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Waniek, Joanna J; Frazão, Helena C; Krüger, Siegfried; Fründt, Birte; Fiskal, Annika; Sadkowiak, Birgit; Kreuzer, Lars; Klostermann, Birgit (2022): Biological and chemical water properties measured in water bottle samples during the cruise POS432 in Madeira basin in May 2012 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946626

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Abstract:
During the cruise POS432 on board the German R/V Poseidon, we collected water with a CTD SBE 11plus equipped with 14 Hydrobios free flow bottles of 10 L each in 15 stations (resulting in almost 100 samples) in the Madeira basin region, Northeast Atlantic. We aimed to study the physical and biogeochemical conditions of the water column along the 22°W meridian, north and south of the Azores Front, in May 2012. We measured concentrations of chlorophyll a, phaeopigments, suspended particulate material (SPM), and nutrients such as nitrate, nitrite, phosphate, and silicate.
Keyword(s):
Azores Front; biogeochemistry; Northeast Atlantic
Related to:
Waniek, Joanna J; Frazão, Helena C; Krüger, Siegfried; Fründt, Birte; Fiskal, Annika (2022): Physical oceanography during the cruise POS432 in the Madeira basin in May 2012. PANGAEA, https://doi.org/10.1594/PANGAEA.946724
Funding:
Bundesministerium für Wirtschaft und Energie (BMWi), grant/award no. 03SX348F: SMIS: Subsea Monitoring via Itelligent Swarms Vorhaben Seeerprobungen u. wissenschaftliche Anwendungen
German Research Foundation (DFG), grant/award no. WA2175/5-1: Decade
Coverage:
Median Latitude: 36.316782 * Median Longitude: -21.999866 * South-bound Latitude: 35.501032 * West-bound Longitude: -22.150500 * North-bound Latitude: 36.999617 * East-bound Longitude: -21.849048
Date/Time Start: 2012-05-03T20:04:28 * Date/Time End: 2012-05-10T05:22:03
Event(s):
POS432_118-2  * Latitude: 36.999617 * Longitude: -21.999633 * Date/Time: 2012-05-03T20:04:28 * Location: Northeast Atlantic * Campaign: POS432 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO)
POS432_119-1  * Latitude: 36.499950 * Longitude: -21.999917 * Date/Time: 2012-05-04T00:59:49 * Location: Northeast Atlantic * Campaign: POS432 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO)
POS432_120-1  * Latitude: 36.001685 * Longitude: -21.998217 * Date/Time: 2012-05-04T06:11:01 * Location: Northeast Atlantic * Campaign: POS432 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventWaniek, Joanna J
Date/Time of eventDate/TimeWaniek, Joanna J
Longitude of eventLongitudeWaniek, Joanna J
Longitude of eventLongitudeWaniek, Joanna J
ELEVATIONElevationm a.s.l.Waniek, Joanna JGeocode
DEPTH, waterDepth watermWaniek, Joanna JGeocode
Temperature, waterTemp°CWaniek, Joanna JCTD, Sea-Bird, SBE 911plus
SalinitySalWaniek, Joanna JCTD, Sea-Bird, SBE 911plus
Water volume, filteredVol filteredmlWaniek, Joanna J
10 Chlorophyll aChl amg/m3Waniek, Joanna Jfluorometer (ethanol extraction; GF/F-filtered) (Grasshoff et al., 1999)
11 PhaeopigmentsPhaemg/m3Waniek, Joanna Jfluorometer (ethanol extraction; GF/F-filtered) (Grasshoff et al., 1999)
12 Nitrite[NO2]-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
13 Nitrate[NO3]-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
14 Phosphate[PO4]3-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
15 SilicateSi(OH)4µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
16 Suspended particulate matterSPMg/lWaniek, Joanna Jgravimetrically (GF/F-filtered) (Grasshoff et al., 1999)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1020 data points

Data

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


Event

Date/Time

Longitude

Longitude

Elevation [m a.s.l.]

