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Dataset Title:  Lake Macatawa Water Quality Parameters Subscribe RSS
Institution:  ODC Network   (Dataset ID: obs_668)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
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Y Axis Minimum:   Maximum:   
 
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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 {
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String calendar "gregorian";
    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";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  battery_voltage {
    String ioos_category "Unknown";
    String long_name "battery_voltage";
    String platform "platform";
    String units "V";
  }
  chlorophyll_fluorescence_1 {
    String ancillary_variables "chlorophyll_fluorescence_1_fixed_depth";
    String ioos_category "Unknown";
    String long_name "chlorophyll_fluorescence";
    String platform "platform";
    String units "RFU";
  }
  chlorophyll_fluorescence_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  chlorophyll_fluorescence_4_5 {
    String ancillary_variables "chlorophyll_fluorescence_4_5_fixed_depth";
    String ioos_category "Unknown";
    String long_name "chlorophyll_fluorescence";
    String platform "platform";
    String units "RFU";
  }
  chlorophyll_fluorescence_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  fluorescent_dissolved_organic_matter_1 {
    String ancillary_variables "fluorescent_dissolved_organic_matter_1_fixed_depth";
    String ioos_category "Unknown";
    String long_name "fluorescent_dissolved_organic_matter";
    String platform "platform";
    String units "RFU";
  }
  fluorescent_dissolved_organic_matter_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  fluorescent_dissolved_organic_matter_4_5 {
    String ancillary_variables "fluorescent_dissolved_organic_matter_4_5_fixed_depth";
    String ioos_category "Unknown";
    String long_name "fluorescent_dissolved_organic_matter";
    String platform "platform";
    String units "RFU";
  }
  fluorescent_dissolved_organic_matter_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  fractional_saturation_of_oxygen_in_sea_water_1 {
    String ancillary_variables "fractional_saturation_of_oxygen_in_sea_water_1_fixed_depth";
    String ioos_category "Dissolved O2";
    String platform "platform";
    String standard_name "fractional_saturation_of_oxygen_in_sea_water";
    String units "1";
  }
  fractional_saturation_of_oxygen_in_sea_water_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  fractional_saturation_of_oxygen_in_sea_water_4_5 {
    String ancillary_variables "fractional_saturation_of_oxygen_in_sea_water_4_5_fixed_depth";
    String ioos_category "Dissolved O2";
    String platform "platform";
    String standard_name "fractional_saturation_of_oxygen_in_sea_water";
    String units "1";
  }
  fractional_saturation_of_oxygen_in_sea_water_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  mass_concentration_of_chlorophyll_in_sea_water_1 {
    String ancillary_variables "mass_concentration_of_chlorophyll_in_sea_water_1_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "mass_concentration_of_chlorophyll_in_sea_water";
    String units "kg m-3";
  }
  mass_concentration_of_chlorophyll_in_sea_water_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  mass_concentration_of_chlorophyll_in_sea_water_4_5 {
    String ancillary_variables "mass_concentration_of_chlorophyll_in_sea_water_4_5_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "mass_concentration_of_chlorophyll_in_sea_water";
    String units "kg m-3";
  }
  mass_concentration_of_chlorophyll_in_sea_water_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  mass_concentration_of_oxygen_in_sea_water_1 {
    String ancillary_variables "mass_concentration_of_oxygen_in_sea_water_1_fixed_depth";
    String ioos_category "Dissolved O2";
    String platform "platform";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "kg m-3";
  }
  mass_concentration_of_oxygen_in_sea_water_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  mass_concentration_of_oxygen_in_sea_water_4_5 {
    String ancillary_variables "mass_concentration_of_oxygen_in_sea_water_4_5_fixed_depth";
    String ioos_category "Dissolved O2";
    String platform "platform";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "kg m-3";
  }
  mass_concentration_of_oxygen_in_sea_water_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  oxidation_reduction_potential_1 {
    String ancillary_variables "oxidation_reduction_potential_1_fixed_depth";
    String ioos_category "Unknown";
    String long_name "oxidation_reduction_potential";
    String platform "platform";
    String units "mV";
  }
