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Waniek, Joanna J; Frazão, Helena C; Jeschek, Jenny; Sadkowiak, Birgit; Kreuzer, Lars; Klostermann, Birgit; Dierken, Madleen (2022): Biological and chemical water properties measured in water bottle samples during the POSEIDON cruise POS459 in Madeira basin in September 2013 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.949180

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Abstract:
During the cruise POS459 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 9 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 September 2013. We measured concentrations of chlorophyll a, phaeopigments, suspended particulate material (SPM), and nutrients such as nitrate, nitrite, phosphate and silicate. Also, we determined concentrations of particulate organic carbon (POC) and particulate organic nitrogen (PON). The physical oceanography associated with this dataset can be found at https://doi.org/10.1594/PANGAEA.949122.
Brief description of the methodology used:
- Nitrate, nitrite, phosphate, and silicate were measured by continuous flow analysis.
- POC and PON were measured by means of an elemental analyser after filtered with pre-combusted GF/F-filters.
- Suspended particulate material (SPM) was determined gravimetrically after pre-combusted and weighted GF/F-filters filtration.
- Chlorophyll a and phaeopigments were measured using a fluorometer after ethanol extraction of the GF/F-filters.
Keyword(s):
Azores Front; biogeochemistry; Northeast Atlantic
Related to:
Waniek, Joanna J; Frazão, Helena C (2022): Physical oceanography during POSEIDON cruise POS459 in Madeira basin in September 2013. PANGAEA, https://doi.org/10.1594/PANGAEA.949122
Funding:
German Research Foundation (DFG), grant/award no. WA2175/2-1: Lithflux
German Research Foundation (DFG), grant/award no. WA2175/5-1: Decade
Coverage:
Median Latitude: 33.273215 * Median Longitude: -21.813802 * South-bound Latitude: 31.000282 * West-bound Longitude: -22.015300 * North-bound Latitude: 35.501083 * East-bound Longitude: -20.479067
Date/Time Start: 2013-09-21T12:12:53 * Date/Time End: 2013-09-29T16:30:19
Minimum Elevation: -5285.2 m * Maximum Elevation: -4941.6 m
Event(s):
POS459_0996-1  * Latitude: 34.094833 * Longitude: -20.478833 * Date/Time: 2013-09-21T12:00:00 * Elevation: -5117.3 m * Campaign: POS459 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO) * Comment: Information
POS459_0997-1  * Latitude: 33.334500 * Longitude: -21.501167 * Date/Time: 2013-09-21T21:03:00 * Elevation: -5285.2 m * Campaign: POS459 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO) * Comment: surface
POS459_0999-1  * Latitude: 32.000167 * Longitude: -21.999333 * Date/Time: 2013-09-23T01:38:00 * Elevation: -5053.2 m * Campaign: POS459 * Basis: Poseidon * Method/Device: CTD/Rosette (CTD-RO) * Comment: surface
Comment:
Physical data was previously published and can be found inside the complete CTD data of POS459: Waniek, Joanna J; Frazão, Helena C (2022): Physical oceanography during POSEIDON cruise POS459 in Madeira basin in September 2013. PANGAEA, https://doi.org/10.1594/PANGAEA.949122
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventWaniek, Joanna J
DATE/TIMEDate/TimeWaniek, Joanna JGeocode
LATITUDELatitudeWaniek, Joanna JGeocode
LONGITUDELongitudeWaniek, Joanna JGeocode
ELEVATIONElevationm a.s.l.Waniek, Joanna JGeocode
DEPTH, waterDepth watermWaniek, Joanna JGeocode
Temperature, waterTemp°CWaniek, Joanna JCTD/Rosette (CTD-RO)
SalinitySalWaniek, Joanna JCTD/Rosette (CTD-RO)
File nameFile nameWaniek, Joanna J
10 Water volume, filteredVol filteredmlWaniek, Joanna Jfor Chlorophyll a
11 PhaeopigmentsPhaemg/m3Waniek, Joanna Jfluorometer (ethanol extraction; GF/F-filtered) (Grasshoff et al., 1999)
12 Chlorophyll aChl amg/m3Waniek, Joanna Jfluorometer (ethanol extraction; GF/F-filtered) (Grasshoff et al., 1999)
13 Water volume, filteredVol filteredmlWaniek, Joanna Jfor POC
14 Nitrogen, organic, particulatePONµmol/lWaniek, Joanna Jelemental analyzer (GF/F- filtered) (Grasshoff et al., 1999)
15 Carbon, organic, particulatePOCµmol/lWaniek, Joanna Jelemental analyzer (GF/F- filtered) (Grasshoff et al., 1999)
16 Nitrite[NO2]-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
17 Nitrate[NO3]-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
18 Phosphate[PO4]3-µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
19 SilicateSi(OH)4µmol/lWaniek, Joanna Jwet chemical treatment; Continuous flow analysis (Grasshoff et al., 1999)
20 Suspended particulate matterSPMg/lWaniek, Joanna Jgravimetrically (GF/F-filtered) (Grasshoff et al., 1999)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
971 data points

