Citation:

PANGAEA.121485

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Related to:

Cochran, James R (2003): Thorium 234 activity in particulate and dissolved phases. United States JGOFS Process Study Data 1989-1998; CD-ROM volume 1, version 2, Woods Hole Oceanographic Institution, USA: U.S. JGOFS Data Management Office

Further details:

Cochran, J Kirk (1996): Methodology notes. US JGOFS (Joint Global Ocean Flux Study) Data System, Cochran_thor_t12.htm

Project(s):

Joint Global Ocean Flux Study (JGOFS)

Coverage:

Latitude: 0.021700 * Longitude: -140.026700

Date/Time Start: 1992-10-03T13:01:00 * Date/Time End: 1992-10-03T13:01:00

Minimum DEPTH, water: 2 m * Maximum DEPTH, water: 480 m

Event(s):

TT012_5-Pump4 (10031301Pump4) * Latitude: 0.021700 * Longitude: -140.026700 * Date/Time: 1992-10-03T13:01:00 * Location: Equatorial Pacific * Campaign: * Basis: * Method/Device: Water pump (PUMP) * Comment: Pump_#4

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, water	Depth water	m			Geocode
2	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction between 0.7 to 1 µm
3	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction between 0.7 to 1 µm
4	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction between 1 to 53 µm
5	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction between 1 to 53 µm
6	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction greater than 53 µm
7	Thorium-234, particulate, fractionated	234Th part frac	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)	size fraction greater than 53 µm
8	Thorium-234, particulate	234Th part	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)
9	Thorium-234, particulate, standard deviation	234Th part std dev	±	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)
10	Thorium-234, dissolved	234Th diss	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)
11	Thorium-234, dissolved, standard deviation	234Th diss std dev	±	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)
12	Thorium-234, total	234Th tot	dpm/l	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)
13	Thorium-234, total, standard deviation	234Th std dev	±	Chochran, James Kirk	Determination of thorium isotopes (Buesseler et al, 1992)

License:

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

Size:

90 data points

Data

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

1 Depth water [m]	2 234Th part frac [dpm/l] (size fraction between 0.7 to ...)	3 234Th part frac [dpm/l] (size fraction between 0.7 to ...)	4 234Th part frac [dpm/l] (size fraction between 1 to 53 µm)	5 234Th part frac [dpm/l] (size fraction between 1 to 53 µm)	6 234Th part frac [dpm/l] (size fraction greater than 53 µm)	7 234Th part frac [dpm/l] (size fraction greater than 53 µm)	8 234Th part [dpm/l]	9 234Th part std dev [±]	10 234Th diss [dpm/l]	11 234Th diss std dev [±]	12 234Th tot [dpm/l]	13 234Th std dev [±]
2	0.245	0.018	0.142	0.008	0.086	0.020	0.473	0.028	0.84	0.14	1.31	0.14
30	0.287	0.021	0.163	0.010	0.192	0.043	0.643	0.049	1.38	0.27	2.02	0.27
60	0.251	0.016	0.151	0.007	0.258	0.057	0.660	0.059	1.08	0.08	1.74	0.10
90	0.199	0.013	0.086	0.004	0.269	0.058	0.554	0.060	1.52	0.10	2.08	0.11
120	0.150	0.012			0.081	0.018			1.74	0.12
180	0.131	0.010	0.046	0.003	0.051	0.012	0.228	0.016	2.22	0.15	2.45	0.15
355	0.316	0.022	0.109	0.006	0.052	0.012	0.477	0.026	1.81	0.12	2.29	0.13
480	0.192	0.011	0.043	0.002	0.046	0.011	0.280	0.016	1.94	0.13	2.22	0.13