Nutrient data analyzed from water samples collected as part of the 2016 Greenedge project.
| Column | Type | Label | Description | Units | Media type | Result Value Type | Statistic Applied |
|---|---|---|---|---|---|---|---|
| project_name | text | Project_name | Name of project data was collected under. |
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| platform_name | text | Platform_name | Name of vessel from which data was collected |
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| Cruise | text | Cruise | Cruise identifier |
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| Station | text | Station | Station identifier |
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| sample_date | timestamp | Sample Date, ISO 8601 format | Sample date in ISO 8601 format |
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| latitude (degrees_north) | numeric | Latitude, decimal degrees | Latitude in decimal degrees. |
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| longitude (degrees_east) | numeric | Longitude, decimal degrees | Longitude in decimal degrees (-180 to 180) |
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| Longitude_east (degrees_east) | numeric | Longitude_east, decimal degrees | Longitude in decimal degrees (0 to 360) |
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| Cast | numeric | Cast | Cast #number for each CTD/rosette deployment; Increases as cruise progresses. May be more than one cast per station. |
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| Bottle | numeric | Bottle | The number of the niskin bottle sampled. There are 24 niskin-type bottles on the rosette, so this value will be between 1 and 24 |
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| depth (m) | numeric | Bottom_Depth_m, metres | The depth of the sea floor at each station. |
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| sample_depth_m (m) | numeric | Depth, metres | The depth at which the sample was collected. |
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| NO2_um_l (um/l) | numeric | Nitrite (No2), um/L | Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase]. Units are in umol/L |
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| NO2_result_value_qualifier | text | Nitrite result value qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| NO3_um_l (um/l) | numeric | Nitrite (No3), um/L | Concentration of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [unknown phase]. |
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| NO3_result_value_qualifier | text | Nitrate result value qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| SiOx_um_l (um/l) | numeric | Silicate (SiOx), um/L | Concentration of silicate {SiO44- CAS 17181-37-2} per unit volume of the water body [unknown phase] |
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| SiOx_result_value_qualifier | text | Silicate result value qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| PO4_Filt_um_l (um/l) | numeric | Phosphate (PO4), um/L | Concentration of phosphate {PO43- CAS 14265-44-2} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] |
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| PO4_Filt_result_value_qualifier | text | Phosphate result value qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| NH4_um_l (um/l) | numeric | Ammonium (NH4), um/L | Concentration of ammonium {NH4+ CAS 14798-03-9} per unit mass of the water body [unknown phase] |
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| NH4_result_value_qualifier | text | Ammonium Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| DissInorgN_um_l (um/l) | numeric | Dissolved Inorganic Nitrogen (DissInorgN), um/L | The sum of all measured species of inorganic nitrogen – nitrate + nitrite+ ammonium |
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| DissInorgN_result_value_qualifier | text | Dissolved Inorganic Nitrogen Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| Type | text | Type | |||||
| o_18O_Per_mille (mille) | numeric | Oxygen -18 (O18), um/L | Stable oxygen isotope ratio measurement. Samples were analyzed using the CO2 equilibration method. The CO2 was then analyzed on a mass spectromoter in dual inlet mode with an AquaPrep system. For each analytical sequence two internal reference water samples were used to normalize the sample data. |
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| o_18O_result_value_qualifier | text | Oxygen -18 Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| DIC_um_l | numeric | Dissolved inorganic carbon (DIC), um/L | Total dissolved inorganic carbon (TCO2) concentration in the water column |
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| DIC_result_value_qualifier | text | Dissolved inorganic carbon Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| TotAlk_l_um_l (um/l) | numeric | Total Alkalinity (TotAlk_l), um/L | Total alkalinity per unit volume of the water body. |
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| TotAlk_l_result_value_qualifier | text | Total Alkalinity Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |
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| SalinomSal_psu (PSU) | numeric | Salinity, Practical salinity units (PSU) | Salinity of the water body by bench salinometer. Measured from a bottle seawater sample using an Autosal 8400B on-board the Amundsen |
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| SalinomSal_result_value_qualifier | text | Salinity Result Value Qualifier | The result value qualifier is used if there is no value in the variable field. The codes for the result value qualifier can be found in the CanWIN controlled vocabulary document. |