ERDDAP > tabledap > Data Access Form

Dataset Title:	[HOT CTD Profiles] - Two decibar-averaged CTD profiles from the Hawaii Ocean Time-Series cruises from 1988-2023 (HOT project) ([Current] Hawaii Ocean Time- series (HOT): 2023-2028; [Previous] Hawaii Ocean Time-series (HOT): Sustaining ocean ecosystem and climate observations in the North Pacific Subtropical Gyre)
Institution:	BCO-DMO   (Dataset ID: bcodmo_dataset_3937_v2)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
cruise_name (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	348
EXPOCODE (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"316N210_1"	"33RR149_1"
station (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	61
cast (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	31
time (Iso_datetime_utc, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		1988-10-30T21:34:00Z	2023-12-31T06:39:00Z
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-159.7002	-157.4567
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		21.2283	23.4398
depth (Depth_max, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		25	5700
pres_max (decibars (db))	!= =~ <= >= = < >		!= =~ <= >= = < >		30	4912
HOT_summary_file_name (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"hot1.sum"	"hot99.sum"
parameters (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"1"	"3, 4, 5, 6"
num_bottles (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	24
section (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"PRS2"	"PRS2"
depth_hgt (meters (m))	!= =~ <= >= = < >		!= =~ <= >= = < >		-838	4754
CTDPRS (Decibars (db))	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	4912.0
CTDTMP (Degrees Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.2913	28.9954
CTDSAL (PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	39.1634
CTDOXY (micromoles per kilogram (umol/kg))	!= =~ <= >= = < >		!= =~ <= >= = < >		-8.3	999.0
CHLPIG (microgram per liter (ug/L))	!= =~ <= >= = < >		!= =~ <= >= = < >		-3.0711	118.962
XMISS (percent transmission (%))	!= =~ <= >= = < >		!= =~ <= >= = < >		"-98.475"	"93.662"
NITRATE (micromoles per kilogram (umol/kg))	!= =~ <= >= = < >		!= =~ <= >= = < >		-8.977	586.01
QUALT1 (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"202293"	"666969"
NUMBER (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	8172
comments (unitless)	!= =~ <= >= = < >		!= =~ <= >= = < >		"CTD Test"	"No CTD Salinity"

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" cruise_name EXPOCODE station cast time longitude latitude depth pres_max HOT_summary_file_name parameters num_bottles section depth_hgt CTDPRS CTDTMP CTDSAL CTDOXY CHLPIG XMISS NITRATE QUALT1 NUMBER comments cruise_name EXPOCODE station cast time longitude latitude depth pres_max HOT_summary_file_name parameters num_bottles section depth_hgt CTDPRS CTDTMP CTDSAL CTDOXY CHLPIG XMISS NITRATE QUALT1 NUMBER comments cruise_name EXPOCODE station cast time longitude latitude depth pres_max HOT_summary_file_name parameters num_bottles section depth_hgt CTDPRS CTDTMP CTDSAL CTDOXY CHLPIG XMISS NITRATE QUALT1 NUMBER comments cruise_name EXPOCODE station cast time longitude latitude depth pres_max HOT_summary_file_name parameters num_bottles section depth_hgt CTDPRS CTDTMP CTDSAL CTDOXY CHLPIG XMISS NITRATE QUALT1 NUMBER comments cruise_name EXPOCODE station cast time longitude latitude depth pres_max HOT_summary_file_name parameters num_bottles section depth_hgt CTDPRS CTDTMP CTDSAL CTDOXY CHLPIG XMISS NITRATE QUALT1 NUMBER comments ")

