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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_946112_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_946112_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_946112_v1/ public [GN01 Dissolved Methane (CH₄)] - Dissolved methane (CH₄) concentrations from the U.S. GEOTRACES Arctic cruise (HLY1502; GN01) on USCGC Healy from August to October 2015 (U.S. Arctic GEOTRACES Study (GN01)) This dataset reports dissolved methane (CH₄) concentrations from the US GEOTRACES Arctic Expedition on USCGC Healy (GN01, HLY1502) from August to October 2015. Seawater samples were collected using the ODF rosette. Both GEOTRACES samples and GO-SHIP samples from the same cruise were analyzed. Methane was analyzed using cavity ringdown spectroscopy to determine its concentration in an equilibrated headspace. Arctic waters are a possibly significant source of this Greenhouse Gas to the atmosphere and global change is likely exacerbating its release. Methane is also a potentially valuable indicator of interactions with the shelf as well as of river inputs. Dissolved methane concentrations in this section were highest over the continental shelves and slope, which supports our understanding of the major sources of methane (i.e., from microbes in oxygen-limited sediments, from gas seeps, and from gas-hydrates).\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nCH4_D_CONC_BOTTLE_fiwgyy (nanomoles per kilogram (nmol/kg))\nSD1_CH4_D_CONC_BOTTLE_fiwgyy (nanomoles per kilogram (nmol/kg))\nFlag_CH4_D_CONC_BOTTLE_fiwgyy (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_946112_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_946112_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_946112_v1/index.htmlTable https://www.bco-dmo.org/dataset/946112 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_946112_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_946112_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_946112_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_931959_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_931959_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_931959_v1/ public [GP09 dissolved trace elements] - Dissolved trace elements in profiles and surface waters collected during the Chinese GEOTRACES cruise (GP09) in the tropical northwest Pacific Ocean from April to June 2019 (Dissolved trace elements in the tropical Northwest Pacific Ocean) This is a study of dissolved trace elements in profiles and surface waters collected during the Spring 2019 Chinese GEOTRACES cruise (GP09) in the tropical northwest Pacific Ocean. GP09 afforded the opportunity to obtain trace element clean water samples (provided by the cruise organizers) from a region that is geologically complex as well as being a meeting place for various ocean currents and water masses. GP09 sampled the southwest corner of the North Pacific subtropical gyre, one of the largest oligotropic ocean regions and arguably the largest continuous ecosystem on Earth. Yet this region has been poorly studied for trace element distributions. We determined dissolved trace element concentrations by using established high-resolution ICP-MS methods.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nEnd_ISO_DateTime_UTC (seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\nEnd_Date_UTC (unitless)\nEnd_Time_UTC (unitless)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nEnd_Latitude (degrees_north)\nEnd_Longitude (degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nBa_D_CONC_BOTTLE_itzwe9 (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_BOTTLE_itzwe9 (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_BOTTLE_itzwe9 (unitless)\nCu_D_CONC_BOTTLE_ccmjgy (nanomoles per kilogram (nmol/kg))\nSD1_Cu_D_CONC_BOTTLE_ccmjgy (nanomoles per kilogram (nmol/kg))\n... (133 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_931959_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_931959_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_931959_v1/index.htmlTable https://www.bco-dmo.org/dataset/931959 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_931959_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_931959_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_931959_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_937120_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_937120_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_937120_v1/ public [GP15 Bulk, Size-fractionated, and Deionized Water Soluble Aerosol Fe Zn Cd Isotopes Leg 1] - Concentrations and stable isotopes of total and deionized water-soluble Fe, Zn, and Cd bulk aerosols and Fe concentrations and stable isotopes of coarse and fine aerosols from Leg 1 of the US GEOTRACES PMT cruise (GP15, RR1814) from Sept to Oct 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset reports concentrations and stable isotopes of total and deionized water-soluble iron (Fe), zinc (Zn), and cadmium (Cd) bulk aerosols and Fe concentrations and stable isotopes of coarse (>0.95 micrometers (µm)) and fine (<0.95 µm) aerosols collected during Leg 1 (RR1814) of the US GEOTRACES GP15 Pacific Meridional Transect (PMT) cruise on R/V Roger Revelle from September to October 2018 on a meridional transect along 152°W from Alaska to Tahiti. Concentration and isotope data were collected by Zachary Bunnell, Dr. Matthias Sieber, and Dr. Tim Conway at the University of South Florida using a Thermo Neptune Plus MC-ICPMS following aerosol collection and processing by Dr. Clifton Buck's group. Trace metal isotope ratios are an important emerging tool in aerosols to trace aerosol sources of each metal. Data from Leg 2 of the cruise (RR1815) are available in a separate dataset.