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Dataset Title:	Fluxes of lipid biomarkers from the Oceanic Flux Program sediment trap time- series in the North Sargasso Sea from September to December 2016
Institution:	BCO-DMO (Dataset ID: bcodmo_dataset_775902)
Range:	depth = 1500.0 to 3200.0m
Information:	Summary \| License \| ISO 19115 \| Metadata \| Background \| Data Access Form \| Files

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 1500.0, 3200.0;
    String axis "Z";
    String bcodmo_name "depth";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String description "depth of observation";
    String ioos_category "Location";
    String long_name "Depth";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/DEPH/";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  start_date {
    String bcodmo_name "start_date";
    String description "start date in yyyy-mm-dd format";
    String long_name "Start Date";
    String source_name "start_date";
    String time_precision "1970-01-01";
    String units "unitless";
  }
  end_date {
    String bcodmo_name "end_date";
    String description "end date in yyyy-mm-dd format";
    String long_name "End Date";
    String time_precision "1970-01-01";
    String units "unitless";
  }
  days_sampling {
    Byte _FillValue 127;
    Byte actual_range 14, 15;
    String bcodmo_name "days";
    String description "number of days sampling";
    String long_name "Days Sampling";
    String units "days";
  }
  poc_perc {
    Float32 _FillValue NaN;
    Float32 actual_range 4.53, 7.49;
    String bcodmo_name "POC";
    String description "Particulate Organic Carbon percentage of total mass flux";
    String long_name "Poc Perc";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CORGCAP1/";
    String units "unitless";
  }
  poc_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.74, 1.76;
    String bcodmo_name "POC";
    String description "Particulate Organic Carbon flux";
    String long_name "Poc Flux";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CORGCAP1/";
    String units "milligrams per meter squared per day (mg/m2/d)";
  }
  total_lipid_perc {
    Float32 _FillValue NaN;
    Float32 actual_range 1.11, 5.91;
    String bcodmo_name "total lipids";
    String description "Total extractable lipids percentage of total POC";
    String long_name "Total Lipid Perc";
    String units "unitless";
  }
  total_lipid_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 10.15, 93.9;
    String bcodmo_name "total lipids";
    String description "Total extractable lipids flux";
    String long_name "Total Lipid Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  tfa_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 2.76, 48.9;
    String bcodmo_name "unknown";
    String description "Total fatty acids flux";
    String long_name "Tfa Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  sfa_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 1.24, 23.47;
    String bcodmo_name "unknown";
    String description "C12-C28 saturated even fatty acids flux";
    String long_name "Sfa Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  mufa_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.92, 16.83;
    String bcodmo_name "unknown";
    String description "C14:1-C22:1 monosaturated even fatty acids flux";
    String long_name "Mufa Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_18_1w9_fa {
    Float32 _FillValue NaN;
    Float32 actual_range 0.29, 5.79;
    String bcodmo_name "unknown";
    String description "18:1ω9 fatty acid flux";
    String long_name "Flux 18 1w9 Fa";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_18_1w7_fa {
    Float32 _FillValue NaN;
    Float32 actual_range 0.04, 1.39;
    String bcodmo_name "unknown";
    String description "18:1ω7 fatty acid flux";
    String long_name "Flux 18 1w7 Fa";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  pufas_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.16, 4.57;
    String bcodmo_name "unknown";
    String description "C16-C20 polyunsaturated fatty acids flux";
    String long_name "Pufas Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_18_3w6_pufa {
    Float32 _FillValue NaN;
    Float32 actual_range 0.05, 0.26;
    String bcodmo_name "unknown";
    String description "18:3ω6 polyunsaturated fatty acid flux";
    String long_name "Flux 18 3w6 Pufa";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_20_5w3_pufa {
    Float32 _FillValue NaN;
    Float32 actual_range 0.01, 0.57;
    String bcodmo_name "unknown";
