Varela, Diana E (2002): Nutrients, chlorophyll a and nitrogen uptake rates of site P12 (1997-02-25) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.81047
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Related to:
Varela, Diana E; Soon, Maureen; Guo, M; Calvert, Stephen E; Harrison, Paul J (2000): Macronutrient, chlorophyll a and particulate nitrogen and carbon concentrations, and nitrogen uptake rates for the euphotic zone in the NE subarctic Pacific during Canadian JGOFS I (1992-1994) and JGOFS II (1995-1997). JGOFS Canada Data Sets 1989-1998, CD-ROM Version 1.0 Dec. 2000, Marine Environmental Data Service, Department of Fisheries and Oceans, Canada, readme.htm
Project(s):
Joint Global Ocean Flux Study (JGOFS)
Coverage:
Latitude: 48.970000 * Longitude: -130.666667
Date/Time Start: 1997-02-25T00:00:00 * Date/Time End: 1997-02-25T00:00:00
Minimum DEPTH, water: 5 m * Maximum DEPTH, water: 60 m
Event(s):
P12 * Latitude: 48.970000 * Longitude: -130.666667 * Elevation: -3260.0 m * Campaign: Line_P * Method/Device: Multiple investigations (MULT)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Geocode | |||
| 2 | DEPTH, water | Depth water | m | Geocode | ||
| 3 | Nitrate and Nitrite | [NO3]- + [NO2]- | µmol/l | Varela, Diana E | JGOFS methods | |
| 4 | Ammonium | [NH4]+ | µmol/l | Varela, Diana E | JGOFS methods | |
| 5 | Chlorophyll a | Chl a | µg/l | Varela, Diana E | JGOFS methods | |
| 6 | Nitrogen, organic, particulate | PON | µg/l | Varela, Diana E | JGOFS methods | |
| 7 | Carbon, organic, particulate | POC | µg/l | Varela, Diana E | JGOFS methods | |
| 8 | Nitrate uptake rate, specific | NO3 upt rate spec | 1/day | Varela, Diana E | Calculated, see reference(s) | |
| 9 | Ammonium uptake rate, specific | [NH4]+ upt rate spec | 1/day | Varela, Diana E | Calculated, see reference(s) | |
| 10 | Nitrate uptake rate | NO3 upt rate | nmol/l/h | Varela, Diana E | Calculated, see reference(s) | |
| 11 | Ammonium uptake rate | [NH4]+ upt rate | nmol/l/h | Varela, Diana E | Calculated, see reference(s) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
54 data points
Data
| 1 Date/Time | 2 Depth water [m] | 3 [NO3]- + [NO2]- [µmol/l] | 4 [NH4]+ [µmol/l] | 5 Chl a [µg/l] | 6 PON [µg/l] | 7 POC [µg/l] | 8 NO3 upt rate spec [1/day] | 9 [NH4]+ upt rate spec [1/day] | 10 NO3 upt rate [nmol/l/h] | 11 [NH4]+ upt rate [nmol/l/h] |
|---|---|---|---|---|---|---|---|---|---|---|
| 1997-02-25 | 5 | 6.0 | 0.19 | 0.37 | 1.23 | 7.78 | 0.0620 | 0.0770 | 3.267 | 4.090 |
| 1997-02-25 | 15 | 6.1 | 0.24 | 0.37 | 1.06 | 6.43 | 0.0510 | 0.1280 | 2.311 | 6.037 |
| 1997-02-25 | 25 | 6.1 | 0.24 | 0.32 | 1.02 | 6.30 | 0.0444 | 0.1278 | 1.928 | 5.789 |
| 1997-02-25 | 35 | 6.1 | 0.24 | 0.31 | 1.02 | 6.29 | 0.0256 | 0.1332 | 1.102 | 6.050 |
| 1997-02-25 | 45 | 6.3 | 0.23 | 0.25 | 0.81 | 5.23 | 0.0236 | 0.0514 | 0.805 | 1.780 |
| 1997-02-25 | 60 | 7.1 | 0.27 | 0.16 | 0.76 | 4.22 | 0.0116 | 0.0224 | 0.368 | 0.713 |