Depth water [m]

Temp [°C]
(CTD, Sea-Bird, SBE 911plus)

Sal
(CTD, Sea-Bird, SBE 911plus)

Vol filtered [ml]
10 
Chl a [mg/m3]
(fluorometer (ethanol extracti...)
11 
Phae [mg/m3]
(fluorometer (ethanol extracti...)
12 
[NO2]- [µmol/l]
(wet chemical treatment; Conti...)
13 
[NO3]- [µmol/l]
(wet chemical treatment; Conti...)
14 
[PO4]3- [µmol/l]
(wet chemical treatment; Conti...)
15 
Si(OH)4 [µmol/l]
(wet chemical treatment; Conti...)
16 
SPM [g/l]
(gravimetrically (GF/F-filtere...)
POS432_118-2 2012-05-03T20:04:28-21.9996-21.9996-42039889.506335.722620000.00015.6201.0259.900.00053167
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-420320014.235835.919320000.0003725400.0107.7050.4553.550.00076000
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-420312015.736236.138420000.0769913200.0303.8050.2553.900.00031000
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-42037816.345436.221320000.5583940500.0700.1800.1303.500.00079167
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-42036116.726636.241420000.2972030600.0100.0550.1203.300.00040167
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-42035216.815136.256520000.2177281500.0000.0500.1205.700.00150667
POS432_118-22012-05-03T20:04:28-21.9996-21.9996-4203716.911736.253620000.1262492100.0000.0950.1302.850.00084167
POS432_119-1 2012-05-04T00:59:49-21.9999-21.9999-415210029.236335.657420000.01017.4501.12011.550.00199833
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-415220015.470336.117820000.0022973200.0106.9300.4303.450.00081333
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-415216116.227736.244220000.0275264700.0154.3250.3352.450.00085000
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-415212217.299336.454520000.1502572600.0801.9050.1602.250.00084833
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-41528018.492336.664820000.2727810800.0000.1000.0901.900.00155667
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-41524918.523736.666620000.2206256700.0000.0700.0851.550.00047667
POS432_119-12012-05-04T00:59:49-21.9999-21.9999-4152518.533836.666520000.2032405300.0000.1000.1002.100.00145333
POS432_120-1 2012-05-04T06:11:01-21.9982-21.9982-415710019.502835.665220000.0009.2250.8506.950.00264667
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-415719917.448036.542520000.0025249800.0101.7650.1402.050.00071500
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-415714918.097836.678320000.1382532400.0250.0950.0851.350.00071167
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-415710018.166136.686420000.2454615800.0300.0000.0651.700.00133500
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-41577618.151836.680320000.2537402200.0200.0200.1002.000.00264333
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-41575018.146436.678720000.2260067800.0250.0400.1102.050.00205667
POS432_120-12012-05-04T06:11:01-21.9982-21.9982-4157918.153836.662820000.1986872800.0100.0000.0601.650.00076000
POS432_121-1 2012-05-04T10:55:57-21.9995-21.9995-484310049.114035.615620000.01017.8901.08011.450.00298000
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-484320016.622036.324820000.0064159400.0155.4100.2902.900.00081500
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-484314017.801936.587320000.0542250700.0702.4100.1602.150.00102667
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-484310218.545136.730020000.1837857400.1000.4850.0802.200.00069000
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-48438518.718536.741820000.2280764400.0100.0000.0601.300.00082167
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-48437218.717636.741220000.2396665400.0100.0300.0752.200.00449833
POS432_121-12012-05-04T10:55:57-21.9995-21.9995-48431418.736936.722720000.1237656200.0000.0150.0802.300.00071167
POS432_124-1 2012-05-05T13:30:29-21.9992-21.9992-508710019.589035.679920000.01019.1001.09511.900.00201333
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-508720217.332136.512720000.0076991300.0200.8800.0950.400.00111833
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-508716517.793436.612420000.0435042400.0301.3200.1002.100.00417000
