Citation:

PANGAEA.859217

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Project(s):

Benthic Biology and Geochemistry of a North-eastern Atlantic Abyssal Locality (BENGAL)

Funding:

Fourth Framework Programme (FP4), grant/award no. MAS3950018 : Benthic Biology and Geochemistry of a North-eastern Atlantic Abyssal Locality

Coverage:

Latitude: 48.997002 * Longitude: -16.229000

Date/Time Start: 1998-03-20T19:00:00 * Date/Time End: 1998-09-14T14:06:00

Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 0.230 m

Event(s):

13368-057 * Latitude Start: 48.997002 * Longitude Start: -16.229000 * Latitude End: 48.997002 * Longitude End: -16.229000 * Date/Time Start: 1998-03-20T19:00:00 * Date/Time End: 1998-09-14T14:06:00 * Elevation: -4723.0 m * Campaign: * Basis: Discovery (1962) * Method/Device: MultiCorer Barnett pattern (12-57) (MCB57) * Comment: Uneventful deployment.

Comment:

Total carbonate (Ct) concentrations were determined on-board ship during Discovery 222 (leg A) nd 226 cruises, using colourmetric methods (Johnsson et al., 1987) with a precision of 0.2% RSD (n=10) using a sample loop of 4ml. During Discovery 231, 236 and Meteor 42/2 cruises a newly developed system (based on infrared detection of (CO2) were used for determination of total carbonate (Goyet and Snover, 1993; OSullivan and Millero, 1998). The precision of this method was also 0.2% RSD (n=10) using a sample loop of 4ml. Samples were filtrated through disposable sterile cellulose acetate filters (0.45µm) and stored refrigerated in polyethylene vials (rinsed in MQ-water) until analysis on-board.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	Depth, top/min	Depth top	m	Hall, Per
3	Depth, bottom/max	Depth bot	m	Hall, Per
4	Alkalinity, total	AT	mmol(eq)/l	Hall, Per	High-precision potentiometric titration (Haraldsson et al., 1997)
5	Carbonate ion	[CO3]2-	µmol/l	Hall, Per	Infrared detection of CO2 (Goyet & Snover, 1993)
6	Nitrate	[NO3]-	µmol/l	Hall, Per	Nutrients, CHEMLAB autoanalyser
7	Phosphate	[PO4]3-	µmol/l	Hall, Per	Nutrients, CHEMLAB autoanalyser
8	Ammonium	[NH4]+	µmol/l	Hall, Per	Nutrients, CHEMLAB autoanalyser

License:

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

Size:

267 data points

Data

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

1 Depth sed [m]	2 Depth top [m]	3 Depth bot [m]	4 AT [mmol(eq)/l]	5 [CO3]2- [µmol/l]	6 [NO3]- [µmol/l]	7 [PO4]3- [µmol/l]	8 [NH4]+ [µmol/l]
0.000			2.394	2243.90	21.80	1.40	0.300
0.000			2.394	2243.90	21.80	1.40	0.300
0.002	0.000	0.005	2.132	2249.70	36.70	1.40	5.000
0.002	0.000	0.005	2.073	1987.50	37.60	1.30	7.400
0.008	0.005	0.010	2.162	1996.50	40.90	1.30	4.000
0.008	0.005	0.010	2.132	1949.50	40.50	1.30	6.600
0.012	0.010	0.015	2.136	2075.70	40.80	1.50	2.400
0.012	0.010	0.015	2.279	1992.70	43.40	1.30	5.700
0.018	0.015	0.020	2.340	2046.50	41.90	1.40	1.100
0.018	0.015	0.020	2.302	2010.50	45.70	1.40	3.300
0.025	0.020	0.030	2.204	2088.30	41.90	1.70	0.300
0.025	0.020	0.030	2.410	2094.80	48.60	1.80	3.600
0.035	0.030	0.040	2.102	2150.30	41.00	1.80	0.900
0.035	0.030	0.040	2.390	2126.80	50.10	1.90	3.900
0.045	0.040	0.050	2.334	2264.80	39.30	1.90	0.800
0.045	0.040	0.050	2.394	2136.20	48.70	2.00	0.900
0.055	0.050	0.060	2.333	2226.80	38.20	2.20	0.700
0.055	0.050	0.060	2.409	2220.50	50.70	2.20
0.065	0.060	0.070	2.284	2230.50	41.30	2.20	0.900
0.065	0.060	0.070	2.386	2208.00	45.30	2.30	1.300
0.075	0.070	0.080	2.386	2293.80	36.20	2.40	0.500
0.075	0.070	0.080	2.353	2238.00	43.50	2.50	0.800
0.085	0.080	0.090	2.206	2242.20	35.70	2.60	1.300
0.085	0.080	0.090	2.346		39.90	2.50	0.300
0.095	0.090	0.100	2.213	2310.80	36.90	2.70	0.600
0.095	0.090	0.100	2.377	2208.00	36.90	2.60	0.200
0.110	0.100	0.120	2.304	2291.20	35.60	2.90	0.400
0.110	0.100	0.120	2.427	2228.30	36.90	2.90	0.700
0.130	0.120	0.140	2.360	2286.50	36.30	3.00	0.900
0.130	0.120	0.140	2.452	2237.30	38.50	3.20	0.700
0.150	0.140	0.160	2.390	2290.50	33.20	3.30	0.600
0.150	0.140	0.160	2.539	2260.00	34.00	3.30
0.170	0.160	0.180	2.427	2341.50	36.60	3.70	0.900
0.170	0.160	0.180	2.486	2262.50	31.90	3.60	0.800
0.190	0.180	0.200	2.477	2389.30	34.60	3.80	0.400
0.190	0.180	0.200	2.496	2360.00	33.10	3.80	0.800
0.210	0.200	0.220	2.502	2392.90	27.30	4.30	0.700
0.210	0.200	0.220	2.620	2310.50	31.40	4.20	0.300
0.230	0.220	0.240		2378.30
0.230	0.220	0.240			29.00	4.30	0.400