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| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_891941_v1 | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_891941_v1.graph | https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_891941_v1/ | public | [Gulf of Alaska Al and Mn - Surface Samples] - Dissolved aluminum (Al) and manganese (Mn) and total dissolvable Al and Mn from surface water samples collected during three cruises in 2010 in the northern Gulf of Alaska (US GEOTRACES Pacific Section-Shipboard Al, Mn and Fe) | Water samples were collected along a transect during three cruises in 2010 (7-9 April, 5-7 May, and 27-29 July) in the northern Gulf of Alaska, from the mouth of the Copper River to about 50 km past the shelf break. Surface samples were collected by underway pumping using Teflon-lined tubing, using a method modified from Vink et al. (2000). Filtered dissolved metal surface samples were collected using a 0.45 µm in-line Acropore filter under N₂ pressure. Water samples were processed in the shipboard clean lab within three hours of collection. Dissolved samples were filtered using acid-washed 0.45 µm Pall-Supor filters. All samples were acidified to pH 1.8 using Seastar grade HCl within 3 days and stored for 5 years before analysis.\n\nFiltered samples were analyzed for dissolved Al and unfiltered samples were analyzed for total dissolvable Al using Flow Injection Analysis (Resing and Measures 1994) using fluorescent detection of lumogallion. Filtered samples were analyzed for dissolved Mn and unfiltered samples were analyzed for total dissolvable Mn according to the method of Resing and Mottl (1992), which uses spectroscopic detection of leuchomalachite green.\n\ncdm_data_type = Other\nVARIABLES:\nLatitude_degN (degrees_north)\nlongitude (Longitude_dege, degrees_east)\ntime (Iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\ndepth (Ysi_depth, m)\nSurface_Salinity (PSU)\nDistance_from_Shore (kilometers (km))\nDAl (nanomolar concentration (nM))\nTDAl (nanomolar concentration (nM))\nDMn (nanomolar concentration (nM))\nTDMn (nanomolar concentration (nM))\n | https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_891941_v1/index.htmlTable | https://www.bco-dmo.org/dataset/891941
| https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_891941_v1.rss | https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_891941_v1&showErrors=false&email= | BCO-DMO | bcodmo_dataset_891941_v1 | |||||
| https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_891918_v1 | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_891918_v1.graph | https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_891918_v1/ | public | [Gulf of Alaska Al and Mn - Vertical Profiles] - Dissolved aluminum (Al) and manganese (Mn) and total dissolvable Al and Mn from subsurface water samples collected during three cruises in 2010 in the northern Gulf of Alaska (US GEOTRACES Pacific Section-Shipboard Al, Mn and Fe) | Water samples were collected along a transect during three cruises in 2010 (7-9 April, 5-7 May, and 27-29 July) in the northern Gulf of Alaska, from the mouth of the Copper River to about 50 kilometers past the shelf break. Vertical profiles were collected using Teflon-lined Niskin bottles attached to a Spectra™ (Dyneema) line and triggered using Teflon-lined messengers. Additionally, profiles of salinity, temperature, fluorescence, and turbidity were measured with a Seabird SBE16 CTD, deployed at the same time as the collection of the subsurface water samples. Water samples were processed in the shipboard clean lab within three hours of collection. Dissolved samples were filtered using acid-washed 0.45-micrometer Pall-Supor filters. All samples were acidified to pH 1.8 using Seastar grade HCl within 3 days and stored for 5 years before analysis.\n\nFiltered samples were analyzed for dissolved aluminum (Al) and unfiltered samples were analyzed for total dissolvable Al using Flow Injection Analysis (Resing and Measures 1994) using fluorescent detection of lumogallion. Filtered samples were analyzed for dissolved manganese (Mn) and unfiltered samples were analyzed for total dissolvable Mn according to the method of Resing and Mottl (1992), which uses spectroscopic detection of leuchomalachite green.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nStation (unitless)\ndepth (m)\ntime (Iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nLatitude_degN (degrees_north)\nlongitude (Longitude_dege, degrees_east)\nDAl (nanomolar concentration (nM))\nTDAl (nanomolar concentration (nM))\nDMn (nanomolar concentration (nM))\nTDMn (nanomolar concentration (nM))\n | https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_891918_v1/index.htmlTable | https://www.bco-dmo.org/dataset/891918
| https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_891918_v1.rss | https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_891918_v1&showErrors=false&email= | BCO-DMO | bcodmo_dataset_891918_v1 | |||||
| log in | [Water Column Dissolved and Total Dissolvable Metal Concentrations, Hawaii Ocean Timeseries 2020-2023] - Water column dissolved and total dissolvable metal concentrations 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) | We collected and analyzed water samples for dissolved and total dissolvable trace metal concentration on Hawaii Ocean Time-series (HOT) cruises between December 2020 and November 2023. All samples were collected at Station ALOHA. Samples were collected using a trace metal rosette. Approx. 12 depth samples were collected for each cruise within the upper 350 m of the water column. \n \nDissolved metal measurements reflect samples filtered through a 0.2 micron filter. Total dissolvable metal measurements represent unfiltered samples. Both sample types were acidified for > 2 months after collection and metals were extracted via chelating resin (Nobias PA-1) and analyzed by inductively coupled plasma mass spectrometry at the University of Hawaii at Manoa using a Thermo Scientific iCAP-TQ mass spectrometer. \n \nThis 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.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nISO_DateTime_Local (Time, unitless)\ntime (Time_utc, seconds since 1970-01-01T00:00:00Z)\nlongitude (degrees_east)\nlatitude (degrees_north)\ndepth (m)\ndTi (nanomoles per liter (nmol/L))\ndTi_qc (unitless)\ndMn (nanomoles per liter (nmol/L))\ndMn_qc (unitless)\ndCo (nanomoles per liter (nmol/L))\ndCo_qc (unitless)\ndFe (nanomoles per liter (nmol/L))\ndFe_qc (unitless)\n... (28 more variables)\n | BCO-DMO | bcodmo_dataset_962986_v1 |