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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_668556.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_668556 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_668556.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_668556/ public [GP16 Dissolved iron speciation] - Dissolved iron speciation from 2013 U.S. GEOTRACES Eastern Pacific Zonal Transect from R/V Thomas G. Thompson TN303 from October-December 2013 (U.S. GEOTRACES EPZT project, EPZT Fe Cu Co project) (U.S. GEOTRACES East Pacific Zonal Transect) Dissolved iron-binding organic ligand concentrations and conditional stability\nconstants from surface GeoFish and GO-FLO water column samples collected in\n2013 during the U.S. GEOTRACES GP16 cruise in the Eastern Pacific between Peru\nand Tahiti on the R.V. Thomas G. Thompson, \\u00a0cruise TN303.\n \nThe FISH and BOTTLE data have been split into separate columns as per\nGEOTRACES Parameter Naming Conventions.The FISH data are to the far right.\n \n* To access the data with the FISH and BOTTLE data merged, see:\\u00a0[http://data.bco-dmo.org/jg/serv/BCO/GEOTRACES/EPZT/Fe_spec_EPZT_joined.html0%7Bdir=data.bco-dmo.org/jg/dir/BCO/GEOTRACES/EPZT/,info=data.bco-dmo.org/jg/info/BCO/GEOTRACES/EPZT/Fe_speciation%7D](\\\\http://data.bco-dmo.org/jg/serv/BCO/GEOTRACES/EPZT/Fe_spec_EPZT_joined.html0%7Bdir=data.bco-dmo.org/jg/dir/BCO/GEOTRACES/EPZT/,info=data.bco-dmo.org/jg/info/BCO/GEOTRACES/EPZT/Fe_speciation%7D\\\\)\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (unitless)\nstation (unitless)\nGEOTRC_SAMPNO (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nFe_D_CONC_BOTTLE (nanomoles/liter (10^-9 M))\nL1Fe_D_CONC_BOTTLE (L1 Fe D CONC BOTTLE, nanomoles/liter (10^-9 M))\nL1_FLAG (unitless)\nL1_95pcnt_CI (nanomoles/liter (10^-9 M))\nL1Fe_D_LogK_BOTTLE (L1 Fe D Log K BOTTLE, No units; K1 has units of M-1)\nlog_K1_FLAG (unitless)\nlog_K1_95pcnt_CI (No units; K1 has units of M-1)\nL2Fe_D_CONC_BOTTLE (L2 Fe D CONC BOTTLE, nanomoles/liter (10^-9 M))\nL2_FLAG (unitless)\nL2_95pcnt_CI (nanomoles/liter (10^-9 M))\nL2Fe_D_LogK_BOTTLE (L2 Fe D Log K BOTTLE, No units; K2 has units of M^-1)\nlog_K2_FLAG (unitless)\n... (29 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_668556_fgdc.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_668556/index.htmlTable https://www.bco-dmo.org/dataset/668556 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_668556.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_668556&showErrors=false&email= BCO-DMO bcodmo_dataset_668556
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_994890_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_994890_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_994890_v1/ public [GP17-ANT Fe-binding ligands] - Dissolved iron-binding ligand concentrations and conditional stability constants from field samples collected on US GEOTRACES GP17-ANT cruise NBP24-01 on RVIB Palmer in the Amundsen Sea from Nov 2023 to Jan 2024 (Collaborative Research: U.S. GEOTRACES GP17-OCE and GP17-ANT: Characterizing iron-binding organic ligands in the Southern Ocean and implications for iron cycling in the global ocean) Iron is an essential micronutrient for marine life, and its distribution across the world ocean is mostly driven by its complexation by a fraction of the dissolved organic matter pool called iron-binding ligands. This dataset includes the concentration and conditional stability constant of dissolved iron-binding ligands of samples collected during the U.S. GEOTRACES GP17-ANT cruise. This cruise was aiming to investigate the distribution of trace metals and dependent variables in the Amundsen Sea (Antarctica), hotspot of primary production and of major interest in carbon cycling. The cruise departed Punta Arenas (Chile) on November 29th, 2023 and arrived in Lyttelton (New Zealand) on January 28th 2024, after sample collection in the Amundsen Sea (Antarctica). Seawater samples were collected with a tow-fish and a trace metal clean rosette equipped with 24 GoFlo bottles, placed in acid-clean FLPE bottles, and stored frozen (-20 degrees Celsius) until onboard analysis by Dr. Léo Mahieu, if not analyzed within 24 hours after collection. \n\nThe Amundsen Sea is the site of some of the biggest phytoplanktonic blooms happening seasonally