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  • 1
    Publication Date: 2024-06-11
    Description: Highlights • Statistically different gas geochemistry was observed in two adjacent springs. • About 74% of helium was contributed by the mantle. • Excess N2 relative to Ar was attributed to subducted materials and seawater mixing. • Magmatic CO2 has been largely removed by calcite precipitation in the reaction zone. • The residual CO2 may also be supplied by microbial oxidation of alkanes. Gas emissions from hydrothermal systems can serve as indicators of subsurface activity. In addition to gas sources, hydrothermal gas geochemistry is strongly influenced by secondary processes that occur during/after hydrothermal circulation. Here, we observed statistically significant differences in the geochemical characteristics (except for helium isotopes) of bubbling gases discharged from two adjacent vents in the Northern Luzon Arc. Helium (3He/4He = 4.25–7.09 Ra) in both vents was controlled by mixing between mantle and crustal components, where about 74% of helium was contributed by the mantle. Differences in N2/Ar ratios (∼ 300–330) of the two neighboring springs are attributed to subducted materials and seawater mixing (contributing ∼2.5% N2 and Ar), rather than phase separation in the reaction zone. Specifically, Ar was mainly supplied by atmospheric components that dissolved in the percolated seawater with only 8%–9% contributed by the excess radiogenic 40Ar. Excess N2 relative to Ar was mainly supplied by the decomposition of subducted materials (83%–92%) of the South China Sea plate beneath the Philippine Sea Plate. The Lutao gases showed low CO2 concentrations (0.07–22.2 mmol/mol), despite the high 3He/4He ratios indicating a significant contribution of magmatic components. Magmatic CO2 may have been largely consumed by the high Ca Lutao vent fluids via carbonate precipitation in the reaction zone. Alternatively, stable carbon isotope compositions (δ13C) indicate that Lutao CO2 may be supplied by microbial oxidation of alkanes (e.g., CH4 with concentrations of 14.6–173 mmol/mol in the samples), with fractionation factor ΔCO2–CH4 ranging from −15‰ to −25‰ and conversion rates of 〈10%. Up to 65% of the CO2 in the 2016 samples experienced secondary calcite precipitation in the discharge zone. Our results indicate that recycled subducted materials could potentially affect the geochemical characteristics of gases discharged from arc-volcanic systems. In addition, the influence of secondary processes needs to be considered before tracing the sources of hydrothermal fluids and/or gases, especially in shallow-water hydrothermal systems.
    Type: Article , PeerReviewed
    Format: text
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  • 2
    Publication Date: 2024-06-11
    Description: Abundant mineral resources in the deep sea are prospected for mining for the global metal market. Seafloor massive sulphide (SMS) deposits along the Mid-Atlantic Ridge are one of the potential sources for these metals. The extraction of SMS deposits will expose adjacent marine ecosystems to suspended particle plumes charged with elevated concentrations of heavy metals and other potentially toxic compounds. Up to date there is no information about the impact of mining activities on deep-sea benthic ecosystems such as abundant deep-sea sponge grounds in the North Atlantic Ocean. Sponge grounds play a major role in benthic-pelagic coupling and represent an important habitat for a diversity of vertebrates, invertebrates