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Dataset Title:  Scientific sampling event log from R/V Endeavor cruise EN524 along the
continental shelf of New England in 2013 (OA, Hypoxia and Warming project)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_3953)
Range: longitude = -71.4188 to -70.4825°E, latitude = 40.4292 to 41.4922°N, depth = 71.0 to 77.6m, time = 2013-05-19T20:53:30Z to 2013-05-22T17:46:30Z
Information:  Summary ? | License ? | 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 {
  event {
    Float64 _FillValue NaN;
    Float64 actual_range 2.01305192053e+7, 2.01305221746e+7;
    String bcodmo_name "event";
    String description "ID number for the event; YYYYmmdd.HHMM";
    String long_name "Event";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/";
    String units "unitless";
  }
  sci_event {
    Byte _FillValue 127;
    Byte actual_range 1, 20;
    String bcodmo_name "event";
    String description "Event number designation provided by science party.";
    String long_name "Sci Event";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/";
    String units "integer";
  }
  instrument {
    String bcodmo_name "instrument";
    String description "Name of instrument.";
    String long_name "Instrument";
    String units "dimensionless";
  }
  action {
    String bcodmo_name "action";
    String description "Activity performed with the instrument.";
    String long_name "Action";
    String units "dimensionless";
  }
  month_utc {
    String bcodmo_name "month_utc";
    String description "2-digit month of year (UTC) in mm format";
    String long_name "Month Utc";
    String units "unitless";
  }
  day_utc {
    Byte _FillValue 127;
    Byte actual_range 19, 22;
    String bcodmo_name "day_utc";
    String description "2-digit day of month (UTC) in dd format.";
    String long_name "Day Utc";
    String units "unitless";
  }
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 2013, 2013;
    String bcodmo_name "year";
    String description "4-digit year of the cruise in YYYY format";
    String long_name "Year";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/";
    String units "unitless";
  }
  time_utc {
    String bcodmo_name "time_utc";
    String description "Time (UTC) in HHMM format that the event took place";
    String long_name "Time Utc";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.36899681e+9, 1.36924479e+9;
    String axis "T";
    String bcodmo_name "ISO_DateTime_UTC";
    String description "Date/Time (UTC) formatted to ISO 8601 standard in YYYY-mm-ddTHH:MM:SS.ss format.";
    String ioos_category "Time";
    String long_name "ISO Date Time UTC";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/";
    String source_name "ISO_DateTime_UTC";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  station {
    String bcodmo_name "station";
    String description "Alpha-numeric code representing the sampling station.";
    String long_name "Station";
    String units "dimensionless";
  }
  depth_w {
    Float32 _FillValue NaN;
    Float32 actual_range 74.0, 77.6;
    String bcodmo_name "depth_w";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Depth of the water (bottom depth). Name changed from 'Seafloor' during processing.";
    String long_name "Depth";
    String standard_name "depth";
    String units "meters";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 71.0, 77.6;
    String axis "Z";
    String bcodmo_name "depth_max";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "Maximum depth of instrument deploymnet.";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 40.4292, 41.4922;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude in decimal degrees. Positive values = North.";
    String ioos_category "Location";
    String long_name "Latitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LATX/";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -71.4188, -70.4825;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude in decimal degrees. Negative values = West.";
    String ioos_category "Location";
    String long_name "Longitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LONX/";
    String standard_name "longitude";
    String units "degrees_east";
  }
  author {
    String bcodmo_name "investigator";
    String description "Name of person entering the event.";
    String long_name "Author";
    String units "dimensionless";
  }
  comment {
    String bcodmo_name "comment";
    String description "Comment entered about the sampling event; free-text.";
    String long_name "Comment";
    String units "dimensionless";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt";
    String acquisition_description 
"The science party used the R2R event logger (DreamPlug version Release 2.1.16
compiled on May 3 2013 at 14:58:12) to record instrument deployments. The
original event log and other underway data submitted by the vessel operator
will be available from the NSF R2R cruise catalog:
[https://www.rvdata.us/search/cruise/EN524](\\\\\"https://www.rvdata.us/search/cruise/EN524\\\\\")
 
