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Abrahamsson, Katarina (2004): Halocarbons in surface water from SWEDARP97/98 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.64912, Supplement to: Abrahamsson, Katarina; Bertilsson, Stefan; Chierici, Melissa; Fransson, Agneta; Froneman, P W; Lorén, A; Pakhomov, Evgeny A (2004): Variations of biogeochemical parameters along a transect in the Southern Ocean, with special emphasis on volatile halogenated organic compounds. Deep Sea Research Part II: Topical Studies in Oceanography, 51(22-24), 2745-2756, https://doi.org/10.1016/j.dsr2.2004.09.004

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Abstract:
A number of parameters of biogeochemical interest were monitored along a north–southerly transect (S 43-S 63°) in the Atlantic Sector of the Southern Ocean from the 8th to the 20th of December 1997. Changes in total dissolved inorganic carbon (CT) and total alkalinity (AT) were mostly dependent on temperature and salinity until the ice edge was reached. After this point only a weak correlation was seen between these. Highest mean values of CT and AT were observed in the Winter Ice Edge (WIE) (2195 and 2319 µmol/kg, respectively). Lowest mean AT (2277 µmol/kg) was observed in the Sub-Antarctic Front (SAF), whereas lowest mean CT concentration (2068 µmol/kg) was associated with the Sub-Tropical Front (STF). The pH in situ varied between 8.060 and 8.156 where the highest values were observed in the southern part of the Antarctic Polar Front (APF) and in the Summer Ice Edge (SIE) Region . These peaks were associated with areas of high chlorophyll a (chl a) and tribromomethane values. In the other areas the pH in situ was mainly dependent on hydrography. Bacterial abundance decreased more than one order of magnitude when going from north to south. The decrease appeared to be strongly related to water temperature and there were no elevated abundances at frontal zones. Microphytoplankton dominated in the SAF and APF, whereas the nano- and picoplankton dominated outside these regions.
Volatile halogenated compounds were found to vary both with regions, and with daylight. For the iodinated compounds, the highest concentrations were found north of the STF. Brominated hydrocarbons had high concentrations in the STF, but elevated concentrations were also found in the APF and SIE regions. No obvious correlation could be found between the occurrence of individual halocarbons and chl a. On some occasions trichloroethene and tribromomethane related to the presence of nano- and microplankton, respectively.
Coverage:
Median Latitude: -52.895896 * Median Longitude: 6.814634 * South-bound Latitude: -62.769500 * West-bound Longitude: 3.627000 * North-bound Latitude: -43.012000 * East-bound Longitude: 12.390500
Minimum DEPTH, water: 10 m * Maximum DEPTH, water: 10 m
Event(s):
SWEDARP_97/98 * Latitude Start: -43.012000 * Longitude Start: 12.390500 * Latitude End: -62.769500 * Longitude End: 3.627000 * Elevation Start: 0.0 m * Elevation End: 0.0 m * Campaign: SWEDARP_97/98 * Basis: S. A. Agulhas * Method/Device: Water pump (PUMP)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
DEPTH, waterDepth watermGeocode
IodomethaneCH3Ipmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
DichloromethaneCH2Cl2pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
TrichloromethaneCHCl3pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
1-IodoethaneCH3CH2Ipmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
BromochloromethaneCH2BrClpmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
1,1,1-TrichloroethaneCCl3CH3pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
10 TetrachloromethaneCCl4pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
11 2-IodobutaneCH3CHICH2CH3pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
12 TrichloroetheneC2HCl3pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
13 DichlorobromomethaneCHCl2Brpmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
14 DibromomethaneCH2Br2pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
15 ChloroiodomethaneCH2ClIpmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
16 TetrachloroetheneC2Cl4pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
17 DibromochloromethaneCHBr2Clpmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
18 1-IodobutaneCH3CH2CH2CH2Ipmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
19 TribromomethaneCHBr3pmol/lAbrahamsson, KatarinaGas chromatography, Ekdal & Abrahamsson, 1997
20 Chlorophyll a microplanktonChl a microplµg/lAbrahamsson, KatarinaFluorometry, after filtration
21 Chlorophyll a nanoplanktonChl a nanoplµg/lAbrahamsson, KatarinaFluorometry, after filtration
22 Chlorophyll a picoplanktonChl a picoplµg/lAbrahamsson, KatarinaFluorometry, after filtration
23 Chlorophyll aChl aµg/lAbrahamsson, KatarinaFluorometry, after filtration
24 Carbon dioxide, partial pressurepCO2µatmAbrahamsson, Katarina
25 Carbon, inorganic, dissolvedDICµmol/lAbrahamsson, KatarinaTitration
26 Temperature, waterTemp°CAbrahamsson, KatarinaCTD
27 SalinitySalAbrahamsson, KatarinaCTD
28 pHpHAbrahamsson, KatarinaCalculated
29 Sample code/labelSample labelAbrahamsson, Katarina
30 BacteriaBact#/mlAbrahamsson, KatarinaCounting by flow cytometer
Size:
2063 data points

