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Dataset Title: | [GP15 Pb and Pb Isotopes Leg 1] - Lead (Pb) concentrations and Pb isotope ratios (206Pb/207Pb, 208Pb/207Pb, 206Pb/204Pb) 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)) ![]() ![]() |
Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_933318_v2) |
Information: | Summary ![]() ![]() ![]() |
Attributes { s { Station_ID { Int32 actual_range 1, 18; String long_name "Station_id"; String units "unitless"; } Event_ID { Int32 actual_range 6530, 6757; String long_name "Event_id"; String units "unitless"; } time { String _CoordinateAxisType "Time"; Float64 actual_range 1.5379566e+9, 1.53997146e+9; String axis "T"; String ioos_category "Time"; String long_name "Start_iso_datetime_utc"; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } End_ISO_DateTime_UTC { Float64 actual_range 1.53795888e+9, 1.53998652e+9; String ioos_category "Time"; String long_name "End_iso_datetime_utc"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } latitude { String _CoordinateAxisType "Lat"; Float32 actual_range 22.0, 56.059; String axis "Y"; String ioos_category "Location"; String long_name "Start_latitude"; String standard_name "latitude"; String units "degrees_north"; } longitude { String _CoordinateAxisType "Lon"; Float32 actual_range -156.962, -152.0; String axis "X"; String ioos_category "Location"; String long_name "Start_longitude"; String standard_name "longitude"; String units "degrees_east"; } Sample_ID { Int32 actual_range 12430, 13844; String long_name "Sample_id"; String units "unitless"; } depth { String _CoordinateAxisType "Height"; String _CoordinateZisPositive "down"; Int32 actual_range 3, 5540; String axis "Z"; String ioos_category "Location"; String long_name "Sample_depth"; String positive "down"; String standard_name "depth"; String units "m"; } Pb_206_207_D_RATIO_BOTTLE_h0hu59 { Float32 actual_range 1.1557, 1.1939; String long_name "Pb_206_207_d_ratio_bottle_h0hu59"; String units "unitless"; } SD2_Pb_206_207_D_RATIO_BOTTLE_h0hu59 { Float32 actual_range 0.0, 0.0038; String long_name "Sd2_pb_206_207_d_ratio_bottle_h0hu59"; String units "unitless"; } Flag_Pb_206_207_D_RATIO_BOTTLE_h0hu59 { Int32 actual_range 1, 3; String long_name "Flag_pb_206_207_d_ratio_bottle_h0hu59"; String units "unitless"; } Pb_208_207_D_RATIO_BOTTLE_o5msvl { Float32 actual_range 2.4341, 2.514; String long_name "Pb_208_207_d_ratio_bottle_o5msvl"; String units "unitless"; } SD1_Pb_208_207_D_RATIO_BOTTLE_o5msvl { Float32 actual_range 1.0e-4, 2.4993; String long_name "Sd1_pb_208_207_d_ratio_bottle_o5msvl"; String units "unitless"; } Flag_Pb_208_207_D_RATIO_BOTTLE_o5msvl { Int32 actual_range 1, 3; String long_name "Flag_pb_208_207_d_ratio_bottle_o5msvl"; String units "unitless"; } Pb_206_207_D_RATIO_FISH_ezjekv { Float32 actual_range 1.1524, 1.17; String long_name "Pb_206_207_d_ratio_fish_ezjekv"; String units "unitless"; } SD1_Pb_206_207_D_RATIO_FISH_ezjekv { Float32 actual_range 1.0e-4, 7.0e-4; String long_name "Sd1_pb_206_207_d_ratio_fish_ezjekv"; String units "unitless"; } Flag_Pb_206_207_D_RATIO_FISH_ezjekv { Int32 actual_range 1, 1; String long_name "Flag_pb_206_207_d_ratio_fish_ezjekv"; String units "unitless"; } Pb_208_207_D_RATIO_FISH_tg7x8e { Float32 actual_range 2.4368, 2.4993; String long_name "Pb_208_207_d_ratio_fish_tg7x8e"; String units "unitless"; } SD1_Pb_208_207_D_RATIO_FISH_tg7x8e { Float32 actual_range 1.0e-4, 0.001; String long_name "Sd1_pb_208_207_d_ratio_fish_tg7x8e"; String units "unitless"; } Flag_Pb_208_207_D_RATIO_FISH_tg7x8e { Int32 actual_range 1, 1; String long_name "Flag_pb_208_207_d_ratio_fish_tg7x8e"; String units "unitless"; } Pb_D_CONC_FISH_zkhacb { Float32 actual_range 17.6, 17.6; String long_name "Pb_d_conc_fish_zkhacb"; String units "picomoles per kilogram (pmol/kg)"; } SD1_Pb_D_CONC_FISH_zkhacb { Float32 actual_range 0.2, 0.2; String long_name "Sd1_pb_d_conc_fish_zkhacb"; String units "picomoles per kilogram (pmol/kg)"; } Flag_Pb_D_CONC_FISH_zkhacb { Int32 actual_range 1, 1; String long_name "Flag_pb_d_conc_fish_zkhacb"; String units "unitless"; } Pb_206_204_D_RATIO_FISH_bkyzgo { Float32 actual_range 