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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_929873_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_929873_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_929873_v1/ public [Chlorophyll-a concentrations in seawater near the BATS station, cruises AE2113 and AE2303] - Chlorophyll-a concentrations in seawater collected near the BATS station during R/V Atlantic Explorer cruises AE2113 (July 2021) and AE2303 (January 2023) (Collaborative Research: Seasonal Variability in refractory dissolved organic carbon fluxes associated with primary marine aerosol emitted from the oceans) This dataset includes the concentrations of Chlorophyll a (Chl a) determined in 0.2 µm-filtered seawater samples collected from the Bermuda Atlantic Time-series Study (BATS) station during a summer cruise in 2021 and a winter cruise in 2023. The Chl a concentration in each sample was quantified by fluorescence under subdued lighting using a Turner Designs model AU-10 fluorometer by Dr. Joanna Kinsey. This dataset was compiled by Dr. Lei Xue under the supervision of Dr. David Kieber at the State University of New York, College of Environmental Science and Forestry. These data were used to evaluate the seasonal variation of primary productivity at the BATS station. This work is part of a larger study to understand the seasonal variability in the fraction of refractory organic carbon in primary marine aerosol at the BATS station.\n\ncdm_data_type = Other\nVARIABLES:\nCruise_ID (unitless)\ntime (Sampling_iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nCTD_Filename (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nStation (unitless)\nCast (unitless)\nCTD_Bottle (unitless)\nSalinity (part per thousand (ppt))\nTemperature (degree Celsius)\ndepth (Sampling_depth, m)\nVolume_Filtered (milliliter (ml))\nDilution_Factor (unitless)\nExtraction_Volume (milliliter (ml))\nChl_a (microgram per liter (ug/L))\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_929873_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_929873_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_929873_v1/index.htmlTable https://www.bco-dmo.org/dataset/929873 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_929873_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_929873_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_929873_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_930111_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_930111_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_930111_v1/ public [Major inorganic ions in seawater near the BATS station, cruises AE2113 and AE2303] - Major inorganic ions from seawater collected near the BATS station during R/V Atlantic Explorer cruises AE2113 (July 2021) and AE2303 (January 2023) (Collaborative Research: Seasonal Variability in refractory dissolved organic carbon fluxes associated with primary marine aerosol emitted from the oceans) This dataset includes the concentrations of seven major inorganic ions determined in near surface (approximately 5 m) seawater samples collected from the Bermuda Atlantic Time-series Study (BATS) station during a summer cruise in 2021 (AE2113) and a winter cruise in 2023 (AE2303) aboard the R/V Atlantic Explorer. The major ions in each sample were quantified using a Dionex dual channel model ICS 6000 high-performance ion chromatograph (ICS-6000 DP). This dataset was generated and prepared by Dr. Lei Xue under the supervision of Dr. David Kieber at the State University of New York, College of Environmental Science and Forestry. These data were used to determine the enrichment factor of major ions in primary marine aerosol (PMA) samples and to calculate the enrichment factors of protein/peptides and carbohydrates in PMA samples relative to seawater and the associated seasonal variability. This work is part of a larger study to understand the seasonal variability in the fraction of refractory organic carbon in primary marine aerosol at the BATS station.\n\ncdm_data_type = Other\nVARIABLES:\nCruise_ID (unitless)\ntime (Iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nCTD_filename (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nStation (unitless)\nCast (unitless)\nCTD_Bottle (unitless)\nTemperature (degree Celsius)\ndepth (Sampling_depth, m)\nChloride_Ion (Part per thousand (ppt))\nBromide_Ion (Part per thousand (ppt))\nSulfate_Ion (Part per thousand (ppt))\nSodium_Ion (Part per thousand (ppt))\nPotassium_Ion (Part per thousand (ppt))\nMagnesium_Ion (Part per thousand (ppt))\nCalcium_Ion (Part per thousand (ppt))\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_930111_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_930111_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_930111_v1/index.htmlTable https://www.bco-dmo.org/dataset/930111 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_930111_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_930111_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_930111_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_908026_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_908026_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_908026_v1/ public [Reef seawater biogeochemistry from the Jardines de la Reina reef-system] - Reef seawater biogeochemistry data from samples collected in the Jardines de la Reina reef-system, Cuba in November of 2017 (Signature exometabolomes of Caribbean corals and influences on reef picoplankton) Reef depth and reef surface seawater samples were collected from reefs in Jardines de la Reina and subjected to targeted and untargeted liquid chromatography mass spectrometry (LC-MS) methods in addition to a suite of biogeochemical measurements (inorganic and organic nutrient concentrations, microbial cell abundances, chlorophyll a concentrations, and physicochemical properties). \nRaw and .mzML data files from the LC-MS methods are located at MetaboLights database, using accession number MTBLS1820. The link is: https://www.ebi.ac.uk/metabolights/MTBLS1820/.\n\nThese data were published in Weber et al. (2020).