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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
log in [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 BCO-DMO bcodmo_dataset_937120_v1
log in [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 BCO-DMO bcodmo_dataset_937148_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_835589_v4 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_835589_v4.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_835589_v4/ public [GP15 Dissolved Ba Cd Cu Ga Mn Ni and Pb Leg 1] - Dissolved concentrations of Ba, Cd, Cu, Ga, Mn, Ni, and Pb 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 (US GEOTRACES Pacific Meridional Transect (GP15)) Dissolved concentrations of Ba, Cd, Cu, Ga, Mn, Ni, and Pb 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.\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nCTD_Pressure (decibars (dbar))\nBa_D_CONC_BOTTLE_hndhco (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_BOTTLE_hndhco (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_BOTTLE_hndhco (unitless)\nBa_D_CONC_FISH_nwzpfg (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_FISH_nwzpfg (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_FISH_nwzpfg (unitless)\nCd_D_CONC_BOTTLE_3qngnv (nanomoles per kilogram (nmol/kg))\nSD1_Cd_D_CONC_BOTTLE_3qngnv (nanomoles per kilogram (nmol/kg))\nFlag_Cd_D_CONC_BOTTLE_3qngnv (unitless)\nCd_D_CONC_FISH_rysl9e (nanomoles per kilogram (nmol/kg))\n... (32 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_835589_v4_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_835589_v4_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_835589_v4/index.htmlTable https://www.bco-dmo.org/dataset/835589 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_835589_v4.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_835589_v4&showErrors=false&email= BCO-DMO bcodmo_dataset_835589_v4
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_836121_v3 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_836121_v3.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_836121_v3/ public [GP15 Dissolved Ba Cd Cu Ga Mn Ni and Pb Leg 2] - Dissolved concentrations of Ba, Cd, Cu, Ga, Mn, Ni, and Pb 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 Oct-Nov 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) Dissolved concentrations of Ba, Cd, Cu, Ga, Mn, Ni, and Pb 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.\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nCTD_Pressure (decibars (dbar))\nBa_D_CONC_BOTTLE_6yrfu2 (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_BOTTLE_6yrfu2 (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_BOTTLE_6yrfu2 (unitless)\nBa_D_CONC_FISH_zlfwni (nanomoles per kilogram (nmol/kg))\nSD1_Ba_D_CONC_FISH_zlfwni (nanomoles per kilogram (nmol/kg))\nFlag_Ba_D_CONC_FISH_zlfwni (unitless)\nCd_D_CONC_BOTTLE_s0muvq (nanomoles per kilogram (nmol/kg))\nSD1_Cd_D_CONC_BOTTLE_s0muvq (nanomoles per kilogram (nmol/kg))\nFlag_Cd_D_CONC_BOTTLE_s0muvq (unitless)\nCd_D_CONC_FISH_awbbbh (nanomoles per kilogram (nmol/kg))\n... (32 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_836121_v3_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_836121_v3_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_836121_v3/index.htmlTable https://www.bco-dmo.org/dataset/836121 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_836121_v3.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_836121_v3&showErrors=false&email= BCO-DMO bcodmo_dataset_836121_v3
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_825891_v3 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_825891_v3.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_825891_v3/ public [GP15 Dissolved Radium-226 and Radium-228 Leg 1] - Water column dissolved radium-226 and radium-228 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 (US GEOTRACES Pacific Meridional Transect (GP15)) Water column dissolved radium-226 and radium-228 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. In this dataset version (v3), the radium-226 data have been updated from the previous version of the dataset.\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nRa_226_D_CONC_BOTTLE_9ajov6 (milliBecquerels per kilogram (mBq/kg))\nSD1_Ra_226_D_CONC_BOTTLE_9ajov6 (milliBecquerels per kilogram (mBq/kg))\nFlag_Ra_226_D_CONC_BOTTLE_9ajov6 (unitless)\nRa_228_D_CONC_PUMP_0wrh9t (milliBecquerels per kilogram (mBq/kg))\nSD1_Ra_228_D_CONC_PUMP_0wrh9t (milliBecquerels per kilogram (mBq/kg))\nFlag_Ra_228_D_CONC_PUMP_0wrh9t (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_825891_v3_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_825891_v3_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_825891_v3/index.htmlTable https://www.bco-dmo.org/dataset/825891 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_825891_v3.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_825891_v3&showErrors=false&email= BCO-DMO bcodmo_dataset_825891_v3