and microorganisms. To simulate the effects of mining plumes on benthic life in the deep sea, we exposed Geodia barretti, a dominant sponge species in the North Atlantic Ocean, and an associated brittle star species from the genus Ophiura spp. to a field-relevant concentration of 30 mg L−1 suspended particles of crushed SMS deposits. Three weeks of exposure to suspended particles of crushed SMS resulted in a tenfold higher rate of tissue necrosis in sponges. All brittle stars in the experiment perished within ten days of exposure. SMS particles were evidently accumulated in the sponge's mesohyl and concentrations of iron and copper were 10 times elevated in SMS exposed individuals. Oxygen consumption and clearance rates were significantly retarded after the exposure to SMS particles, hampering the physiological performance of G. barretti. These adverse effects of crushed SMS deposits on G. barretti and its associated brittle star species potentially cascade in disruptions of benthic-pelagic coupling processes in the deep sea. More elaborate studies are advisable to identify threshold levels, management concepts and mitigation measures to minimize the impact of deep-sea mining plumes on benthic life.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
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  • 3
    Publication Date: 2024-06-10
    Keywords: 64PE313; Biogenic Reef Ichthyofauna Lander; BRIL; Conductivity; CoralFISH; Current direction; Current meter, pitch; Current meter, roll; Current meter, SeaGuard; Current meter, tilt; Current speed; Current velocity, east-west; Current velocity, north-south; Current velocity, vertical; DATE/TIME; DEPTH, water; Ecosystem based management of corals, fish and fisheries in the deep waters of Europe and beyond; Event label; HERMIONE; Hotspot Ecosystem Research and Mans Impact On European Seas; LATITUDE; Log info; LONGITUDE; NIOZ-64PE313_2009-10-25T1722_Lander; Pelagia; Pressure, water; Salinity; Signal strength; Stations=58&61; Lander deployment=5; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 12894 data points
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  • 4
    Publication Date: 2024-06-10
    Description: Temperature, salinity, oxygen data and CFC-12 measured on RV Maria S. Merian Cruise MSM05/1 Las Palmas - St. John's 04/14 - 05/03/2007 Chief Scientist: Monika Rhein Region: Subpolar North Atlantic
    Keywords: 1; 10; 11; 12; 13; 15; 16; 17; 18; 19; 2; 20; 21; 22; 23; 24; 25; 26; 28; 29; 3; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 4; 40; 5; 6; 7; 8; 9; anthropogenic tracers; Bottle number; Calculated; Capillary-chromatographic system with electron capture detector; CTD, SEA-BIRD SBE 9 plus, SBE 11 plus deck unit; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Der Nordatlantik als Teil des Erdsystems; Elevation of event; Event label; Freon-12 (dichlorodifluoromethane); Latitude of event; Longitude of event; Maria S. Merian; MSM05/1; MSM05/1_394; MSM05/1_395; MSM05/1_396; MSM05/1_397; MSM05/1_398; MSM05/1_399; MSM05/1_400; MSM05/1_401; MSM05/1_402; MSM05/1_403; MSM05/1_404; MSM05/1_405; MSM05/1_406; MSM05/1_408; MSM05/1_409; MSM05/1_410; MSM05/1_411; MSM05/1_412; MSM05/1_413; MSM05/1_414; MSM05/1_415; MSM05/1_416; MSM05/1_417; MSM05/1_418; MSM05/1_419; MSM05/1_424; MSM05/1_425; MSM05/1_426; MSM05/1_427; MSM05/1_428; MSM05/1_429; MSM05/1_430; MSM05/1_431; MSM05/1_432; MSM05/1_433; MSM05/1_434; MSM05/1_435; MSM05/1_436; Nordatlantik; Oxygen; Oxygen, Winkler (Culberson, 1991, WOCE Report 68/91); Oxygen sensor, SBE 43; Pressure, water; Profile ID; Salinity; Station label; subpolar North Atlantic; Temperature, water; Temperature, water, potential; Time in days
