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Dataset Title:  [Tapajos River FT-ICR MS peaks] - Fourier Transform-Ion Cyclotron Resonance
Mass spectrometry (FT-ICR MS) peaks lists from the Tapajós River, Brazil from
2016-2023 (RAPID: El Nino Event Impacts on Organic Matter Export and
Composition in the Amazon River)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_986858_v1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 Sample (unitless) ?          "TA01"    "TA81"
 Date_ISO (unitless) ?          "2016-01-28"    "2023-11-30"
 latitude (Lat_dd, degrees_north) ?          -4.3375    -4.3375
  < slider >
 longitude (Lon_dd, degrees_east) ?          -56.06953    -56.06953
  < slider >
 Exp_mass (Daltons (Da)) ?          149.0608    1175.31
 Theor_mz (Daltons (Da)) ?          149.0608    1175.31
 Error (parts per million (ppm)) ?          -0.2999843    0.2999781
 Filez_RA (unitless) ?          5.38775E-4    3.026943
 DBE (unitless) ?          0    35
 HC (unitless) ?          0.2083333    3.0
 OC (unitless) ?          0.05    1.0
 Molecular_Formula (unitless) ?          "C10H10O10N0S0.C13_0"    "C9H9O9N3S0.C13_0"
 C (count) ?          4    64
 Hion (count) ?          4    92
 N (count) ?          0    4
 O (count) ?          1    30
 S (count) ?          0    2
 C13 (count) ?          0    0
 H (count) ?          5    93
 P (count) ?          0    0
 AImod (unitless) ?          0.0    1.0
 NC (unitless) ?          0.0    1.0
 SC (unitless) ?          0.0    0.5
 NOSC (unitless) ?          -2.0    3.5
 Formula (unitless) ?          "C10H10O10N0S0"    "C9H9O9N3S0"
 Class (unitless) ?          "CHO"    "CHOS"
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

(Documentation / Bypass this form ? )
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Sample {
    String long_name "Sample";
    String units "unitless";
  }
  Date_ISO {
    String long_name "Date_iso";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -4.3375, -4.3375;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Lat_dd";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -56.06953, -56.06953;
    String axis "X";
    String ioos_category "Location";
    String long_name "Lon_dd";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Exp_mass {
    Float32 actual_range 149.0608, 1175.31;
    String long_name "Exp_mass";
    String units "Daltons (Da)";
  }
  Theor_mz {
    Float32 actual_range 149.0608, 1175.31;
    String long_name "Theor_mz";
    String units "Daltons (Da)";
  }
  Error {
    Float32 actual_range -0.2999843, 0.2999781;
    String long_name "Error";
    String units "parts per million (ppm)";
  }
  Filez_RA {
    Float32 actual_range 5.38775e-4, 3.026943;
    String long_name "Filez_ra";
    String units "unitless";
  }
  DBE {
    Int32 actual_range 0, 35;
    String long_name "Dbe";
    String units "unitless";
  }
  HC {
    Float32 actual_range 0.2083333, 3.0;
    String long_name "Hc";
    String units "unitless";
  }
  OC {
    Float32 actual_range 0.05, 1.0;
    String long_name "Oc";
    String units "unitless";
  }
  Molecular_Formula {
    String long_name "Molecular_formula";
    String units "unitless";
  }
  C {
    Int32 actual_range 4, 64;
    String long_name "C";
    String units "count";
  }
  Hion {
    Int32 actual_range 4, 92;
    String long_name "Hion";
    String units "count";
  }
  N {
    Int32 actual_range 0, 4;
    String long_name "N";
    String units "count";
  }
  O {
    Int32 actual_range 1, 30;
    String long_name "O";
    String units "count";
  }
  S {
    Int32 actual_range 0, 2;
    String long_name "S";
    String units "count";
  }
  C13 {
    Int32 actual_range 0, 0;
    String long_name "C13";
    String units "count";
  }
  H {
    Int32 actual_range 5, 93;
    String long_name "H";
    String units "count";
  }
  P {
    Int32 actual_range 0, 0;
    String long_name "P";
    String units "count";
  }
  AImod {
    Float32 actual_range 0.0, 1.0;
    String long_name "Aimod";
    String units "unitless";
  }
  NC {
    Float32 actual_range 0.0, 1.0;
    String long_name "Nc";
    String units "unitless";
  }
  SC {
    Float32 actual_range 0.0, 0.5;
    String long_name "Sc";
    String units "unitless";
  }
  NOSC {
    Float32 actual_range -2.0, 3.5;
    String long_name "Nosc";
    String units "unitless";
  }
  Formula {
    String long_name "Formula";
    String units "unitless";
  }
  Class {
    String long_name "Class";
    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 doi "10.26008/1912/bco-dmo.986858.1";
    Float64 Easternmost_Easting -56.06953;
    Float64 geospatial_lat_max -4.3375;
    Float64 geospatial_lat_min -4.3375;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -56.06953;
    Float64 geospatial_lon_min -56.06953;
    String geospatial_lon_units "degrees_east";
    String history 
"2026-02-13T18:21:18Z (local files)
2026-02-13T18:21:18Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_986858_v1.html";
    String infoUrl "https://osprey.bco-dmo.org/dataset/986858";
    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 -4.3375;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -4.3375;
    String summary "This dataset includes assigned mass spectral peak lists from river water sampled near-monthly from the Tapajós River, Brazil between 2016-2023. Data were collected on a 21 T Fourier Transform-Ion Cyclotron Mass Spectrometer in electrospray negative ionization from solid phase DOM extracts. Trends in peak presence/absence and relative abundance reveal changes to DOM sourcing based on hydroclimate and multiyear climate anomalies.";
    String title "[Tapajos River FT-ICR MS peaks] - Fourier Transform-Ion Cyclotron Resonance Mass spectrometry (FT-ICR MS) peaks lists from the Tapajós River, Brazil from 2016-2023 (RAPID: El Nino Event Impacts on Organic Matter Export and Composition in the Amazon River)";
    Float64 Westernmost_Easting -56.06953;
  }
}

 

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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 (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.

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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