\n\ncdm_data_type = Other\nVARIABLES:\nreef (unitless)\nsite (unitless)\ndate (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nbiome (unitless)\nsampling_depth (unitless)\ngrouping (unitless)\nDOC (micro molar (uM))\nDN (micro molar (uM))\nTOC (micro molar (uM))\nTN (micro molar (uM))\nPro (cells per mL)\nSyn (cells per mL)\nPico (cells per mL)\nHbact (cells per mL)\nTotalcells (cells per mL)\nPO4 (micro molar (uM))\nSI (micro molar (uM))\n... (11 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_908026_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_908026_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_908026_v1/index.htmlTable https://www.bco-dmo.org/dataset/908026 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_908026_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_908026_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_908026_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_764754 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_764754.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_764754/ public [sample_information] - Sampling locations and ancillary data for bulk chemical and molecular characterization of organic carriers and their partition coefficients with radionuclide marine tracers. (Biopolymers as carrier phases for selected natural radionuclides (of Th, Pa, Pb, Po, Be) in diatoms and coccolithophores) To study the binding mechanisms of radionuclides to organic moieties in colloidal organic matter (COM),marine colloids (1 kDa\\u20130.2 \\u03bcm) were isolated by cross-flow ultrafiltration from seawater of the west Pacific Ocean and the northern Gulf of Mexico. For the same purpose, exopolymeric substances (EPS) produced by laboratory cultured diatoms were collected as well. In our study areas, colloidal organic carbon (COC) concentrations ranged from 6.5 to 202 \\u03bcg-C/L in the Pacific Ocean, and were 808 \\u03bcg-C/L in the Gulf of Mexico. The COM compositions (organic carbon, organic nitrogen, proteins, total hydrolysable amino acids, total polysaccharides, uronic acids, hydroxamate siderophores, hydroquinone) were quantified to examine the relationships between partition coefficients (Kc) of five different radionuclides, 234Th, 233Pa, 210Pb, 210Po and 7Be, and concentration ratios to COC of individual chelating biomolecules that could potentially act as a chelating moiety. The range of partition coefficients (Kc, reported as logKc) of radionuclides between water and the different colloidal materials was 5.12 to 5.85 for 234Th, 5.19 to 6.01 for 233Pa, 4.21 to 4.85 for 210Pb, 4.87 to 5.68 for 210Po, and 4.49 to 4.92 for 7Be, similar to values previously reported for lab and field determinations under different particle concentrations. While any relationship obtained between Kc and abundance of specific moieties could not be taken as proving the existence of colloidal organic binding ligands for the different radionuclides, it could suggest possible organic moieties involved in the scavenging of these natural radionuclides. Together with results from isoelectric focusing of radiolabeled COM, we conclude that binding to different biomolecules is nuclide-specific, with colloidal hydroxamate siderophoric moieties being important for the binding of Th and Pa radionuclides. Hydroquinones/ quinone (HQ/Q) facilitated redox and chelation reactions seem to be involved in the binding of Pa and Be. However, the actual mechanisms are not clear. Individual amino acids, proteins, total polysaccharides and uronic acids did not yield significant relationships with logKc values of the different radionuclides. Nonetheless, our results provide new insights into the relative importance of different potential ligand moieties in COM in the binding and possible scavenging of specific radionuclides in the ocean.\n\ncdm_data_type = Other\nVARIABLES:\nSample_ID (unitless)\nCruise (unitless)\n... (9 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_764754_fgdc.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_764754/index.htmlTable https://www.bco-dmo.org/dataset/764754 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_764754.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_764754&showErrors=false&email= BCO-DMO bcodmo_dataset_764754
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_931936_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_931936_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_931936_v1/ public [Winam Gulf Metagenomic Time Series] - Metagenomic Time Series of Winam Gulf, Lake Victoria from 2022-2023 (ASI Lake Victoria project) (IRES Track II: Advanced studies institute on water quality and harmful algal blooms in Lake Victoria) Compared to the other \"Great Lakes\" (Laurentian Great Lakes of North America and Lake Baikal of Russia) the African Great Lakes have remained widely unstudied. This serves as a substantial research gap within the limnological literature given the African Great Lakes contribute approximately 25% of all global, accessible freshwater.  Lake Victoria of the African Great Lakes is notable for its large size - serving as the second largest freshwater lake in the world by surface area. Yet, Lake Victoria is also known for the prolific year-long cyanobacterial blooms that occur throughout her waters such as the Winam Gulf. These blooms are fueled by intense agricultural and anthropogenic development much like other freshwater harmful algal blooms. However, unlike other freshwater blooms such as those occurring in Lake Erie and Lake Taihhu - these cyanobacterial blooms have remained widely uncharacterized (especially using molecular techniques). \n\nThe central study area is the Winam Gulf of Lake Victoria, Kenya. This is a relatively shallow, hypereutrophic system that has various rivers serving as nutrient loading sources (such as the Sondu River). This dataset also contains opportunistic samples collected from a variety of riverine systems and Lakes Simbi and Naivasha. \n\nHere, we present the biological, chemical and physical data corresponding to a two year metagenomic time series of the Winam Gulf, Lake Victoria. We further present the physiochemical data of eight outgroup samples including adjacent riverine systems and Lakes Simbi and Naivasha.\n\ncdm_data_type = Other\nVARIABLES:\nLibrary_ID (unitless)\nSite_Name (unitless)\nReplicate_id (unitless)\nSampleID (unitless)\nStudyID (unitless)\nSample_type (unitless)\nLake_or_river (unitless)\nlatitude (degrees_north)\n... (40 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_931936_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_931936_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_931936_v1/index.htmlTable https://www.bco-dmo.org/dataset/931936 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_931936_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_931936_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_931936_v1

 
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