    Type: Dataset
    Format: text/tab-separated-values, 8539 data points
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  • 5
    Publication Date: 2024-06-10
    Description: Temperature, salinity and CFCs measured on the RV Maria S. Merian Cruise MSM21/2 Reykjavik - Nuuk 25th June - 24th July 2012 Chief Scientist: Dagmar Kieke Region: Subpolar North Atlantic
    Keywords: anthropogenic tracers; Bottle number; Calculated; Capillary-chromatographic system with electron capture detector; CTD, SEA-BIRD SBE 9 plus, SBE 11 plus deck unit; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Freon-11 (trichorofluoromethane); Freon-12 (dichlorodifluoromethane); Latitude of event; Longitude of event; Maria S. Merian; MSM21/2; MSM21/2_383-1; MSM21/2_387-1; MSM21/2_388-1; MSM21/2_389-1; MSM21/2_390-1; MSM21/2_394-1; MSM21/2_395-1; MSM21/2_396-1; MSM21/2_397-1; MSM21/2_400-1; MSM21/2_403-1; MSM21/2_407-1; MSM21/2_408-1; MSM21/2_410-1; MSM21/2_412-1; MSM21/2_415-1; MSM21/2_416-1; MSM21/2_421-1; MSM21/2_427-1; MSM21/2_428-1; MSM21/2_429-1; MSM21/2_430-1; MSM21/2_431-1; MSM21/2_432-1; MSM21/2_433-1; MSM21/2_434-1; MSM21/2_435-1; MSM21/2_436-1; MSM21/2_440-1; MSM21/2_444-1; MSM21/2_445-1; MSM21/2_446-1; MSM21/2_447-1; MSM21/2_448-1; MSM21/2_449-1; MSM21/2_450-1; MSM21/2_454-1; MSM21/2_455-1; MSM21/2_456-1; MSM21/2_457-1; MSM21/2_458-1; MSM21/2_460-1; MSM21/2_461-1; MSM21/2_463-1; MSM21/2_464-1; MSM21/2_465-1; MSM21/2_467-1; MSM21/2_468-1; MSM21/2_469-1; MSM21/2_470-1; MSM21/2_471-1; MSM21/2_475-1; MSM21/2_476-1; MSM21/2_477-1; MSM21/2_478-1; MSM21/2_480-1; MSM21/2_481-1; MSM21/2_482-1; MSM21/2_484-1; MSM21/2_485-1; MSM21/2_486-1; MSM21/2_488-1; MSM21/2_489-1; MSM21/2_491-1; MSM21/2_492-1; MSM21/2_494-1; MSM21/2_495-1; MSM21/2_496-1; MSM21/2_497-1; MSM21/2_498-1; MSM21/2_499-1; msm212_000; msm212_001; msm212_002; msm212_003; msm212_004; msm212_005; msm212_006; msm212_007; msm212_008; msm212_009; msm212_010; msm212_011; msm212_012; msm212_013; msm212_014; msm212_015; msm212_016; msm212_017; msm212_018; msm212_019; msm212_020; msm212_021; msm212_022; msm212_023; msm212_024; msm212_025; msm212_026; msm212_027; msm212_037; msm212_038; msm212_039; msm212_040; msm212_041; msm212_042; msm212_043; msm212_044; msm212_045; msm212_046; msm212_047; msm212_048; msm212_049; msm212_050; msm212_051; msm212_052; msm212_053; msm212_054; msm212_055; msm212_056; msm212_057; msm212_058; msm212_059; msm212_060; msm212_061; msm212_062; msm212_063; msm212_064; msm212_065; msm212_066; msm212_067; msm212_068; msm212_069; msm212_070; msm212_071; msm212_072; msm212_073; msm212_074; msm212_075; msm212_076; msm212_078; msm212_079; Pressure, water; Profile ID; Salinity; South Atlantic Ocean; Station label; subpolar North Atlantic; Temperature, water; Temperature, water, potential; Time in days
    Type: Dataset
    Format: text/tab-separated-values, 14657 data points
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  • 6
    Publication Date: 2024-06-10
    Description: Temperature, salinity, oxygen data and anthropogenic tracers measured on the Maria S. Merian Cruise MSM27 St. John's - St. John's 04/19 - 05/06/2013 Chief Scientist: Dagmar Kieke Region: Flemish Pass, Orphan Basin, DWBC east of Flemish Cap