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 {
  cruise_name {
    Int32 actual_range 1, 348;
    String long_name "Cruise_name";
    String units "unitless";
  }
  EXPOCODE {
    String long_name "Expocode";
    String units "unitless";
  }
  station {
    Int32 actual_range 1, 61;
    String long_name "Station";
    String units "unitless";
  }
  cast {
    Int32 actual_range 1, 31;
    String long_name "Cast";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 5.9425044e+8, 1.70400474e+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";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -159.7002, -157.4567;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 21.2283, 23.4398;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Int32 actual_range 25, 5700;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth_max";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  pres_max {
    Int32 actual_range 30, 4912;
    String long_name "Pres_max";
    String units "decibars (db)";
  }
  HOT_summary_file_name {
    String long_name "Hot_summary_file_name";
    String units "unitless";
  }
  parameters {
    String long_name "Parameters";
    String units "unitless";
  }
  num_bottles {
    Int32 actual_range 0, 24;
    String long_name "Num_bottles";
    String units "unitless";
  }
  section {
    String long_name "Section";
    String units "unitless";
  }
  depth_hgt {
    Int32 actual_range -838, 4754;
    String long_name "Depth_hgt";
    String units "meters (m)";
  }
  CTDPRS {
    Float32 actual_range 0.0, 4912.0;
    String long_name "Ctdprs";
    String units "Decibars (db)";
  }
  CTDTMP {
    Float32 actual_range -0.2913, 28.9954;
    String long_name "Ctdtmp";
    String units "Degrees Celsius";
  }
  CTDSAL {
    Float32 actual_range 0.0, 39.1634;
    String long_name "Ctdsal";
    String units "PSU";
  }
  CTDOXY {
    Float32 actual_range -8.3, 999.0;
    String long_name "Ctdoxy";
    String units "micromoles per kilogram (umol/kg)";
  }
  CHLPIG {
    Float32 actual_range -3.0711, 118.962;
    String long_name "Chlpig";
    String units "microgram per liter (ug/L)";
  }
  XMISS {
    String long_name "Xmiss";
    String units "percent transmission (%)";
  }
  NITRATE {
    Float32 actual_range -8.977, 586.01;
    String long_name "Nitrate";
    String units "micromoles per kilogram (umol/kg)";
  }
  QUALT1 {
    String long_name "Qualt1";
    String units "unitless";
  }
  NUMBER {
    Int32 actual_range 0, 8172;
    String long_name "Number";
    String units "unitless";
  }
  comments {
    String long_name "Comments";
    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.3937.2";
    Float64 Easternmost_Easting -157.4567;
    Float64 geospatial_lat_max 23.4398;
    Float64 geospatial_lat_min 21.2283;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -157.4567;
    Float64 geospatial_lon_min -159.7002;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 5700.0;
    Float64 geospatial_vertical_min 25.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-08-25T17:49:24Z (local files)
2025-08-25T17:49:24Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3937_v2.html";
    String infoUrl "https://osprey.bco-dmo.org/dataset/3937";
    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 23.4398;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 21.2283;
    String summary "The dataset includes CTD data collected by the Hawaii Ocean Time-series (HOT) ocean measurement program on cruises taken from October 1988 to December 2023, during the monthly expedition to Station ALOHA. HOT CTD data are collected using a SeaBird CTD 9-11 (9-11 Plus with dual sensors as of HOT-54) at the maximum sampling rate of 24 samples per second (24 Hz). They are screened for errors and processed to 2-dbar averages. The majority of the sampling effort, approximately 60-72 h per standard HOT cruise, is spent at Station ALOHA. High vertical resolution environmental data are collected with a Sea-Bird CTD having external temperature (T), conductivity (C), dissolved oxygen (DO) and fluorescence (F) sensors and an internal pressure (P) sensor. A Sea-Bird 24-place carousel and an aluminum rosette that is capable of supporting 24 12-L PVC bottles are used to obtain water samples from desired depths. The CTD and rosette are deployed on a 3-conductor cable allowing for real-time display of data and for tripping the bottles at specific depths of interest.";
    String time_coverage_end "2023-12-31T06:39:00Z";
    String time_coverage_start "1988-10-30T21:34:00Z";
    String title "[HOT CTD Profiles] - Two decibar-averaged CTD profiles from the Hawaii Ocean Time-Series cruises from 1988-2023 (HOT project) ([Current] Hawaii Ocean Time-series (HOT): 2023-2028;  [Previous] Hawaii Ocean Time-series (HOT): Sustaining ocean ecosystem and climate observations in the North Pacific Subtropical Gyre)";
    Float64 Westernmost_Easting -159.7002;
  }
}

 

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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 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.
• (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.

 

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