BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.986675.1
attribute NC_GLOBAL Easternmost_Easting double -148.0007
attribute NC_GLOBAL geospatial_lat_max double 57.46695
attribute NC_GLOBAL geospatial_lat_min double 53.74811
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -148.0007
attribute NC_GLOBAL geospatial_lon_min double -162.5897
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://osprey.bco-dmo.org/dataset/986675 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended\nfor legal use, since it may contain inaccuracies. Neither the data\nContributor, ERD, NOAA, nor the United States Government, nor any\nof their employees or contractors, makes any warranty, express or\nimplied, including warranties of merchantability and fitness for a\nparticular purpose, or assumes any legal liability for the accuracy,\ncompleteness, or usefulness, of this information.
attribute NC_GLOBAL Northernmost_Northing double 57.46695
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 53.74811
attribute NC_GLOBAL summary String This dataset provides geochemical data (major ions) for porewaters from sediment pushcores collected by DSV Alvin from the R/V Atlantis in June 2024 (AT50-24) at methane seeps in the Aleutian Trench, Alaska, USA. Also included is geochemical data (major ions) for water samples collected by Niskin bottle, both via DSV Alvin and via CTD cast from the ship. Cores were sectioned into 1-3 centimeter (cm) horizons, and porewater was extracted shipboard using an argon-pressurized squeezer. Porewater samples were frozen at sea and thawed just before analysis. We report concentrations of fluoride, acetate, formate, chloride, bromide, nitrate, sulfate, thiosulfate, and phosphate anions and lithium, sodium, potassium, magnesium, and calcium cations. Measurements were made using the Thermo Dual Dionex Integrion HPIC ion chromatography system with either a 250 millimeter (mm) Dionex IonPac AS19-4 micrometer (um) column (anions) or a 250 mm Dionex IonPac CS16-4um column (cations), in the Resnick Water and Environment Laboratory at the California Institute of Technology (Caltech).
attribute NC_GLOBAL title String [AT50-24 IC Data] - Geochemical data from sediment pushcore porewaters and water column Niskin samples collected from Gulf of Alaska, Alaska, USA, in June 2024 on R/V Atlantis cruise AT50-24 (Collaborative Research: Redefining the footprint of deep ocean methane seepage for benthic ecosystems)
attribute NC_GLOBAL Westernmost_Easting double -162.5897
variable serial String
attribute serial long_name String Serial
attribute serial units String unitless
variable Fluoride float
attribute Fluoride actual_range float 0.0276, 0.1589
attribute Fluoride long_name String Fluoride
attribute Fluoride units String millimolar (mM)
variable Acetate float
attribute Acetate actual_range float 0.0076, 0.1275
attribute Acetate long_name String Acetate
attribute Acetate units String millimolar (mM)
variable Formate float
attribute Formate actual_range float 8.0E-4, 0.1372
attribute Formate long_name String Formate
attribute Formate units String millimolar (mM)
variable Chloride float
attribute Chloride actual_range float 439.6922, 607.7923
attribute Chloride long_name String Chloride
attribute Chloride units String millimolar (mM)
variable Bromide float
attribute Bromide actual_range float 0.6488, 1.0263
attribute Bromide long_name String Bromide
attribute Bromide units String millimolar (mM)
variable Nitrate float
attribute Nitrate actual_range float 0.0348, 1.0708
attribute Nitrate long_name String Nitrate
attribute Nitrate units String millimolar (mM)
variable Sulfate float
attribute Sulfate actual_range float 0.0219, 39.56
attribute Sulfate long_name String Sulfate
attribute Sulfate units String millimolar (mM)
variable Thiosulfate float
attribute Thiosulfate actual_range float 0.0278, 2.3439
attribute Thiosulfate long_name String Thiosulfate
attribute Thiosulfate units String millimolar (mM)
variable Phosphate float
attribute Phosphate actual_range float 5.0E-4, 4.7163
attribute Phosphate long_name String Phosphate
attribute Phosphate units String millimolar (mM)
variable Lithium float
attribute Lithium actual_range float 0.0247, 0.1011
attribute Lithium long_name String Lithium
attribute Lithium units String millimolar (mM)
variable Sodium float
attribute Sodium actual_range float 374.9115, 517.9322
attribute Sodium long_name String Sodium
attribute Sodium units String millimolar (mM)
variable Ammonium float
attribute Ammonium actual_range float 0.0746, 2.5862
attribute Ammonium long_name String Ammonium
attribute Ammonium units String millimolar (mM)
variable Potassium float
attribute Potassium actual_range float 7.8042, 13.619
attribute Potassium long_name String Potassium
attribute Potassium units String millimolar (mM)
variable Magnesium float
attribute Magnesium actual_range float 38.9727, 59.8736
attribute Magnesium long_name String Magnesium
attribute Magnesium units String millimolar (mM)
variable Calcium float
attribute Calcium actual_range float 2.3214, 30.6067
attribute Calcium long_name String Calcium
attribute Calcium units String millimolar (mM)
variable perchlorate float
attribute perchlorate actual_range float 0.0953, 0.3417
attribute perchlorate long_name String Perchlorate
attribute perchlorate units String millimolar (mM)
variable pH float
attribute pH actual_range float 6.62, 8.53
attribute pH long_name String Ph
attribute pH units String unitless
variable Dive String
attribute Dive long_name String Dive
attribute Dive units String unitless
variable latitude float
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 53.74811, 57.46695
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude float
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -162.5897, -148.0007
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Long
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable Horizon String
attribute Horizon long_name String Horizon
attribute Horizon units String centimeters (cm)
variable Date_UTC String
attribute Date_UTC long_name String Date_utc
attribute Date_UTC units String unitless
variable Depth_m float
attribute Depth_m actual_range float 2009.71, 4898.49
attribute Depth_m long_name String Depth_m
attribute Depth_m units String unitless
variable Station String
attribute Station long_name String Station
attribute Station units String meters (m)
variable Site String
attribute Site long_name String Site
attribute Site units String unitless
variable Sample_Name String
attribute Sample_Name long_name String Sample_name
attribute Sample_Name units String unitless

 
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