    Keywords: anthropogenic tracers; Bottle number; Calculated; CTD, SEA-BIRD SBE 9 plus, SBE 11 plus deck unit; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Flemish Pass Variability; FLEPVAR; Freon-11 (trichorofluoromethane); Freon-12 (dichlorodifluoromethane); Latitude of event; Longitude of event; Maria S. Merian; MSM27; MSM27_138-1; MSM27_139-1; MSM27_140-1; MSM27_141-1; MSM27_142-1; MSM27_143-1; MSM27_144-1; MSM27_145-1; MSM27_146-1; MSM27_147-1; MSM27_148-1; MSM27_149-1; MSM27_150-1; MSM27_152-1; MSM27_153-1; MSM27_154-1; MSM27_155-1; MSM27_156-1; MSM27_157-2; MSM27_162-1; MSM27_163-1; MSM27_164-1; MSM27_165-1; MSM27_166-1; MSM27_167-1; MSM27_168-1; MSM27_169-1; MSM27_170-1; MSM27_171-1; MSM27_172-1; MSM27_173-1; MSM27_174-1; MSM27_175-1; MSM27_176-1; MSM27_177-1; MSM27_178-1; MSM27_179-1; MSM27_180-1; MSM27_181-1; MSM27_182-1; MSM27_183-1; MSM27_184-1; MSM27_185-1; MSM27_186-1; MSM27_187-1; MSM27_188-1; MSM27_189-1; MSM27_190-1; MSM27_191-1; MSM27_192-1; MSM27_193-1; MSM27_194-1; MSM27_195-1; MSM27_196-1; MSM27_197-1; MSM27_198-1; MSM27_199-1; MSM27_200-1; MSM27_201-1; MSM27_202-1; MSM27_203-1; MSM27_204-1; MSM27_205-1; MSM27_206-1; MSM27_207-1; MSM27_208-1; MSM27_209-1; MSM27_210-1; MSM27_211-1; MSM27_212-1; MSM27_213-1; MSM27_214-1; MSM27_215-1; MSM27_216-1; MSM27_217-1; MSM27_218-1; MSM27_219-1; MSM27_220-1; MSM27_221-1; MSM27_223-1; MSM27_224-1; MSM27_225-1; MSM27_226-1; MSM27_227-1; MSM27_228-1; MSM27_229-1; MSM27_230-1; MSM27_231-1; MSM27_232-1; MSM27_233-1; MSM27_234-1; MSM27_235-1; MSM27_236-1; MSM27_237-1; MSM27_239-1; MSM27_240-1; MSM27_241-1; MSM27_242-1; MSM27_243-1; MSM27_244-1; MSM27_245-1; MSM27_246-1; MSM27_247-1; MSM27_248-1; MSM27_249-1; MSM27_250-1; MSM27_251-1; MSM27_252-1; MSM27_253-1; MSM27_254-1; MSM27_255-1; MSM27_256-1; MSM27_257-1; MSM27_258-1; MSM27_259-1; MSM27_260-1; MSM27_261-1; MSM27_262-1; MSM27_263-1; MSM27_264-1; MSM27_265-1; MSM27_266-1; MSM27_267-1; MSM27_268-1; MSM27_269-1; Oxygen; Oxygen sensor, SBE 43; Pressure, water; Profile ID; Salinity; South Atlantic Ocean; Station label; subpolar North Atlantic; Temperature, water; Temperature, water, potential; Time in days
    Type: Dataset
    Format: text/tab-separated-values, 20758 data points
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  • 7
    facet.materialart.
    Unknown
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Publication Date: 2024-06-10
    Keywords: Aluminium/Silicon ratio; Biogenic silica; Climate - Biogeochemistry Interactions in the Tropical Ocean; CTD/Rosette; CTD049; CTD065; CTD076; CTD077; CTD080; CTD120; CTD122; CTD134; CTD138; CTD-RO; Date/Time of event; Depth, bottom/max; DEPTH, water; Event label; LATITUDE; LONGITUDE; M93; M93_338-1; M93_354-1; M93_367-1; M93_368-1; M93_369-4; M93_420-1; M93_422-1; M93_436-1; M93_441-4; Meteor (1986); Nitrate and Nitrite; Number; Oxygen; Profile ID; Ratio; SFB754; Silicate; South Pacific Ocean; Standard deviation; Station label; Δδ30Si; δ29Si; δ30Si, biogenic silica; δ30Si, error; δ30Si, silicon dissolved
    Type: Dataset
    Format: text/tab-separated-values, 1174 data points
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  • 8
    Publication Date: 2024-06-10
    Description: Temperature, salinity and CFCs measured on the RV Meteor Cruise M82/2 St. John's - Pta. Delgada 08/04 - 09/01/2010 Chief Scientist: Monika Rhein Region: Subpolar North Atlantic
