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Dataset Title: | [Sediment Trap Metal Fluxes, Hawaii Ocean Timeseries 2020-2023] - Sediment trap metal fluxes from Hawaii Ocean Timeseries (HOT) R/V Kilo Moana cruises at station ALOHA, North Pacific Subtropical Gyre, from December 2020 to November 2023 (Quantifying Iron Turnover in the Upper Ocean via Time-series Measurements at Station ALOHA) ![]() ![]() |
Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_962821_v1) |
Information: | Summary ![]() ![]() ![]() |
Attributes { s { Cruise { String long_name "Cruise"; String units "unitless"; } Time_deployment { String long_name "Time_deployment"; String units "unitless"; } Time_recovery { String long_name "Time_recovery"; String units "unitless"; } time { String _CoordinateAxisType "Time"; Float64 actual_range 1.6082856e+9, 1.6991757e+9; String axis "T"; String ioos_category "Time"; String long_name "Time_deployment_utc"; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } Time_recovery_UTC { Float64 actual_range 1.6085115e+9, 1.6994151e+9; String ioos_category "Time"; String long_name "Time_recovery_utc"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } depth { String _CoordinateAxisType "Height"; String _CoordinateZisPositive "down"; Int32 actual_range 150, 150; String axis "Z"; String ioos_category "Location"; String long_name "Depth"; String positive "down"; String standard_name "depth"; String units "m"; } longitude { String _CoordinateAxisType "Lon"; Float32 actual_range -158.0, -158.0; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; } latitude { String _CoordinateAxisType "Lat"; Float32 actual_range 22.75, 22.75; String axis "Y"; String ioos_category "Location"; String long_name "Latitude"; String standard_name "latitude"; String units "degrees_north"; } Replicate { String long_name "Replicate"; String units "unitless"; } Flux_Al_labile { Float32 actual_range 0.0, 6.123; String long_name "Flux_al_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Al_labile_qc { Int32 actual_range 2, 6; String long_name "Flux_al_labile_qc"; String units "unitless"; } Flux_Ti_labile { Float32 actual_range 0.0, 0.103; String long_name "Flux_ti_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Ti_labile_qc { Int32 actual_range 2, 6; String long_name "Flux_ti_labile_qc"; String units "unitless"; } Flux_Mn_labile { Float32 actual_range 0.014, 0.182; String long_name "Flux_mn_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Mn_labile_qc { Int32 actual_range 2, 3; String long_name "Flux_mn_labile_qc"; String units "unitless"; } Flux_Fe_labile { Float32 actual_range 0.054, 2.736; String long_name "Flux_fe_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Fe_labile_qc { Int32 actual_range 2, 3; String long_name "Flux_fe_labile_qc"; String units "unitless"; } Flux_Co_labile { Float32 actual_range 0.0, 0.013; String long_name "Flux_co_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Co_labile_qc { Int32 actual_range 2, 3; String long_name "Flux_co_labile_qc"; String units "unitless"; } Flux_Ni_labile { Float32 actual_range 0.017, 0.116; String long_name "Flux_ni_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Ni_labile_qc { Int32 actual_range 2, 3; String long_name "Flux_ni_labile_qc"; String units "unitless"; } Flux_Cu_labile { Float32 actual_range 0.0, 0.107; String long_name "Flux_cu_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Cu_labile_qc { Int32 actual_range 2, 6; String long_name "Flux_cu_labile_qc"; String units "unitless"; } Flux_Zn_labile { Float32 actual_range 0.0, 23.807; String long_name "Flux_zn_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Zn_labile_qc { Int32 actual_range 2, 6; String long_name "Flux_zn_labile_qc"; String units "unitless"; } Flux_Cd_labile { Float32 actual_range 0.001, 0.007; String long_name "Flux_cd_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Cd_labile_qc { Int32 actual_range 2, 3; String long_name "Flux_cd_labile_qc"; String units "unitless"; } Flux_Pb_labile { Float32 actual_range 0.0, 0.004; String long_name "Flux_pb_labile"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Pb_labile_qc { Int32 actual_range 2, 6; String long_name "Flux_pb_labile_qc"; String units "unitless"; } Flux_Al_recal { Float32 actual_range 0.0, 25.343; String long_name "Flux_al_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Al_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_al_recal_qc"; String units "unitless"; } Flux_Ti_recal { Float32 actual_range 