    String description "20:5ω3 polyunsaturated fatty acid flux";
    String long_name "Flux 20 5w3 Pufa";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_22_6w3_pufa {
    Float32 _FillValue NaN;
    Float32 actual_range 0.04, 2.72;
    String bcodmo_name "unknown";
    String description "22:6ω3 polyunsaturated fatty acid flux";
    String long_name "Flux 22 6w3 Pufa";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  odd_br_fa_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.44, 5.51;
    String bcodmo_name "unknown";
    String description "C13-C19 odd and saturated iso- anteiso-branched fatty acid flux";
    String long_name "Odd Br Fa Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  tfal_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.23, 4.66;
    String bcodmo_name "unknown";
    String description "Total Fatty alcohols flux";
    String long_name "Tfal Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  mufal_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.03, 0.89;
    String bcodmo_name "unknown";
    String description "C16-22 Monounsaturated fatty alcohols";
    String long_name "Mufal Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  odd_br_fal_flux {
    Float32 _FillValue NaN;
    Float32 actual_range 0.01, 0.31;
    String bcodmo_name "unknown";
    String description "C11-21 Odd and iso- anteiso-branched fatty alcohols flux";
    String long_name "Odd Br Fal Flux";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  tbeta_omega_1_hydroxyacids {
    Float32 _FillValue NaN;
    Float32 actual_range 0.14, 1.04;
    String bcodmo_name "unknown";
    String description "+ω-1 hydroxyacids flux";
    String long_name "Tbeta Omega 1 Hydroxyacids";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  tsterols_stanols {
    Float32 _FillValue NaN;
    Float32 actual_range 1.39, 17.26;
    String bcodmo_name "unknown";
    String description "Total sterols+stanols flux";
    String long_name "Tsterols Stanols";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  phytosterols {
    Float32 _FillValue NaN;
    Float32 actual_range 0.65, 9.87;
    String bcodmo_name "unknown";
    String description "Phytosterols= (24-Nor-cholesta-5; 22-dien-3β-ol (C26Δ5;22); 27-nor-24-methylcholesta-5;22-dien-3β-ol (Cnor27Δ5;22); Cholesta-5;22-dien-3β -ol (C27Δ5;22); 24-Methylcholesta-5;22-dien-3β-ol (C28Δ5;22); 24-Methylcholesta-5;24(28)-dien-3β-ol (C28Δ5;24(28)); 24-Methylcholest-5-en-3β-ol (C28Δ5); 24-Ethylcholesta-5;22-dien-3β-ol (C29Δ5;22); 24-Ethylcholest-5-en-3β-ol (C29Δ5); 24-Propylcholesta-5;24(28)-dien-3β-ol (C30Δ5;24(28)); 4α;23;24-Trimethyl-5a-cholest-22-en-3β-ol (4αC30Δ22) ) flux";
    String long_name "Phytosterols";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  nor27delta5_22e {
    Float32 _FillValue NaN;
    Float32 actual_range 0.06, 2.53;
    String bcodmo_name "unknown";
    String description "Cholesta-5;22-dien-3β -ol (Occelasterol) flux";
    String long_name "Nor27delta5 22e";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_27delta5_22e {
    Float32 _FillValue NaN;
    Float32 actual_range 0.17, 1.67;
    String bcodmo_name "unknown";
    String description "Cholesta-5;22-dien-3β -ol (Dehidrocholesterol) flux";
    String long_name "Flux 27delta5 22e";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_28delta5_22e {
    Float32 _FillValue NaN;
    Float32 actual_range 0.05, 3.76;
    String bcodmo_name "unknown";
    String description "24-Methylcholesta-5;22-dien-3β-ol ( Brassicasterol) flux";
    String long_name "Flux 28delta5 22e";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_29delta5_22e {
    Float32 _FillValue NaN;
    Float32 actual_range 0.09, 0.52;
    String bcodmo_name "unknown";
    String description "24-Ethylcholesta-5;22-dien-3β-ol (Estigmasterol) flux";
    String long_name "Flux 29delta5 22e";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_27delta5 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.47, 12.59;
    String bcodmo_name "unknown";
    String description "Cholest-5-en-3β-ol (cholesterol) flux";
    String long_name "Flux 27delta5";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_28delta5 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.11, 0.84;
    String bcodmo_name "unknown";
    String description "4-Methylcholest-5-en-3β-ol flux";
    String long_name "Flux 28delta5";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_29delta5 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.11, 0.84;
    String bcodmo_name "unknown";
    String description "24-Ethylcholest-5-en-3β-ol flux";