The final event was entered by the marine technician at the end of the cruise
to note when the science seawater flow-through system was stopped, the SBE21
thermosalinograph (TSG) logging was stopped (at around 13:57 UTC), and the
system was flushed with fresh water.";
    String awards_0_award_nid "55183";
    String awards_0_award_number "OCE-1219948";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward?AWD_ID=1219948";
    String awards_0_funder_name "NSF Division of Ocean Sciences";
    String awards_0_funding_acronym "NSF OCE";
    String awards_0_funding_source_nid "355";
    String awards_0_program_manager "Candace O. Major";
    String awards_0_program_manager_nid "51690";
    String cdm_data_type "Other";
    String comment 
"EN524 Event Log 
 Chief Scientist: Joan Bernhard (WHOI) 
 Version: 24 May 2013";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_type "institution";
    String creator_url "https://www.bco-dmo.org/";
    String data_source "extract_data_as_tsv version 2.3  19 Dec 2019";
    String date_created "2013-05-23T14:35:53Z";
    String date_modified "2019-11-06T15:17:08Z";
    String defaultDataQuery "&time<now";
    String doi "10.1575/1912/bco-dmo.3953.1";
    Float64 Easternmost_Easting -70.4825;
    Float64 geospatial_lat_max 41.4922;
    Float64 geospatial_lat_min 40.4292;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.4825;
    Float64 geospatial_lon_min -71.4188;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 77.6;
    Float64 geospatial_vertical_min 71.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2020-08-11T01:24:21Z (local files)
2020-08-11T01:24:21Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_3953.das";
    String infoUrl "https://www.bco-dmo.org/dataset/3953";
    String institution "BCO-DMO";
    String keywords "action, author, bco, bco-dmo, biological, chemical, comment, data, dataset, date, day, day_utc, depth, depth_instr_max, depth_w, dmo, erddap, event, instrument, iso, latitude, longitude, management, month, month_utc, oceanography, office, preliminary, sci, sci_event, station, time, time_utc, year";
    String license "https://www.bco-dmo.org/dataset/3953/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/3953";
    Float64 Northernmost_Northing 41.4922;
    String param_mapping "{'3953': {'depth_instr_max': 'flag - depth', 'lat': 'master - latitude', 'lon': 'master - longitude', 'ISO_DateTime_UTC': 'master - time'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/3953/parameters";
    String people_0_affiliation "Woods Hole Oceanographic Institution";
    String people_0_affiliation_acronym "WHOI";
    String people_0_person_name "Joan M. Bernhard";
    String people_0_person_nid "51285";
    String people_0_role "Chief Scientist";
    String people_0_role_type "originator";
    String people_1_affiliation "Woods Hole Oceanographic Institution";
    String people_1_affiliation_acronym "WHOI BCO-DMO";
    String people_1_person_name "Shannon Rauch";
    String people_1_person_nid "51498";
    String people_1_role "BCO-DMO Data Manager";
    String people_1_role_type "related";
    String project "OA, Hypoxia and Warming";
    String projects_0_acronym "OA, Hypoxia and Warming";
    String projects_0_description 
"from the NSF award abstract: 
The average sea surface temperature (SST) has increased over the last 100 years, rising atmospheric partial pressure of carbon dioxide (pCO2) is lowering the pH of the oceans, and the extent and intensity of low-oxygen bottom waters is growing, at least in certain regions. The biological impacts of these ongoing changes -- warming, acidification, and hypoxia -- have each been studied independently, but few studies have explored the possible interactions among these stressors.
This research, led by a scientist from the Woods Hole Oceanographic Institution, studies the compounded effects of ocean acidification, hypoxia, and warming on an assemblage of benthic foraminifera collected from the continental shelf off New England. Foraminifera are an ideal organism for this work because they (1) are relatively small, allowing experimentation on statistically significant populations; (2) have both calcareous and non-calcareous representatives; (3) are relatively short-lived so experiments include a major portion of their life cycle; (4) include aerobes and anaerobes; and (5) provide a fossil record allowing comparisons across time. Laboratory culturing experiments will be used to determine the response of benthic foraminifera, in terms of survival and growth, to co-varying parameters of pH and oxygen, and to explore the influence of increased temperature on these responses. The researchers will examine the relative effects of higher pCO2, lower [O2], and higher temperature (T) on both calcareous and non-calcareous benthic foraminifera. In addition, they will examine the pre-Industrial benthic foraminiferal assemblage at the field site, and will compare that assemblage to those produced in the experiments under pre-Industrial (lower than current day) and elevated pCO2 levels.";
    String projects_0_end_date "2015-08";
    String projects_0_geolocation "continental shelf off New England";
    String projects_0_name "Ocean Acidification, Hypoxia and Warming: Experimental Investigations into Compounded Effects of Global Change on Benthic Foraminifera";
    String projects_0_project_nid "2267";
    String projects_0_start_date "2012-09";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 40.4292;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "month_utc,year";
    String summary "Scientific sampling event log from R/V Endeavor cruise EN524 along the continental shelf of New England in 2013.";
    String time_coverage_end "2013-05-22T17:46:30Z";
    String time_coverage_start "2013-05-19T20:53:30Z";
    String title "Scientific sampling event log from R/V Endeavor cruise EN524 along the continental shelf of New England in 2013 (OA, Hypoxia and Warming project)";
    String version "1";
    Float64 Westernmost_Easting -71.4188;
    String xml_source "osprey2erddap.update_xml() v1.3";
  }
}

 

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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