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Arnone, Veronica; Santana-Casiano, Juana Magdalena; González, Aridane G (2023): Dissolved copper binding ligands from seawater samples during POLARSTERN cruise PS100/ GN05 (ARK-XXX/2) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.959511

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Abstract:
Copper (Cu) is a bio-essential trace metal involved in many phytoplankton metabolic processes. In seawater, its bioavailability is controlled by the formation of organic complexes with binding ligands which also controls the toxicity of free cupric ion (Cu²⁺). Despite this key role, information about Cu speciation is scarce, especially in the Arctic Ocean. However, this oceanographic region is essential to understand the copper biogeochemical cycle. This dataset contains the results of Cu complexation measurements in station depth profiles sampled in Fram Strait and Greenland Shelf. Samples were collected during GEOTRACES expedition GN05 (PS100) between 21 July and 1 September 2016, following GEOTRACES guidelines (https://www.geotraces.org). Copper binding ligand concentrations (LCu) and conditional stability constants (logKcond) were measured by Competitive-Ligand Exchange Adsorptive Cathodic Stripping Voltammetry (CLE-ACSV) using Salicylaldoxime (SA) as competitive ligand (Campos and van den Berg, 1994). The concentration of dissolved copper has been reported by Krisch et al. (2021) (doi:10.1594/PANGAEA.933431).
Keyword(s):
Arctic Ocean; copper; Fram Strait; GEOTRACES; GN05; Northeast Greenland Shelf; Organic-binding ligands; PS100
Supplement to:
Arnone, Veronica; Santana-Casiano, Juana Magdalena; González-Dávila, Melchor; Sarthou, Géraldine; Krisch, Stephan; Lodeiro, Pablo Fernandez; Achterberg, Eric Pieter; González, Aridane G (2024): Distribution of copper-binding ligands in Fram Strait and influences from the Greenland Shelf (GEOTRACES GN05). Science of the Total Environment, 909, 168162, https://doi.org/10.1016/j.scitotenv.2023.168162
Related to:
Krisch, Stephan; Roig, Stéphane; Lodeiro, Pablo Fernandez; Yong, Jaw-Chuen; Herzberg, Nicola; Evers, Florian; Achterberg, Eric Pieter; Steffens, Tim (2021): Dissolved trace elements (Fe, Mn, Co, Ni, Cu, Zn, Cd and Pb) measured on water bottle samples from ultra clean CTD/Water sampler-system during POLARSTERN cruise PS100 / GN05 (ARK-XXX/2). PANGAEA, https://doi.org/10.1594/PANGAEA.933431
References:
Lucia, Melcarne; Campos, A M; van den Berg, Constant M G (1994): Determination of copper complexation in sea water by cathodic stripping voltammetry and ligand competition with salicylaldoxime. Analytica Chimica Acta, 284(3), 481-496, https://doi.org/10.1016/0003-2670(94)85055-0
Funding:
Centre National de la Recherche Scientifique (CNRS), grant/award no. ANR-10-LABX-19
Ministerio de Ciencia e Innovación (MICINN), grant/award no. PRE2018-084476
Ministerio de Economía y Competitividad (MEC), grant/award no. CTM2017-83476-P
Coverage:
Median Latitude: 79.328802 * Median Longitude: -1.428736 * South-bound Latitude: 78.677800 * West-bound Longitude: -19.518000 * North-bound Latitude: 80.853200 * East-bound Longitude: 8.328300
Date/Time Start: 2016-07-22T19:15:00 * Date/Time End: 2016-08-30T14:59:00
Minimum Elevation: -3170.5 m * Maximum Elevation: -169.7 m
Event(s):
PS100/015-1  * Latitude: 79.001170 * Longitude: 8.328330 * Date/Time: 2016-07-22T19:15:00 * Elevation: -793.2 m * Location: North Greenland Sea * Campaign: PS100 (ARK-XXX/2, GN05) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
PS100/021-1  * Latitude: 79.000330 * Longitude: 7.498330 * Date/Time: 2016-07-24T00:25:00 * Elevation: -1223.9 m * Location: North Greenland Sea * Campaign: PS100 (ARK-XXX/2, GN05) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
PS100/028-1  * Latitude: 78.986000 * Longitude: 6.994330 * Date/Time: 2016-07-24T19:20:00 * Elevation: -1200.2 m * Location: North Greenland Sea * Campaign: PS100 (ARK-XXX/2, GN05) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Cruise/expeditionExpeditionArnone, Veronica
Event labelEventArnone, Veronica
Station labelStationArnone, Veronica
LATITUDELatitudeArnone, VeronicaGeocode
LONGITUDELongitudeArnone, VeronicaGeocode
DATE/TIMEDate/TimeArnone, VeronicaGeocode
ELEVATIONElevationm a.s.l.Arnone, VeronicaCTD, Sea-Bird SBE 911plusGeocode – neg. bottom depth
Bottle numberBottleArnone, Veronica
DEPTH, waterDepth watermArnone, VeronicaCTD, Sea-Bird SBE 911plusGeocode
10 Pressure, waterPressdbarArnone, VeronicaCTD, Sea-Bird SBE 911plus
11 Copper-binding ligandCu ligandnmol/lArnone, VeronicaCompetitive-ligand exchange adsorptive cathodic stripping voltammetry (CLE-ACSV)
12 Copper-binding ligand, standard deviationCu ligand std dev±Arnone, VeronicaCompetitive-ligand exchange adsorptive cathodic stripping voltammetry (CLE-ACSV)
13 Copper-binding ligand, conditional stability constantlog KcondCu2+LArnone, VeronicaCompetitive-ligand exchange adsorptive cathodic stripping voltammetry (CLE-ACSV)
14 Copper-binding ligand, conditional stability constant, standard deviationlog KcondCu2+L e±Arnone, VeronicaCompetitive-ligand exchange adsorptive cathodic stripping voltammetry (CLE-ACSV)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
1008 data points

