Accessing BCO-DMO data
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BCO-DMO ERDDAP
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| Dataset Title: | [ADCP_5minute] - Five minute ADCP data from ARSV Laurence M. Gould and RVIB Nathaniel B. Palmer cruises to the Southern Ocean from 2001-2003 as part of the Southern Ocean GLOBEC project. (U.S. GLOBEC Southern Ocean) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_2344) |
| Information: | Summary
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| FGDC
| ISO 19115
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Attributes {
s {
cruiseid {
String bcodmo_name "cruiseid";
String description "Cruise identification";
String long_name "Cruiseid";
}
year_start {
Int16 _FillValue 32767;
Int16 actual_range 2001, 2003;
String bcodmo_name "year_start";
String description "Year the cruise started, GMT in YYYY format";
String long_name "Year Start";
String units "unitless";
}
month_start {
String bcodmo_name "month_start";
String description "Month the cruise started, GMT";
String long_name "Month Start";
String units "MM";
}
day_start {
String bcodmo_name "day_start";
String description "Day the cruise started GMT";
String long_name "Day Start";
String units "dd";
}
time_start {
String bcodmo_name "time_start";
String description "Time the cruise started, GMT";
String long_name "Time Start";
String units "HHmm.m";
}
year_end {
Int16 _FillValue 32767;
Int16 actual_range 2001, 2003;
String bcodmo_name "year_end";
String description "Year the cruise ended, GMT in YYYY format";
String long_name "Year End";
String units "unitless";
}
month_end {
String bcodmo_name "month_end";
String description "Month the cruise ended, GMT";
String long_name "Month End";
String units "MM";
}
day_end {
String bcodmo_name "day_end";
String description "Day the cruise ended, GMT";
String long_name "Day End";
String units "dd";
}
time_end {
String bcodmo_name "time_end";
String description "Time the cruise ended, GMT";
String long_name "Time End";
String units "HHmm.m";
}
yrday0_utc {
String bcodmo_name "yrday0_gmt";
String description "Year day, GMT, where year day 0.5 = January 1 at noon.";
String long_name "Yrday0 Utc";
String units "YYY.Y";
}
latitude {
String _CoordinateAxisType "Lat";
Float64 _FillValue NaN;
Float64 actual_range -70.6349, -52.3528;
String axis "Y";
String bcodmo_name "latitude";
Float64 colorBarMaximum 90.0;
Float64 colorBarMinimum -90.0;
String description "Latitude, negative = South";
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 -77.7755, -58.7089;
String axis "X";
String bcodmo_name "longitude";
Float64 colorBarMaximum 180.0;
Float64 colorBarMinimum -180.0;
String description "Longitude, negative = 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";
}
depth {
String _CoordinateAxisType "Height";
String _CoordinateZisPositive "down";
Float64 _FillValue NaN;
Float64 actual_range 26.0, 498.0;
String axis "Z";
String bcodmo_name "depth";
Float64 colorBarMaximum 8000.0;
Float64 colorBarMinimum -8000.0;
String colorBarPalette "TopographyDepth";
String description "Depth of sample or observation";
String ioos_category "Location";
String long_name "Depth";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/DEPH/";
String positive "down";
String standard_name "depth";
String units "m";
}
u_m {
Float32 _FillValue NaN;
Float32 actual_range -1.302, 1.497;
String bcodmo_name "u_m";
String description "East-west component of velocity, positive = Eastward flow";
String long_name "U M";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/LCEWZZ01/";
String units "m/sec";
}
v_m {
Float32 _FillValue NaN;
Float32 actual_range -3.09, 2.467;
String bcodmo_name "v_m";
String description "North-south component of velocity, positive = Northward flow";
String long_name "V M";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/LCNSZZ01/";
String units "m/sec";
}
}
NC_GLOBAL {
String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
String acquisition_description
"In 2001, the RVIB NB Palmer and RVIB LM Gould were upgraded to collect a full
suite of data needed for full single-ping editing (i.e. processing single
pings to ocean velocities). LMG0103, LMG0104, and LMG0106 were collected
before the new system was implemented. The single ping data from these cruises
can only be used as an aid for looking at amplitude (backscatter). NBP0103,
NBP0104, NBP0202, NBP0204, LMG0201A, LMG0203, LMG0205, and LMG0302 datasets
contain the complete set of data needed for processing the single ping data.";
String awards_0_award_nid "54694";
String awards_0_award_number "ANT-9910102";
String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=9910102";
String awards_0_funder_name "NSF Antarctic Sciences";
String awards_0_funding_acronym "NSF ANT";
String awards_0_funding_source_nid "369";
String awards_0_program_manager "Professor Kelly Falkner";
String awards_0_program_manager_nid "51477";
String cdm_data_type "Other";
String comment
"ADCP_5min data from the Southern Ocearn.
L. Padman, PI
Displayed by /data8/pleiades/rgroman/Scripts/adcp_so_level0.pl, V1.07/24Feb10
Displayed by /data8/pleiades/rgroman/Scripts/adcp_so_level1.pl, V1.05/February ...