Data

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


Event

Date/Time

Latitude

Longitude

Elevation [m a.s.l.]

Depth water [m]

Temp [°C]
(CTD/Rosette)

Sal
(CTD/Rosette)

File name
10 
Vol filtered [ml]
(for Chlorophyll a)
11 
Phae [mg/m3]
(fluorometer (ethanol extracti...)
12 
Chl a [mg/m3]
(fluorometer (ethanol extracti...)
13 
Vol filtered [ml]
(for POC)
14 
PON [µmol/l]
(elemental analyzer (GF/F- fil...)
15 
POC [µmol/l]
(elemental analyzer (GF/F- fil...)
16 
[NO2]- [µmol/l]
(wet chemical treatment; Conti...)
17 
[NO3]- [µmol/l]
(wet chemical treatment; Conti...)
18 
[PO4]3- [µmol/l]
(wet chemical treatment; Conti...)
19 
Si(OH)4 [µmol/l]
(wet chemical treatment; Conti...)
20 
SPM [g/l]
(gravimetrically (GF/F-filtere...)
POS459_0996-1 2013-09-21T12:12:5334.09683333-20.47906667-517420004.3569V003H0115000.4662841843.3121508910.01018.3701.20013.750.000488333
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-517410008.961035.5481V003H0115000.2667337692.2847418420.01019.7001.23011.650.000850000
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-517415017.596036.5110V003H0115000.1068108730.09031080015000.6591829113.8033245640.1052.5850.1456.150.000758333
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-517412517.964736.5647V003H0115000.1480962030.16002440015000.6352368493.8731700720.0400.9950.1254.300.001045000
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-51748018.426336.5443V003H0115000.1271916510.25508840015000.6791379114.2809794980.0100.0000.1404.000.000886667
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-51744022.724336.9556V003H0115000.0373387050.12279100015000.9026343656.3808590950.0100.0000.0603.500.000840000
POS459_0996-12013-09-21T12:12:5334.09683333-20.47906667-5174322.770636.9330V003H0115000.0312776500.08634980015001.0888814686.2208897660.0000.0000.0653.200.000908333
POS459_0997-1 2013-09-21T21:02:2533.33381667-21.49990000-53395100V004_0315000.9199287594.9884496820.01022.4251.49040.100.000773333
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533950002.450334.8872V004_0315000.5647290343.5487253040.02022.3701.56539.350.000686667
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533930002.8123V004_0315001.4627059138.2959849410.01017.1301.25523.550.000888333
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533920004.1041V004_0315000.6152818064.3260414090.00518.4101.20015.300.001181667
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533910008.789135.5434V004_0315000.3425629262.3861309350.01019.0551.19011.400.000491667
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533950012.544535.7185V004_0315000.6365671743.4856385470.01011.9150.7155.700.000881667
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533920016.582436.3750V004_0315000.0192693220.01766606015000.5926660693.3527064870.0153.8550.2504.200.000773333
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533915017.280736.4775V004_0315000.0858139650.087142000
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-533910017.971236.5384V004_0315000.1883313710.24558200015000.5101852453.8371207910.0200.0000.0403.250.000781667
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-53397518.740636.5751V004_0315000.0663747980.150518000
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-53395021.429736.8230V004_0315000.0278451290.07462524015000.8720366376.8697797130.0100.0000.0404.000.000995000
POS459_0997-12013-09-21T21:02:2533.33381667-21.49990000-5339322.965436.9039V004_0315000.0164720700.04087752015001.1474161885.8085742310.0100.0000.0403.650.000978333
POS459_0999-1 2013-09-23T01:58:3231.99998333-21.99981667-510650002.443234.8872V0007_0115000.8321265504.7901776050.01020.6301.50040.200.000730000
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510640002.4424V0007_010.01020.1751.47535.750.000565000
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510630002.7620V0007_0115000.9864455145.4999008440.01019.2151.3650.000746667
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510620004.0909V0007_0115001.0103916186.9013228860.01014.9501.12514.000.000728333
