Data Access Form

Dataset Title:	[Cruise Event Log - HRS1415] - Event Log from R/V Hugh R. Sharp cruise HRS1415 in the Chesapeake Bay and coastal Atlantic Ocean in August 2014 (The role of soluble Mn(III) in the biogeochemical coupling of the Mn, Fe and sulfur cycles)
Institution:	BCO-DMO (Dataset ID: bcodmo_dataset_717994)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Files \| Make a graph

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Variable	Minimum	Maximum
cast (unitless)	"CTD1"	"Port"
date (unitless)	20140818	20140825
time_local (unitless)	"0401"	"~0555"
time_GMT (unitless)	"0000"	"NaN"
station (unitless)	1	12
latitude (degrees_north)	38.2305	39.4967

longitude (degrees_east)	-76.4107	-72.7275

comments (unitless)	"Arrive at port 0700"	"recovered; problem..."

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  cast {
    String bcodmo_name "cast";
    String description "Cast number. P_Cast = Pump profiler.";
    String long_name "Cast";
    String units "unitless";
  }
  date {
    Int32 _FillValue 2147483647;
    Int32 actual_range 20140818, 20140825;
    String bcodmo_name "date";
    String description "Date of event formatted as yyyymmdd";
    String long_name "Date";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/";
    String units "unitless";
  }
  time_local {
    String bcodmo_name "time";
    String description "Time of event (local time zone); formatted as HHMM";
    String long_name "Time Local";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/";
    String units "unitless";
  }
  time_GMT {
    String bcodmo_name "time";
    String description "Time of event (GMT); formatted as HHMM";
    String long_name "Time GMT";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/";
    String units "unitless";
  }
  station {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 1, 12;
    String bcodmo_name "station";
    String description "Station number";
    String long_name "Station";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 38.2305, 39.4967;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude; 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 -76.4107, -72.7275;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude; positive values = East";
    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";
  }
  comments {
    String bcodmo_name "comment";
    String description "Comments/notes about the event";
    String long_name "Comments";
    String units "unitless";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description "\"\"";
    String awards_0_award_nid "636519";
    String awards_0_award_number "OCE-1155385";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1155385";
    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 "Donald L. Rice";
    String awards_0_program_manager_nid "51467";
    String cdm_data_type "Other";
    String comment 
"Chesapeake Bay 2014 Cruise Event Log 
   R/V Sharp cruise HRS1415 (140818GL) 
   Chesapeake Bay / Offshore August 18 to August 25, 2014 
 PI: George W. Luther (University of Delaware) 
 Co-PI: Bradley M. Tebo (Oregon Health and Science University) 
 Version: 06 November 2017 
 Note: P.Cast =  in situ Pump Profiler Cast";
    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 "2017-10-27T17:32:52Z";
    String date_modified "2020-01-10T21:11:29Z";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.1575/1912/bco-dmo.717994.1";
    Float64 Easternmost_Easting -72.7275;
    Float64 geospatial_lat_max 39.4967;
    Float64 geospatial_lat_min 38.2305;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -72.7275;
    Float64 geospatial_lon_min -76.4107;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-11-21T09:00:35Z (local files)
2024-11-21T09:00:35Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_717994.html";
    String infoUrl "https://www.bco-dmo.org/dataset/717994";
    String institution "BCO-DMO";
    String keywords "bco, bco-dmo, biological, cast, chemical, comments, data, dataset, date, dmo, erddap, latitude, local, longitude, management, oceanography, office, preliminary, station, time, time_GMT, time_local";
    String license "https://www.bco-dmo.org/dataset/717994/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/717994";
    Float64 Northernmost_Northing 39.4967;
    String param_mapping "{'717994': {'lat': 'master - latitude', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/717994/parameters";
    String people_0_affiliation "University of Delaware";
    String people_0_person_name "George W. Luther";
    String people_0_person_nid "50547";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "Oregon Health & Science University";
    String people_1_affiliation_acronym "IEH/OHSU";
    String people_1_person_name "Bradley M. Tebo";
    String people_1_person_nid "527496";
    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 "Shannon Rauch";
    String people_2_person_nid "51498";
    String people_2_role "BCO-DMO Data Manager";
    String people_2_role_type "related";
    String project "Soluble ManganeseIII";
    String projects_0_acronym "Soluble ManganeseIII";
    String projects_0_description 
"Description from NSF award abstract:
The research conducted by investigators in the School of Marine Science and Policy at the University of Delaware and within the Department of Environmental and Biomolecular Systems of Oregon Health and Science University will examine the importance of soluble Mn(III) in the biogeochemical cycling of Mn. To date, most studies of Mn in marine environments have not considered Mn(III), the intermediate oxidation state between the soluble reduced state (Mn(II)) and the more insoluble oxidized state (Mn(IV)). The presence and stability of Mn(III) in marine systems, especially those where oxygen levels are reduced, changes the dynamics and stability, solubility and fate and transport of Mn in these locations, and at interfaces between oxic and low oxygen environments. This is not understood at present and the proposed research is poised to provide new information concerning the Mn cycle and is potentially transformative research. The PIs have developed new methods to examine Mn(III) levels in the environment and this capability will bolster the successful accomplishment of the project's goals. The studies will not only focus on understanding the cycling of Mn between its various oxidation states but will determine the concentration and distribution of Mn(III) in stratified coastal ocean waters and in sediment porewaters. The study will also examine the potentially important role of Mn(III) in mediating and influencing the biogeochemical cycling of Mn with that of Fe and S, which are both important components of the major ocean chemical cycles. A better understanding of the biogeochemistry of Mn will inform not only scientists interested in metal cycling in the ocean but also those focused on studies across redox transition zones. The proposed research has an international component and the investigators have developed plans to broadly disseminate their results to students at all levels and to the community. The Principal Investigators have a strong history in education and graduate student and post-doctoral support and mentoring and this will continue under the current grant.";
    String projects_0_end_date "2016-01";
    String projects_0_geolocation "Chesapeake Bay and coastal Atlantic Ocean";
    String projects_0_name "The role of soluble Mn(III) in the biogeochemical coupling of the Mn, Fe and sulfur cycles";
    String projects_0_project_nid "636520";
    String projects_0_start_date "2012-02";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 38.2305;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Event Log from R/V Hugh R. Sharp cruise HRS1415 in the Chesapeake Bay and coastal Atlantic Ocean in August 2014";
    String title "[Cruise Event Log - HRS1415] - Event Log from R/V Hugh R. Sharp cruise HRS1415 in the Chesapeake Bay and coastal Atlantic Ocean in August 2014 (The role of soluble Mn(III) in the biogeochemical coupling of the Mn, Fe and sulfur cycles)";
    String version "1";
    Float64 Westernmost_Easting -76.4107;
    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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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.