  oxidation_reduction_potential_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  oxidation_reduction_potential_4_5 {
    String ancillary_variables "oxidation_reduction_potential_4_5_fixed_depth";
    String ioos_category "Unknown";
    String long_name "oxidation_reduction_potential";
    String platform "platform";
    String units "mV";
  }
  oxidation_reduction_potential_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  phycocyanin_concentration_1 {
    String ancillary_variables "phycocyanin_concentration_1_fixed_depth";
    String ioos_category "Unknown";
    String long_name "phycocyanin_concentration";
    String platform "platform";
    String units "ug L-1";
  }
  phycocyanin_concentration_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  phycocyanin_concentration_4_5 {
    String ancillary_variables "phycocyanin_concentration_4_5_fixed_depth";
    String ioos_category "Unknown";
    String long_name "phycocyanin_concentration";
    String platform "platform";
    String units "ug L-1";
  }
  phycocyanin_concentration_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  phycocyanin_fluorescence_1 {
    String ancillary_variables "phycocyanin_fluorescence_1_fixed_depth";
    String ioos_category "Unknown";
    String long_name "phycocyanin_fluorescence";
    String platform "platform";
    String units "RFU";
  }
  phycocyanin_fluorescence_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  phycocyanin_fluorescence_4_5 {
    String ancillary_variables "phycocyanin_fluorescence_4_5_fixed_depth";
    String ioos_category "Unknown";
    String long_name "phycocyanin_fluorescence";
    String platform "platform";
    String units "RFU";
  }
  phycocyanin_fluorescence_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_surface_temperature_1 {
    String ancillary_variables "sea_surface_temperature_1_gross_range_test sea_surface_temperature_1_spike_test sea_surface_temperature_1_rate_of_change_test sea_surface_temperature_1_flat_line_test sea_surface_temperature_1_aggregate sea_surface_temperature_1_fixed_depth";
    String ioos_category "Temperature";
    String platform "platform";
    String standard_name "sea_water_temperature";
    String units "K";
  }
  sea_surface_temperature_1_gross_range_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "gross_range_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_1_spike_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "spike_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_1_rate_of_change_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "rate_of_change_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_1_flat_line_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "flat_line_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_1_aggregate {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "aggregate_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_electrical_conductivity_1 {
    String ancillary_variables "sea_water_electrical_conductivity_1_fixed_depth";
    String ioos_category "Salinity";
    String platform "platform";
    String standard_name "sea_water_electrical_conductivity";
    String units "S m-1";
  }
  sea_water_electrical_conductivity_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_electrical_conductivity_4_5 {
    String ancillary_variables "sea_water_electrical_conductivity_4_5_fixed_depth";
    String ioos_category "Salinity";
    String platform "platform";
    String standard_name "sea_water_electrical_conductivity";
    String units "S m-1";
  }
  sea_water_electrical_conductivity_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_ph_reported_on_total_scale_1 {
    String ancillary_variables "sea_water_ph_reported_on_total_scale_1_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "sea_water_ph_reported_on_total_scale";
    String units "1";
  }
  sea_water_ph_reported_on_total_scale_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_ph_reported_on_total_scale_4_5 {
    String ancillary_variables "sea_water_ph_reported_on_total_scale_4_5_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "sea_water_ph_reported_on_total_scale";
    String units "1";
  }
  sea_water_ph_reported_on_total_scale_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_specific_conductivity_1 {
    String ancillary_variables "sea_water_specific_conductivity_1_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "sea_water_electrical_conductivity_at_reference_temperature";
    String units "Unknown";
  }
  sea_water_specific_conductivity_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_specific_conductivity_4_5 {
    String ancillary_variables "sea_water_specific_conductivity_4_5_fixed_depth";
    String ioos_category "Unknown";
    String platform "platform";
    String standard_name "sea_water_electrical_conductivity_at_reference_temperature";