across the world ocean, and is, therefore, an important zone for carbon fixation and export. Yet, uncertainty remains about the processes fueling this bloom, notably for iron. The Amundsen Sea is characterized by shallow depth allowing for connectivity between sediment resuspension and phytoplankton iron supply, and by one of the higher rates of the sea-ice melt rate observed on the Antarctic continent. This dataset is the first one to present iron-binding ligand characteristics in samples deeper than 300 m in the Amundsen Sea, and allows us to report on the impact of sediment resuspension, ice melting, and biological productivity on iron-binding ligand characteristics and on their role in transporting iron in the Amundsen Sea.\n\ncdm_data_type = Other\nVARIABLES:\nCRUISE (unitless)\nSAMPLE_ID (unitless)\nSTATION (unitless)\nDATE (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nPLATFORM (unitless)\n... (44 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_994890_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_994890_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_994890_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/994890 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_994890_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_994890_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_994890_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_993204_v1/ public [GP17-OCE Fe-binding ligands] - Dissolved iron-binding ligand concentrations and conditional stability constants in surface and water column samples collected on US GEOTRACES GP17-OCE cruise (R/V Roger Revelle RR2214) in the South Pacific and Southern Oceans from Dec 2022 to Jan 2023 (Collaborative Research: U.S. GEOTRACES GP17-OCE and GP17-ANT: Characterizing iron-binding organic ligands in the Southern Ocean and implications for iron cycling in the global ocean) Iron is an essential micronutrient for marine life, and its binding by organic binding ligands is one of the main drivers of its distribution across the world ocean. This dataset includes the concentration and conditional stability constant of dissolved iron-binding ligands in the samples collected during the U.S. GEOTRACES GP17-OCE cruise. The objective of the cruise was to investigate the distribution of trace metals and dependent variables in a vast region of the South Pacific and Southern Ocean. The cruise departed Tahiti (French Polynesia) on December 1, 2022, and arrived in Punta Arenas (Chile) on January 25, 2023, crossing the Western South Pacific gyre, the Pacific-Antarctic ridge, the Southern Pacific Ocean, and the Chilean margin. Seawater samples were collected using trace metal clean techniques and stored frozen (-20 degrees Celsius) until analysis by Dr. Léo Mahieu in Kristen Buck's Elemental Ocean Lab, Oregon State University. \n\nThe regions crossed during this transect represent a diversity of nutrient regimes, from oligotrophic to high nutrient-low chlorophyll systems, and deep waters were influenced by different hydrothermal systems, namely the East Pacific rise and the Pacific Antarctic ridge. This transect also crossed regions of intermediate and mode water mass formation, and the dynamic frontal system separating the warm South Pacific Ocean and the cold Southern Ocean. This cruise was a unique opportunity to investigate this vast and sparsely studied region, and our observations highlight potential processes leading to variations in iron-binding ligand characteristics along the water column across regions, fronts, nutrient regimes, hydrothermal influence, and water masses.\n\ncdm_data_type = Other\nVARIABLES:\nCRUISE (unitless)\nSAMPLE_ID (unitless)\nSTATION (unitless)\nDATE (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nPLATFORM (unitless)\ndepth (m)\nFe_D_CONC_BOTTLE (nanomole per liter (nM))\n... (43 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_993204_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_993204_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_993204_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/993204 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_993204_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_993204_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_993204_v1

 
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