BCO-DMO ERDDAP
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griddap Subset tabledap Make A Graph wms files Accessible Title Summary FGDC ISO 19115 Info Background Info RSS Email Institution Dataset ID
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_940589_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_940589_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_940589_v1/ public [GP15 Water Column Dissolved 227Ac Leg 1] - Activity of actinium-227 from water 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)) Actinium-227 (227Ac) was captured on commercial water filters impregnated with manganese dioxide (MnO2) and placed downstream of the filters in submersible pumps deployed on GEOTRACES expedition GP15, aboard R/V Roger Revelle, in collaboration with groups from Woods Hole Oceanographic Institution (WHOI) and University of South Carolina who measured radium isotopes on the same cartridges. The activity of 227Ac was measured using RaDeCC (Radium Delayed Coincidence Counter) and used to calculate the concentration of dissolved  227Ac along the transect by PI Douglas Hammond and graduate student Nathan Kemnitz. Data have been summarized and will be submitted in a publication to be submitted to JGR Oceans, along with a companion data set for 227Ac, 228Ra, and 210Pb in sediments. This dataset has been used to evaluate deep ocean solute transport. This dataset includes data from Leg 1 of the cruise (RR1814). Leg 2 data (RR1815) are available in a separate BCO-DMO dataset.\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)\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)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nAc_227_D_CONC_PUMP_lfvbby (micro becquerel per kilogram (uBq/kg))\nSD1_Ac_227_D_CONC_PUMP_lfvbby (micro becquerel per kilogram (uBq/kg))\nFlag_Ac_227_D_CONC_PUMP_lfvbby (unitless)\nPa231_uBq_kg (micro becquerel per kilogram (uBq/kg))\n... (9 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_940589_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_940589_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_940589_v1/index.htmlTable https://www.bco-dmo.org/dataset/940589 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_940589_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_940589_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_940589_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_941157_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_941157_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_941157_v1/ public [GP15 Water Column Dissolved 227Ac Leg 2] - Activity of actinium-227 from water 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 Oct-Nov 2018 (US GEOTRACES Pacific Meridional Transect (GP15)) Actinium-227 (227Ac) was captured on commercial water filters impregnated with manganese dioxide (MnO2) and placed downstream of the filters in submersible pumps deployed on GEOTRACES expedition GP15, aboard R/V Roger Revelle, in collaboration with groups from Woods Hole Oceanographic Institution (WHOI) and University of South Carolina who measured radium isotopes on the same cartridges. The activity of 227Ac was measured using RaDeCC (Radium Delayed Coincidence Counter) and used to calculate the concentration of dissolved  227Ac along the transect by PI Douglas Hammond and graduate student Nathan Kemnitz. Data have been summarized and will be submitted in a publication to be submitted to JGR Oceans, along with a companion data set for 227Ac, 228Ra, and 210Pb in sediments. This dataset has been used to evaluate deep ocean solute transport. This dataset includes data from Leg 2 of the cruise (RR1815). Leg 1 data (RR1814) are available in a separate BCO-DMO dataset.\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)\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)\nSample_ID (unitless)\ndepth (Sample_depth, m)\nAc_227_D_CONC_PUMP_rxwrrl (micro becquerel per kilogram (uBq/kg))\nSD1_Ac_227_D_CONC_PUMP_rxwrrl (micro becquerel per kilogram (uBq/kg))\nFlag_Ac_227_D_CONC_PUMP_rxwrrl (unitless)\nPa231_uBq_kg (micro becquerel per kilogram (uBq/kg))\n... (9 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_941157_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_941157_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_941157_v1/index.htmlTable https://www.bco-dmo.org/dataset/941157 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_941157_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_941157_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_941157_v1

 
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