    String units "Unknown";
  }
  sea_water_specific_conductivity_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_temperature_4_5 {
    String ancillary_variables "sea_water_temperature_4_5_gross_range_test sea_water_temperature_4_5_spike_test sea_water_temperature_4_5_rate_of_change_test sea_water_temperature_4_5_flat_line_test sea_water_temperature_4_5_aggregate sea_water_temperature_4_5_fixed_depth";
    String ioos_category "Temperature";
    String platform "platform";
    String standard_name "sea_water_temperature";
    String units "K";
  }
  sea_water_temperature_4_5_gross_range_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "gross_range_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_water_temperature_4_5_spike_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "spike_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_water_temperature_4_5_rate_of_change_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "rate_of_change_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_water_temperature_4_5_flat_line_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "flat_line_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_water_temperature_4_5_aggregate {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "aggregate_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_water_temperature_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_turbidity_1 {
    String ancillary_variables "sea_water_turbidity_1_fixed_depth";
    String ioos_category "Total Suspended Matter";
    String platform "platform";
    String standard_name "sea_water_turbidity";
    String units "1";
  }
  sea_water_turbidity_1_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_water_turbidity_4_5 {
    String ancillary_variables "sea_water_turbidity_4_5_fixed_depth";
    String ioos_category "Total Suspended Matter";
    String platform "platform";
    String standard_name "sea_water_turbidity";
    String units "1";
  }
  sea_water_turbidity_4_5_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  platform {
    String _Unsigned "false";
    String cf_role "timeseries_id";
    String ioos_category "Unknown";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "platform,longitude,latitude";
    String Conventions "COARDS,CF-1.7,IOOS-1.2,ACDD-1.3";
    String creator_country "USA";
    String creator_email "cole@outdoordiscovery.com";
    String creator_institution "ODC Network";
    String creator_name "ODC Network";
    String creator_sector "nonprofit";
    String creator_type "group";
    String creator_url "https://outdoordiscovery.org/";
    String featureType "TimeSeries";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String gts_ingest "false";
    String history 
"2026-09-14T22:07:55Z (source database)
2026-09-14T22:07:55Z https://seagull-erddap.glos.org/tabledap/obs_668.das";
    String id "obs_668";
    String infoUrl "https://outdoordiscovery.org/";
    String institution "ODC Network";
    String keywords "(fdom), at, Battery, battery, Chlorophyll, chlorophyll, concentration, Conductivity, conductivity, depth, Dissolved, dissolved, electrical, fluorescence, Fluorescent, fluorescent, fractional, in, mass, matter, of, on, organic, Oxidation, oxidation, oxygen, pH, ph, Phycocyanin, phycocyanin, potential, reduction, reference, reported, saturation, scale, sea, Specific, temp, temperature, total, Turbidity, turbidity, voltage, Water, water";
    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, GLOS, 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.";
    String naming_authority "org.glos";
    String platform "moored_buoy";
    String platform_name "Lake Macatawa Monitoring Buoy";
    String platform_vocabulary "http://mmisw.org/ont/ioos/platform";
    String publisher_country "United States";
    String publisher_email "info@glos.org";
    String publisher_institution "GLOS";
    String publisher_url "https://glos.org";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v77";
    String summary "The Lake Macatawa Monitoring buoy is a NexSens XB-200 Data Buoy located in the narrows of Lake Macatawa. This equipment is part of a larger county-wide monitoring initiative that seeks to fill in data gaps so that land managers can make effective restoration decisions. Two sondes suspended beneath the buoy both measure temperature, conductivity, pH, dissolved oxygen, turbidity, phycocyanin, chlorophyll, and florescent dissolved organic matter at multiple depths.  This equipment is owned and operated by ODC Network, a nonprofit that strives to advance outdoor education and conservation in west Michigan.";
    String title "Lake Macatawa Water Quality Parameters";
  }
}

 

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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