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Dataset Title:	[Virus production at a hydrothermal vent site] - Virus and prokaryote abundances from experiments conducted with samples collected at a hydrothermal vent site by ROV SuBastian during R/V Falkor (too) expedition FKt230627 along the East Pacific Rise in July of 2023 (The Underworld of Hydrothermal Vents)
Institution:	BCO-DMO   (Dataset ID: bcodmo_dataset_936224_v1)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
dive (unitlesss)	!= =~ <= >= = < >		!= =~ <= >= = < >		"S0544"	"S0560"
sample_id (unitlesss)	!= =~ <= >= = < >		!= =~ <= >= = < >		"S0544-010"	"S0560-213"
subsample_id (unitlesss)	!= =~ <= >= = < >		!= =~ <= >= = < >		"S0544-010-t0-A"	"S0560-213-t6-B"
habitat (unitlesss)	!= =~ <= >= = < >		!= =~ <= >= = < >		"non vent"	"vent"
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		9.839953	9.840335
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-104.2919	-104.2916
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		2505.64	2518.14
temperature (degrees Celsius (degC))	!= =~ <= >= = < >		!= =~ <= >= = < >		1.84	24.9
incubated_at_250bar (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"no"	"yes"
date_local (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"2023-07-05"	"2023-07-22"
time_local (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"00:10"	"22:25"
time (Iso_datetime_utc, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2023-07-06T00:45:00Z	2023-07-23T04:25:00Z
prokaryotes (Nx10^4 mL^-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.05	2.1
viruses (Nx10^4 mL^-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.87	8.22

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" dive sample_id subsample_id habitat latitude longitude depth temperature incubated_at_250bar date_local time_local time prokaryotes viruses dive sample_id subsample_id habitat latitude longitude depth temperature incubated_at_250bar date_local time_local time prokaryotes viruses dive sample_id subsample_id habitat latitude longitude depth temperature incubated_at_250bar date_local time_local time prokaryotes viruses dive sample_id subsample_id habitat latitude longitude depth temperature incubated_at_250bar date_local time_local time prokaryotes viruses dive sample_id subsample_id habitat latitude longitude depth temperature incubated_at_250bar date_local time_local time prokaryotes viruses ")

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .graph - View a Make A Graph web page. .help - View a web page with a description of tabledap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each response column becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .subset - View an HTML form which uses faceted search to simplify picking subsets of the data. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .kml - View a .kml file, suitable for Google Earth. .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  dive {
    String long_name "Dive";
    String units "unitlesss";
  }
  sample_id {
    String long_name "Sample_id";
    String units "unitlesss";
  }
  subsample_id {
    String long_name "Subsample_id";
    String units "unitlesss";
  }
  habitat {
    String long_name "Habitat";
    String units "unitlesss";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 9.839953, 9.840335;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -104.2919, -104.2916;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 2505.64, 2518.14;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  temperature {
    Float32 actual_range 1.84, 24.9;
    String long_name "Temperature";
    String units "degrees Celsius (degC)";
  }
  incubated_at_250bar {
    String long_name "Incubated_at_250bar";
    String units "unitless";
  }
  date_local {
    String long_name "Date_local";
    String units "unitless";
  }
  time_local {
    String long_name "Time_local";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.6886043e+9, 1.6900863e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Iso_datetime_utc";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  prokaryotes {
    Float32 actual_range 0.05, 2.1;
    String long_name "Prokaryotes";
    String units "Nx10^4 mL^-1";
  }
  viruses {
    Float32 actual_range 0.87, 8.22;
    String long_name "Viruses";
    String units "Nx10^4 mL^-1";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_url "https://www.bco-dmo.org/";
    String defaultDataQuery "&time<now";
    String doi "10.26008/1912/bco-dmo.936224.1";
    Float64 Easternmost_Easting -104.2916;
    Float64 geospatial_lat_max 9.840335;
    Float64 geospatial_lat_min 9.839953;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -104.2916;
    Float64 geospatial_lon_min -104.2919;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2518.14;
    Float64 geospatial_vertical_min 2505.64;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-02-19T19:35:39Z (local files)
2025-02-19T19:35:39Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_936224_v1.html";
    String infoUrl "https://www.bco-dmo.org/dataset/936224";
    String institution "BCO-DMO";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 9.840335;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 9.839953;
    String summary "We used the virus-dilution technique to quantify lytic virus production at nine sites across vent, sub-vent, and non-vent habitats along the East Pacific Rise during expedition FKt230627 aboard R/V Falkor(too). This technique leverages the density-dependent nature of viral infection, preventing new infections by dilution. Samples were collected via ROV SuBastian, sequentially filtered to remove larger particles, and concentrated using tangential-flow filtration. Duplicate incubations were set up with prokaryotic concentrate and virus-free water, pressurized to 250 bar, and incubated in the dark at in situ temperatures for 30 hours. Subsamples were taken every six hours for enumeration of prokaryotes and viruses via flow cytometry. Parallel experiments were conducted at surface pressure to assess the impact of pressure on virus production rates. The methodology ensures observed increases in viral abundance are due to pre-existing infections. The experiments were conducted aboard R/V Falkor(too) between 5-22 July 2023 by Tinkara Tinta and Nicole Krause. Prokaryotes and viruses were enumerated flow-cytometrically back in the lab by Christian Winter.";
    String time_coverage_end "2023-07-23T04:25:00Z";
    String time_coverage_start "2023-07-06T00:45:00Z";
    String title "[Virus production at a hydrothermal vent site] - Virus and prokaryote abundances from experiments conducted with samples collected at a hydrothermal vent site by ROV SuBastian during R/V Falkor (too) expedition FKt230627 along the East Pacific Rise in July of 2023 (The Underworld of Hydrothermal Vents)";
    Float64 Westernmost_Easting -104.2919;
  }
}

 

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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 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.

• (easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
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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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