Citation:

PANGAEA.818214

Name: Nitrogen fixation rate of unicellular diazotrophs in the oligotrophic Pacific Ocean
Published: 2013-07-18
License: https://creativecommons.org/licenses/by/3.0/
Keywords: MAREDAT_Diazotrophs_Collection

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Keyword(s):

MAREDAT_Diazotrophs_Collection

Related to:

Luo, Yawei; Doney, Scott C; Anderson, L A; Benavides, Mar; Berman-Frank, I; Bode, Antonio; Bonnet, S; Boström, Kjärstin H; Böttjer, D; Capone, D G; Carpenter, E J; Chen, Yaw-Lin; Church, Matthew J; Dore, John E; Falcón, Luisa I; Fernández, A; Foster, R A; Furuya, Ken; Gomez, Fernando; Gundersen, Kjell; Hynes, Annette M; Karl, David Michael; Kitajima, Satoshi; Langlois, Rebecca; LaRoche, Julie; Letelier, Ricardo M; Marañón, Emilio; McGillicuddy Jr, Dennis J; Moisander, Pia H; Moore, C Mark; Mouriño-Carballido, Beatriz; Mulholland, Margaret R; Needoba, Joseph A; Orcutt, Karen M; Poulton, Alex J; Rahav, Eyal; Raimbault, Patrick; Rees, Andrew; Riemann, Lasse; Shiozaki, Takuhei; Subramaniam, Ajit; Tyrrell, Toby; Turk-Kubo, Kendra A; Varela, Manuel; Villareal, Tracy A; Webb, Eric A; White, Angelicque E; Wu, Jingfeng; Zehr, Jonathan P (2012): Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates. Earth System Science Data, 4, 47-73, https://doi.org/10.5194/essd-4-47-2012

Montoya, Joseph P; Holl, Carolyn M; Zehr, Jonathan P; Hansen, Andrew; Villareal, Tracy A; Capone, D G (2004): High rates of N2 fixation by unicellular diazotrophs in the oligotrophic Pacific Ocean. Nature, 430(7003), 1027-1032, https://doi.org/10.1038/nature02824

Coverage:

Median Latitude: 16.885294 * Median Longitude: -170.005882 * South-bound Latitude: -13.000000 * West-bound Longitude: 126.000000 * North-bound Latitude: 31.500000 * East-bound Longitude: -128.000000

Date/Time Start: 1999-10-10T00:00:00 * Date/Time End: 2002-07-15T00:00:00

Minimum DEPTH, water: 0 m * Maximum DEPTH, water: 70 m

Event(s):

Cook25_1a * Latitude: 22.750000 * Longitude: -158.000000 * Date/Time: 2000-07-01T00:00:00 * Location: Hawaiian Islands, North Central Pacific * Comment: No accurate sampling dates, average from several samples in 2000-2001.

Cook25_1b * Latitude: 21.500000 * Longitude: -157.800000 * Date/Time: 2000-07-01T00:00:00 * Location: Hawaiian Islands, North Central Pacific * Comment: No accurate sampling dates, average from several samples in 2000-2001.

Cook25_2 * Latitude: 28.000000 * Longitude: -157.700000 * Date/Time: 2002-06-05T00:00:00 * Location: Hawaiian Islands, North Central Pacific * Comment: No accurate sampling date, cruise in June-July 2002. Coordinates read from figure.

Comment:

Hourly rates multiplied to 12 hours.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Date/Time of event	Date/Time
5	DEPTH, water	Depth water	m			Geocode
6	Unicellular cyanobacteria, nitrogen fixation rate	UCYN N fix	µmol/m³/day	Montoya, Joseph P	Nitrogen Fixation (C2H2 Reduction)
7	Nitrogen fixation rate, total	N fix total	µmol/m³/day	Luo, Yawei	Calculated after Luo et al. (2012)
8	Sample comment	Sample comment		Montoya, Joseph P

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

61 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Latitude	3 Longitude	4 Date/Time	5 Depth water [m]	6 UCYN N fix [µmol/m³/day]	7 N fix total [µmol/m³/day]	8 Sample comment
Cook25_1a	22.75	-158.00	2000-07-01	25	0.425	0.425
Cook25_1b	21.50	-157.80	2000-07-01	0	0.475	0.475
Cook25_2	28.00	-157.70	2002-06-05	25	1.200	1.200	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_3	28.00	-157.30	2002-06-08	25	1.200	1.200	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_4	28.00	-153.80	2002-06-10	25	5.400	5.400	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_5	30.50	-149.50	2002-06-15	25	9.000	9.000	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_6	30.50	-145.00	2002-06-20	25	4.800	4.800	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_7	31.50	-141.00	2002-06-25	0	1.800	1.800	Data read from figure.
Cook25_7	31.50	-141.00	2002-06-25	15	7.200	7.200	Data read from figure.
Cook25_7	31.50	-141.00	2002-06-25	25	3.600	3.600	Data read from figure.
Cook25_7	31.50	-141.00	2002-06-25	35	7.800	7.800	Data read from figure.
Cook25_7	31.50	-141.00	2002-06-25	70	4.800	4.800	Data read from figure.
Cook25_8	29.80	-138.50	2002-07-03	25	1.800	1.800	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_9	30.00	-137.50	2002-07-05	25	3.000	3.000	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_10	31.00	-131.00	2002-07-12	25	11.400	11.400	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
Cook25_11	31.50	-128.00	2002-07-15	25	2.400	2.400	Data read from figure, no accurate sampling depth, sampled at pigment maximum depth.
EW9912_1999-10-10	-13.00	126.00	1999-10-10	25	7.200	7.200	Data read from figure.
EW9912_1999-10-20	-11.00	136.50	1999-10-20	25	8.400	8.400	Data read from figure.
EW9912_1999-10-25	-11.50	139.50	1999-10-25	25	8.400	8.400	Data read from figure.
EW9912_1999-11-10	-10.50	133.00	1999-11-10	25	480.000	480.000	REJECTED by Quality Control using Chauvenet's criterion. Data read from figure.
EW9912_1999-11-15	-10.00	130.00	1999-11-15	25	180.000	180.000	REJECTED by Quality Control using Chauvenet's criterion. Data read from figure.