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-508710518.189536.687720000.2284903800.0350.0000.0552.100.03496333
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-50877518.200236.687920000.1846136000.0100.0950.0652.100.00190833
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-50875218.223136.687220000.1092780100.0000.0000.0502.150.00207333
POS432_124-12012-05-05T13:30:29-21.9992-21.9992-5087718.320636.631220000.0931346600.0000.0000.0501.870.00208500
POS432_125-1 2012-05-05T19:06:37-22.0007-22.0007-490510009.574235.680120000.00017.6001.06011.000.00279167
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-490520215.910536.198820000.0008692600.0104.1700.2902.150.00106333
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-490511118.082936.623020000.1121755300.0702.1800.1902.500.00306333
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-49057118.601436.720320000.3762640400.0000.0800.1302.250.00073167
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-49055518.584336.710320000.2943055400.0000.0950.1352.400.00153333
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-49053218.548836.650420000.1403228900.0000.0650.1452.250.00541000
POS432_125-12012-05-05T19:06:37-22.0007-22.0007-4905718.937036.663820000.1308024600.0000.0000.1101.700.00077167
POS432_126-3 2012-05-06T10:18:31-21.9994-21.9994-394410009.346035.673620000.00016.5201.04010.500.00329333
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-394419916.150836.238220000.0201170900.0105.6950.3252.750.00085167
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-394416117.594236.589020000.0212761000.0151.3600.1302.050.00059183
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-394412018.235336.663620000.1345278500.0400.7750.1202.750.00234333
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-39447318.547636.722220000.3580510400.0000.0000.0701.250.00047500
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-39445018.522436.695520000.2715392900.0000.0000.0601.750.00056333
POS432_126-32012-05-06T10:18:31-21.9994-21.9994-3944918.673136.637220000.1204541700.0000.0000.0701.900.00150000
POS432_128-1 2012-05-07T20:50:15-22.0006-22.0006-44289999.541135.695020000.00517.8701.07511.250.00422167
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-442820116.299236.271720000.0033528500.0104.5950.2802.900.00081667
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-442815117.408636.517720000.0314588200.0202.5950.1752.150.00098000
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-44287018.661136.756320000.3895098600.0100.0800.0501.600.00192833
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-44285018.678936.743320000.2301461000.0100.1100.0802.500.00077500
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-44284018.631836.644020000.1510851200.0100.0700.0754.700.00078667
POS432_128-12012-05-07T20:50:15-22.0006-22.0006-44281018.731636.630320000.0993436400.0050.0400.0802.150.00163167
POS432_129-1 2012-05-08T05:37:24-22.0007-22.000710009.393435.675120000.0008.3000.7505.100.00340333
POS432_129-12012-05-08T05:37:24-22.0007-22.000719916.086636.244920000.0021110500.0051.4900.1700.500.00090667
POS432_129-12012-05-08T05:37:24-22.0007-22.000715117.113236.427920000.0819585000.0402.0800.1802.000.00162167
POS432_129-12012-05-08T05:37:24-22.0007-22.000710018.393836.694820000.1995151500.0100.2850.1101.800.00099333
POS432_129-12012-05-08T05:37:24-22.0007-22.00076318.604436.715620000.2794039900.0000.2950.1452.300.00066500
POS432_129-12012-05-08T05:37:24-22.0007-22.00074018.472036.620920000.1212820300.0000.2650.1302.200.00478667
POS432_129-12012-05-08T05:37:24-22.0007-22.00071018.751036.657920000.1014133000.0000.1950.0701.100.00108500
POS432_131-1 2012-05-08T20:26:53-22.1505-22.150510009.466035.665720000.00014.1800.9559.150.00525667
POS432_131-12012-05-08T20:26:53-22.1505-22.150520116.415636.288720000.0085270000.0105.1900.2802.700.00069833
POS432_131-12012-05-08T20:26:53-22.1505-22.150515117.314236.465320000.0329489700.0254.0500.2202.500.00232500
POS432_131-12012-05-08T20:26:53-22.1505-22.150510018.286836.676020000.1473597300.0400.0400.0402.000.00111167
POS432_131-12012-05-08T20:26:53-22.1505-22.15055018.693036.750120000.2922358800.0050.0050.0501.400.00268333
