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Dataset Title:	[GP17-OCE Beryllium-7 in seawater and aerosols] - Aerosol and seawater beryllium-7 concentrations from the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 (US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17- OCE))
Institution:	BCO-DMO   (Dataset ID: bcodmo_dataset_927107_v1)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
Station_ID (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	35
Event_ID (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"20221203.0341.001"	"20230119.1854.001"
Start_Date_UTC (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"2022-12-03"	"2023-01-19"
Start_Time_UTC (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"00:01:00"	"22:39:00"
time (Start_iso_datetime_utc, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2022-12-03T04:42:00Z	2023-01-19T21:32:00Z
End_Date_UTC (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"2022-12-05"	"2023-01-22"
End_Time_UTC (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"00:50:00"	"23:49:00"
End_ISO_DateTime_UTC (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2022-12-05T04:14:00Z	2023-01-22T01:20:00Z
Start_Latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		-67.007	-18.499
longitude (Start_longitude, degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-152.002	-76.549
latitude (End_latitude, degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		-67.0	-20.0
End_Longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-152.0	-75.751
Sample_ID (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		15904	18484
depth (Sample_depth, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		4.9	175.2
Be_7_D_CONC_PUMP_zo1nvd (microBecquerel per kilogram (uBq/kg))	!= =~ <= >= = < >		!= =~ <= >= = < >		63	6928
SD1_Be_7_D_CONC_PUMP_zo1nvd (microBecquerel per kilogram (uBq/kg))	!= =~ <= >= = < >		!= =~ <= >= = < >		105	386
Flag_Be_7_D_CONC_PUMP_zo1nvd (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		2	4
Be_7_A_T_CONC_HIVOL_b7gzuk (milliBecquerel per cubic meter (mBq/m^3))	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	3.16
SD1_Be_7_A_T_CONC_HIVOL_b7gzuk (milliBecquerel per cubic meter (mBq/m^3))	!= =~ <= >= = < >		!= =~ <= >= = < >		0.21	0.8
Flag_Be_7_A_T_CONC_HIVOL_b7gzuk (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		2	6

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" Station_ID Event_ID Start_Date_UTC Start_Time_UTC time End_Date_UTC End_Time_UTC End_ISO_DateTime_UTC Start_Latitude longitude latitude End_Longitude Sample_ID depth Be_7_D_CONC_PUMP_zo1nvd SD1_Be_7_D_CONC_PUMP_zo1nvd Flag_Be_7_D_CONC_PUMP_zo1nvd Be_7_A_T_CONC_HIVOL_b7gzuk SD1_Be_7_A_T_CONC_HIVOL_b7gzuk Flag_Be_7_A_T_CONC_HIVOL_b7gzuk Station_ID Event_ID Start_Date_UTC Start_Time_UTC time End_Date_UTC End_Time_UTC End_ISO_DateTime_UTC Start_Latitude longitude latitude End_Longitude Sample_ID depth Be_7_D_CONC_PUMP_zo1nvd SD1_Be_7_D_CONC_PUMP_zo1nvd Flag_Be_7_D_CONC_PUMP_zo1nvd Be_7_A_T_CONC_HIVOL_b7gzuk SD1_Be_7_A_T_CONC_HIVOL_b7gzuk Flag_Be_7_A_T_CONC_HIVOL_b7gzuk Station_ID Event_ID Start_Date_UTC Start_Time_UTC time End_Date_UTC End_Time_UTC End_ISO_DateTime_UTC Start_Latitude longitude latitude End_Longitude Sample_ID depth Be_7_D_CONC_PUMP_zo1nvd SD1_Be_7_D_CONC_PUMP_zo1nvd Flag_Be_7_D_CONC_PUMP_zo1nvd Be_7_A_T_CONC_HIVOL_b7gzuk SD1_Be_7_A_T_CONC_HIVOL_b7gzuk Flag_Be_7_A_T_CONC_HIVOL_b7gzuk Station_ID Event_ID Start_Date_UTC Start_Time_UTC time End_Date_UTC End_Time_UTC End_ISO_DateTime_UTC Start_Latitude longitude latitude End_Longitude Sample_ID depth Be_7_D_CONC_PUMP_zo1nvd SD1_Be_7_D_CONC_PUMP_zo1nvd Flag_Be_7_D_CONC_PUMP_zo1nvd Be_7_A_T_CONC_HIVOL_b7gzuk SD1_Be_7_A_T_CONC_HIVOL_b7gzuk Flag_Be_7_A_T_CONC_HIVOL_b7gzuk Station_ID Event_ID Start_Date_UTC Start_Time_UTC time End_Date_UTC End_Time_UTC End_ISO_DateTime_UTC Start_Latitude longitude latitude End_Longitude Sample_ID depth Be_7_D_CONC_PUMP_zo1nvd SD1_Be_7_D_CONC_PUMP_zo1nvd Flag_Be_7_D_CONC_PUMP_zo1nvd Be_7_A_T_CONC_HIVOL_b7gzuk SD1_Be_7_A_T_CONC_HIVOL_b7gzuk Flag_Be_7_A_T_CONC_HIVOL_b7gzuk ")