    String long_name "Flux 29delta5";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  tstanols {
    Float32 _FillValue NaN;
    Float32 actual_range 0.16, 1.88;
    String bcodmo_name "unknown";
    String description "Stanols= ( 24-Nor-5α-cholest-22-en-3β-ol (C26Δ22); 5α-Cholesta-22-en-3β-ol (C27Δ22); 24-Methyl-5α-cholest-22-en-3β-ol (C28Δ22); 24-Ehtyl-colesta-22-en-3β-ol (C29Δ22); 5α-Cholestan-3β-ol (C27Δ0); 24-Methyl-colestan-3β-ol (C28Δ0); 24-Ethyl-5α-cholestan-3β-ol (C29Δ0); 4α;23S;24R-trimethyl-5α(H)-cholestan-3β-ol (4αC30Δ0).";
    String long_name "Tstanols";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_27delta0 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.06, 0.76;
    String bcodmo_name "unknown";
    String description "5α-Cholestan-3β-ol) flux";
    String long_name "Flux 27delta0";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_28delta0 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.01, 0.17;
    String bcodmo_name "unknown";
    String description "24-Methyl-colestan-3β-ol flux";
    String long_name "Flux 28delta0";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_29delta0 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.02, 0.17;
    String bcodmo_name "unknown";
    String description "24-Ethyl-5α-cholestan-3β-ol flux";
    String long_name "Flux 29delta0";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_27delta22 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.01, 0.52;
    String bcodmo_name "unknown";
    String description "5α-Cholesta-22-en-3β-ol flux";
    String long_name "Flux 27delta22";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  sk {
    Float32 _FillValue NaN;
    Float32 actual_range 0.01, 0.68;
    String bcodmo_name "unknown";
    String description "Saturated 4-methyl steroidal ketones flux";
    String long_name "SK";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  c30diol {
    Float32 _FillValue NaN;
    Float32 actual_range 0.09, 0.38;
    String bcodmo_name "unknown";
    String description "C30 alkan-1;15-diol flux";
    String long_name "C30diol";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  hop {
    Float32 _FillValue NaN;
    Float32 actual_range 1.65, 6.14;
    String bcodmo_name "unknown";
    String description "Hopanoids flux";
    String long_name "Hop";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  flux_1_o_alkyl {
    Float32 _FillValue NaN;
    Float32 actual_range 0.03, 1.46;
    String bcodmo_name "unknown";
    String description "1-O-alkylglycerols flux";
    String long_name "Flux 1 O Alkyl";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
  alkenones {
    Float32 _FillValue NaN;
    Float32 actual_range 0.06, 0.24;
    String bcodmo_name "unknown";
    String description "C37-C39 methyl ketones flux";
    String long_name "Alkenones";
    String units "micrograms per meter squared per day (ug/m2/d)";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv";
    String acquisition_description 
"Sinking particles were collected at 1500 m and 3200 m depths by Parflux
sediment traps (McLane Labs, Falmouth, MA) on the Oceanic Flux Program (OFP)
mooring. Trap cups were filled with 40 ppt deep seawater (concentrated by
freezing) poisoned with ultra-trace metal purity HgCl2 (200 mg L-1). OFP
methods are detailed in Conte et al. (2001, 2018). Sinking particles analyzed
in this study were collected between 25 October 2016 and 10 December 2016 with
a biweekly sample resolution.
 
Lipids were preserved and analyzed using a modification of methods in Conte et
al. (2003) (Pedrosa-P\\u00e0mies et al., 2018). Briefly, an internal standard
mixture (n-C21:0 fatty alcohol, n-C23:0 fatty acid, 5\\u03b1-cholestane and
n-C36:0 alkane) was added to the samples prior to lipid extraction. Lipids
were ultrasonically extracted in 2:1 CHCl3-MeOH, transesterified with
methanolic HCl and trimethylsilylated using BSTFA with 1% TMCS. The
transesterified, trimethylsilyl derivatives were analyzed on an Agilent 7890A
GC coupled to a 5975C MS. Compounds were identified by mass spectra and
quantified from their FID response relative to the internal standard.";
    String awards_0_award_nid "704723";
    String awards_0_award_number "OCE-1536644";
    String awards_0_data_url "https://www.nsf.gov/awardsearch/showAward?AWD_ID=1536644";
    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 "Henrietta N Edmonds";
    String awards_0_program_manager_nid "51517";
    String cdm_data_type "Other";
    String comment 
"Lipid flux data of the OFP sediment trap time-series in the N Sargasso Sea (Sep-Dec 2016). 
