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: 48.858002 * Longitude: -16.499001

Date/Time Start: 1998-09-01T18:47:00 * Date/Time End: 1998-09-01T22:21:00

Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 0.110 m

Event(s):

DI236_16-1 * Latitude Start: 48.858002 * Longitude Start: -16.499001 * Latitude End: 48.858002 * Longitude End: -16.499001 * Date/Time Start: 1998-09-01T18:47:00 * Date/Time End: 1998-09-01T22:21:00 * Elevation: -4800.0 m * Campaign: * Basis: Discovery (1962) * Method/Device: MultiCorer Barnett pattern (12-57) (MCB57)

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)

License:

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

Size:

87 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]
0.000			2.406	2256.80
0.000			2.406
0.002	0.000	0.005	2.205	2043.10
0.002	0.000	0.005	2.134
0.008	0.005	0.010	2.214	2081.30
0.008	0.005	0.010	2.224
0.012	0.010	0.015	2.248	2070.50
0.012	0.010	0.015	2.287
0.018	0.015	0.020	2.251	2129.20
0.018	0.015	0.020	2.279
0.022	0.020	0.025	2.364	2144.60
0.022	0.020	0.025	2.362
0.028	0.025	0.030	2.332	2123.60
0.028	0.025	0.030	2.380
0.035	0.030	0.040	2.319	2209.50
0.035	0.030	0.040	2.381
0.045	0.040	0.050	2.342	2157.50
0.045	0.040	0.050	2.385
0.055	0.050	0.060	2.410	2206.60
0.055	0.050	0.060	2.439
0.070	0.060	0.080	2.406	2254.60
0.070	0.060	0.080	2.419
0.090	0.080	0.100	2.464	2153.90
0.090	0.080	0.100	2.385
0.110	0.100	0.120	2.440	2150.20
0.110	0.100	0.120	2.381