0.0, 3.791; String long_name "Flux_ti_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Ti_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_ti_recal_qc"; String units "unitless"; } Flux_Mn_recal { Float32 actual_range 0.0, 0.072; String long_name "Flux_mn_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Mn_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_mn_recal_qc"; String units "unitless"; } Flux_Fe_recal { Float32 actual_range 0.094, 16.981; String long_name "Flux_fe_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Fe_recal_qc { Int32 actual_range 2, 3; String long_name "Flux_fe_recal_qc"; String units "unitless"; } Flux_Co_recal { Float32 actual_range 0.0, 0.0033; String long_name "Flux_co_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Co_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_co_recal_qc"; String units "unitless"; } Flux_Ni_recal { Float32 actual_range 0.003, 0.164; String long_name "Flux_ni_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Ni_recal_qc { Int32 actual_range 2, 3; String long_name "Flux_ni_recal_qc"; String units "unitless"; } Flux_Cu_recal { Float32 actual_range 0.002, 0.1; String long_name "Flux_cu_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Cu_recal_qc { Int32 actual_range 2, 3; String long_name "Flux_cu_recal_qc"; String units "unitless"; } Flux_Zn_recal { Float32 actual_range 0.0, 0.146; String long_name "Flux_zn_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Zn_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_zn_recal_qc"; String units "unitless"; } Flux_Cd_recal { Float32 actual_range 0.0, 0.0; String long_name "Flux_cd_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Cd_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_cd_recal_qc"; String units "unitless"; } Flux_Pb_recal { Float32 actual_range 0.0, 4.0e-4; String long_name "Flux_pb_recal"; String units "micromoles per square meter per day (umol/m2/day)"; } Flux_Pb_recal_qc { Int32 actual_range 2, 6; String long_name "Flux_pb_recal_qc"; 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.962821.1"; Float64 Easternmost_Easting -158.0; Float64 geospatial_lat_max 22.75; Float64 geospatial_lat_min 22.75; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max -158.0; Float64 geospatial_lon_min -158.0; String geospatial_lon_units "degrees_east"; Float64 geospatial_vertical_max 150.0; Float64 geospatial_vertical_min 150.0; String geospatial_vertical_positive "down"; String geospatial_vertical_units "m"; String history "2025-07-15T05:24:26Z (local files) 2025-07-15T05:24:26Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_962821_v1.html"; String infoUrl "https://osprey.bco-dmo.org/dataset/962821"; 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 22.75; String sourceUrl "(local files)"; Float64 Southernmost_Northing 22.75; String summary "We analyzed the metal fluxes out of the upper 150 m of the water column using surface-tethered sediment traps deployed on Hawaii Ocean Time-series (HOT) cruises between December 2020 and November 2023. All deployments were initiated at Station ALOHA. Sinking particulate metals were collected in Particle Interceptor Traps (PITs) with ~100 ppt trace-metal clean brine derived from seawater over a period of approximately 2.5 days. Following recovery, triplicate PIT traps were filtered onto 0.2 micron polyethersulfone (PES) filters. Filters were subject to a 2-stage digestion: 1) a \"Berger\" leach consisting of hydroxylamine and acetic acid, to dissolve labile trace metals, and 2) a digestion with nitric acid and hydrofluoric acid to dissolve recalcitrant metals. Dissolved metals for each leach were analyzed by inductively coupled plasma mass spectrometry at the University of Hawaii at Manoa using a Thermo Scientific iCAP-TQ mass spectrometer. This dataset is part of a larger study focused on the cycling of trace metals in the North Pacific Subtropical Gyre, and is embedded within the HOT program."; String time_coverage_end "2023-11-05T09:15:00Z"; String time_coverage_start "2020-12-18T10:00:00Z"; String title "[Sediment Trap Metal Fluxes, Hawaii Ocean Timeseries 2020-2023] - Sediment trap metal fluxes from Hawaii Ocean Timeseries (HOT) R/V Kilo Moana cruises at station ALOHA, North Pacific Subtropical Gyre, from December 2020 to November 2023 (Quantifying Iron Turnover in the Upper Ocean via Time-series Measurements at Station ALOHA)"; Float64 Westernmost_Easting -158.0; } }
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