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nEnd_Date_UTC (unitless)\nEnd_Time_UTC (unitless)\nEnd_ISO_DateTime_UTC (seconds since 1970-01-01T00:00:00Z)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nEnd_Latitude (degrees_north)\nEnd_Longitude (degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\nFe_56_54_A_SMLH2O_DELTA_HIVOL_seqqmm (per mil)\nSE2_Fe_56_54_A_SMLH2O_DELTA_HIVOL_seqqmm (per mil)\nFlag_Fe_56_54_A_SMLH2O_DELTA_HIVOL_seqqmm (unitless)\nCd_A_SMLH2O_CONC_HIVOL_ptp6r9 (picomoles per cubic meter (pmol/m^3))\n... (41 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_937120_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_937120_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_937120_v1/index.htmlTable https://www.bco-dmo.org/dataset/937120 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_937120_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_937120_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_937120_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_937148_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_937148_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_937148_v1/ public [GP15 Bulk, Size-fractionated, and Deionized Water Soluble Aerosol Fe Zn Cd Isotopes Leg 2] - Concentrations and stable isotopes of total and deionized water-soluble Fe, Zn, and Cd bulk aerosols and Fe concentrations and stable isotopes of coarse and fine aerosols from Leg 2  of the US GEOTRACES PMT cruise (GP15, RR1814) from Oct to Nov 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset reports concentrations and stable isotopes of total and deionized water-soluble iron (Fe), zinc (Zn), and cadmium (Cd) bulk aerosols and Fe concentrations and stable isotopes of coarse (>0.95 micrometers (µm)) and fine (<0.95 µm) aerosols collected durin Leg 2 (RR1815) of the US GEOTRACES GP15 Pacific Meridional Transect (PMT) cruise on R/V Roger Revelle from October to November 2018 on a meridional transect along 152°W from Alaska to Tahiti. Concentration and isotope data were collected by Zachary Bunnell, Dr. Matthias Sieber, and Dr. Tim Conway at the University of South Florida using a Thermo Neptune Plus MC-ICPMS following aerosol collection and processing by Dr. Clifton Buck's group. Trace metal isotope ratios are an important emerging tool in aerosols to trace aerosol sources of each metal. Data from Leg 1 of the cruise (RR1814) are available in a separate dataset.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nEnd_Date_UTC (unitless)\nEnd_Time_UTC (unitless)\nEnd_ISO_DateTime_UTC (seconds since 1970-01-01T00:00:00Z)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nEnd_Latitude (degrees_north)\nEnd_Longitude (degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\nFe_56_54_A_SMLH2O_DELTA_HIVOL_f0qtdh (per mil)\nSE2_Fe_56_54_A_SMLH2O_DELTA_HIVOL_f0qtdh (per mil)\nFlag_Fe_56_54_A_SMLH2O_DELTA_HIVOL_f0qtdh (unitless)\nCd_114_110_A_SMLH2O_DELTA_HIVOL_w0ytwa (per mil)\n... (41 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_937148_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_937148_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_937148_v1/index.htmlTable https://www.bco-dmo.org/dataset/937148 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_937148_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_937148_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_937148_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932161_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932161_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_932161_v1/ public [GP15 Dissolved Rare Earth Elements Leg 1] - Dissolved concentrations of rare earth elements (including Y) from Leg 1 of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset reports dissolved concentrations of rare earth elements (including Y) from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 along 152 W. The data include dissolved concentrations from bottle and towed fish samples. Including the data from Leg 2 (Hilo, HI to Papeete, French Polynesia), the PMT sampled margin interactions, subarctic high nutrient low chlorophyll waters, the oldest deep water in the world's oceans, the distal ends of hydrothermal plumes (Juan de Fuca Ridge and East Pacific Rise) and oxygen minimum zones, equatorial upwelling, and oligotrophic waters in the South Pacific gyre at 20°S. The rare earth element data are pertinent for studies of removal and internal cycling of trace elements, tracing material inputs, and understanding of conservative vs non-conservative tracer distributions.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nY_D_CONC_BOTTLE_501nbz (picomoles per kilogram (pmol/kg))\nSD1_Y_D_CONC_BOTTLE_501nbz (picomoles per kilogram (pmol/kg))\nFlag_Y_D_CONC_BOTTLE_501nbz (unitless)\nY_D_CONC_FISH_eets1q (picomoles per kilogram (pmol/kg))\nSD1_Y_D_CONC_FISH_eets1q (picomoles per kilogram (pmol/kg))\nFlag_Y_D_CONC_FISH_eets1q (unitless)\nLa_D_CONC_BOTTLE_yzfgzr (picomoles per kilogram (pmol/kg))\nSD1_La_D_CONC_BOTTLE_yzfgzr (picomoles per kilogram (pmol/kg))\n... (82 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_932161_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_932161_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_932161_v1/index.htmlTable https://www.bco-dmo.org/dataset/932161 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_932161_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_932161_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_932161_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932559_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932559_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_932559_v1/ public [GP15 Dissolved Rare Earth Elements Leg 2] - Dissolved concentrations