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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_786013.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_786013 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_786013.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_786013/ public [14C 32Si Experimental - from RR1813] - 32Si and 14C production data (experimental) from EXPORTS cruise RR1813 on R/V Roger Revelle in the Subarctic North Pacific near Station PAPA from August to September 2018 (Collaborative Research: Diatoms, Food Webs and Carbon Export - Leveraging NASA EXPORTS to Test the Role of Diatom Physiology in the Biological Carbon Pump) This dataset includes 32Si and 14C production data (experimental) from EXPORTS cruise RR1813. The EXPORTS field campaign in the subarctic North Pacific sampled an ecosystem characterized as high nutrient low chlorophyll (HNLC) due to low iron (Fe) levels that are primary controllers constraining phytoplankton utilization of other nutrients. It has been a paradigm in low Fe, HNLC systems that diatoms grow at elevated Si:C and Si:N ratios and should be efficiently exported as particles significantly enriched in Si relative to C. However, Fe limitation also alters diatoms species composition and the high Si demand imposed by low Fe can drive HNLC regions to Si limitation or Si/Fe co-limitation. Thus, the degree of Si and/or Fe stress in HNLC waters can all alter diatom taxonomic composition, the elemental composition of diatom cells, and the path cells follow through the food web ultimately altering diatom carbon export.\\r\\n\\r\\nWithin each ecosystem state examined in the EXPORTS program, nutrient biogeochemistry, diatom and phytoplankton community structure, and global diatom gene expression patterns (metatranscriptomics) are characterized in the lit ocean. Nutrient amendment experiments with tracer addition (14C, 32Si) are used to quantify the level of Si and Fe stress being experienced by the phytoplankton and to contextualize taxa-specific metatranscriptome responses for resolving gene expression profiles in the in situ communities.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nDate_Zulu (unitless)\nTime_Zulu (unitless)\nEvent_num (unitless)\nActivity (unitless)\nStation (unitless)\nCast (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nRosette_Bottle (unitless)\ndepth (Target Depth, m)\npcnt_lo (unitless (percent))\n... (22 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_786013_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_786013_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_786013/index.htmlTable https://www.bco-dmo.org/dataset/786013 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_786013.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_786013&showErrors=false&email= BCO-DMO bcodmo_dataset_786013
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_785856.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_785856 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_785856.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_785856/ public [32Si Profiles - from RR1813] - 32Si data from EXPORTS cruise RR1813 on R/V Roger Revelle in the Subarctic North Pacific near Station PAPA from August to September 2018 (Collaborative Research: Diatoms, Food Webs and Carbon Export - Leveraging NASA EXPORTS to Test the Role of Diatom Physiology in the Biological Carbon Pump) This dataset includes depth profiles in the euphotic zone of nutrient (nitrate, silicate, phosphate) concentrations and profiles of silicic acid uptake rates from EXPORTS cruise RR1813. \\r\\n\\r\\nThe EXPORTS field campaign in the subarctic North Pacific sampled an ecosystem characterized as high nutrient low chlorophyll (HNLC) due to low iron (Fe) levels that are primary controllers constraining phytoplankton utilization of other nutrients. It has been a paradigm in low Fe, HNLC systems that diatoms grow at elevated Si:C and Si:N ratios and should be efficiently exported as particles significantly enriched in Si relative to C. However, Fe limitation also alters diatoms species composition and the high Si demand imposed by low Fe can drive HNLC regions to Si limitation or Si/Fe co-limitation. Thus, the degree of Si and/or Fe stress in HNLC waters can all alter diatom taxonomic composition, the elemental composition of diatom cells, and the path cells follow through the food web ultimately altering diatom carbon export.\\r\\n\\r\\nWithin each ecosystem state examined in the EXPORTS program, nutrient biogeochemistry, diatom and phytoplankton community structure, and global diatom gene expression patterns (metatranscriptomics) are characterized in the lit ocean. Nutrient amendment experiments with tracer addition (14C, 32Si) are used to quantify the level of Si and Fe stress being experienced by the phytoplankton and to contextualize taxa-specific metatranscriptome responses for resolving gene expression profiles in the in situ communities.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nDate_Zulu (unitless)\nTime_Zulu (unitless)\nEvent_num (unitless)\nActivity (unitless)\nStation (unitless)\nCast (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nRosette_Bottle (unitless)\ndepth (Target Depth, m)\n... (16 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_785856_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_785856_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_785856/index.htmlTable https://www.bco-dmo.org/dataset/785856 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_785856.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_785856&showErrors=false&email= BCO-DMO bcodmo_dataset_785856
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3470.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3470 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3470.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_3470/ public [GT10 - Nanomolar Nutrients - Surface] - PO4, NO3, NO2 surface concentrations along the US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04, KN199-05 cruises in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project) (U.S. GEOTRACES North Atlantic Transect) PO4, NO3, NO2 surface concentrations along the US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04, KN199-05 cruises in the subtropical N. Atlantic during 2010.\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (text)\nGeoFish_id (Geo Fish Id, integer)\nevent_GEOTRC (dimensionless)\nGeoTraces_ID (Geo Traces ID, integer)\nsample_GEOTRC (dimensionless)\ndate (unitless)\ntime2 (Time, HHMM)\nlatitude (degrees_north)\nlongitude (degrees_east)\nPO4 (Mass Concentration Of Phosphate In Sea Water, nmol/L)\nPO4_Flag (integer)\nNO3 (Mole Concentration Of Nitrate In Sea Water, nmol/L)\nNO3_Flag (integer)\nNO2 (Mole Concentration Of Nitrite In Sea Water, nmol/L)\nNO2_Flag (integer)\nRemarks (text)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_3470_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_3470_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_3470/index.htmlTable https://www.bco-dmo.org/dataset/3470 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_3470.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_3470&showErrors=false&email= BCO-DMO bcodmo_dataset_3470
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3233.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3233 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3233.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_3233/ public [nutrients and metals] - Nutrients, cobalt, dissolved iron, and dissolved manganese from trace metal bottles from R/V Knorr cruise KN192-05 in the South Atlantic subtropical gyre and Benguela upwelling region in 2007 (CoFeMUG project) (Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre) Analysis of nutrients, Cobalt (total and labile), dissolved Iron, and dissolved Manganese of water samples drawn from Trace Metal Rosette (TMR) bottle casts.\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (dimensionless)\nsta (dimensionless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nlon_360 (Longitude, decimal degrees)\ndepth_w (Depth, meters)\ndepth (m)\nev_code (dimensionless)\nrun_id (dimensionless)\ncast (dimensionless)\ndate (unitless)\nyear (unitless)\nmon (MM)\nday (DD)\ntime2 (Time, hhmm)\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, micromolar)\nNO3_NO2_flag (dimensionless)\nPO4 (Mass Concentration Of Phosphate In Sea Water, micromolar)\nPO4_flag (dimensionless)\nSiO4 (Si O4, micromolar)\nSiO4_flag (Si O4 Flag, dimensionless)\nNO2 (Mole Concentration Of Nitrite In Sea Water, micromolar)\nNO2_flag (dimensionless)\nNH4 (Mole Concentration Of Ammonium In Sea Water, micromolar)\nNH4_flag (dimensionless)\nCo_tot (picomolar)\n... (8 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_3233_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_3233_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_3233/index.htmlTable https://www.bco-dmo.org/dataset/3233 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_3233.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_3233&showErrors=false&email= BCO-DMO bcodmo_dataset_3233

 
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