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Dataset Title:  UW FHL Temperature & Salinity data taken at Friday Harbor, WA between between
January 1, 2010 and January 1, 2016
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_775732)
Range: longitude = -123.00754 to -123.00754°E, latitude = 48.546036 to 48.546036°N, time = 2010-01-01T08:00:00Z to 2016-01-01T07:14:00Z
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 {
  Date {
    String bcodmo_name "date_local";
    String description "Date and Time in local time: Pacific Standard Time UTC-8:00)";
    String long_name "Date";
    String source_name "Date";
    String time_precision "1970-01-01T00:00Z";
    String units "unitless";
  Temperature {
    Float32 _FillValue NaN;
    Float32 actual_range 6.779, 15.5287;
    String bcodmo_name "temperature";
    String description "Seawater temperature";
    String long_name "Temperature";
    String units "degrees Celcius (C)";
  Salinity {
    Float32 _FillValue NaN;
    Float32 actual_range 21.315, 31.1389;
    String bcodmo_name "unknown";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String description "Seawater salinity";
    String long_name "Sea Water Practical Salinity";
    String units "PSU";
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.2623328e+9, 1.45163244e+9;
    String axis "T";
    String bcodmo_name "ISO_DateTime_UTC";
    String description "ISO UTC Date and Time in format YYYY-MM-DDTHH:MM:SSZ";
    String ioos_category "Time";
    String long_name "ISO Date Time UTC";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/";
    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";
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 48.546034, 48.546034;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude - south is negative";
    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 -123.007539, -123.007539;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude - west is negative";
    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";
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt";
    String acquisition_description 
"Seawater salinity and temperature were measured continuously each hour at 1.7
m depth at Cantilever Point, Friday Harbor Laboratories (FHL), Washington, USA
(48.546034,-123.007539) using a SBE 37SM (MicroCAT,SEA-Bird Electronics,
Bellevue WA)
Data were collected hourly.\\u00a0 Data gaps are due to problems associated
with deployment and data transfer.";
    String awards_0_award_nid "55120";
    String awards_0_award_number "OCE-1041213";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward?AWD_ID=1041213";
    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 "Mary Beth Saffo";
    String awards_0_program_manager_nid "51608";
    String cdm_data_type "Other";
    String comment 
"UW FHL Temperature & Salinity 
  PI: Emily Carrington 
  Data Version 1: 2019-08-21";
    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 "2019-08-20T18:50:15Z";
    String date_modified "2019-09-04T20:16:56Z";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.1575/1912/bco-dmo.775732.1";
    Float64 Easternmost_Easting -123.007539;
    Float64 geospatial_lat_max 48.546034;
    Float64 geospatial_lat_min 48.546034;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -123.007539;
    Float64 geospatial_lon_min -123.007539;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-08-20T03:36:09Z (local files)
2022-08-20T03:36:09Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_775732.das";
    String infoUrl "https://www.bco-dmo.org/dataset/775732";
    String institution "BCO-DMO";
    String instruments_0_acronym "CTD MicroCAT 37";
    String instruments_0_dataset_instrument_description "SBE 37-SM Microcat (Sea-Bird Electronics, Bellevue WA)";
    String instruments_0_dataset_instrument_nid "775735";
    String instruments_0_description 
"The Sea-Bird MicroCAT CTD unit is a high-accuracy conductivity and temperature recorder based on the Sea-Bird SBE 37 MicroCAT series of products.  It can be configured with optional pressure sensor, internal batteries, memory, built-in Inductive Modem, integral Pump, and/or SBE-43 Integrated Dissolved Oxygen sensor. Constructed of titanium and other non-corroding materials for long life with minimal maintenance, the MicroCAT is designed for long duration on moorings.  

