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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String latitude, longitude, station_name
attribute NC_GLOBAL citation String Maria Mitchell Association
attribute NC_GLOBAL Conventions String CF-1.10, ACDD-1.3, IOOS-1.2, COARDS
attribute NC_GLOBAL creator_country String United States
attribute NC_GLOBAL creator_email String sherman at bennington.edu
attribute NC_GLOBAL creator_name String Maria Mitchell Association
attribute NC_GLOBAL creator_type String organization
attribute NC_GLOBAL creator_url String https://www.mariamitchell.org/ (external link)
attribute NC_GLOBAL Easternmost_Easting double -70.084979
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL geospatial_lat_max double 41.290746
attribute NC_GLOBAL geospatial_lat_min double 41.290746
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -70.084979
attribute NC_GLOBAL geospatial_lon_min double -70.084979
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 0.925
attribute NC_GLOBAL geospatial_vertical_min double -999.9
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL gts_ingest String true
attribute NC_GLOBAL infoUrl String https://cloud.xylem.com/xcloud/dataexportapidocs/public/docs/swagger-ui/index.html#/ (external link)
attribute NC_GLOBAL institution String Maria Mitchell Association
attribute NC_GLOBAL ioos_regional_association String NERACOOS
attribute NC_GLOBAL ioos_regional_association_url String https://neracoos.org/ (external link)
attribute NC_GLOBAL keywords String chlorophyll, dissolved oxygen, mma, nantucket, nitrate, ph, salinity, temperature, water quality, xylem
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended\n            for legal use, since it may contain inaccuracies. Neither the data\n            Contributor, ERD, NOAA, nor the United States Government, nor any\n            of their employees or contractors, makes any warranty, express or\n            implied, including warranties of merchantability and fitness for a\n            particular purpose, or assumes any legal liability for the accuracy,\n            completeness, or usefulness, of this information.\"
attribute NC_GLOBAL Northernmost_Northing double 41.290746
attribute NC_GLOBAL publisher_email String info at neracoos.org
attribute NC_GLOBAL publisher_name String Northeastern Regional Association of Coastal and Ocean Observing Systems (NERACOOS)
attribute NC_GLOBAL publisher_phone String (603) 319 1785
attribute NC_GLOBAL publisher_url String http://www.neracoos.org/ (external link)
attribute NC_GLOBAL sourceUrl String Data are served via Xylem HydroSphere (Xylem Cloud) Data Export API; access requires authentication.
attribute NC_GLOBAL Southernmost_Northing double 41.290746
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL subsetVariables String longitude, latitude
attribute NC_GLOBAL summary String High-frequency water quality measurements from a moored buoy in Nantucket Harbor, including temperature, dissolved oxygen, salinity, pH, chlorophyll, and nitrate (reported as both µM and mg N/L). Data are collected at approximately 15-minute intervals to characterize environmental conditions and organism exposure.