    Keywords: 513; 514; 515; 516; 517; 518; 519; 523; 524; 525; 526; 527; 528; 529; 530; 532; 533; 535; 545; 547; 548; 550; 551; 556; 560; 566; 571; 575; 579; 584; 587; 589; 591; 592; 601; 603; 604; 609; 610; 611; 612; 613; 617; 619; 620; 622; 623; 625; 626; 627; 628; 629; 631; 632; 633; 634; 636; 637; 638; 639; 640; 643; 646; 649; 652; 655; 658; 662; 665; 668; 671; 673; 674; 675; 676; anthropogenic tracers; Bottle number; Calculated; Capillary-chromatographic system with electron capture detector; CTD, SEA-BIRD SBE 9 plus, SBE 11 plus deck unit; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Der Nordatlantik als Teil des Erdsystems; Elevation of event; Event label; Freon-12 (dichlorodifluoromethane); Latitude of event; Longitude of event; M82/2; M82/2_513-1; M82/2_514-1; M82/2_515-1; M82/2_516-1; M82/2_517-1; M82/2_518-1; M82/2_519-1; M82/2_523-1; M82/2_524-1; M82/2_525-1; M82/2_526-1; M82/2_527-1; M82/2_528-1; M82/2_529-1; M82/2_530-1; M82/2_532-1; M82/2_533-1; M82/2_535-1; M82/2_545-1; M82/2_547-1; M82/2_548-1; M82/2_550-1; M82/2_551-1; M82/2_556-1; M82/2_560-1; M82/2_566-1; M82/2_571-1; M82/2_575-1; M82/2_579-1; M82/2_584-1; M82/2_587-1; M82/2_589-1; M82/2_591-1; M82/2_592-1; M82/2_601-1; M82/2_603-1; M82/2_604-1; M82/2_609-1; M82/2_610-1; M82/2_611-1; M82/2_612-1; M82/2_613-1; M82/2_617-1; M82/2_619-1; M82/2_620-1; M82/2_622-1; M82/2_623-1; M82/2_625-1; M82/2_626-1; M82/2_627-1; M82/2_628-1; M82/2_629-1; M82/2_631-1; M82/2_632-1; M82/2_633-1; M82/2_634-1; M82/2_636-1; M82/2_637-1; M82/2_638-1; M82/2_639-1; M82/2_640-1; M82/2_643-1; M82/2_646-1; M82/2_649-1; M82/2_652-1; M82/2_655-1; M82/2_658-1; M82/2_662-1; M82/2_665-1; M82/2_668-1; M82/2_671-1; M82/2_673-1; M82/2_674-1; M82/2_675-1; M82/2_676-1; Meteor (1986); MULT; Multiple investigations; Nordatlantik; Northeast Atlantic; Oxygen; Oxygen, Winkler (Culberson, 1991, WOCE Report 68/91); Oxygen sensor, SBE 43; Pressure, water; Profile ID; Salinity; Station label; subpolar North Atlantic; Temperature, water; Temperature, water, potential; Time in days
    Type: Dataset
    Format: text/tab-separated-values, 16104 data points
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  • 9
    Publication Date: 2024-06-10
    Description: Temperature, salinity and anthropogenic tracers measured on the RV Maria S. Merian Cruise MSM42 Bermuda - St. John's 05/02 - 05/22/2015 Chief Scientist: Dagmar Kieke Region: around Flemish Cap, Orphan Basin
    Keywords: anthropogenic tracers; Bottle number; Calculated; Capillary-chromatographic system with electron capture detector; CTD, SEA-BIRD SBE 9 plus, SBE 11 plus deck unit; CTD-Acoustic Doppler Current Profiler; CTD-ADCP; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Flemish Pass Variability; FLEPVAR; FLEPVAR2015; Freon-11 (trichorofluoromethane); Freon-12 (dichlorodifluoromethane); Latitude of event; Longitude of event; Maria S. Merian; MSM42; MSM42_100; MSM42_101; MSM42_102; MSM42_103; MSM42_104; MSM42_105; MSM42_106; MSM42_107; MSM42_108; MSM42_109; MSM42_110; MSM42_111; MSM42_112; MSM42_114; MSM42_115; MSM42_116; MSM42_117; MSM42_118; MSM42_119; MSM42_120; MSM42_121; MSM42_122; MSM42_123; MSM42_124; MSM42_125; MSM42_135; MSM42_136; MSM42_137; MSM42_138; MSM42_139; MSM42_140; MSM42_141; MSM42_142; MSM42_143; MSM42_144; MSM42_145; MSM42_146; MSM42_147; MSM42_148; MSM42_149; MSM42_150; MSM42_151; MSM42_152; MSM42_153; MSM42_154; MSM42_155; MSM42_156; MSM42_157; MSM42_158; MSM42_159; MSM42_160; MSM42_161; MSM42_162; MSM42_163; MSM42_164; MSM42_165; MSM42_166; MSM42_167; MSM42_168; MSM42_169; MSM42_170; MSM42_171; MSM42_172; MSM42_173; MSM42_174; MSM42_175; MSM42_176; MSM42_177; MSM42_178; MSM42_179; MSM42_180; MSM42_181; MSM42_182; MSM42_183; MSM42_184; MSM42_185; MSM42_186; MSM42_187; MSM42_188; MSM42_189; MSM42_190; MSM42_191; MSM42_192; MSM42_193; MSM42_194; MSM42_195; MSM42_196; MSM42_197; MSM42_198; MSM42_199; MSM42_200; MSM42_