Displayed by /data8/pleiades/rgroman/Scripts/adcp_so_level2.pl, V1.05/February ...
u_m and v_m are the velocity components, in meters.";
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 "2010-02-11T19:18:14Z";
String date_modified "2019-02-26T20:38:56Z";
String defaultDataQuery "&time<now";
String doi "10.1575/1912/bco-dmo.2344.1";
Float64 Easternmost_Easting -58.7089;
Float64 geospatial_lat_max -52.3528;
Float64 geospatial_lat_min -70.6349;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max -58.7089;
Float64 geospatial_lon_min -77.7755;
String geospatial_lon_units "degrees_east";
Float64 geospatial_vertical_max 498.0;
Float64 geospatial_vertical_min 26.0;
String geospatial_vertical_positive "down";
String geospatial_vertical_units "m";
String history
"2024-11-23T17:01:35Z (local files)
2024-11-23T17:01:35Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_2344.html";
String infoUrl "https://www.bco-dmo.org/dataset/2344";
String institution "BCO-DMO";
String instruments_0_acronym "ADCP";
String instruments_0_dataset_instrument_description "Acoustic Doppler Current Profiler, encompasses an array of band widths and frequencies";
String instruments_0_dataset_instrument_nid "4158";
String instruments_0_description
"The ADCP measures water currents with sound, using a principle of sound waves called the Doppler effect. A sound wave has a higher frequency, or pitch, when it moves to you than when it moves away. You hear the Doppler effect in action when a car speeds past with a characteristic building of sound that fades when the car passes.
The ADCP works by transmitting \"pings\" of sound at a constant frequency into the water. (The pings are so highly pitched that humans and even dolphins can't hear them.) As the sound waves travel, they ricochet off particles suspended in the moving water, and reflect back to the instrument. Due to the Doppler effect, sound waves bounced back from a particle moving away from the profiler have a slightly lowered frequency when they return. Particles moving toward the instrument send back higher frequency waves. The difference in frequency between the waves the profiler sends out and the waves it receives is called the Doppler shift. The instrument uses this shift to calculate how fast the particle and the water around it are moving.
Sound waves that hit particles far from the profiler take longer to come back than waves that strike close by. By measuring the time it takes for the waves to bounce back and the Doppler shift, the profiler can measure current speed at many different depths with each series of pings. (More from WHOI instruments listing).";
String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/115/";
String instruments_0_instrument_name "Acoustic Doppler Current Profiler";
String instruments_0_instrument_nid "405";
String instruments_0_supplied_name "Acoustic Doppler Current Profiler";
String keywords "bco, bco-dmo, biological, chemical, cruiseid, data, dataset, day, day_end, day_start, depth, dmo, end, erddap, latitude, longitude, management, month, month_end, month_start, oceanography, office, preliminary, start, time, time_end, time_start, u, u_m, v, v_m, year, year_end, year_start, yrday0, yrday0_utc";
String license "https://www.bco-dmo.org/dataset/2344/license";
String metadata_source "https://www.bco-dmo.org/api/dataset/2344";
Float64 Northernmost_Northing -52.3528;
String param_mapping "{'2344': {'lat': 'master - latitude', 'depth': 'flag - depth', 'lon': 'master - longitude'}}";
String parameter_source "https://www.bco-dmo.org/mapserver/dataset/2344/parameters";
String people_0_affiliation "Earth and Space Research Institute";
String people_0_person_name "Dr Susan L. Howard";
String people_0_person_nid "50501";
String people_0_role "Co-Principal Investigator";
String people_0_role_type "originator";
String people_1_affiliation "Earth and Space Research Institute";
String people_1_person_name "Dr Laurence Padman";
String people_1_person_nid "50500";
String people_1_role "Co-Principal Investigator";
String people_1_role_type "originator";
String people_2_affiliation "Woods Hole Oceanographic Institution";
String people_2_affiliation_acronym "WHOI BCO-DMO";
String people_2_person_name "Ms Dicky Allison";
String people_2_person_nid "50382";
String people_2_role "BCO-DMO Data Manager";
String people_2_role_type "related";
String project "SOGLOBEC";
String projects_0_acronym "SOGLOBEC";
String projects_0_description "The fundamental objectives of United States Global Ocean Ecosystems Dynamics (U.S. GLOBEC) Program are dependent upon the cooperation of scientists from several disciplines. Physicists, biologists, and chemists must make use of data collected during U.S. GLOBEC field programs to further our understanding of the interplay of physics, biology, and chemistry. Our objectives require quantitative analysis of interdisciplinary data sets and, therefore, data must be exchanged between researchers. To extract the full scientific value, data must be made available to the scientific community on a timely basis.";
String projects_0_geolocation "Southern Ocean";
String projects_0_name "U.S. GLOBEC Southern Ocean";
String projects_0_project_nid "2039";
String projects_0_project_website "http://www.ccpo.odu.edu/Research/globec_menu.html";
String projects_0_start_date "2001-01";
String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
String publisher_type "institution";
String sourceUrl "(local files)";
Float64 Southernmost_Northing -70.6349;
String standard_name_vocabulary "CF Standard Name Table v55";
String summary "Five minute ADCP data from ARSV Laurence M. Gould and RVIB Nathaniel B. Palmer cruises to the Southern Ocean from 2001-2003 as part of the Southern Ocean GLOBEC project.";
String title "[ADCP_5minute] - Five minute ADCP data from ARSV Laurence M. Gould and RVIB Nathaniel B. Palmer cruises to the Southern Ocean from 2001-2003 as part of the Southern Ocean GLOBEC project. (U.S. GLOBEC Southern Ocean)";
String version "1";
Float64 Westernmost_Easting -77.7755;
String xml_source "osprey2erddap.update_xml() v1.3";
}
}
Data Access Protocol (DAP) and its
selection constraints.
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.