Attributes {
 s {
  station_id {
    String actual_range "MBAY_LT_7764sc_a_nc
MBAY_LT_7764sc_a_nc";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station ID";
  }
  feature_type_instance {
    String ioos_category "Identifier";
    String long_name "Identifier for each feature type instance";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 42.37743, 42.37743;
    String axis "Y";
    String ioos_category "Location";
    String long_name "sensor latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 42.377426;
    Float32 valid_min 42.377426;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -70.78206, -70.78206;
    String axis "X";
    String ioos_category "Location";
    String long_name "sensor longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max -70.78206;
    Float32 valid_min -70.78206;
  }
  crs {
    Int32 actual_range -2147483647, -2147483647;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Identifier";
    String long_name "http://www.opengis.net/def/crs/EPSG/0/4326";
    Float64 semi_major_axis 6378137.0;
  }
  platform {
    Int32 actual_range -2147483647, -2147483647;
    String definition "http://mmisw.org/ont/ioos/definition/stationID";
    String ioos_category "Identifier";
    String ioos_code "7764sc-a";
    String long_name "USGS-CMG time-series data from the Long-term observations in Massachusetts Bay; Site A-Boston Harbor project, mooring 776 and package 7764sc-a. Measurements of currents and other oceanographic properties were made to assess the impact of sewage discharge from the proposed outfall site.";
    String nodc_name "FIXED PLATFORM, MOORINGS";
    String short_name "USGS-CMG time-series data: MBAY_LT - 776 - 7764sc-a";
    String type "fixed";
  }
  time {
    UInt32 _ChunkSizes 1000;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.1079733e+9, 1.11642158e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "time of measurement";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  z {
    Float32 actual_range -23.61, -23.61;
    String axis "Z";
    String FillValue "-9999.900390625";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "z of the sensor relative to the water surface";
    String positive "up";
    String standard_name "height";
    String units "m";
    Float32 valid_max -23.61;
    Float32 valid_min -23.61;
  }
  ATTN_55 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.4399188, 4.646635;
    String ancillary_variables "platform";
    String comment "ATTN = -(1/focal_length).* log(tran_4010./(.95*Vair))";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 55;
    String FillValue "1.0000000409184788e+35";
    Float64 focal_length 0.25;
    String FORTRAN_format "f7.5";
    String generic_name "attn";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Beam Attenuation";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "TR-397";
    String standard_name "volume_beam_attenuation_coefficient_of_radiative_flux_in_sea_water";
    String units "1/m";
    Float64 Vair 4.624;
  }
  C_51 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 2.785851, 3.076385;
    String ancillary_variables "platform";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 51;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.3";
    String generic_name "con";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Conductivity";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "SC-265";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
  }
  STH_71 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 22.998, 25.4321;
    String ancillary_variables "platform";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 71;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.2";
    String generic_name "potden";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Sigma-theta of sea water";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "SC-265";
    String standard_name "sea_water_sigma_theta";
    String units "kg/m^3";
  }
  S_40 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 29.3148, 31.8434;
    String ancillary_variables "platform";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 40;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.2";
    String generic_name "sal";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Salinity";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "SC-265";
    String standard_name "sea_water_practical_salinity";
    String units "1e-3";
  }
  T_28 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 1.652008, 7.328888;
    String ancillary_variables "platform";
    String comment "ITS-1990 Standard";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 28;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.2";
    String generic_name "temp";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Water Temperature";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "SC-265";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  tran_4010 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 1.3748, 3.9353;
    String ancillary_variables "platform";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4010;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.3";
