Varela, Diana E (2002): Nutrients, chlorophyll a and nitrogen uptake rates of site P20 (1997-06-12) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.81068
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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: 49.566667 * Longitude: -138.666667
Date/Time Start: 1997-06-12T00:00:00 * Date/Time End: 1997-06-12T00:00:00
Minimum DEPTH, water: 0 m * Maximum DEPTH, water: 70 m
Event(s):
P20 * Latitude: 49.566667 * Longitude: -138.666667 * Elevation: -3984.0 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] |
|---|---|---|---|---|---|---|---|---|---|---|
| 1997-06-12 | 0 | 8.0 | 0.23 | 0.22 | 2.36 | 8.10 | 0.0353 | 0.0543 | 3.532 | 5.488 |
| 1997-06-12 | 5 | 8.0 | 0.28 | 0.22 | 2.61 | 9.76 | 0.0305 | 0.0636 | 3.368 | 7.152 |
| 1997-06-12 | 15 | 7.9 | 0.25 | 0.21 | 2.29 | 8.28 | 0.0240 | 0.0642 | 2.317 | 6.316 |
| 1997-06-12 | 30 | 8.0 | 0.15 | 0.18 | 2.25 | 7.82 | 0.0431 | 0.0457 | 4.126 | 4.379 |
| 1997-06-12 | 45 | 8.3 | 0.27 | 0.24 | 2.45 | 9.25 | 0.0266 | 0.0580 | 2.754 | 6.111 |
| 1997-06-12 | 70 | 10.5 | 0.50 | 0.21 | 1.58 | 4.86 | 0.0337 | 0.0222 | 2.262 | 1.479 |