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Dataset Title:  USGS-CMG time-series data: MBAY_LT - 516 - 5161v-a_d2 Subscribe RSS
Institution:  USGS Coastal and Marine Geology Program   (Dataset ID: 5161v-a_d2)
Range: longitude = -70.785 to -70.785°E, latitude = 42.377 to 42.377°N, altitude = -30.34146 to -30.34146m, time = 1998-02-10T15:01:52Z to 1998-06-17T13:39:22Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  feature_type_instance {
    String cf_role "timeseries_id";
    String ioos_category "Unknown";
    String long_name "Identifier for each feature type instance";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 42.377, 42.377;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "sensor latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 42.377;
    Float32 valid_min 42.377;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -70.785, -70.785;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "sensor longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max -70.785;
    Float32 valid_min -70.785;
  }
  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 "Unknown";
    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 "Unknown";
    String ioos_code "5161v-a_d2";
    String long_name "USGS-CMG time-series data from the Long-term observations in Massachusetts Bay; Site A-Boston Harbor project, mooring 516 and package 5161v-a_d2. 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 - 516 - 5161v-a_d2";
    String type "fixed";
  }
  time {
    UInt32 _ChunkSizes 1000;
    String _CoordinateAxisType "Time";
    Float64 actual_range 8.87122912e+8, 8.98090762e+8;
    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";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float32 _FillValue -9999.9;
    Float32 actual_range -30.34146, -30.34146;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String grid_mapping "crs";
    String ioos_category "Location";
    String long_name "z of the sensor relative to the water surface";
    String positive "up";
    String standard_name "altitude";
    String units "m";
    Float32 valid_max -30.341455;
    Float32 valid_min -30.341455;
  }
  CD_310 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range 0.05690023, 359.9938;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 359.9938;
    Float64 colorBarMinimum 0.056900226;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 310;
    String FORTRAN_format "f8.2 ";
    String generic_name "vdir ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Current direction";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String standard_name "direction_of_sea_water_velocity";
    String units "degree";
  }
  CS_300 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range 1.902766e-4, 0.2492028;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 0.24920279;
    Float64 colorBarMinimum 1.9027657e-4;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 300;
    String FORTRAN_format "f8.2 ";
    String generic_name "vspd ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Current speed";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String standard_name "sea_water_speed";
    String units "m/s";
  }
  Werr_1201 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -1.970649, 1.756883;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 1.7568828;
    Float64 colorBarMinimum -1.9706489;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1201;
    String FORTRAN_format "F8.1";
    String generic_name "w ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Error Velocity         ";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String units "cm/s ";
  }
  comp_1406 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range 151.9749, 154.8913;
    String ancillary_variables "platform";
    Float64 AtoD_factor 0.00122;
    Float64 cal_A0 -10.07;
    Float64 cal_A1 101.54;
    Float64 cal_A2 -0.89;
    Float64 cal_A3 0.13;
    Float64 colorBarMaximum 154.8913;
    Float64 colorBarMinimum 151.97488;
    String comment "corrected for magnetic variation";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1406;
    String FORTRAN_format "f10.3";
    String generic_name "comp";
    String grid_mapping "crs";
    String ioos_category "Unknown";
    String long_name "Instrument Heading (BASS pods)";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 28.4515;
    Float32 sensor_hab 2.29;
    String sensor_type "KVH Autocomp   ";
    String serial_number "0011";
    String standard_name "platform_orientation";
    String units "degree";
  }
  tiltx_4017 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -0.4770166, -0.05621933;
    String ancillary_variables "platform";
    Float64 AtoD_factor 0.00122;
    Float64 cal_A 44.5088;
    Float64 cal_B -8.42355;
    Float64 cal_C -5.87973;
    Float64 cal_D 0.837863;
    Float64 colorBarMaximum -0.05621933;
    Float64 colorBarMinimum -0.47701657;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4017;
    String FORTRAN_format "f10.3";
    String generic_name "tilt";
    String grid_mapping "crs";
    String ioos_category "Unknown";
    String long_name "TILT IN POD X-Z PLANE    ";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 28.4515;
    Float32 sensor_hab 2.29;
    String sensor_type "Spectron       ";
    String serial_number "129";
    String units "degrees";
    Float64 voltage_divider_factor 1.2;
  }
  tilty_4018 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -1.257707, -0.8927117;
    String ancillary_variables "platform";
    Float64 AtoD_factor 0.00122;
    Float64 cal_A -44.824;
    Float64 cal_B 7.69864;
    Float64 cal_C 6.39732;
    Float64 cal_D -0.909835;
    Float64 colorBarMaximum -0.8927117;
    Float64 colorBarMinimum -1.2577072;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4017;
    String FORTRAN_format "f10.3";
    String generic_name "tilt";
    String grid_mapping "crs";
    String ioos_category "Unknown";
    String long_name "TILT IN POD Y-Z PLANE    ";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 28.4515;
    Float32 sensor_hab 2.29;
    String sensor_type "Spectron       ";
    String serial_number "129";
    String units "degrees";
    Float64 voltage_divider_factor 1.2;
  }
  u_1205 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -0.183515, 0.2434444;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 0.24344444;