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 {
  Station_ID {
    Int32 actual_range 1, 35;
    String long_name "Station_id";
    String units "unitless";
  }
  Event_ID {
    String long_name "Event_id";
    String units "unitless";
  }
  Start_Date_UTC {
    String long_name "Start_date_utc";
    String units "unitless";
  }
  Start_Time_UTC {
    String long_name "Start_time_utc";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.67004252e+9, 1.67416392e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Start_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";
  }
  End_Date_UTC {
    String long_name "End_date_utc";
    String units "unitless";
  }
  End_Time_UTC {
    String long_name "End_time_utc";
    String units "unitless";
  }
  End_ISO_DateTime_UTC {
    Float64 actual_range 1.67021364e+9, 1.6743504e+9;
    String ioos_category "Time";
    String long_name "End_iso_datetime_utc";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  Start_Latitude {
    Float32 actual_range -67.007, -18.499;
    String long_name "Start_latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -152.002, -76.549;
    String axis "X";
    String ioos_category "Location";
    String long_name "Start_longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -67.0, -20.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "End_latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  End_Longitude {
    Float32 actual_range -152.0, -75.751;
    String long_name "End_longitude";
    String units "degrees_east";
  }
  Sample_ID {
    Int32 actual_range 15904, 18484;
    String long_name "Sample_id";
    String units "unitless";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 4.9, 175.2;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Sample_depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  Be_7_D_CONC_PUMP_zo1nvd {
    Int32 actual_range 63, 6928;
    String long_name "Be_7_d_conc_pump_zo1nvd";
    String units "microBecquerel per kilogram (uBq/kg)";
  }
  SD1_Be_7_D_CONC_PUMP_zo1nvd {
    Int32 actual_range 105, 386;
    String long_name "Sd1_be_7_d_conc_pump_zo1nvd";
    String units "microBecquerel per kilogram (uBq/kg)";
  }
  Flag_Be_7_D_CONC_PUMP_zo1nvd {
    Int32 actual_range 2, 4;
    String long_name "Flag_be_7_d_conc_pump_zo1nvd";
    String units "unitless";
  }
  Be_7_A_T_CONC_HIVOL_b7gzuk {
    Float32 actual_range 0.0, 3.16;
    String long_name "Be_7_a_t_conc_hivol_b7gzuk";
    String units "milliBecquerel per cubic meter (mBq/m^3)";
  }
  SD1_Be_7_A_T_CONC_HIVOL_b7gzuk {
    Float32 actual_range 0.21, 0.8;
    String long_name "Sd1_be_7_a_t_conc_hivol_b7gzuk";
    String units "milliBecquerel per cubic meter (mBq/m^3)";
  }
  Flag_Be_7_A_T_CONC_HIVOL_b7gzuk {
    Int32 actual_range 2, 6;
    String long_name "Flag_be_7_a_t_conc_hivol_b7gzuk";
    String units "unitless";
  }
 }
  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.927107.1";
    Float64 Easternmost_Easting -76.549;
    Float64 geospatial_lat_max -20.0;
    Float64 geospatial_lat_min -67.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -76.549;
    Float64 geospatial_lon_min -152.002;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 175.2;
    Float64 geospatial_vertical_min 4.9;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-12-31T00:07:55Z (local files)
2024-12-31T00:07:55Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_927107_v1.html";
    String infoUrl "https://www.bco-dmo.org/dataset/927107";
    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 -20.0;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -67.0;
    String summary "Beryllium-7, a radioactive isotope with a half-life of 53.3 days, is formed in the atmosphere, attaches to aerosol particles, and is deposited on the earth's surface through wet and dry processes. In this project, we measured Be-7 concentrations in aerosol particles and in seawater samples (depths < 200 meters) collected on the GEOTRACES GP17-OCE cruise aboard R/V Roger Revelle. The cruise originated in Papeete, Tahiti, French Polynesia on 1 December 2022 and concluded on 25 January 2023 in Punta Arenas, Chile. Sixteen aerosol samples and seawater from twelve stations in the South Pacific and Southern Oceans were collected. The dataset will be used to study the deposition of trace elements and isotopes (TEIs) and upper ocean mixing processes. Aerosol deposition is an important source of TE micronutrients to open ocean areas that are far removed from riverine sources. But, while the collection aerosol of samples for TEI analysis is straightforward, estimating the deposition flux also requires an appropriate deposition velocity (i.e. deposition flux is the product of the aerosol concentration and deposition velocity). Because Be-7 is supplied to the open ocean exclusively through aerosol deposition and it is removed through radioactive decay, the water column inventory and aerosol concentration of Be-7 can be used to derive the deposition velocity applicable to aerosol TEIs. The penetration of dissolved Be-7 below the ocean mixed layer is limited by the isotope's half-life and the rate of vertical diffusive mixing. Through modeling, the shape of the Be-7 profile below the mixed layer provides an estimate for the vertical diffusivity coefficient (Kz), which can be used to calculate fluxes of chemical species (e.g. oxygen) and physical properties (e.g. heat).";
    String time_coverage_end "2023-01-19T21:32:00Z";
    String time_coverage_start "2022-12-03T04:42:00Z";
    String title "[GP17-OCE Beryllium-7 in seawater and aerosols] - Aerosol and seawater beryllium-7 concentrations from the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 (US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE))";
    Float64 Westernmost_Easting -152.002;
  }
}

 

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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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