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_825947_v3 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_825947_v3.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_825947_v3/ public [GP15 Dissolved Radium-226 and Radium-228 Leg 2] - Water column dissolved radium-226 and radium-228 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)) Water column dissolved radium-226 and radium-228 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. In this dataset version (v3), the radium-226 data have been updated from the previous version of the dataset.\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nRa_226_D_CONC_BOTTLE_zkto8n (milliBecquerels per kilogram (mBq/kg))\nSD1_Ra_226_D_CONC_BOTTLE_zkto8n (milliBecquerels per kilogram (mBq/kg))\nFlag_Ra_226_D_CONC_BOTTLE_zkto8n (unitless)\nRa_228_D_CONC_PUMP_eokmy1 (milliBecquerels per kilogram (mBq/kg))\nSD1_Ra_228_D_CONC_PUMP_eokmy1 (milliBecquerels per kilogram (mBq/kg))\nFlag_Ra_228_D_CONC_PUMP_eokmy1 (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_825947_v3_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_825947_v3_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_825947_v3/index.htmlTable https://www.bco-dmo.org/dataset/825947 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_825947_v3.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_825947_v3&showErrors=false&email= BCO-DMO bcodmo_dataset_825947_v3
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_919783_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_919783_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_919783_v1/ public [GP15 Dissolved Th and Pa - Leg 1] - Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset contains concentrations of dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater collected during the U.S. GEOTRACES Pacific Meridional Transect (PMT) GP15, from Alaska to Tahiti, on the R/V Roger Revelle. The PMT expedition was divided into two legs, with cruise IDs RR1814 and RR1815. This dataset results from leg 1, RR1814; data from RR1815 are available in a separate BCO-DMO dataset. This is compiled data produced by three laboratories with the following associations: Lamont-Doherty Earth Observatory of Columbia University (LDEO), the University of Southern Mississippi (USM), and the University of Minnesota (UMN).\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nCast_number (unitless)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nLab_ID (unitless)\nBottle_ID (unitless)\nTh_230_D_CONC_BOTTLE_m5ivgp (micro-Becquerel per kilogram water (uBq/kg))\nSD1_Th_230_D_CONC_BOTTLE_m5ivgp (micro-Becquerel per kilogram water (uBq/kg))\nFlag_Th_230_D_CONC_BOTTLE_m5ivgp (unitless)\nTh_232_D_CONC_BOTTLE_vwrb8w (picomole per kilogram water (pmol/kg))\n... (26 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_919783_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_919783_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_919783_v1/index.htmlTable https://www.bco-dmo.org/dataset/919783 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_919783_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_919783_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_919783_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_920078_v2 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_920078_v2.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_920078_v2/ public [GP15 Dissolved Th and Pa - Leg 2] - Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 Oct-Nov 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) This dataset contains concentrations of dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater collected during the U.S. GEOTRACES Pacific Meridional Transect (PMT) GP15, from Alaska to Tahiti, on the R/V Roger Revelle. The PMT expedition was divided into two legs, with cruise IDs RR1814 and RR1815. This dataset results from leg 2, RR1815; data from RR1814 are available in a separate BCO-DMO dataset. This is compiled data produced by three laboratories with the following associations: Lamont-Doherty Earth Observatory of Columbia University (LDEO), the University of Southern Mississippi (USM), and the University of Minnesota (UMN).\n\ncdm_data_type = Other\nVARIABLES:\nStation_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)\nCast_number (unitless)\nEvent_ID (unitless)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nLab_ID (unitless)\nBottle_ID (unitless)\nTh_230_D_CONC_BOTTLE_aajvje (micro-Becquerel per kilogram water (uBq/kg))\nSD1_Th_230_D_CONC_BOTTLE_aajvje (micro-Becquerel per kilogram water (uBq/kg))\nFlag_Th_230_D_CONC_BOTTLE_aajvje (unitless)\nTh_232_D_CONC_BOTTLE_mj1tw8 (picomole per kilogram water (pmol/kg))\n... (26 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_920078_v2_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_920078_v2_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_920078_v2/index.htmlTable https://www.bco-dmo.org/dataset/920078 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_920078_v2.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_920078_v2&showErrors=false&email= BCO-DMO bcodmo_dataset_920078_v2