POS432_131-12012-05-08T20:26:53-22.1505-22.15053118.590636.695320000.1953758300.0000.0000.0652.150.00082667
POS432_131-12012-05-08T20:26:53-22.1505-22.15051418.852036.672820000.1216959600.0000.3600.0702.300.00073000
POS432_132-1 2012-05-09T01:09:02-21.8490-21.849010019.284535.657620000.00014.5100.9759.150.00595000
POS432_132-12012-05-09T01:09:02-21.8490-21.849019915.661336.150120000.0012086800.0106.8950.4203.100.00075667
POS432_132-12012-05-09T01:09:02-21.8490-21.849013117.328936.499520000.0074507700.0204.4500.2802.950.00182167
POS432_132-12012-05-09T01:09:02-21.8490-21.849011017.559636.468320000.1295606700.0552.0900.1602.350.00091667
POS432_132-12012-05-09T01:09:02-21.8490-21.84908918.375536.653020000.2599492000.1101.0900.1502.350.00199000
POS432_132-12012-05-09T01:09:02-21.8490-21.84904518.552436.632320000.1514990500.0000.2100.0701.400.00509000
POS432_132-12012-05-09T01:09:02-21.8490-21.8490718.887836.640720000.1101058700.0000.2400.1052.050.00079167
POS432_133-1 2012-05-09T05:29:38-22.0004-22.00049999.383735.682620000.00519.3351.11511.600.00537000
POS432_133-12012-05-09T05:29:38-22.0004-22.000420016.279736.262120000.0207379900.0105.0300.2302.350.00079333
POS432_133-12012-05-09T05:29:38-22.0004-22.000415117.659836.563720000.0728520000.0302.6050.1002.100.00079333
POS432_133-12012-05-09T05:29:38-22.0004-22.00049618.386936.677620000.3576371100.0150.3200.0302.100.00137000
POS432_133-12012-05-09T05:29:38-22.0004-22.00046018.493136.679720000.2226953300.0050.3050.0502.200.00079833
POS432_133-12012-05-09T05:29:38-22.0004-22.00044118.952836.738620000.1436343500.0000.3150.0401.800.00241000
POS432_133-12012-05-09T05:29:38-22.0004-22.00041619.051736.754220000.1432204200.0000.3400.0402.100.00090833
POS432_136-1 2012-05-09T20:55:49-22.1493-22.1493-437310009.454236.674020000.01018.9951.09511.450.00565667
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-437320117.144736.485720000.0069540500.0102.3700.1501.800.00115333
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-437311018.120236.647620000.1676423900.0350.5900.0852.200.00067500
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-43736618.462736.678920000.3373544500.0000.4050.0702.150.00102500
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-43735018.497536.685720000.2731950100.0000.3500.0702.000.00190833
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-43733018.982536.737520000.1519129900.0000.3750.0702.500.00246167
POS432_136-12012-05-09T20:55:49-22.1493-22.1493-43731119.022636.710220000.1009993700.0000.3550.0602.100.00136333
POS432_137-1 2012-05-10T01:15:24-22.0000-22.0000-492710029.437035.668020000.00019.8551.14012.050.00426500
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-492720216.741636.367720000.0074921700.0103.6450.2152.200.00089833
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-492710618.185636.648720000.1697120500.0500.9250.0701.500.00065500
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-49279118.294836.663220000.2628467200.0700.8200.0802.300.00086500
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-49277418.409336.681020000.3630182200.0100.3950.0802.050.00205500
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-49275818.574536.690520000.2943055400.0000.3450.0902.050.00773333
POS432_137-12012-05-10T01:15:24-22.0000-22.0000-4927718.802636.621320000.1096919400.0000.3200.0902.300.00137500
POS432_138-1 2012-05-10T05:22:03-21.8508-21.8508-451510018.931235.572720000.00514.1450.9608.900.00357500
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-451519916.072336.226020000.0036426000.0105.0150.2652.350.00144833
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-451514117.738936.570820000.0898232100.1201.3550.0901.800.00243500
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-451510118.359436.671620000.1974454900.0300.5600.0401.750.00251667
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-45158118.517936.706820000.2520844900.0300.5400.0602.100.00104167
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-45154218.870336.685120000.1531547800.0100.4200.0251.300.00346000
POS432_138-12012-05-10T05:22:03-21.8508-21.8508-4515618.995936.689620000.1167287800.0100.4300.0652.250.00088500