201; MSM42_202; MSM42_203; MSM42_204; MSM42_210; MSM42_50; MSM42_51; MSM42_52; MSM42_53; MSM42_54; MSM42_55; MSM42_56; MSM42_57; MSM42_58; MSM42_59; MSM42_60; MSM42_61; MSM42_62; MSM42_63; MSM42_64; MSM42_65; MSM42_66; MSM42_67; MSM42_68; MSM42_69; MSM42_70; MSM42_71; MSM42_72; MSM42_73; MSM42_74; MSM42_75; MSM42_76; MSM42_77; MSM42_78; MSM42_79; MSM42_80; MSM42_81; MSM42_82; MSM42_83; MSM42_84; MSM42_85; MSM42_86; MSM42_87; MSM42_88; MSM42_89; MSM42_90; MSM42_91; MSM42_92; MSM42_93; MSM42_94; MSM42_95; MSM42_96; MSM42_97; MSM42_98; MSM42_99; Oxygen; Oxygen sensor, SBE 43; Pressure, water; Profile_001; Profile_002; Profile_003; Profile_004; Profile_005; Profile_006; Profile_007; Profile_008; Profile_009; Profile_010; Profile_011; Profile_012; Profile_013; Profile_014; Profile_015; Profile_016; Profile_017; Profile_018; Profile_019; Profile_020; Profile_021; Profile_022; Profile_023; Profile_024; Profile_025; Profile_026; Profile_027; Profile_028; Profile_029; Profile_030; Profile_031; Profile_032; Profile_033; Profile_034; Profile_035; Profile_036; Profile_037; Profile_038; Profile_039; Profile_040; Profile_041; Profile_042; Profile_043; Profile_044; Profile_045; Profile_046; Profile_047; Profile_048; Profile_049; Profile_050; Profile_051; Profile_052; Profile_053; Profile_054; Profile_055; Profile_056; Profile_057; Profile_058; Profile_059; Profile_060; Profile_061; Profile_062; Profile_063; Profile_064; Profile_065; Profile_066; Profile_067; Profile_068; Profile_069; Profile_070; Profile_071; Profile_072; Profile_073; Profile_074; Profile_075; Profile_085; Profile_086; Profile_087; Profile_088; Profile_089; Profile_090; Profile_091; Profile_092; Profile_093; Profile_094; Profile_095; Profile_096; Profile_097; Profile_098; Profile_099; Profile_100; Profile_101; Profile_102; Profile_103; Profile_104; Profile_105; Profile_106; Profile_107; Profile_108; Profile_109; Profile_110; Profile_111; Profile_112; Profile_113; Profile_114; Profile_115; Profile_116; Profile_117; Profile_118; Profile_119; Profile_120; Profile_121; Profile_122; Profile_123; Profile_124; Profile_125; Profile_126; Profile_127; Profile_128; Profile_129; Profile_130; Profile_131; Profile_132; Profile_133; Profile_134; Profile_135; Profile_136; Profile_137; Profile_138; Profile_139; Profile_140; Profile_141; Profile_142; Profile_143; Profile_144; Profile_145; Profile_146; Profile_147; Profile_148; Profile_149; Profile_150; Profile_151; Profile_152; Profile_153; Profile_154; Profile_160; Profile ID; Salinity; South Atlantic Ocean; Station label; subpolar North Atlantic; Sulfur hexafluoride, SF6; Temperature, water; Temperature, water, potential; Time in days
    Type: Dataset
    Format: text/tab-separated-values, 33355 data points
    Location Call Number Expected Availability
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  • 10
    Publication Date: 2024-06-10
    Description: Water sample data from M119. The data are a combination of CTD values at the time of the bottle closing, salinity measurements with an Autosal salinometer, dissolved oxygen measurements by Winkler titration and nutrient measurements. Nutrient samples were collected for analysis of inorganic nutrients - nitrate+nitrite, soluble reactive phosphorus, and silicate from several depths in the upper 200m. About 15mL of seawater was frozen and transported back to Georgia Institute of Technology for analysis using a Lachat QuikChem 8000 flow-injection analysis system (Lachat Instruments, Loveland CO, USA) and following JGOFS methods described by (Knap 1996).
