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Dataset Title:  MA Buoy Data   RSS
Institution:  MassDEP   (Dataset ID: ma_buoy_data_a6c9_12eb_1ec5)
Range: longitude = -71.21522 to -71.18728°E, latitude = 41.7008 to 41.701527°N, depth = 3.347 to 5.881m, time = 2017-05-26T10:30:00Z to 2018-11-09T11:30:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form
 
Graph Type:  ?
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Y Axis: 
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Constraints ? Optional
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Constraint #2 ?
       
       
       
       
       
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")
 
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   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   
 
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[The graph you specified. Please be patient.]

 

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4957946e+9, 1.541763e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  timezone {
    String long_name "Timezone";
    String units "timezone";
  }
  station_name {
    String long_name "Station Name";
  }
  station_longname {
    String long_name "Station Long Name";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 41.7008, 41.701525000000004;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -71.21521666666666, -71.187275;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  pHQualifiersBottom {
    String long_name "pHQualifiers Bottom";
    String units "data_qualifier";
  }
  pHQualifiersSurface {
    String long_name "pHQualifiers Surface";
    String units "data_qualifier";
  }
  PhycoerythrinBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 11.01;
    String long_name "Phycoerythrin Bottom";
    String units "RFU";
  }
  PhycoerythrinSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.16, 16.19;
    String long_name "Phycoerythrin Surface";
    String units "RFU";
  }
  pHBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 7.04, 8.26;
    String long_name "P HBottom";
    String units "SU";
  }
  pHSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 7.41, 9.34;
    String long_name "P HSurface";
    String units "SU";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 3.347, 5.881;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String source_name "DepthBottom";
    String standard_name "depth";
    String units "m";
  }
  DepthSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.37, 1.059;
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String long_name "Depth";
    String standard_name "depth";
    String units "m";
  }
  WaterTempQualifiersBottom {
    String long_name "Water Temp Qualifiers Bottom";
    String units "data_qualifier";
  }
  WaterTempQualifiersSurface {
    String long_name "Water Temp Qualifiers Surface";
    String units "data_qualifier";
  }
  DepthQualifiersBottom {
    String long_name "Depth";
    String standard_name "depth";
    String units "data_qualifier";
  }
  DepthQualifiersSurface {
    String long_name "Depth";
    String standard_name "depth";
    String units "data_qualifier";
  }
  SpCondBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 34.29, 47.65;
    String long_name "Sp Cond Bottom";
    String units "mS cm-1";
  }
  SpCondSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 21.71, 47.23;
    String long_name "Sp Cond Surface";
    String units "mS cm-1";
  }
  SalinityQualifiersBottom {
    String long_name "Salinity Qualifiers Bottom";
    String units "data_qualifier";
  }
  SalinityQualifiersSurface {
    String long_name "Salinity Qualifiers Surface";
    String units "data_qualifier";
  }
  O2QualifiersBottom {
    String long_name "O2 Qualifiers Bottom";
    String units "data_qualifier";
  }
  O2QualifiersSurface {
    String long_name "O2 Qualifiers Surface";
    String units "data_qualifier";
  }
  O2PercentBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 3.7, 163.4;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String long_name "O2 Percent Bottom";
    String units "per cent";
  }
  O2PercentSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 50.1, 214.5;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String long_name "O2 Percent Surface";
    String units "per cent";
  }
  SpCondQualifiersBottom {
    String long_name "Sp Cond Qualifiers Bottom";
    String units "data_qualifier";
  }
  SpCondQualifiersSurface {
    String long_name "Sp Cond Qualifiers Surface";
    String units "data_qualifier";
  }
  ChlorophyllQualifiersBottom {
    String long_name "Chlorophyll Qualifiers Bottom";
    String units "data_qualifier";
  }
  ChlorophyllQualifiersSurface {
    String long_name "Chlorophyll Qualifiers Surface";
    String units "data_qualifier";
  }
  SalinityBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 21.48, 31.09;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  SalinitySurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 13.08, 30.67;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  PhycoerythrinQualifiersBottom {
    String long_name "Phycoerythrin Qualifiers Bottom";
    String units "data_qualifier";
  }
  PhycoerythrinQualifiersSurface {
    String long_name "Phycoerythrin Qualifiers Surface";
    String units "data_qualifier";
  }
  O2PercentQualifiersBottom {
    String long_name "O2 Percent Qualifiers Bottom";
    String units "data_qualifier";
  }
  O2PercentQualifiersSurface {
    String long_name "O2 Percent Qualifiers Surface";
    String units "data_qualifier";
  }
  ChlorophyllBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 88.38;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String long_name "Concentration Of Chlorophyll In Sea Water";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "RFU";
  }
  ChlorophyllSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 53.0;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String long_name "Concentration Of Chlorophyll In Sea Water";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "RFU";
  }
  WaterTempBottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 10.611, 28.065;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String long_name "Sea Water Temperature";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  WaterTempSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 9.966, 29.655;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String long_name "Sea Water Temperature";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  O2Bottom {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.27, 11.95;
    String long_name "O2 Bottom";
    String units "mg L-1";
  }
  O2Surface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 3.51, 15.27;
    String long_name "O2 Surface";
    String units "mg L-1";
  }
  NitrateNQualifiersSurface {
    String long_name "Nitrate NQualifiers Surface";
    String units "data_qualifier";
  }
  NitrateNSurface {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 0.437;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String long_name "Mole Concentration Of Nitrate In Sea Water";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "mg L-1";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String data_qualifiers 
"##		Censored data (i.e., data that has been discarded as unusable. Check qualifiers for explanation).
          **		Missing data (i.e., data that should have been reported, but are missing for some reason, e.g., probe malfunction, probe not used, out-of-water).
          --		No data (i.e., data not taken/not required/not calibrated for/otherwise not available).
          c		Data value greater than the highest calibration standard used for pre-calibration, or data value outside the range for the calibration standards used.
          i		Inaccurate probe readings (based on field and/or lab QC data, wiper issue, etc.).
          m		Field method not followed.
          r		Data may not be representative due to circumstances and/or conditions at the time of sampling (e.g., out-of-water, side channel, backwater, etc.).
          u		Highly unstable readings between 60 minute readings, due to non-representative conditions, highly-variable water quality conditions, etc.
          z<0.x		Value rounded to zero, originially listed as \"<0.x\".";
    Float64 Easternmost_Easting -71.187275;
    String featureType "Point";
    Float64 geospatial_lat_max 41.701525000000004;
    Float64 geospatial_lat_min 41.7008;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -71.187275;
    Float64 geospatial_lon_min -71.21521666666666;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 5.881;
    Float64 geospatial_vertical_min 3.347;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-04-28T09:18:18Z (local files)
2025-04-28T09:18:18Z https://pricaimcit.services.brown.edu/tabledap/ma_buoy_data_a6c9_12eb_1ec5.das";
    String infoUrl "https://www.mass.gov/info-details/mount-hope-bay-marine-buoy-continuous-probe-data";
    String institution "MassDEP";
    String keywords "bottom, buoy, chemistry, chlorophyll, ChlorophyllBottom, ChlorophyllQualifiersBottom, ChlorophyllQualifiersSurface, ChlorophyllSurface, concentration, concentration_of_chlorophyll_in_sea_water, cond, data, density, depth, DepthQualifiersBottom, DepthQualifiersSurface, DepthSurface, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity, hbottom, hqualifiers, hsurface, latitude, longitude, mole, mole_concentration_of_nitrate_in_sea_water, n02, name, nitrate, NitrateNQualifiersSurface, NitrateNSurface, no3, nqualifiers, O2, O2Bottom, O2PercentBottom, O2PercentQualifiersBottom, O2PercentQualifiersSurface, O2PercentSurface, O2QualifiersBottom, O2QualifiersSurface, O2Surface, ocean, oceans, oxygen, percent, pHBottom, pHQualifiersBottom, pHQualifiersSurface, pHSurface, phycoerythrin, PhycoerythrinBottom, PhycoerythrinQualifiersBottom, PhycoerythrinQualifiersSurface, PhycoerythrinSurface, practical, qualifiers, salinity, SalinityBottom, SalinityQualifiersBottom, SalinityQualifiersSurface, SalinitySurface, science, sea, sea_water_practical_salinity, sea_water_temperature, seawater, SpCondBottom, SpCondQualifiersBottom, SpCondQualifiersSurface, SpCondSurface, station, station_name, surface, temperature, time, timezone, water, WaterTempBottom, WaterTempQualifiersBottom, WaterTempQualifiersSurface, WaterTempSurface";
    String keywords_vocabulary "GCMD Science Keywords";
    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 Northernmost_Northing 41.701525000000004;
    String publisher_name "Rhode Island Data Discovery";
    String publisher_url "riddc.brown.edu";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 41.7008;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "station_name, latitude, longitude";
    String summary "In partnership with the Rhode Island Department of Environmental Management (RIDEM), the University of Rhode Island Graduate School of Oceanography (URI-GSO), and EPA's Southeast New England Program (SNEP) for Coastal Watershed Restoration, MassDEP operates two fixed-location marine water quality monitoring buoys in Mount Hope Bay. The seasonal (May-November) monitoring is part of the Narragansett Bay Fixed-Site Monitoring Network (NBFSMN) and provides data in the Massachusetts portion of Mount Hope Bay, a sub-embayment of upper Narragansett Bay.";
    String time_coverage_end "2018-11-09T11:30:00Z";
    String time_coverage_start "2017-05-26T10:30:00Z";
    String title "MA Buoy Data";
    Float64 Westernmost_Easting -71.21521666666666;
  }
}

 

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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