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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 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 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/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 data from EXPORTS cruise RR1813 on R/V Roger Revelle in the Subarctic North Pacific near Station PAPA from August to September 2018 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/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_516174 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_516174.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_516174/ public Concentration of major dissolved nutrients sampled from CTD hydrocasts from R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project) Concentration of major dissolved nutrients (nitrate, nitrite, phosphate and silicate) sampled from CTD hydrocasts on the MV1008 cruise in the Costa Rica Dome (CRD) region of the Eastern Tropical Pacific Ocean.\n\ncdm_data_type = Other\nVARIABLES:\nevent (integer)\ncast (integer)\ncycle (text)\ndate_local (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nnitrate (Mole Concentration Of Nitrate In Sea Water, micromolar (uM))\nnitrite (Mole Concentration Of Nitrite In Sea Water, micromolar (uM))\nN_N (micromolar (uM))\nphosphate (Mass Concentration Of Phosphate In Sea Water, micromolar (uM))\nsilicic_acid (micromolar (uM))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_516174_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_516174/index.htmlTable https://www.bco-dmo.org/dataset/516174 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_516174.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_516174&showErrors=false&email= BCO-DMO bcodmo_dataset_516174

 
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