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510610008.594435.5234V0007_0115001.7952898587.4578355460.01018.5401.20512.100.000728333
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510650012.806535.7411V0007_010.01012.1850.7500.001058333
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510620016.760336.3563V0007_0115000.0089683800.00588604615000.5767020433.3977681920.0105.4650.3104.750.000813333
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510615017.205336.3808V0007_0115000.0373400630.03818404015000.4888998773.4022745070.0203.4800.1906.200.000471667
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-510612017.868036.5152V0007_0115000.1305378760.12437540015000.6392278673.832614682
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-51068018.142136.3922V0007_0115000.1823922770.24082880015000.9718118565.8311051860.0000.0000.0204.300.001245000
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-51066019.930936.5372V0007_0115000.0502524840.09823280015000.8321265505.098850993
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-51064022.768336.9215V0007_0115000.0258920000.06599026015001.2910924677.2032371100.0100.0000.0253.700.000815000
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-51062023.013636.9202V0007_0115000.0168393100.05133456015000.7868951644.001596229
POS459_0999-12013-09-23T01:58:3231.99998333-21.99981667-5106923.006936.9040V0007_0115000.0131757480.04412554015001.0303466626.0541608610.0050.0000.0302.800.000923333
POS459_1002-1 2013-09-24T02:15:0631.00028167-21.99931667-505848162.420034.8889V0009_0115000.2427877082.0526737440.01022.0651.44038.700.000803333
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505840002.422834.8998V0009_010.02523.0951.46537.600.001098333
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505830002.747934.9403V0009_0115000.4077493782.9561627450.01021.9051.39030.000.000706667
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505820004.202735.1056V0009_0115000.2228326642.2599578330.01020.1501.24018.150.000910000
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505810008.946235.6215V0009_010.01021.1901.27512.000.000931667
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505820016.340536.3070V0009_0115000.1060347010.00000000015000.4396774302.8727982930.0354.5600.2405.800.000881667
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505815017.353136.4775V0009_0115000.1811176980.20042660015000.4157314132.244186246
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505812017.947036.5325V0009_0115000.2382912880.23686780015000.6485401833.8371207910.0200.3550.0104.750.001925000
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-505810018.412336.5721V0009_0115000.1275436590.17745280015000.8148322436.8787919310.0100.1700.0003.700.000935000
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-50588019.423736.6654V0009_0115000.0434733070.09585620015000.6139514813.866410909
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-50584023.582237.1465V0009_0115000.0152490500.04769044015000.6591829113.952028210
POS459_1002-12013-09-24T02:15:0631.00028167-21.99931667-5058823.588337.1446V0009_0115000.0169263020.03929312015001.0050702335.5584814920.0000.1400.0202.850.001150000
POS459_1003-1 2013-09-27T07:21:3732.99873333-22.00006667-526951642.462334.8864V0010_0115000.5140682612.7840851230.01522.1701.44040.700.000738333
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-526930002.787836.9433V0010_0115000.5874093643.6170146240.00020.3401.34028.450.000635000
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-526920004.068535.0718V0010_0115000.3470135011.6863386410.00018.9101.19514.850.001166667
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-52698509.585635.5486V0010_0115000.6172890853.9157826170.00018.6701.1258.350.002743333
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-526920016.461036.3393V0010_0115000.0209553160.02020110015000.8169398584.2530285470.0105.1650.2803.850.000836667
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-526913017.509136.4924V0010_0115000.2479375560.217062800