of rare earth elements (including Y) from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset reports dissolved concentrations of rare earth elements (including Y) from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018 along 152 W. The data include dissolved concentrations from bottle and towed fish samples. Including the data from Leg 1 (Seattle, WA to Hilo, HI), the PMT sampled margin interactions, subarctic high nutrient low chlorophyll waters, the oldest deep water in the world's oceans, the distal ends of hydrothermal plumes (Juan de Fuca Ridge and East Pacific Rise) and oxygen minimum zones, equatorial upwelling, and oligotrophic waters in the South Pacific gyre at 20°S. The rare earth element data are pertinent for studies of removal and internal cycling of trace elements, tracing material inputs, and understanding of conservative vs non-conservative tracer distributions.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nY_D_CONC_BOTTLE_vbtqm7 (picomoles per kilogram (pmol/kg))\nSD1_Y_D_CONC_BOTTLE_vbtqm7 (picomoles per kilogram (pmol/kg))\nFlag_Y_D_CONC_BOTTLE_vbtqm7 (unitless)\nY_D_CONC_FISH_asoboe (picomoles per kilogram (pmol/kg))\nSD1_Y_D_CONC_FISH_asoboe (picomoles per kilogram (pmol/kg))\nFlag_Y_D_CONC_FISH_asoboe (unitless)\nLa_D_CONC_BOTTLE_19sfbu (picomoles per kilogram (pmol/kg))\nSD1_La_D_CONC_BOTTLE_19sfbu (picomoles per kilogram (pmol/kg))\n... (82 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_932559_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_932559_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_932559_v1/index.htmlTable https://www.bco-dmo.org/dataset/932559 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_932559_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_932559_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_932559_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_939225_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_939225_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_939225_v1/ public [GP17-OCE Dissolved Gallium in the South Pacific Ocean] - Dissolved gallium (Ga) from the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 (US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE)) Dissolved gallium (Ga) was determined in association with a US GEOTRACES cruise (GP17-OCE/RR2214) in the South Pacific and Southern Ocean. The cruise sampled formation regions for globally distributed water masses, the return flow of Pacific Deep Water into the Southern Ocean, hydrothermally influenced waters, margin waters, and a gradient of low to high productivity with varying limiting nutrients. The cruise track investigates circulation through the Antarctic Circumpolar Current (ACC) and formation of intermediate waters important for upper ocean nutrient supply. The overall circulation/productivity/export/recycling trap of this region also affects how oceanic element-element relationships develop. For Ga, its distribution can provide insight into dust delivery, which recent work has suggested may be higher than previously thought in the study area. Ga's limited reactivity also allows its distribution to be used for water mass deconvolution, which could be usefully applied to the ACC and intermediate water formation regions. Data include dissolved Ga concentrations from bottle and towed fish samples.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nGa_D_CONC_BOTTLE_hxhmr3 (picomoles per kilogram (pmol/kg))\nSD1_Ga_D_CONC_BOTTLE_hxhmr3 (picomoles per kilogram (pmol/kg))\nFlag_Ga_D_CONC_BOTTLE_hxhmr3 (unitless)\nGa_D_CONC_FISH_dhewdf (picomoles per kilogram (pmol/kg))\nSD1_Ga_D_CONC_FISH_dhewdf (picomoles per kilogram (pmol/kg))\nFlag_Ga_D_CONC_FISH_dhewdf (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_939225_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_939225_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_939225_v1/index.htmlTable https://www.bco-dmo.org/dataset/939225 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_939225_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_939225_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_939225_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_947790_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_947790_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_947790_v1/ public [GP17-OCE Dissolved Seawater Barium Concentrations] - Dissolved barium (Ba) concentrations in seawater samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 (US GEOTRACES GP17-OCE: Investigating the role of the Southern Ocean's biogeochemical divide in shaping the global distributions of radium and barium isotopes) This dataset includes measurements of dissolved barium (Ba) concentrations in the South Pacific and Southern Ocean from the US GEOTRACES GP17 section (GP17-OCE, Papeete, Tahiti to Punta Arenas, Chile) on R/V Roger Revelle from December 2022 to January 2023.