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Dataset Title:  Dry Tortugas - Visual Census - OBIS_Measure_v3.4 - 2008 Subscribe RSS
Institution:  Marine Biodiversity Observation Network   (Dataset ID: dt_OBIS_Measure_v3_4_2008)
Range: longitude = -83.103386 to -82.7721°E, latitude = 24.546967 to 24.734818°N, time = 2008-05-12T12:00:00Z to 2008-06-08T12:00:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Subset | Data Access Form
 
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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 {
  Samples {
    Int32 actual_range 0, 2663504;
    String ioos_category "Unknown";
    String long_name "Samples";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.2105936e+9, 1.2129264e+9;
    String axis "T";
    String calendar "Gregorian";
    String comment "Measurements were performed between April and September sometimes weather perminting into November, but no specific date was given.";
    Float64 FillValue -99.99;
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 24.5469667, 24.7348167;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "The position of the observation north or south of the equator in decimal degrees.";
    Float64 FillValue -99.99;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 24.7348167;
    Float64 valid_min 24.5469667;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -83.1033833, -82.7721;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "The position of the observation east or west of the prime meridian in decimal degrees.";
    Float64 FillValue -99.99;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max -82.7721;
    Float64 valid_min -83.1033833;
  }
  modified {
    String description "The most recent date-time on which the resource was changed using the standard ISO 8601:2004(E).";
    String ioos_category "Biology";
    String long_name "Last date-time change";
    String standard_name "last_date_time_change";
  }
  eventID {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String description "An identifier for the set of information associated with an Event. May be a global unique identifier or an identifier specific to the data set.";
    String ioos_category "Biology";
    String long_name "Event Identification Number (Year_subRegionID_habitatID_SiteCode_siteID_station#)";
    String standard_name "data_set_id";
  }
  occurrenceID {
    String description "An identifier for the Occurrence (as opposed to a particular digital record of the occurrence). In the absence of a persistent global unique identifier, construct one from a combination of identifiers in the record that will most closely make the occurrenceID globally unique.";
    String ioos_category "Biology";
    String long_name "occurencdID (Year_subRegionID_habitatID_SiteCode_siteID_station#_scientificNameID";
    String standard_name "occurencdid";
  }
  measurementType {
    String description "The nature of the measurement, fact, characteristic, or assertion. Recommended best practice is to use a controlled vocabulary..";
    String ioos_category "Biology";
    String long_name "type of measurement";
    String standard_name "measurement_type";
  }
  measurementValue {
    Float64 actual_range -9.0, 4564.8;
    String description "The value of the measurement, fact, characteristic, or assertion.";
    String ioos_category "Biology";
    String long_name "measurement value";
    String standard_name "measurement_value";
  }
  measurementUnit {
    String description "The units associated with the measurementValue. Recommended best practice is to use the International System of Units (SI).";
    String ioos_category "Biology";
    String long_name "measurement unit";
    String standard_name "measurement_unit";
  }
  measurementDeterminedDate {
    String description "The date on which the measurementOrFact was made. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).";
    String ioos_category "Biology";
    String long_name " date of measurement";
    String standard_name "measurement_date";
  }
  measurementRemark {
    String description "The date on which the measurementOrFact was made. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).";
    String ioos_category "Biology";
    String long_name " remarks to measurement";
    String standard_name " remarks to measurement";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String comments "Variable description can also be found in: http://rs.tdwg.org/dwc/terms/index.htm";
    String Conventions "CF-1.6, ACDD-1.3, COARDS";
    String Country "USA";
    String creator_name "Marine Biodiversity Observation Network";
    String creator_url "http://gcoos4.tamu.edu:8080/erddap/info/index.html?page=1&itemsPerPage=1000";
    String date_created "2018-08-31T14:02:13Z";
    String date_last_modified "2018-08-31 14:02:13";