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-526910018.296536.5777V0010_0115000.1927806410.28598420015000.4325781282.8225628540.0000.3500.0552.300.000755000
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-52694022.768336.8914V0010_0115000.0323423820.088726400
POS459_1003-12013-09-27T07:21:3732.99873333-22.00006667-52691522.748436.8836V0010_0115000.0257825890.06725778015000.7483154014.3350536260.0000.3150.0652.050.001033333
POS459_1004-1 2013-09-27T18:02:5034.00063333-21.99864833-534220004.190935.0872V0011_0115000.5738276604.0040552890.00018.1251.17015.400.000986667
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534210009.130435.5914V0011_0115000.3103429502.2001292940.00020.0401.21010.500.000821667
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534250012.914435.7513V0011_0115000.8576849255.6427531510.00012.9150.7455.250.000768333
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534220016.865736.3802V0011_0115000.0173586790.01037782015000.2193456511.7678208210.0105.8650.2902.350.000843333
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534216017.575536.4971V0011_0115000.0229587790.022736140
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534212018.017836.5297V0011_0115000.1446334140.14497260015000.5819766912.9040452400.0552.7600.1253.600.001015000
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-534210018.250136.5360V0011_0115000.2312726600.263010400
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-53428018.693836.5577V0011_0115000.1359882000.20834860015000.55481332820.0718965100.0050.4050.0302.200.001101667
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-53424022.742036.8502V0011_0115000.0220369700.060999400
POS459_1004-12013-09-27T18:02:5034.00063333-21.99864833-53421422.806836.8491V0011_0115000.0371532970.08080440015000.81286538713.9426215900.0300.3350.0351.950.001086667
POS459_1006-1 2013-09-28T04:56:0935.00248333-21.99931667-504420003.664634.9936V0013_0115000.2967612692.1141203950.01017.8401.16015.100.000563333
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-504410008.589235.6098V0013_0115000.4869048982.7727683260.01517.8901.14010.400.000653333
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-504420014.372335.9377V0013_0115000.0186026600.012516760
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-504414015.327436.0394V0013_0115000.1295659640.11724560015000.5860512073.2231838810.0353.3550.2003.750.001061667
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-504410016.415936.1377V0013_0115000.3387962570.433333400
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-50448017.181636.1506V0013_0115000.1559152090.27172460015000.9894273133.9316265460.0100.1500.0503.250.001180000
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-50444022.573336.5458V0013_0115000.0364255380.085557600
POS459_1006-12013-09-28T04:56:0935.00248333-21.99931667-5044822.571236.5466V0013_0115000.0224740480.07248630015000.6716158114.6876001730.0100.0800.0252.600.001130000
POS459_1007-1 2013-09-28T09:48:2935.50108333-21.99810000-495420003.772635.0156V0014_0115001.3819380746.8966737070.02018.1351.17514.450.001660000
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-495410009.276735.7643V0014_0115001.0505449134.3775153830.02017.3751.0759.550.000800000
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-495450011.649435.6175V0014_0115000.8060745134.5087922970.03514.1050.8456.500.000891667
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-495420014.527035.9717V0014_0115000.0184766590.010298600
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-495412015.662136.0965V0014_0115000.1976895420.21072520015000.7028536893.8026129920.0503.5300.2003.550.000870000
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-495410016.194436.1696V0014_0115000.2789221750.299451600
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-49548017.330836.2144V0014_0115000.2483276450.35965880015001.0410377255.4164134860.000885000
POS459_1007-12013-09-28T09:48:2935.50108333-21.99810000-49544021.982736.5150V0014_0115000.0278733750.092687400
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