17.9, 19.28; String long_name "Pb_206_204_d_ratio_fish_bkyzgo"; String units "unitless"; } SD1_Pb_206_204_D_RATIO_FISH_bkyzgo { Float32 actual_range 0.01, 18.34; String long_name "Sd1_pb_206_204_d_ratio_fish_bkyzgo"; String units "unitless"; } Flag_Pb_206_204_D_RATIO_FISH_bkyzgo { Int32 actual_range 1, 1; String long_name "Flag_pb_206_204_d_ratio_fish_bkyzgo"; String units "unitless"; } Pb_D_CONC_BOTTLE_pu5g1q { Float32 actual_range 3.9, 67.0; String long_name "Pb_d_conc_bottle_pu5g1q"; String units "picomoles per kilogram (pmol/kg)"; } SD1_Pb_D_CONC_BOTTLE_pu5g1q { Float32 actual_range 0.2, 2.6; String long_name "Sd1_pb_d_conc_bottle_pu5g1q"; String units "picomoles per kilogram (pmol/kg)"; } Flag_Pb_D_CONC_BOTTLE_pu5g1q { Int32 actual_range 1, 1; String long_name "Flag_pb_d_conc_bottle_pu5g1q"; String units "unitless"; } Pb_206_204_D_RATIO_BOTTLE_nyhdyg { Float32 actual_range 17.88, 19.32; String long_name "Pb_206_204_d_ratio_bottle_nyhdyg"; String units "unitless"; } SD2_Pb_206_204_D_RATIO_BOTTLE_nyhdyg { Float32 actual_range 0.0, 0.07; String long_name "Sd2_pb_206_204_d_ratio_bottle_nyhdyg"; String units "unitless"; } Flag_Pb_206_204_D_RATIO_BOTTLE_nyhdyg { Int32 actual_range 1, 3; String long_name "Flag_pb_206_204_d_ratio_bottle_nyhdyg"; String units "unitless"; } } NC_GLOBAL { String cdm_data_type "Other"; String Conventions "COARDS, CF-1.6, ACDD-1.3"; String creator_email "info@bco-dmo.org"; String creator_name "BCO-DMO"; String creator_url "https://www.bco-dmo.org/"; String defaultDataQuery "&time<now"; String doi "10.26008/1912/bco-dmo.933318.2"; Float64 Easternmost_Easting -152.0; Float64 geospatial_lat_max 56.059; Float64 geospatial_lat_min 22.0; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max -152.0; Float64 geospatial_lon_min -156.962; String geospatial_lon_units "degrees_east"; Float64 geospatial_vertical_max 5540.0; Float64 geospatial_vertical_min 3.0; String geospatial_vertical_positive "down"; String geospatial_vertical_units "m"; String history "2025-06-06T02:33:47Z (local files) 2025-06-06T02:33:47Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_933318_v2.html"; String infoUrl "https://osprey.bco-dmo.org/dataset/933318"; String institution "BCO-DMO"; String license "The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, ERD, NOAA, nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information."; Float64 Northernmost_Northing 56.059; String sourceUrl "(local files)"; Float64 Southernmost_Northing 22.0; String summary "During September 23 to November 22, 2018, the R/V Roger Revelle completed a trace element (and their isotopes) hydrographic section along ~152° West from 56° North to 20° South (GEOTRACES GP15). Full water column trace metal clean samples were obtained with the U.S. GEOTRACES Carousel (GTC) composed of 24 12-liter trace metal clean GO-Flow sampling systems mounted on a trace metal free powder-coated titanium rosette system. Three of the stations had lead (Pb) concentrations determined at Massachusetts Institute of Technology (MIT) by isotope dilution quadrupole inductively coupled plasma mass spectrometry (ICPMS) for intercalibration with the Texas A&M (TAMU) lab of Jessica Fitzsimmons who analyzed all of the cruise stations. The rest of the full- and super-stations were analyzed at MIT for Pb isotope ratios (206Pb/207Pb, 208Pb/207Pb, 206Pb/204Pb). These data are collected to document the penetration of atmosphericly-transported anthropogenic Pb into the ocean and its subsequent dispersion by circulation and chemical interactions between sinking particles and Pb dissolved in solution. Shuo Jiang, Nathan Lanning, and Edward Boyle performed the extractions and the ICPMS analyses. This dataset includes data from Leg 1 of the cruise, RR1814."; String time_coverage_end "2018-10-19T17:51:00Z"; String time_coverage_start "2018-09-26T10:10:00Z"; String title "[GP15 Pb and Pb Isotopes Leg 1] - Lead (Pb) concentrations and Pb isotope ratios (206Pb/207Pb, 208Pb/207Pb, 206Pb/204Pb) 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))"; Float64 Westernmost_Easting -156.962; } }
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