Data

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


Expedition

Event

Station

Latitude

Longitude

Date/Time

Elevation [m a.s.l.]

Bottle

Depth water [m]
10 
Press [dbar]
11 
Cu ligand [nmol/l]
12 
Cu ligand std dev [±]
13 
log KcondCu2+L
14 
log KcondCu2+L e [±]
GN05 (PS100)PS100/015-1 179.00128.32832016-07-22T19:15-79311175.11772.1010.11615.70500.126
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-79313124.61262.1650.05415.85900.103
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7931585.1862.2450.06715.02000.060
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7931760.3611.9290.08715.60000.101
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7932690.56991.9720.02915.55900.039
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-793209.9101.6950.02516.08400.032
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7934500.15062.2920.16015.18300.114
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7936400.34052.1220.08515.62200.086
GN05 (PS100)PS100/015-1179.00128.32832016-07-22T19:15-7939250.22532.0640.09315.74000.094
GN05 (PS100)PS100/074-1 1080.2185-8.14432016-08-03T15:53-2831260.02631.7060.06415.15700.159
GN05 (PS100)PS100/074-11080.2185-8.14432016-08-03T15:53-2831029.7308.1780.30714.84100.074
GN05 (PS100)PS100/074-11080.2185-8.14432016-08-03T15:53-2833199.82022.0900.06315.34000.061
GN05 (PS100)PS100/074-11080.2185-8.14432016-08-03T15:53-2835151.31532.1590.04315.45200.046
GN05 (PS100)PS100/074-11080.2185-8.14432016-08-03T15:53-283799.91012.7360.04715.17300.046
GN05 (PS100)PS100/074-11080.2185-8.14432016-08-03T15:53-283950.5514.1870.07315.71900.086
GN05 (PS100)PS100/090-1 1278.8308-11.99522016-08-05T21:28-2023124.61263.8480.32714.79400.163
GN05 (PS100)PS100/090-11278.8308-11.99522016-08-05T21:28-202575.2764.6310.12715.28900.092
GN05 (PS100)PS100/090-11278.8308-11.99522016-08-05T21:28-202737.6385.0300.27715.01100.165
GN05 (PS100)PS100/090-11278.8308-11.99522016-08-05T21:28-202919.8204.7280.10615.03600.068
GN05 (PS100)PS100/094-1 1378.6778-7.94832016-08-06T10:05-17015151.31532.2770.05715.24800.053
GN05 (PS100)PS100/094-11378.6778-7.94832016-08-06T10:05-17017124.61263.1920.31915.05900.173
GN05 (PS100)PS100/094-11378.6778-7.94832016-08-06T10:05-1701975.2764.2030.18914.94400.082
GN05 (PS100)PS100/094-11378.6778-7.94832016-08-06T10:05-1702139.6404.6230.57814.92800.291
GN05 (PS100)PS100/094-11378.6778-7.94832016-08-06T10:05-1702319.8205.5110.26215.35800.200
GN05 (PS100)PS100/094-11378.6778-7.94832016-08-06T10:05-170249.9106.0150.28615.41900.185
GN05 (PS100)PS100/103-2 1678.8220-2.04182016-08-08T17:14-266812615.426602.0060.07014.81400.059
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266811500.15061.9090.07615.57200.086
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266813299.63031.9540.12215.60100.117
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266815199.82021.8140.04115.73900.079
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266817150.31521.7080.02115.87000.040
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-26681999.91012.1500.11915.59500.172
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-26682153.4542.3240.14515.56800.132
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-2668249.9102.5460.05115.51500.078
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266832248.722852.2050.08315.13700.083
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266851749.817762.1730.08115.27000.076
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-266871249.812672.1320.06915.21900.061
GN05 (PS100)PS100/103-21678.8220-2.04182016-08-08T17:14-26689799.98101.9280.01415.53400.023
GN05 (PS100)PS100/021-1 279.00037.49832016-07-24T00:25-122410400.34051.6050.15715.76090.410
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-122412299.63031.8810.09415.40000.154
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-122413250.22532.0960.13615.48700.108
