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griddap Subset tabledap Make A Graph wms files Accessible Title Summary FGDC ISO 19115 Info Background Info RSS Email Institution Dataset ID
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1002509_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1002509_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_1002509_v1/ public [Geochemical data from methane seeps in the Cascadia Margin] - Porewater geochemical data from methane seeps in the Astoria Canyon and Hydrate Ridge along the Cascadia Margin collected during R/V Atlantis cruises in 2023 and 2024 (Collaborative Research: Investigating the source and flux of dissolved organic carbon released from methane seeps to the deep-ocean) These data include vertical profiles of concentrations and stable carbon isotope values of dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), and total organic carbon (TOC) from sediment cores collected at methane seeps and reference sites. Sediment porosity and dissolved sulfate and methane concentrations are also presented. Methane seeps in Astoria Canyon and Hydrate Ridge along the Cascadia Margin were sampled. These data were collected over two years and across two cruises: AT50-14 (R/V Atlantis, 2023) and AT50-29B (R/V Atlantis, 2024). These data are used to assess the prevalence of methane-derived DOC at methane seeps, which may contribute 'old' carbon to the deep ocean or serve as a source of reduced carbon for the deep ocean microbial loop.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nRegion (unitless)\nStation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nCore_Type (unitless)\nCore_retrieval_method (unitless)\nDate_Collected (unitless)\nDive (unitless)\nWater_depth_m (meters (m))\nTop_sed_depth_cm (centimeters below sea floor (cmbsf))\nBottom_sed_depth_cm (centimeters below sea floor (cmbsf))\nDepth_cm (centimeters below sea floor (cmbsf))\nSample_ID (unitless)\nCore_ID (unitless)\nCore_Allocation (unitless)\nFlux_Regime_Location_Based (unitless)\nOLW_num (unitless)\nComments (unitless)\nFrozen_status (unitless)\n... (35 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_1002509_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_1002509_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_1002509_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/1002509 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_1002509_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_1002509_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_1002509_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1005742_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1005742_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_1005742_v1/ public [Porewater geochemical data from mainstem Chesapeake Bay in July 2022] - Porewater geochemical data from sediment cores collected at methane seeps and reference sites in mainstem Chesapeake Bay in July 2022 (Collaborative Research: Investigating the source and flux of dissolved organic carbon released from methane seeps to the deep-ocean) These data include vertical profiles of concentrations and stable carbon isotope values of methane, carbon dioxide, dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), and total organic carbon (TOC) from porewater of sediment cores collected at methane seeps and reference sites. Sediment porosity and dissolved sulfate and chloride concentrations are also presented. Gravity cores (1 meter) were collected from the mainstem of Chesapeake Bay from July 25-29, 2022. These data are used to assess the distribution, source, and fate of methane in a eutrophic shallow-water estuary, which is a source of methane to the atmosphere. These data can be used to understand the processes driving methane release and constrain estuarine methane emissions. The sediment data are reported in a separate, related dataset.\n\ncdm_data_type = Other\nVARIABLES:\nSample_ID (unitless)\nSite_Name (unitless)\nStation_ID (unitless)\nlatitude (Latitude_ddeg, degrees_north)\nlongitude (Longitude_ddeg, degrees_east)\nSampling_Date (unitless)\nWater_Depth_m (meters (m))\nCore_Allocation (unitless)\nSediment_Depth_cmbsf (centimeters below sea floor (cmbsf))\nSediment_interval_thickness_cm (centimeters (cm))\nSulfate_mM (millimolar (mM))\nChloride_mM (millimolar (mM))\nDIC_mM (millimolar (mM))\nd13C_DIC_permille (per mille (‰))\nPorosity (unitless)\nCH4_uM (micromolar (uM))\nd13C_CH4_permille (per mille (‰))\nd13C_CH4_1sigma (per mille (‰))\nCO2_mM (millimolar (mM))\n... (5 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_1005742_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_1005742_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_1005742_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/1005742 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_1005742_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_1005742_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_1005742_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1002503_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_1002503_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_1002503_v1/ public [Sediment geochemical data from mainstem Chesapeake Bay in July 2022] - Sediment geochemical data from sediment cores collected at methane seeps and reference sites in mainstem Chesapeake Bay in July 2022 (Collaborative Research: Investigating the source and flux of dissolved organic carbon released from methane seeps to the deep-ocean) These data include vertical profiles of concentrations and stable carbon isotope values of methane, carbon dioxide, dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), and total organic carbon (TOC) from sediment cores collected at methane seeps and reference sites. Sediment porosity and dissolved sulfate and chloride concentrations are also presented. Gravity cores (1 meter) were collected from the mainstem of Chesapeake Bay from July 25-29, 2022. These data are used to assess the distribution, source, and fate of methane in a eutrophic shallow-water estuary, which is a source of methane to the atmosphere. This data can be used to understand the processes driving methane release and constrain estuarine methane emissions. The porewater data are reported in a separate, related dataset.\n\ncdm_data_type = Other\nVARIABLES:\nSample_ID (unitless)\nSite_Name (unitless)\nStation_ID (unitless)\nlatitude (Latitude_ddeg, degrees_north)\nlongitude (Longitude_ddeg, degrees_east)\nSampling_Date (unitless)\nWater_Depth_m (meters (m))\nCore_Allocation (unitless)\nSediment_Depth_cmbsf (centimeters below sea floor (cmbsf))\nSediment_interval_thickness_cm (centimeters (cm))\nd13C_TOC_permille (per mille (‰))\nCorg_percent (weight percent (wt.%))\nd13C_TON_permille (per mille (‰))\nNorg_percent (weight percent (wt.%))\nComment (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_1002503_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_1002503_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_1002503_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/1002503 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_1002503_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_1002503_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_1002503_v1

 
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