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_928002_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_928002_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_928002_v1/ public [GP15 Nitrate d15N and d18O Leg 1] - Nitrate d15N and d18O from Niskin bottle samples collected on 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 (US GEOTRACES Pacific Meridional Transect (GP15)) These data include nitrate δ15N and δ18O along US GEOTRACES GP15, a meridional transect at ~152°W in the Pacific Ocean. The Pacific hosts significant rates of all the fluxes that are relevant to the global N cycle: the N budget fluxes (those that either generate or consume fixed N; N2 fixation and denitrification) as well as the N fluxes from the internal N cycle (those that generate or consume nitrate but leave the fixed N pool unaltered; nitrate regeneration and assimilation). The nitrate δ15N and δ18O provide a useful tool to separate and possibly quantify the overlapping impacts of all these co-occurring processes. \n\nGP15 was a 60-day research cruise that took place in 2018 along a transect form Alaska to Tahiti at 152° W on board of the R/V Revelle. The cruise was completed in two legs (RR1814 and RR1815), which started on the 18th of September and on the 24th of October 2018, respectively. This dataset includes data from Leg 1 (RR1814). Leg 2 data (RR1815) are provided in a separate, related 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)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nNITRATE_15_14_D_DELTA_BOTTLE_lnw6zq (per mil versus air)\nSD1_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq (per mil versus air)\n... (5 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_928002_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_928002_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_928002_v1/index.htmlTable https://www.bco-dmo.org/dataset/928002 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_928002_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_928002_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_928002_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_928099_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_928099_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_928099_v1/ public [GP15 Nitrate d15N and d18O Leg 2] - Nitrate d15N and d18O from Niskin bottle samples collected on 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)) These data include nitrate δ15N and δ18O along US GEOTRACES GP15, a meridional transect at ~152°W in the Pacific Ocean. The Pacific hosts significant rates of all the fluxes that are relevant to the global N cycle: the N budget fluxes (those that either generate or consume fixed N; N2 fixation and denitrification) as well as the N fluxes from the internal N cycle (those that generate or consume nitrate but leave the fixed N pool unaltered; nitrate regeneration and assimilation). The nitrate δ15N and δ18O provide a useful tool to separate and possibly quantify the overlapping impacts of all these co-occurring processes. \n\nGP15 was a 60-day research cruise that took place in 2018 along a transect form Alaska to Tahiti at 152° W on board of the R/V Revelle. The cruise was completed in two legs (RR1814 and RR1815), which started on the 18th of September and on the 24th of October 2018, respectively. This dataset includes data from Leg 2 (RR1815). Leg 1 data (RR1814) are provided in a separate, related 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)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nNITRATE_15_14_D_DELTA_BOTTLE_w2kmnp (per mil versus air)\nSD1_NITRATE_15_14_D_DELTA_BOTTLE_w2kmnp (per mil versus air)\n... (5 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_928099_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_928099_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_928099_v1/index.htmlTable https://www.bco-dmo.org/dataset/928099 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_928099_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_928099_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_928099_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_927107_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_927107_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_927107_v1/ public [GP17-OCE Beryllium-7 in seawater and aerosols] - Aerosol and seawater beryllium-7 concentrations 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)) Beryllium-7, a radioactive isotope with a half-life of 53.3 days, is formed in the atmosphere, attaches to aerosol particles, and is deposited on the earth's surface through wet and dry processes. In this project, we measured Be-7 concentrations in aerosol particles and in seawater samples (depths < 200 meters) collected on the GEOTRACES GP17-OCE cruise aboard R/V Roger Revelle. The cruise originated in Papeete, Tahiti, French Polynesia on 1 December 2022 and concluded on 25 January 2023 in Punta Arenas, Chile. Sixteen aerosol samples and seawater from twelve stations in the South Pacific and Southern Oceans were collected. The dataset will be used to study the deposition of trace elements and isotopes (TEIs) and upper ocean mixing processes. Aerosol deposition is an important source of TE micronutrients to open ocean areas that are far removed from riverine sources. But, while the collection aerosol of samples for TEI analysis is straightforward, estimating the deposition flux also requires an appropriate deposition velocity (i.e. deposition flux is the product of the aerosol concentration and deposition velocity). Because Be-7 is supplied to the open ocean exclusively through aerosol deposition and it is removed through radioactive decay, the water column inventory and aerosol concentration of Be-7 can be used to derive the deposition velocity applicable to aerosol TEIs. The penetration of dissolved Be-7 below the ocean mixed layer is limited by the isotope's half-life and the rate of vertical diffusive mixing. Through modeling, the shape of the Be-7 profile below the mixed layer provides an estimate for the vertical diffusivity coefficient (Kz), which can be used to calculate fluxes of chemical species (e.g. oxygen) and physical properties (e.g. heat).