarstern (Article, 37 kB)
Factsheet for pCO2 Analyser on board of R.V. Polarstern - OceanPack RACK MK-2 datasheet (Factsheet, 325 kB)
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