  PI: Maureen Conte 
  Version: 2019-08-23";
    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 "2019-08-23T17:48:00Z";
    String date_modified "2019-09-04T15:52:31Z";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.1575/1912/bco-dmo.775902.1";
    Float64 geospatial_vertical_max 3200.0;
    Float64 geospatial_vertical_min 1500.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-04-20T11:18:56Z (local files)
2024-04-20T11:18:56Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_775902.das";
    String infoUrl "https://www.bco-dmo.org/dataset/775902";
    String institution "BCO-DMO";
    String instruments_0_acronym "Mass Spec";
    String instruments_0_dataset_instrument_description "Gas chromatograph-mass spectrometer (GC-MS): Agilent 7890A GC coupled to a 5975C MS equipped with triple-axis MS and FID detectors.";
    String instruments_0_dataset_instrument_nid "775953";
    String instruments_0_description "General term for instruments used to measure the mass-to-charge ratio of ions; generally used to find the composition of a sample by generating a mass spectrum representing the masses of sample components.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB16/";
    String instruments_0_instrument_name "Mass Spectrometer";
    String instruments_0_instrument_nid "685";
    String instruments_0_supplied_name "Gas chromatograph-mass spectrometer";
    String keywords "1w7, 1w9, 22e, 27delta0, 27delta22, 27delta5, 28delta0, 28delta5, 29delta0, 29delta5, 3w6, 5w3, 6w3, alkenones, alkyl, bco, bco-dmo, biological, c30diol, chemical, data, dataset, date, days, days_sampling, depth, depth_m, dmo, end, end_date, erddap, fal, flux, flux_18_1w7_fa, flux_18_1w9_fa, flux_18_3w6_pufa, flux_1_o_alkyl, flux_20_5w3_pufa, flux_22_6w3_pufa, flux_27delta0, flux_27delta22, flux_27delta5, flux_27delta5_22e, flux_28delta0, flux_28delta5, flux_28delta5_22e, flux_29delta0, flux_29delta5, flux_29delta5_22e, hop, hydroxyacids, lipid, management, mufa, mufa_flux, mufal, mufal_flux, nor27delta5, nor27delta5_22e, oceanography, odd, odd_br_fa_flux, odd_br_fal_flux, office, omega, perc, phytosterols, poc, poc_flux, poc_perc, preliminary, pufa, pufas, pufas_flux, sampling, sfa, sfa_flux, stanols, start, tbeta, tbeta_omega_1_hydroxyacids, tfa, tfa_flux, tfal, tfal_flux, time, total, total_lipid_flux, total_lipid_perc, tstanols, tsterols, tsterols_stanols";
    String license "https://www.bco-dmo.org/dataset/775902/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/775902";
    String param_mapping "{'775902': {'depth_m': 'flag - depth'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/775902/parameters";
    String people_0_affiliation "Bermuda Institute of Ocean Sciences";
    String people_0_affiliation_acronym "BIOS";
    String people_0_person_name "Maureen H. Conte";
    String people_0_person_nid "50678";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "Marine Biological Laboratory Ecosystems Center";
    String people_1_affiliation_acronym "MBL - Ecosystems";
    String people_1_person_name "Rut Pedrosa-Pamies";
    String people_1_person_nid "775947";
    String people_1_role "Scientist";
    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 "Mathew Biddle";
    String people_2_person_nid "708682";
    String people_2_role "BCO-DMO Data Manager";
    String people_2_role_type "related";
    String project "OFP Sargasso Sea";
    String projects_0_acronym "OFP Sargasso Sea";
    String projects_0_description 
"NSF Award Abstract:
This award continues, for another three years, the Ocean Flux Program (OFP) that has been in continuous operation near Bermuda since 1978. The OFP time-series of particle fluxes in the deep Sargasso Sea has produced a unique record of the \"biological pump,\" a term used to describe the sinking of biological material from the surface to the deep ocean. The OFP provided the first direct evidence for seasonal changes in the deep ocean and tight links between deep ocean and upper ocean processes. The OFP provides clear evidence for the intensity of biological activity throughout the ocean's interior and the roles of key processes in biogeochemical and elemental cycling. The time-series is becoming long enough to study flux variability in terms of ocean basin-scale forcing, such as the North Atlantic Oscillation. The OFP sample archives are an unparalleled resource for study of temporal trends and the biogeochemical consequences of changing ocean chemistry. Education provided by the OFP broadens the experiences and science directions of many students (high school to PhD levels) and early investigators at critical career junctures.
The OFP time-series is the longest of its kind and unique in its focus on the deep ocean. As the record lengthens, investigators are better able to put into perspective the observed flux patterns in terms of the interplay between climate and ocean functioning. Colocation of complementary time-series -- Hydrostation S, the Bermuda Atlantic Time-Series (BATS), the Bermuda Testbed Mooring (BTM, 1994-2007), the Tudor Hill atmospheric tower and other sampling conducted near the Bermuda Time-Series Site -- and continuing advances in instrumentation on the OFP mooring present unparalleled opportunities to study coupling among ocean physics, biology and chemistry and material fluxes, and flux linkages with atmospheric and climatic forcing. As ever more sophisticated analytical tools are used to probe the recovered flux materials, new data continue to reveal novel information about ocean processes.";
    String projects_0_end_date "2021-09";
    String projects_0_geolocation "Sargasso Sea";
    String projects_0_name "Time Series Particle Flux Measurements in the Sargasso Sea";
    String projects_0_project_nid "2286";
    String projects_0_project_website "http://www.mbl.edu/ecosystems/conte/ofp/";
    String projects_0_start_date "2012-10";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Fluxes of lipid biomarkers in the 1500 m and 3200 m Oceanic Flux Program sediment traps in the northern Sargasso Sea, before, during and after of Hurricane Nicole 2016 (Sep-Dec 2016)";
    String title "Fluxes of lipid biomarkers from the Oceanic Flux Program sediment trap time-series in the North Sargasso Sea from September to December 2016";
    String version "1";
    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.