\n\ncdm_data_type = Other\nVARIABLES:\nCruise_ID (unitless)\nStation_ID (unitless)\nEvent_ID (unitless)\nGEOTRC_INSTR (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\nStart_Time_UTC (unitless)\nEnd_ISO_DateTime_UTC (seconds since 1970-01-01T00:00:00Z)\nEnd_Date_UTC (unitless)\nEnd_Time_UTC (unitless)\nlatitude (Start_latitude, degrees_north)\nlongitude (Start_longitude, degrees_east)\nEnd_Latitude (degrees_north)\nEnd_Longitude (degrees_east)\nRosette_Position (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nBa_D_CONC_FISH_wtoyqq (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_FISH_wtoyqq (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_FISH_wtoyqq (unitless)\nBa_D_CONC_UWAY_ththaj (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_UWAY_ththaj (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_UWAY_ththaj (unitless)\nBa_D_CONC_BOTTLE_xhbqq4 (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_BOTTLE_xhbqq4 (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_BOTTLE_xhbqq4 (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_947790_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_947790_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_947790_v1/index.htmlTable https://www.bco-dmo.org/dataset/947790 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_947790_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_947790_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_947790_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932707_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_932707_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_932707_v1/ public [GP17-OCE Dissolved Total and Labile Cobalt] - Dissolved total (dCo) and labile Co (lCo) measurements from the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 (US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE)) Despite the scarcity of cobalt in the global ocean, it plays important roles in some cellular functions, both in its role as a central factor in vitamin B12, and as an inorganic protein cofactor. Consequently, its distribution and speciation in marine environments is an important factor in understanding the activity of marine biota. Dissolved cobalt often displays a 'hybrid' profile type, with biological uptake dominating in the surface waters and removal by scavenging onto particles in the mesopelagic and below. These scavenging processes limit the accumulation of dissolved Co in the deep ocean. The relative contributions of scavenging and surface biological uptake are variable regionally due to both chemical and biological factors: recent research shows that dCo inventories may be intimately tied to the manganese redox cycle and formation of Mn oxides, and thus is heavily influenced by oxygen availability and local microbial community structure. Variability in Co usage - and by extension, its stoichiometry with respect to macronutrients - could be the result of differing uses of and needs for Co-utilizing metalloenzymes between taxa, and the plasticity of individual organisms with regards to metal availability. This dataset includes dissolved total (dCo) and labile Co (lCo) measurements from the GP17-OCE expedition, which occurred from 1 December 2022 to 25 January 2023, and traversed the South Pacific and a portion of the Southern Ocean. dCo samples are UV-irradiated before measurement, and so include both ligand bound and free Co. lCo samples are not UV-irradiated, thus represent the free Co inventory and that which is very weakly bound. lCo can be considered as the more bioavailable fraction. These samples were analyzed using competitive ligand exchange cathodic stripping voltammetry with a hanging mercury drop electrode. The dissolved Co distribution is understudied in much of the ocean, including the Southern Ocean. Given the contribution of the Southern Ocean to global deep water formation, the influences on the dCo inventory in this region likely impact Co supply in all ocean basins.\n\ncdm_data_type = Other\nVARIABLES:\nStation_ID (unitless)\nEvent_ID (unitless)\nGear_ID (unitless)\ntime (Start_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nStart_Date_UTC (unitless)\n... (23 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_932707_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_932707_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_932707_v1/index.htmlTable https://www.bco-dmo.org/dataset/932707 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_932707_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_932707_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_932707_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680091 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680091.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_680091/ public [Particulate and dissolved Lake Superior geochemistry] - Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 (EAGER - Introducing Early Career Scientists to Research on the Great Lakes) This dataset includes geochemical profiles of water samples collected in\nAugust 2015 at two stations in the western arm of Lake Superior.\n \nThese data were published in:  \n Tristan J. Horner, Helena V. Pryer, Sune G. Nielsen, Peter W. Crockford,\nJulia M. Gauglitz, Boswell A. Wing & Richard D. Ricketts (2017) Pelagic barite\nprecipitation at micromolar ambient sulfate. Nature Communications 8, Article\nnumber: 1342 (2017) doi:10.1038/s41467-017-01229-5\n \nOther relevant files and publications:  \n Horner, T. J., Kinsley, C. W., & Nielsen, S. G. (2015). Barium-isotopic\nfractionation in seawater mediated by barite cycling and oceanic circulation.\nEarth and Planetary Science Letters, 430, 511-522.\n\ncdm_data_type = Other\nVARIABLES:\nsta (unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth_w (Depth, meters)\ndepth (m)\nsample (unitless)\nRosette_Position (unitless)\nCTDTMP (degrees Celcius)\nBa_TD_CONC_BOTTLE (nanomoles per liter)\nBa_TD_CONC_BOTTLE_stdev (nanomoles per liter)\nBa_138_TD_DELTA_BOTTLE (per mil relative to NIST SRM 3104a)\nBa_138_TD_DELTA_BOTTLE_stdev (per mil relative to NIST SRM 3104a)\nAl_TP_CONC_BOTTLE (picomoles per liter)\nAl_TP_CONC_BOTTLE_stdev (picomoles per liter)\n... (22 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_680091_fgdc.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_680091/index.htmlTable https://www.bco-dmo.org/dataset/680091 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_680091.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_680091&showErrors=false&email= BCO-DMO bcodmo_dataset_680091

 
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