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-122416150.31521.6250.08515.11100.121
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12241899.91011.9110.10015.61400.101
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-122421150.511661.7680.05315.47000.085
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12242060.3612.1850.07115.65300.070
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12242224.7252.6160.15715.74300.165
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-1224249.9101.8650.09815.55900.124
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12244900.49121.9520.04915.29300.054
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12246700.37092.0780.13514.90000.164
GN05 (PS100)PS100/021-1279.00037.49832016-07-24T00:25-12248500.15061.5870.04415.66400.102
GN05 (PS100)PS100/202-1 2079.2873-18.09782016-08-21T02:40-3621060.3616.5480.88414.95100.299
GN05 (PS100)PS100/202-12079.2873-18.09782016-08-21T02:40-3621438.6396.4110.24014.91600.075
GN05 (PS100)PS100/202-12079.2873-18.09782016-08-21T02:40-3622299.63032.3750.10114.83700.148
GN05 (PS100)PS100/202-12079.2873-18.09782016-08-21T02:40-362249.9107.1400.64314.48300.116
GN05 (PS100)PS100/202-12079.2873-18.09782016-08-21T02:40-3626150.31523.7820.16114.73900.074
GN05 (PS100)PS100/241-1 2279.5688-19.51802016-08-23T21:31-4691370.2714.7980.20414.67700.095
GN05 (PS100)PS100/241-12279.5688-19.51802016-08-23T21:31-4691739.6405.7010.25714.91300.097
GN05 (PS100)PS100/241-12279.5688-19.51802016-08-23T21:31-4692119.8207.0810.21214.44500.058
GN05 (PS100)PS100/241-12279.5688-19.51802016-08-23T21:31-4695299.63032.5210.09515.04600.060
GN05 (PS100)PS100/241-12279.5688-19.51802016-08-23T21:31-4698150.31522.4760.16115.30100.230
GN05 (PS100)PS100/274-2 2480.1493-17.38082016-08-29T00:54-1781074.2757.0500.28214.60900.066
GN05 (PS100)PS100/274-22480.1493-17.38082016-08-29T00:54-1781629.7305.9860.41915.03300.173
GN05 (PS100)PS100/274-22480.1493-17.38082016-08-29T00:54-1782161.21632.5350.11415.18200.099
GN05 (PS100)PS100/274-22480.1493-17.38082016-08-29T00:54-178249.9106.5650.21315.25800.076
GN05 (PS100)PS100/280-1 2579.5890-4.77182016-08-30T14:59-133612225.52281.9910.07015.26600.153
GN05 (PS100)PS100/280-12579.5890-4.77182016-08-30T14:59-13361875.2762.6380.13915.19900.175
GN05 (PS100)PS100/280-12579.5890-4.77182016-08-30T14:59-133621259.612772.0580.12316.16900.194
GN05 (PS100)PS100/280-12579.5890-4.77182016-08-30T14:59-13366599.76072.3760.08915.23200.069
GN05 (PS100)PS100/028-1 378.98606.99432016-07-24T19:20-120010350.03541.6380.07815.40600.116
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-120012250.22531.8140.04115.57800.047
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-120014175.11771.9100.12415.57100.117
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-120016124.61261.6890.09715.64800.149
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-12001875.2761.4100.02515.71700.063
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-120021128.811441.6280.06915.62300.180
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-1200229.9101.9850.05015.30500.061
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-12004900.49121.9170.15315.43000.177
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-12006700.37092.1380.15015.36100.108
GN05 (PS100)PS100/028-1378.98606.99432016-07-24T19:20-12009400.34051.9850.08415.48500.077
GN05 (PS100)PS100/033-1 478.81934.99732016-07-25T18:15-268812599.826442.2400.07815.59400.109
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268811500.15063.3720.53914.25100.150
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268813299.63032.7960.11915.05600.060
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268815199.82022.0860.21915.55500.226
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268817150.31521.7390.03915.92000.064
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-26881999.91011.7500.02015.01100.038