Data

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


Latitude

Longitude

Depth water [m]

CH3I [pmol/l]

CH2Cl2 [pmol/l]

CHCl3 [pmol/l]

CH3CH2I [pmol/l]

CH2BrCl [pmol/l]

CCl3CH3 [pmol/l]
10 
CCl4 [pmol/l]
11 
CH3CHICH2CH3 [pmol/l]
12 
C2HCl3 [pmol/l]
13 
CHCl2Br [pmol/l]
14 
CH2Br2 [pmol/l]
15 
CH2ClI [pmol/l]
16 
C2Cl4 [pmol/l]
17 
CHBr2Cl [pmol/l]
18 
CH3CH2CH2CH2I [pmol/l]
19 
CHBr3 [pmol/l]
20 
Chl a micropl [µg/l]
21 
Chl a nanopl [µg/l]
22 
Chl a picopl [µg/l]
23 
Chl a [µg/l]
24 
pCO2 [µatm]
25 
DIC [µmol/l]
26 
Temp [°C]
27 
Sal
28 
pH
29 
Sample label
30 
Bact [#/ml]
-62.76953.6270101.572032.221.3386.1713.18.4350.3156.170.334.650.590.290.280.001.70.1030.1320.0990.45354.502216.0-1.8333.918.03U80
-62.49923.8607102.172082.171.6988.1812.88.3500.4065.840.364.110.590.360.360.002.80.1040.1600.1140.41275.702227.5-1.5034.00U79
-62.25424.0895101.932242.071.1590.0313.48.7660.3746.610.334.500.510.410.280.002.70.0330.0680.0550.19342.002221.1-1.2733.768.05u78
-62.01824.2577101.222142.140.7981.5012.79.1460.3111.170.294.590.460.310.280.003.60.0550.1140.0890.28332.902216.2-1.6133.908.06u77110.000
-61.76134.4258100.792442.550.50114.4013.78.8930.507.680.225.690.350.260.330.007.20.0600.1250.0970.33326.702209.7-1.7333.558.07u76
-61.51484.6408101.022552.541.02116.2614.69.3990.5219.820.375.740.450.520.480.006.50.0430.1150.0900.32324.202210.3-1.7433.768.07u75134.000
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-61.02424.8747101.092612.480.69119.4914.49.3290.5711.910.365.660.340.240.280.003.20.0310.1200.0580.26330.702208.9-1.7033.808.06u7389.500
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-59.51284.9940102.082392.420.87110.3613.99.4700.5519.890.425.280.320.290.330.002.60.0300.0540.0810.21351.802234.9-0.9734.008.04u6761.000
-59.25804.9955102.002442.471.03112.3013.89.3680.5719.690.395.310.400.300.350.002.20.0300.0490.0870.202242.6-0.7034.19u66
-59.01435.0022101.922402.4794.55111.8414.39.6870.5620.280.375.400.370.320.350.002.90.0090.0460.0670.19358.902242.0-0.7334.258.04u6571.800
-58.76455.0288101.892382.560.61108.8113.29.0250.5417.580.425.020.380.260.340.002.50.0490.0540.1110.25362.102241.4-0.6334.248.03u64
-58.52455.0795102.002502.311.09110.6313.69.3720.5312.260.385.270.430.280.480.004.50.1160.0740.1230.35350.802243.2-0.7034.208.04u6364.000
-58.26154.9938102.042392.131.28104.8313.89.5100.4922.000.334.960.440.180.340.002.30.1370.0780.1090.36352.402242.8-0.7234.228.04u62
-58.02774.9917101.592352.261.29102.2814.09.6000.4120.610.525.060.490.270.450.083.10.1450.1050.0960.36352.102240.1-0.8034.188.04u61112.000
-57.76474.9967101.302132.110.7286.9413.39.4930.417.310.304.410.470.130.350.002.40.1100.1100.0880.322247.1-0.8134.29u60
-57.52275.0030101.392101.931.8291.9913.69.3720.3423.350.384.560.530.180.390.001.90.0940.1140.0770.30357.202250.2-0.7734.258.04u5986.900
-57.26435.0075101.392232.421.1298.4914.19.7970.4223.490.394.510.420.290.370.001.90.0890.0980.0570.28353.602246.5-0.6634.258.04u58
-57.01285.0038100.982282.071.3199.7213.09.0420.408.610.334.710.320.170.360.002.40.1720.1340.0630.33352.202239.6-0.4734.248.04u57122.000
-56.76925.0133101.302162.341.0790.1814.09.6950.3022.760.334.860.320.230.360.003.20.1720.1260.0730.38355.302241.4-0.8034.268.04u56
-56.51435.0155101.032312.360.8099.2913.89.5600.3526.430.334.970.320.340.480.003.00.1490.1100.0530.27341.402228.5-0.6134.138.06u55146.000
