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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_770447.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_770447 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_770447.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_770447/ public Barium concentration and isotopic data collected along the California Coastline during July 2014 from R/V Melville cruise MV1405 Barium concentration and isotopic data collected along the California Coastline during July 2014 from R/V Melville cruise MV1405.\n\ncdm_data_type = Other\nVARIABLES:\nEvent (unitless)\nStation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nbottle_rosette (unitless)\nBa_D_CONC_BOTTLE (nanomoles per kilogram (nmol/kg))\nBa_D_CONC_BOTTLE_stdev (nmol/kg)\nBa_D_CONC_BOTTLE_FLAG (unitless)\nBa_138_134_D_DELTA_BOTTLE (per mil deviation rel. to NIST SRM 3104a)\nBa_138_134_D_DELTA_BOTTLE_stdev (per mil)\nBa_138_134_D_DELTA_BOTTLE_FLAG (unitless)\nNotes (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_770447_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_770447/index.htmlTable https://www.bco-dmo.org/dataset/770447 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_770447.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_770447&showErrors=false&email= BCO-DMO bcodmo_dataset_770447
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3773.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3773 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3773.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_3773/ public Niskin bottle water samples and CTD measurements from the Hawaii Ocean Time-Series cruises from 1988-2016 (HOT project) Monthly measurements of the thermohaline structure, water column chemistry, and primary production were collected at station ALOHA as part of the HOT program.\n\ncdm_data_type = Other\nVARIABLES:\ncruise_name (unitless)\nEXPOCODE (unitless)\nShip (unitless)\nSTNNBR (unitless)\nCASTNO (unitless)\nsection (unitless)\ntime (ISO Date Time, seconds since 1970-01-01T00:00:00Z)\nDate (unitless)\nYear (unitless)\nMonth (unitless)\nDay (unitless)\ntimeutc (unitless)\ntimecode (unitless)\nlongitude (degrees_east)\nlatitude (degrees_north)\nnav_code (unitless)\ndepth_max (Depth, meters (m))\npres_max (decibars (db))\ndepth_hgt (Depth, meters (m))\nparameters (unitless)\ncomments (unitless)\nHOT_summary_file_name (unitless)\nROSETTE (unitless)\nCTDPRS (decibars)\nA_CAR (nanograms per liter (ng/L))\nALKALIN (microeq/kilogram (ueq/kg))\n... (78 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_3773_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_3773/index.htmlTable https://www.bco-dmo.org/dataset/3773 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_3773.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_3773&showErrors=false&email= BCO-DMO bcodmo_dataset_3773
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_650831.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_650831 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_650831.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_650831/ public Nutrients, pigments, silicate and experimental data collected aboard the OCEANUS during cruise OC1504A in the North Pacific Ocean from 2015-04-19 to 2015-05-06 These data include nutrient, pigment, silica and experimental data collected aboard the OCEANUS during cruise OC1504A in the North Pacific Ocean along the California Coast from 2015-04-19 to 2015-05-06. The water samples were collected by CTDs. Silica production rates were characterized by delivering incremental increases in silicic acid (Si) along with a radioactive isotope of silicon (32Si). This is an extremely sensitive assay and can determine the maximum production rates of the community being studied and the degree that its growth is being limited by lack of Si. These data were collected by Mark Brzezinski from the University of California at Santa Barbara as part of Linking Physiological and Molecular Aspects of Diatom Silicification.\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (unitless)\nbrief_desc (unitless)\nevent (unitless)\nstation (unitless)\ndate_utc (unitless)\ntime_utc (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth_w (Depth, meters)\ncast (unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\ndepth (m)\nsample_no (unitless)\nbottle_rosette (unitless)\nPAR_percent (percent)\nbottle_pooled (unitless)\ndepth_target (Depth, meters)\nPO4 (Mass Concentration Of Phosphate In Sea Water, micromoles per liter)\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, micromoles per liter)\nchl_total (micrograms per liter)\n... (12 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_650831_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_650831/index.htmlTable https://www.bco-dmo.org/dataset/650831 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_650831.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_650831&showErrors=false&email= BCO-DMO bcodmo_dataset_650831
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680091 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680091.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_680091/ public Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 This dataset includes geochemical profiles of water samples collected in\nAugust 2015 at two stations in the western arm of Lake Superior.\n \nThese data were published in:  \n Tristan J. Horner, Helena V. Pryer, Sune G. Nielsen, Peter W. Crockford,\nJulia M. Gauglitz, Boswell A. Wing & Richard D. Ricketts (2017) Pelagic barite\nprecipitation at micromolar ambient sulfate. Nature Communications 8, Article\nnumber: 1342 (2017) doi:10.1038/s41467-017-01229-5\n \nOther relevant files and publications:  \n Horner, T. J., Kinsley, C. W., & Nielsen, S. G. (2015). Barium-isotopic\nfractionation in seawater mediated by barite cycling and oceanic circulation.\nEarth and Planetary Science Letters, 430, 511-522.\n\ncdm_data_type = Other\nVARIABLES:\nsta (unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth_w (Depth, meters)\ndepth (m)\nsample (unitless)\nRosette_Position (unitless)\nCTDTMP (degrees Celcius)\nBa_TD_CONC_BOTTLE (nanomoles per liter)\nBa_TD_CONC_BOTTLE_stdev (nanomoles per liter)\nBa_138_TD_DELTA_BOTTLE (per mil relative to NIST SRM 3104a)\nBa_138_TD_DELTA_BOTTLE_stdev (per mil relative to NIST SRM 3104a)\nAl_TP_CONC_BOTTLE (picomoles per liter)\nAl_TP_CONC_BOTTLE_stdev (picomoles per liter)\n... (22 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_680091_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_680091/index.htmlTable https://www.bco-dmo.org/dataset/680091 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_680091.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_680091&showErrors=false&email= BCO-DMO bcodmo_dataset_680091

 
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