    String generic_name "trans";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "TRANSMISSION (VOLTS) ";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 23.61;
    Float32 sensor_hab 11.33;
    String serial_number "TR-397";
    String units "Volts";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id";
    Int32 COMPOSITE 0;
    String contributor_name "B. Butman";
    String contributor_role "principalInvestigator";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String COORD_SYSTEM "GEOGRAPHICAL";
    String CREATION_DATE "10-Feb-2009 11:41:32";
    String creator_email "rsignell@usgs.gov";
    String creator_name "Rich Signell";
    String creator_phone "+1 (508) 548-8700";
    String creator_url "https://www.usgs.gov";
    String DATA_CMNT "Boston Buoy";
    String DATA_ORIGIN "USGS/WHFC";
    String DATA_TYPE "TIME";
    String date_created "2017-04-11T22:19:00Z";
    String date_issued "2017-04-11T22:19:00Z";
    String date_metadata_modified "2017-04-11T22:19:00Z";
    String date_modified "2017-04-11T22:19:00Z";
    String DELTA_T "290";
    Int32 DEPTH_CONST 0;
    Int32 DRIFTER 0;
    Float64 Easternmost_Easting -70.78206;
    String EXPERIMENT "Boston Longterm";
    String experiment_name "MBAY_LT";
    String featureType "TimeSeries";
    Int32 FILL_FLAG 0;
    String geospatial_bounds "POINT(-70.78205871582031 42.37742614746094)";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 42.37743;
    Float64 geospatial_lat_min 42.37743;
    Float64 geospatial_lat_resolution 0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.78206;
    Float64 geospatial_lon_min -70.78206;
    Float64 geospatial_lon_resolution 0;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "up";
    String geospatial_vertical_resolution "0";
    String geospatial_vertical_units "meters";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_long_name "http://www.opengis.net/def/crs/EPSG/0/4326";
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history "Fri Nov  1 20:20:34 2019: ncatted -a project,global,a,c,, CMG_Portal MBAY_LT/7764sc-a.nc
WATER_DEPTH related attributes corrected by fix_mooringdepth: Beam attenuation calculated by dolly.m.:Time fixed in dolly.m by increasing time 0.038889 hours from record 1 thru 29133.:Trimmed using truncate.m to select records in the range 2314 to 31446.  :Converted from ascii to EPIC by asc2epic.m
2017-04-11T22:19:00Z - pyaxiom - File created using pyaxiom
2024-12-12T12:44:25Z (local files)
2024-12-12T12:44:25Z https://cmgds.marine.usgs.gov/erddap/tabledap/MBAY_LT_7764sc_a_nc.das";
    String id "7764sc-a";
    String infoUrl "https://cmgds.marine.usgs.gov/ocean-time-series/";
    Float32 inst_depth 23.61;
    String inst_depth_note "inst_depth = (water_depth - inst_height); nominal depth below the surface";
    Float32 inst_height 11.33;
    String inst_height_note "height in meters above bottom: nominal for moorings";
    String INST_TYPE "SBE Seacat 16";
    String institution "Coastal and Marine Hazards and Resources Program, U.S. Geological Survey";
    String keywords "Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity";
    String keywords_vocabulary "GCMD Science Keywords";
    Float32 latitude 42.377426;
    String license "The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float32 longitude -70.78206;
    Float32 magnetic_variation -15.6;
    Float64 MOORING 776;
    String moortype "subsurface";
    String naming_authority "gov.usgs.cmgp";
    String ncei_template_version "NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0";
    String NCO "netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    String NCProperties "version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17";
    Float64 Northernmost_Northing 42.37743;
    String original_filename "7764sc-a.nc";
    String original_folder "MBAY_LT";
    Int32 POS_CONST 0;
    String project "U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal";
    String project_summary "Measurements of currents and other oceanographic properties were made to assess the impact of sewage discharge from the proposed outfall site.";
    String project_title "Long-term observations in Massachusetts Bay; Site A-Boston Harbor";
    String publisher_email "emontgomery@usgs.gov";
    String publisher_name "Ellyn Montgomery";
    String publisher_phone "+1 (508) 548-8700";
    String publisher_url "https://www.usgs.gov";
    String scipi "Brad Butman";
    String source "USGS";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.37743;
    String standard_name_vocabulary "CF-1.6";
    String start_time "09-Feb-2005 18:21:40";
    String stop_time "18-May-2005 13:06:20";
    String subsetVariables "station_id";
    String summary "MBAY_LT - 7764sc-a";
    String time_coverage_duration "PT8448280S";
    String time_coverage_end "2005-05-18T13:06:20Z";
    String time_coverage_start "2005-02-09T18:21:40Z";
    String title "MBAY_LT - 7764sc-a";
    String VAR_DESC "T:C:S:STH:tran:ATTN";
    Float32 WATER_DEPTH 34.94;
    String WATER_DEPTH_NOTE "determined from pressure measured on tripod (7763sc-a.nc); WD = sensor height above bottom + (average pressure/10)-10.13: (m) ";
    String WATER_MASS "?";
    Float64 Westernmost_Easting -70.78206;
  }
}