-56.27185.0173100.912212.280.592.704.59.3500.3210.690.250.780.340.240.420.002.20.1070.1090.0560.29340.802241.7-0.7534.138.06u54
-56.02725.0085101.342232.850.3692.1713.99.6260.3025.850.385.010.370.300.480.002.90.1130.0810.0600.25343.002229.7-0.5834.108.05u53134.000
-55.76435.0043100.852342.560.44127.1113.99.4880.5912.770.356.120.200.270.530.0011.60.1300.0840.0600.27339.502253.8-0.5634.108.06u52
-55.52154.9967100.802262.140.51122.5912.68.5600.587.400.275.560.150.230.500.0010.10.1220.0850.0630.27345.002220.9-0.4634.098.05u5192.400
-55.25925.0023100.802392.360.62130.6912.58.7640.609.010.345.900.160.980.570.0012.30.1180.0930.0610.28343.502221.7-0.4734.108.05u50
-55.02304.9975101.042372.360.25128.1913.59.3240.598.550.255.450.110.360.580.0011.60.0640.0910.0470.22343.002217.9-0.3734.098.05u49149.000
-54.77224.9972100.802442.370.41130.2913.59.3470.606.660.265.590.180.280.540.0012.80.1100.0790.0610.26343.202216.6-0.3834.068.06u48
-54.51375.0048101.882292.120.42121.6413.08.9810.497.030.235.410.230.140.530.0010.40.0110.1880.0610.26339.002209.5-0.5134.048.06u47102.000
-54.26405.0028100.822491.871.43127.2513.69.4800.587.340.295.800.220.190.550.0311.30.0560.0910.0550.21344.702208.0-0.2134.098.06u46
-54.01985.0010101.072642.221.95134.8714.59.8320.6022.340.366.080.300.210.660.0611.20.0390.0710.0600.20342.802206.90.0734.038.06U45154.000
-53.77034.9973101.062632.511.18126.9113.69.6000.5916.660.385.490.310.290.650.0013.60.0740.0880.0960.26272.100.1633.80U44
-53.51654.9962100.922551.961.62124.5413.59.3250.559.800.325.400.290.190.560.0010.10.5120.2010.1821.02319.402198.80.2433.948.09U43136.000
-53.26824.9903101.112652.720.64129.5714.39.8310.5923.030.355.670.330.350.580.009.10.2930.1260.1120.56322.502198.30.2933.928.08u42
-53.01434.9980101.492852.431.33129.1913.99.5660.6215.840.375.510.340.360.610.189.00.3260.1460.1170.58316.302182.41.1833.788.08U41134.000
-52.76334.9975101.572641.921.71116.6613.19.1730.6225.340.335.170.190.230.410.123.20.1160.1140.0910.30346.002188.61.4933.828.05U40
-52.51925.1145101.482732.241.10117.7413.69.6920.6329.370.275.100.310.300.350.003.60.1050.1240.0870.35344.302191.11.8233.818.05U39181.000
-52.27175.3183101.572712.250.59118.6413.59.4970.6333.200.265.100.250.330.370.063.30.1270.1290.0830.34351.202187.51.8133.818.05U38
-52.01325.5542101.572732.370.95111.4413.29.4360.5931.720.324.600.340.360.360.003.70.0960.1260.0870.32352.302184.81.7933.698.05U37214.000
-51.85425.6823101.482612.151.42108.7613.19.2190.5517.060.304.640.260.270.320.003.60.1240.1080.0840.38354.102188.61.5133.858.05U36
-51.51905.9418101.542672.321.66106.5213.19.2030.5335.100.324.530.400.220.280.000.60.0660.1930.1110.37333.002180.72.4833.838.06U35171.000
-51.27286.1365101.562462.870.7593.8412.38.3300.4529.570.294.310.320.210.250.001.00.0470.1880.1330.41335.102180.43.1833.808.06U34
-51.01136.3552101.422352.871.8489.9212.48.4530.4435.950.344.160.310.220.230.080.80.0480.2100.1130.43347.302176.73.2133.818.06U33115.000
-50.76836.5575101.562542.390.7991.4212.08.5140.4840.720.264.280.300.190.320.001.30.0500.2590.0840.45353.003.2333.818.05U32
-50.53576.7575101.502472.160.7586.4911.58.2260.4322.730.203.930.220.170.320.271.20.0910.2190.1340.56345.203.3933.828.06U31147.000
-50.26226.9748101.912402.531.2989.5312.68.6240.4151.260.364.210.310.220.300.000.40.1480.2170.1000.59336.403.6733.798.07U30
-50.01757.1633101.742412.161.3290.1812.08.1450.4124.410.343.990.000.270.440.000.80.1620.1970.1040.58338.103.7533.828.07U29194.000