    Keywords: Bottle number; Climate - Biogeochemistry Interactions in the Tropical Ocean; CTD; CTD/Rosette; CTD001; CTD002; CTD003; CTD004; CTD005; CTD006; CTD007; CTD008; CTD009; CTD010; CTD011; CTD012; CTD013; CTD014; CTD015; CTD016; CTD017; CTD018; CTD019; CTD020; CTD022; CTD024; CTD026; CTD027; CTD028; CTD029; CTD030; CTD031; CTD032; CTD033; CTD034; CTD035; CTD036; CTD037; CTD038; CTD039; CTD040; CTD041; CTD042; CTD043; CTD044; CTD045; CTD046; CTD047; CTD048; CTD049; CTD050; CTD051; CTD052; CTD053; CTD054; CTD056; CTD057; CTD058; CTD059; CTD060; CTD061; CTD062; CTD063; CTD064; CTD065; CTD066; CTD067; CTD068; CTD069; CTD070; CTD071; CTD072; CTD073; CTD074; CTD075; CTD076; CTD077; CTD078; CTD079; CTD080; CTD081; CTD082; CTD083; CTD084; CTD085; CTD086; CTD087; CTD088; CTD089; CTD090; CTD091; CTD-Acoustic Doppler Current Profiler; CTD-ADCP; CTD-RO; Date/Time of event; DEPTH, water; Event label; Guildline autosal salinometer; LATITUDE; LONGITUDE; M119; M119_684-1; M119_686-1; M119_692-1; M119_697-1; M119_698-1; M119_700-1; M119_703-1; M119_704-1; M119_706-1; M119_708-1; M119_714-1; M119_718-1; M119_722-1; M119_723-1; M119_724-1; M119_725-1; M119_729-1; M119_731-1; M119_733-1; M119_734-1; M119_737-1; M119_740-1; M119_745-1; M119_747-1; M119_750-1; M119_753-1; M119_754-1; M119_755-1; M119_756-1; M119_758-1; M119_759-1; M119_761-1; M119_762-1; M119_764-1; M119_765-1; M119_766-1; M119_770-1; M119_774-1; M119_780-1; M119_781-1; M119_782-1; M119_783-1; M119_784-1; M119_785-1; M119_787-1; M119_788-1; M119_789-1; M119_791-1; M119_792-1; M119_793-1; M119_795-1; M119_799-1; M119_801-1; M119_802-1; M119_803-1; M119_804-1; M119_805-1; M119_812-1; M119_814-1; M119_816-1; M119_818-1; M119_825-1; M119_827-1; M119_829-1; M119_833-1; M119_835-1; M119_837-1; M119_840-1; M119_842-1; M119_846-1; M119_848-1; M119_850-1; M119_852-1; M119_855-1; M119_857-1; M119_859-1; M119_861-1; M119_863-1; M119_865-1; M119_867-1; M119_869-1; M119_871-1; M119_873-1; M119_874-1; M119_875-1; M119_876-1; M119_877-1; Meteor (1986); Nitrate; Nitrite; Oxygen; Phosphate; Pressure, water; Profile ID; Quality flag; Run; Salinity; Sample code/label; SFB754; Silicate; Temperature, water; Titration, Winkler
    Type: Dataset
    Format: text/tab-separated-values, 12840 data points
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