bcodmo_dataset_993204_v1 eng UTF8 dataset service Adam Shepherd BCO-DMO 508-289-2772 266 Woods Hole Rd. MS#36 Woods Hole MA 02543 USA erddap@bco-dmo.org pointOfContact 2026-04-16 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) 3 column row vertical [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) 2026-04-16 creation erddap.bco-dmo.org bcodmo_dataset_993204_v1 BCO-DMO info@bco-dmo.org https://osprey.bco-dmo.org/dataset/993204 information web browser Background Information Background information from the source information originator 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. The 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. BCO-DMO info@bco-dmo.org https://osprey.bco-dmo.org/dataset/993204 information web browser Background Information Background information from the source information pointOfContact earth science atmosphere ocean biosphere biology environment theme BCO-DMO project latitude longitude depth theme CF 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. BCO-DMO largerWorkCitation project eng geoscientificInformation 1 -152.0003 -75.0971 -67.0002 -19.9999 -5621.2 -2.0 [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) 2026-04-16 creation BCO-DMO info@bco-dmo.org https://osprey.bco-dmo.org/dataset/993204 information web browser Background Information Background information from the source information originator 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. The 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. ERDDAP tabledap 1 -152.0003 -75.0971 -67.0002 -19.9999 -5621.2 -2.0 tight ERDDAPtabledapDatasetQueryAndAccess https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1 ERDDAP:tabledap ERDDAP-tabledap ERDDAP's tabledap service (a flavor of OPeNDAP) for tabular (sequence) data. Add different extensions (e.g., .html, .graph, .das, .dds) to the base URL for different purposes. download [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) 2026-04-16 creation BCO-DMO info@bco-dmo.org https://osprey.bco-dmo.org/dataset/993204 information web browser Background Information Background information from the source information originator 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. The 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. OPeNDAP 1 -152.0003 -75.0971 -67.0002 -19.9999 -5621.2 -2.0 tight OPeNDAPDatasetQueryAndAccess https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1 OPeNDAP:OPeNDAP OPeNDAP An OPeNDAP service for tabular (sequence) data. Add different extensions (e.g., .html, .das, .dds) to the base URL for different purposes. download physicalMeasurement CRUISE String Cruise SAMPLE_ID int Sample_id STATION int Station DATE String Date PLATFORM String Platform Fe_D_CONC_BOTTLE float Fe_d_conc_bottle DFe_D_DATA_PRODUCER String Dfe_d_data_producer L1Fe_D_CONC_BOTTLE_ritefe float L1fe_d_conc_bottle_ritefe L1_FLAG_BOTTLE_ritefe int L1_flag_bottle_ritefe L1_95pcnt_CI_BOTTLE_ritefe float L1_95pcnt_ci_bottle_ritefe L1Fe_D_LogK_BOTTLE_pjmh3q float L1fe_d_logk_bottle_pjmh3q Log_K1_FLAG_BOTTLE_pjmh3q int Log_k1_flag_bottle_pjmh3q Log_K1_95pcnt_CI_BOTTLE_pjmh3q float Log_k1_95pcnt_ci_bottle_pjmh3q L2Fe_D_CONC_BOTTLE_mwzurv float L2fe_d_conc_bottle_mwzurv L2_FLAG_BOTTLE_mwzurv int L2_flag_bottle_mwzurv L2_95pcnt_CI_BOTTLE_mwzurv float L2_95pcnt_ci_bottle_mwzurv L2Fe_D_LogK_BOTTLE_cry7lm float L2fe_d_logk_bottle_cry7lm Log_K2_FLAG_BOTTLE_cry7lm int Log_k2_flag_bottle_cry7lm Log_K2_95pcnt_CI_BOTTLE_cry7lm float Log_k2_95pcnt_ci_bottle_cry7lm L3Fe_D_CONC_BOTTLE float L3fe_d_conc_bottle L3_FLAG_BOTTLE int L3_flag_bottle L3_95pcnt_CI_BOTTLE float L3_95pcnt_ci_bottle L3Fe_D_LogK_BOTTLE float L3fe_d_logk_bottle Log_K3_FLAG_BOTTLE int Log_k3_flag_bottle Log_K3_95pcnt_CI_BOTTLE float Log_k3_95pcnt_ci_bottle L1Fe_D_CONC_FISH_b7l83q float L1fe_d_conc_fish_b7l83q L1_FLAG_FISH_b7l83q int L1_flag_fish_b7l83q L1_95pcnt_CI_FISH_b7l83q float L1_95pcnt_ci_fish_b7l83q L1Fe_D_LogK_FISH_j8v4ij float L1fe_d_logk_fish_j8v4ij Log_K1_FLAG_FISH_j8v4ij int Log_k1_flag_fish_j8v4ij Log_K1_95pcnt_CI_FISH_j8v4ij float Log_k1_95pcnt_ci_fish_j8v4ij L2Fe_D_CONC_FISH_srmfqm float L2fe_d_conc_fish_srmfqm L2_FLAG_FISH_srmfqm int L2_flag_fish_srmfqm L2_95pcnt_CI_FISH_srmfqm float L2_95pcnt_ci_fish_srmfqm L2Fe_D_LogK_FISH_cu47vs float L2fe_d_logk_fish_cu47vs Log_K2_FLAG_FISH_cu47vs int Log_k2_flag_fish_cu47vs Log_K2_95pcnt_CI_FISH_cu47vs float Log_k2_95pcnt_ci_fish_cu47vs L3Fe_D_CONC_FISH float L3fe_d_conc_fish L3_FLAG_FISH int L3_flag_fish L3_95pcnt_CI_FISH float L3_95pcnt_ci_fish L3Fe_D_LogK_FISH float L3fe_d_logk_fish Log_K3_FLAG_FISH int Log_k3_flag_fish Log_K3_95pcnt_CI_FISH float Log_k3_95pcnt_ci_fish LFetot float Lfetot LFetot_95pcnt_CI float Lfetot_95pcnt_ci eLFetot float Elfetot eLFe1 float Elfe1 Log_Ktot float Log_ktot Log_Ktot_95pcnt_CI String Log_ktot_95pcnt_ci Adam Shepherd BCO-DMO 508-289-2772 266 Woods Hole Rd. MS#36 Woods Hole MA 02543 USA erddap@bco-dmo.org distributor OPeNDAP DAP/2.0 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1.html order Data Subset Form ERDDAP's version of the OPeNDAP .html web page for this dataset. Specify a subset of the dataset and download the data via OPeNDAP or in many different file types. download https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_993204_v1.graph order Make-A-Graph Form ERDDAP's Make-A-Graph .html web page for this dataset. Create an image with a map or graph of a subset of the data. mapDigital This record was created from dataset metadata by ERDDAP Version 2.22