    Float64 Easternmost_Easting -82.7721;
    String featureType "Point";
    Float64 geospatial_lat_max 24.7348167;
    Float64 geospatial_lat_min 24.5469667;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -82.7721;
    Float64 geospatial_lon_min -83.1033833;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"https://doi.org/10.1016/j.fishres.2011.01.012
2019-12-09T20:07:27Z (local files)
2019-12-09T20:07:27Z http://gcoos4.tamu.edu:8080/tabledap/dt_OBIS_Measure_v3_4_2008.das";
    String id "Dry_Tortugas_Reef_Visual_Census";
    String infoUrl "http://gcoos4.tamu.edu:8080/erddap/info/index.html?page=1&itemsPerPage=1000";
    String institution "Marine Biodiversity Observation Network";
    String keywords "biodiversity, biology, census, change, data, data_set_id, date, date-time, dry, dry tortugas, event, eventID, fish sampling, florida keys, gulf of mexico, habitatid, identification, last_date_time_change, latitude, longitude, marine, measurement, measurement_date, measurement_type, measurement_unit, measurement_value, measurementDeterminedDate, measurementRemark, measurementType, measurementUnit, measurementValue, modified, network, number, observation, occurrenceID, occurrenceid, reef, remarks, remarks to measurement, samples, scientificnameid, set, sitecode, siteid, station, subregionid, time, tortugas, type, unit, value, visual, year";
    String license "Unrestricted use and distribution";
    String metadata_link "http://gcoos4.tamu.edu:8080/erddap/info/index.html?page=1&itemsPerPage=1000";
    String ncei_template_version "NCEI_NetCDF_Point_Template_v2.0";
    Float64 Northernmost_Northing 24.7348167;
    String originator_email "Jim.Bohnsack@noaa.gov";
    String originator_institution "NOAA Southeast Fischeries Science Center";
    String originator_name "James A. Bohnsack";
    String originator_phone "+1-305-361-4252";
    String originator_type "person";
    String originator_url "https://www.sefsc.noaa.gov/staff/jimbohnsack.htm";
    String pointOfContact_email "jeremiah.blondeau@noaa.gov";
    String pointOfContact_institution "Cooperative Institute for Marine and Atmospheric Studies";
    String pointOfContact_name "Jeremiah Blondeau";
    String pointOfContact_phone "+1-305-361-4249";
    String pointOfContact_role "Research Scientist/Data Manager";
    String pointOfContact_type "person";
    String processing_level "good";
    String processor_email "mstoessel@ocean.tamu.edu";
    String processor_institution "GCOOS at Texas A&M University, Dept. of Oceanography";
    String processor_name "Marion Stoessel";
    String processor_phone "+1-979-845-7662";
    String processor_role "Senior Research Associate/Data Manager";
    String processor_type "person";
    String processor_url "http://ocean.tamu.edu//people/researchpersonnel/stosselmarion";
    String project "                    Dry Tortugas Reef Visual Census2008";
    String publisher_email "baum@stommel.tamu.edu";
    String publisher_name "Steve Baum";
    String publisher_phone "+1-979-458-3274";
    String publisher_role "Research Scientist/Data Manager";
    String publisher_type "person";
    String publisher_url "http://ocean.tamu.edu//people/researchpersonnel/baumsteve";
    String references2 "When used, records should be cited as: South Florida Reef Visual Census; https://www.sefsc.noaa.gov/rvc_analysis20/samples/index";
    String sea_name "Gulf of Mexico";
    String source "https://doi.org/10.1016/j.fishres.2011.01.012";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 24.5469667;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "longitude,latitude,eventID,measurementType,measurementValue,measurementUnit";
    String summary "In 1998, the Florida Fish and Wildlife Conservation Commission's (FWC) Fisheries Independent Monitoring (FIM) program began a long-term monitoring effort of key reef fish populations in the Florida Keys National Marine Sanctuary. This effort was aimed at evaluating the relative abundance, size structure, and habitat utilization of specific reef fish species that are targeted by commercial and recreational fisheries.; Smith,S.G., et al. 2011,Multispecies survey design for assessing reef-fish stocks, spatially explicit management performance, and ecosystem condition. Fisheries Research 109(2011)25-41; Brandt,M.E., et. al. 2009,A Cooperative Multi-agency Reef Fish Monitoring Protocol for the Florida Keys Coral Reef Ecosystem. Retrieve from http://www.coris.noaa.gov/activities/fish_monitoring_protocol/";
    String time_coverage_end "2008-06-08T12:00:00Z";
    String time_coverage_start "2008-05-12T12:00:00Z";
    String title "Dry Tortugas - Visual Census - OBIS_Measure_v3.4 - 2008";
    Float64 Westernmost_Easting -83.1033833;
  }
}

 

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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