In a typical mooring, a modem module housed in the buoy communicates with underwater instruments and is interfaced to a computer or data logger via serial port. The computer or data logger is programmed to poll each instrument on the mooring for its data, and send the data to a telemetry transmitter (satellite link, cell phone, RF modem, etc.). The MicroCAT saves data in memory for upload after recovery, providing a data backup if real-time telemetry is interrupted.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/350/";
    String instruments_0_instrument_name "CTD Sea-Bird MicroCAT 37";
    String instruments_0_instrument_nid "478";
    String instruments_0_supplied_name "SBE 37-SM Microcat (Sea-Bird Electronics, Bellevue WA)";
    String keywords "bco, bco-dmo, biological, chemical, data, dataset, date, density, dmo, earth, Earth Science > Oceans > Salinity/Density > Salinity, erddap, iso, ISO_DateTime_UTC, latitude, longitude, management, ocean, oceanography, oceans, office, practical, preliminary, salinity, science, sea, sea_water_practical_salinity, seawater, temperature, time, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "https://www.bco-dmo.org/dataset/775732/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/775732";
    Float64 Northernmost_Northing 48.546034;
    String param_mapping "{'775732': {'Latitude': 'flag - latitude', 'Longitude': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/775732/parameters";
    String people_0_affiliation "University of Washington";
    String people_0_affiliation_acronym "UW";
    String people_0_person_name "Emily Carrington";
    String people_0_person_nid "51609";
    String people_0_role "Principal Investigator";
    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 "Karen Soenen";
    String people_1_person_nid "748773";
    String people_1_role "BCO-DMO Data Manager";
    String people_1_role_type "related";
    String project "OA - Ecomaterials Perspective";
    String projects_0_acronym "OA - Ecomaterials Perspective";
    String projects_0_description 
"Effects of Ocean Acidification on Coastal Organisms: An Ecomaterials Perspective
This award will support researchers based at the University of Washington's Friday Harbor Laboratories. The overall focus of the project is to determine how ocean acidification affects the integrity of biomaterials and how these effects in turn alter interactions among members of marine communities. The research plan emphasizes an ecomaterial approach; a team of biomaterials and ecomechanics experts will apply their unique perspective to detail how different combinations of environmental conditions affect the structural integrity and ecological performance of organisms. The study targets a diversity of ecologically important taxa, including bivalves, snails, crustaceans, and seaweeds, thereby providing insight into the range of possible biological responses to future changes in climate conditions. The proposal will enhance our understanding of the ecological consequences of climate change, a significant societal problem.
Each of the study systems has broader impacts in fields beyond ecomechanics. Engineers are particularly interested in biomaterials and in each system there are materials with commercial potential. The project will integrate research and education by supporting doctoral student dissertation research, providing undergraduate research opportunities via three training programs at FHL, and summer internships for talented high school students, recruited from the FHL Science Outreach Program. The participation of underrepresented groups will be broadened by actively recruiting URM and female students. Results will be disseminated in a variety of forums, including peer-reviewed scientific publications, undergraduate and graduate course material, service learning activities in K-8 classrooms, demonstrations at FHL's annual Open House, and columns for a popular science magazine.";
    String projects_0_end_date "2013-08";
    String projects_0_geolocation "Friday Harbor, WA";
    String projects_0_name "Effects of Ocean Acidification on Coastal Organisms: An Ecomaterials Perspective";
    String projects_0_project_nid "2250";
    String projects_0_project_website "http://depts.washington.edu/fhl/oael.html";
    String projects_0_start_date "2010-09";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 48.546034;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "latitude,longitude";
    String summary "Hourly seawater temperature and salinity values taken by an SBE 37 MicroCAT at UW FHL (University of Washington, Friday Harbor Laboratories) in Friday Harbor between January 1, 2010 and January 1, 2016.";
    String time_coverage_end "2016-01-01T07:14:00Z";
    String time_coverage_start "2010-01-01T08:00:00Z";
    String title "UW FHL Temperature & Salinity data taken at Friday Harbor, WA between between January 1, 2010 and January 1, 2016";
    String version "1";
    Float64 Westernmost_Easting -123.007539;
    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
For example,
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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