\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)\nStart_Latitude (degrees_north)\n... (11 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_927107_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_927107_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_927107_v1/index.htmlTable https://www.bco-dmo.org/dataset/927107 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_927107_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_927107_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_927107_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_927568_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_927568_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_927568_v1/ public [GS02 Beryllium-7 in seawater and aerosols] - Aerosol and seawater beryllium-7 concentrations from the French GEOTRACES GS02 SWINGS cruise aboard R/V Marion-Dufresne (MD229) from January to March 2021 (Collaborative Research: Quantifying the atmospheric flux of bio-active trace elements to the southwestern Indian Ocean) Beryllium-7, a cosmogenic radioactive isotope with a half-life of 53.3 days, is formed in the atmosphere, attaches to aerosol particles, and is deposited on the earth's surface through wet and dry processes. In this project, we measured Be-7 concentrations in aerosol particles and in seawater samples (depths < 200 meters) collected on the French GEOTRACES section GS02 SWINGS cruise aboard R/V Marion-Dufresne. The cruise originated at Réunion Island on 11 January 2021 and concluded at Réunion on 8 March 2021. Nineteen aerosol samples and seawater from eleven stations in the South Indian Ocean were collected. The dataset will be used to study the deposition of trace elements and isotopes (TEIs) and upper ocean mixing processes. Aerosol deposition is an important source of TE micronutrients to open ocean areas that are far removed from riverine sources. But, while the collection aerosol of samples for TEI analysis is straightforward, estimating the deposition flux also requires an appropriate deposition velocity (i.e. deposition flux is the product of the aerosol concentration and deposition velocity). Because Be-7 is supplied to the open ocean exclusively through aerosol deposition and it is removed through radioactive decay, the water column inventory and aerosol concentration of Be-7 can be used to derive the deposition velocity applicable to aerosol TEIs.\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)\nSample_ID (unitless)\n... (7 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_927568_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_927568_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_927568_v1/index.htmlTable https://www.bco-dmo.org/dataset/927568 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_927568_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_927568_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_927568_v1
log in [Particle Flux] - Sediment trap flux measurements for the Hawaii Ocean Time-Series (HOT) project from December 1988 to November 2021 at Station ALOHA ([Current] Hawaii Ocean Time-series (HOT): 2018-2023;  [Previous] Hawaii Ocean Time-series (HOT): Sustaining ocean ecosystem and climate observations in the North Pacific Subtropical Gyre) Particle flux measurements from the Hawaii Ocean Time-Series (HOT). Particle flux was measured at a standard reference depth of 150 meters using multiple cylindrical particle interceptor traps deployed on a free-floating array for approximately 60 hours during each cruise. Sediment trap design and collection methods are described in Winn et al. (1991). Samples were analyzed for particulate carbon, nitrogen, phosphorus, and silica. Typically six traps are analyzed for particulate carbon and particulate nitrogen, three for particulate phosphorus, and another three traps for particulate silica.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nLatitude (degrees_north)\nlongitude (degrees_east)\nStart_ISO_DateTime_UTC (unitless)\nEnd_ISO_DateTime_UTC (unitless)\ndepth (m)\nTreatment (unitless)\nCarbon_flux (milligrams per square meter per day (mg/m^2/d))\nCarbon_sd_diff (milligrams per square meter per day (mg/m^2/d))\nCarbon_numreps (unitless)\nNitrogen_flux (milligrams per square meter per day (mg/m^2/d))\nNitrogen_sd_diff (milligrams per square meter per day (mg/m^2/d))\nNitrogen_numreps (unitless)\nPhosphorus_flux (milligrams per square meter per day (mg/m^2/d))\nPhosphorus_sd_diff (milligrams per square meter per day (mg/m^2/d))\nPhosphorus_numreps (unitless)\nMass_flux (milligrams per square meter per day (mg/m^2/d))\nMass_sd_diff (milligrams per square meter per day (mg/m^2/d))\nMass_numreps (unitless)\nSilica_flux (milligrams per square meter per day (mg/m^2/d))\nSilica_sd_diff (milligrams per square meter per day (mg/m^2/d))\n... (11 more variables)\n BCO-DMO bcodmo_dataset_737393_v2

 
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