attribute NC_GLOBAL time_coverage_end String 2025-10-20T23:45:00Z
attribute NC_GLOBAL time_coverage_start String 2025-08-01T00:00:26Z
attribute NC_GLOBAL title String Maria Mitchell Association Nantucket Harbor Buoy
attribute NC_GLOBAL Westernmost_Easting double -70.084979
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.754006426E9, 1.7610039E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
variable station_name String
attribute station_name cf_role String timeseries_id
attribute station_name ioos_category String Identifier
attribute station_name long_name String Station Name
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double 41.290746, 41.290746
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
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 double
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -70.084979, -70.084979
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable dark_spectrum_average double
attribute dark_spectrum_average actual_range double -999.9, 844.0
attribute dark_spectrum_average ioos_category String Other
attribute dark_spectrum_average long_name String Dark Spectrum Average
variable light_spectrum_average double
attribute light_spectrum_average actual_range double -999.9, 17521.0
attribute light_spectrum_average ioos_category String Other
attribute light_spectrum_average long_name String Light Spectrum Average
variable nitrogen double
attribute nitrogen actual_range double -999.9, 0.105
attribute nitrogen ioos_category String Nutrients
attribute nitrogen long_name String Nitrogen
attribute nitrogen units String mgN/L
variable nitrate double
attribute nitrate actual_range double -999.9, 7.53
attribute nitrate ioos_category String Nutrients
attribute nitrate long_name String Nitrate
attribute nitrate standard_name String mole_concentration_of_nitrate_in_sea_water
attribute nitrate units String uM
variable chlorophyll_rfu double
attribute chlorophyll_rfu actual_range double -999.9, 59.94
attribute chlorophyll_rfu ioos_category String Chlorophyll
attribute chlorophyll_rfu long_name String Chlorophyll
attribute chlorophyll_rfu units String RFU
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range double -999.9, 0.925
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable chlorophyll_ugL double
attribute chlorophyll_ugL actual_range double -999.9, 239.57
attribute chlorophyll_ugL ioos_category String Chlorophyll
attribute chlorophyll_ugL long_name String Chlorophyll
attribute chlorophyll_ugL standard_name String concentration_of_chlorophyll_in_sea_water
attribute chlorophyll_ugL units String ug/L
variable pH double
attribute pH actual_range double -999.9, 8.19
attribute pH ioos_category String Other
attribute pH long_name String pH
attribute pH standard_name String sea_water_ph_reported_on_total_scale
variable dissolved_oxygen_percent double
attribute dissolved_oxygen_percent actual_range double -999.9, 130.86
attribute dissolved_oxygen_percent ioos_category String Dissolved Oxygen
attribute dissolved_oxygen_percent long_name String Dissolved Oxygen
attribute dissolved_oxygen_percent standard_name String fractional_saturation_of_oxygen_in_sea_water
attribute dissolved_oxygen_percent units String percent
variable dissolved_oxygen_mgL double
attribute dissolved_oxygen_mgL actual_range double -999.9, 9.63
attribute dissolved_oxygen_mgL ioos_category String Dissolved Oxygen
attribute dissolved_oxygen_mgL long_name String Dissolved Oxygen
attribute dissolved_oxygen_mgL standard_name String mass_concentration_of_oxygen_in_sea_water
attribute dissolved_oxygen_mgL units String mg/L
variable specific_conductivity double
attribute specific_conductivity actual_range double -999.9, 49721.7
attribute specific_conductivity ioos_category String Other
attribute specific_conductivity long_name String Specific Conductivity
attribute specific_conductivity standard_name String sea_water_electrical_conductivity
attribute specific_conductivity units String uS/cm
variable phycoerythrin_ugL double
attribute phycoerythrin_ugL actual_range double -999.9, 302.06
attribute phycoerythrin_ugL ioos_category String Other
attribute phycoerythrin_ugL long_name String Phycoerythrin
attribute phycoerythrin_ugL units String ug/L
variable phycoerythrin_rfu double
attribute phycoerythrin_rfu actual_range double -999.9, 108.46
attribute phycoerythrin_rfu ioos_category String Other
attribute phycoerythrin_rfu long_name String Phycoerythrin
attribute phycoerythrin_rfu units String RFU
variable temperature double
attribute temperature actual_range double -999.9, 25.377
attribute temperature ioos_category String Temperature
attribute temperature long_name String Temperature
attribute temperature standard_name String sea_water_temperature
attribute temperature units String degree_C
variable pH_mV double
attribute pH_mV actual_range double -999.9, 0.0
attribute pH_mV ioos_category String Other
attribute pH_mV long_name String pH
attribute pH_mV units String mV
variable salinity double
attribute salinity actual_range double -999.9, 32.58
attribute salinity ioos_category String Salinity
attribute salinity long_name String Salinity
attribute salinity standard_name String sea_water_practical_salinity
attribute salinity units String PSU

 
ERDDAP, Version 2.30.0
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