-49.77187.3652101.882382.421.3791.8211.87.7700.4256.780.374.270.200.240.340.000.80.1850.2550.1210.59335.102154.53.9033.818.07U28
-49.52837.5580101.822492.291.4590.2211.67.7320.4259.290.364.210.260.270.400.121.00.2410.1990.0850.77339.302161.03.9233.788.07U27255.000
-49.27787.7508101.722612.962.2289.1811.47.5870.4065.090.784.050.000.350.430.180.2300.2370.0860.60343.602152.84.0533.838.06U26
-49.03107.9460101.742882.010.7099.6813.27.9310.43104.300.244.390.250.390.310.002.00.1260.3050.1060.65341.602154.04.1433.758.06U25253.000
-48.77728.1612102.722893.280.0099.7616.68.1550.43165.210.385.180.662.770.490.600.90.0600.1790.1530.462152.44.6633.76U24
-48.52128.3547100.0200.1100.1190.312149.75.0433.888.05289.000
-48.26378.5590100.0730.1620.1190.412153.64.9733.778.05
-48.01878.7417101.782331.891.2767.808.96.2190.2719.000.383.140.300.470.440.350.0320.1370.0850.32360.902157.64.8333.798.04U21265.000
-47.77188.9217101.722791.951.96122.8911.88.2460.7210.630.424.190.400.540.310.194.50.0400.1310.0830.28360.002154.85.0833.798.04u20
-47.53189.0967101.502811.467.62125.3610.27.1270.688.420.123.700.080.220.270.003.20.0260.1020.0780.24360.202161.05.0533.858.04u19367.000
-47.27439.2915101.632771.810.64121.339.76.7160.687.720.242.360.200.610.230.001.90.0060.1070.0780.23356.802145.35.5833.928.04U18
-47.02509.4910101.822661.501.46112.279.46.7920.6512.390.264.090.291.140.240.110.30.0160.1130.0860.23360.702148.55.6133.898.04u17218.000
-46.75929.7040101.623001.491.36127.999.16.4270.7310.070.264.350.320.230.270.100.80.1060.1410.1040.40335.502141.86.7734.018.05U16
-46.51579.8923101.822801.530.95127.198.86.1220.7310.870.224.280.360.130.310.131.80.4700.1700.0800.84326.302127.97.8934.148.07u15360.000
-46.264810.0797101.872831.521.25127.279.16.2900.7313.300.253.480.370.200.250.141.20.1110.0810.0760.33344.402127.98.4234.068.06u14
-46.023310.2473101.702791.530.77126.058.26.0110.749.100.223.680.300.230.210.110.60.1710.0770.0790.40351.802112.18.4734.128.06u13553.000
-45.766310.4278101.842991.361.30146.308.95.8080.7713.140.243.950.390.180.290.250.60.3140.1110.0900.59344.602098.98.4134.158.07u12
-45.517510.5987102.043291.630.83159.168.95.9230.8614.810.223.820.350.170.230.211.40.2660.1040.0920.55344.502096.38.5734.178.07u111010.000
-45.262810.7762102.072991.600.81140.908.45.8060.8115.760.233.440.420.170.260.191.50.3060.1040.1140.63343.702113.78.5434.188.07u10
-45.033010.9432102.413041.650.70143.348.15.6070.8216.080.092.970.000.120.090.131.30.3300.0690.0960.60346.702122.88.5934.178.07u9685.000
-44.763011.1447102.293401.770.83170.609.26.0480.9518.780.234.420.300.220.280.191.80.2480.0700.0800.41353.002123.78.5734.088.06U8
-44.516211.3198102.493131.540.87146.878.15.5680.8314.300.224.010.110.170.220.172.00.1900.0780.0610.35351.102127.98.5234.128.06u7778.000
-44.264211.5043101.933702.851.74194.699.05.8221.2214.280.455.490.330.410.410.296.20.2130.0970.0980.50358.802119.28.4334.008.06u6
-44.026811.6730102.103471.991.37193.038.25.3631.198.150.294.440.220.260.100.396.80.1560.0860.0940.362106.99.1334.29u5722.000
-43.889011.7773102.495621.740.89212.918.45.4541.6512.730.225.190.150.140.080.266.50.0700.0610.0750.20359.002119.59.6234.228.05u4
-43.519812.0493103.093971.700.87213.547.34.8671.447.920.215.800.120.120.340.1412.30.2100.1320.1420.602111.310.5334.53u3666.000
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-43.012012.3905107.482542.302.57115.926.83.9240.8221.580.414.582.030.220.290.182.80.0960.1640.1460.58350.702101.712.5234.758.08u11280.000