    Float64 colorBarMinimum -0.183515;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1205;
    String generic_name "u ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Eastward (u) velocity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String standard_name "eastward_sea_water_velocity";
    String units "m/s";
  }
  v_1206 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -0.1726697, 0.1072919;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 0.10729188;
    Float64 colorBarMinimum -0.1726697;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1206;
    String generic_name "v ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Northward (v) velocity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String standard_name "northward_sea_water_velocity";
    String units "m/s";
  }
  w_1204 {
    UInt32 _ChunkSizes 1000;
    Float32 _FillValue -9999.9;
    Float32 actual_range -0.02241487, 0.01620344;
    String ancillary_variables "platform";
    Float64 colorBarMaximum 0.016203444;
    Float64 colorBarMinimum -0.022414874;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1204;
    String generic_name "w ";
    String grid_mapping "crs";
    String interp_note "1 pad values interpolated.";
    String ioos_category "Unknown";
    String long_name "Upward (w) velocity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 30.3415;
    Float32 sensor_hab 0.4;
    String sensor_type "BASS           ";
    String serial_number "Sys #4";
    String standard_name "upward_sea_water_velocity";
    String units "m/s";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17";
    Float64 BASS_norm_factor 0.0293;
    Float64 BASS_zero_offset_A 13.14;
    Float64 BASS_zero_offset_B -21.26;
    Float64 BASS_zero_offset_C -13.85;
    Float64 BASS_zero_offset_D 8.45;
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "latitude, longitude, altitude, feature_type_instance";
    Float64 COMPOSITE 1.0;
    String contributor_name "B. Butman";
    String contributor_role "principalInvestigator";
    String Conventions "CF-1.6,ACDD-1.3, COARDS";
    String COORD_SYSTEM "GEOGRAPHICAL";
    String CREATION_DATE "31-Dec-2008 18:07:24";
    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 Approach BASS MIDAS";
    String DATA_ORIGIN "USGS WHFC Sed Trans Grp";
    String DATA_TYPE "TIME";
    String date_created "2017-04-11T22:13:00Z";
    String date_issued "2017-04-11T22:13:00Z";
    String date_metadata_modified "2017-04-11T22:13:00Z";
    String date_modified "2017-04-11T22:13:00Z";
    String DELTA_T "225";
    Int32 DEPTH_CONST 0;
    String DESCRIPT "Boston Buoy B BASS MIDAS";
    Int32 DRIFTER 0;
    Float64 Easternmost_Easting -70.785;
    String EXPERIMENT "Mass Bay Longterm";
    String featureType "TimeSeries";
    Float64 FILL_FLAG 0.0;
    String geospatial_bounds "POINT(-70.78500366210938 42.37699890136719)";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 42.377;
    Float64 geospatial_lat_min 42.377;
    Float64 geospatial_lat_resolution 0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.785;
    Float64 geospatial_lon_min -70.785;
    Float64 geospatial_lon_resolution 0;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max -30.34146;
    Float64 geospatial_vertical_min -30.34146;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_resolution "0";
    String geospatial_vertical_units "m";
    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 20:19:23 2019: ncatted -a project,global,a,c,, CMG_Portal MBAY_LT/5161v-a_d2.nc
WATER_DEPTH related attributes corrected by adj_tripod_depth: 6 pad values replaced by linear interpolations using EPIC_interp.m :Concatenation of files 5161Av-e_d2.nc through 5161Fv-trm_d2.nc ;Variables u_1205, v_1206, CD_310, CS_300, w_1204, Werr_1201,  edited using rangedit.m to select Werr_1201 in the range -5 to 5.  :Trimmed using truncate.m to select records in the range 397 to 12000.  :Calibrated and rotated by BASS2pre.m, using BASSuvw  :Converted to netCDF by MIDAS.EXE v2.00
2017-04-11T22:13:00Z - pyaxiom - File created using pyaxiom
2024-05-28T05:29:01Z (local files)
2024-05-28T05:29:01Z https://geoport.usgs.esipfed.org/tabledap/5161v-a_d2.das";
    String id "5161v-a_d2";
    String infoUrl "https://stellwagen.er.usgs.gov/";
    String INST_TYPE "MIDAS";
    String institution "USGS Coastal and Marine Geology Program";
    String instrument_number "MIDAS4";
    String keywords "CD_310, comp_1406, crs, CS_300, feature_type_instance, latitude, longitude, platform, tiltx_4017, tilty_4018, time, u_1205, v_1206, w_1204, Werr_1201, z";
    String keywords_vocabulary "GCMD Science Keywords";
    Float64 latitude 42.37697166654799;
    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.";
    Float64 longitude -70.78470333337783;
    Float64 magnetic_variation -16.0;
    Float64 MOORING 516;
    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)";
    Float64 Northernmost_Northing 42.377;
    String original_filename "5161v-a_d2.nc";
    String original_folder "MBAY_LT";
    Float64 pod_misalignment_angle 0.0;
    Int32 POS_CONST 0;
    String PROJECT "MWRA";
    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 source "USGS";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.377;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String start_time "10-Feb-1998 15:01:52";
    String stop_time "17-Jun-1998 13:39:22";
    String subsetVariables "latitude, longitude, altitude, feature_type_instance";
    String summary "USGS-CMG time-series data from the Long-term observations in Massachusetts Bay; Site A-Boston Harbor project, mooring 516 and package 5161v-a_d2. Measurements of currents and other oceanographic properties were made to assess the impact of sewage discharge from the proposed outfall site.";
    String time_coverage_duration "PT10967850S";
    String time_coverage_end "1998-06-17T13:39:22Z";
    String time_coverage_resolution "PT225S";
    String time_coverage_start "1998-02-10T15:01:52Z";
    String title "USGS-CMG time-series data: MBAY_LT - 516 - 5161v-a_d2";
    String VAR_DESC "u:v:CD:CS:w:Werr:comp:tiltx:tilty";
    String VAR_FILL "NaN";
    Float32 WATER_DEPTH 30.741455;
    String WATER_DEPTH_NOTE "water depth computed using mean pressure from 5161tcp-a1h.nc - atmosphere (1013.3): (m) ";
    String WATER_MASS "?";
    Float64 Westernmost_Easting -70.785;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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