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-26882151.4521.9420.08715.69000.110
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-2688249.9101.7720.06215.62100.086
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268832199.722351.5940.01915.54800.070
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268851649.716742.0910.08915.48900.108
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-268871199.712161.6010.00815.58900.023
GN05 (PS100)PS100/033-1478.81934.99732016-07-25T18:15-26889798.98091.7490.09215.42500.185
GN05 (PS100)PS100/037-1 578.83333.50252016-07-26T15:57-230112400.34051.7290.02615.96900.048
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-230117150.31521.8890.10415.60200.164
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-23011999.91012.2820.02115.77700.032
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-23012151.4522.8270.17015.82700.135
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-2301249.9102.8280.19815.88800.151
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-230151500.515222.0420.05115.72600.102
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-23017999.910132.2210.05016.32600.171
GN05 (PS100)PS100/037-1578.83333.50252016-07-26T15:57-23019700.37091.6540.06615.59400.148
GN05 (PS100)PS100/042-1 678.8337-0.89932016-07-27T19:01-260112500.125421.7870.05816.23200.154
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-260112400.34052.6150.05215.82500.071
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-260117150.31521.8260.03715.94800.152
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-26012153.4541.9190.16315.70000.181
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-2601249.9102.1550.07515.72700.086
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-260132249.622861.7780.01415.74400.031
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-260151748.917751.6030.02815.54700.062
GN05 (PS100)PS100/042-1678.8337-0.89932016-07-27T19:01-26019799.98101.9060.05715.63000.102
GN05 (PS100)PS100/053-2 880.8532-0.20582016-07-31T14:28-317013120.831782.0170.03515.47000.070
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317011500.05062.0510.04615.68000.055
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317013299.63032.0070.06515.44900.093
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317015199.82021.9650.08415.60100.117
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-31701999.91012.8810.07915.94100.120
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-31702152.4533.2090.12815.15200.083
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317032499.925421.8630.01115.70600.024
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317041999.820312.3700.04715.42500.031
GN05 (PS100)PS100/053-2880.8532-0.20582016-07-31T14:28-317071249.812673.2810.16414.88400.060
GN05 (PS100)PS100/056-1 980.3258-4.00932016-08-01T13:26-254412481.425231.7740.05314.89600.074
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254411400.34052.2500.05115.38500.046
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254413250.22532.0250.07616.01700.120
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254416174.11762.5040.06315.90500.056
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254418124.61262.9250.12415.55100.124
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-25442075.2763.1670.26915.68900.353
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-25442234.6354.3950.09915.77500.079
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-2544249.9105.9700.24114.75200.096
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254431999.820311.7680.09314.92200.119
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-254451500.415222.0520.12315.39600.169
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-25447999.810132.4450.11015.52000.109
GN05 (PS100)PS100/056-1980.3258-4.00932016-08-01T13:26-25449599.76072.7750.36115.52600.248