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Dataset Title:  Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two
sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS
project)
  RSS
Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_666280)
Range: longitude = -162.122 to -162.119°E, latitude = 5.877 to 5.883°N, time = 2014-09-07T16:10:00Z to 2014-09-23T13:31:00Z
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  site {
    String description "Site in Palmyra where data were collected.";
    String ioos_category "Unknown";
    String long_name "Site";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 5.877, 5.883;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude; N is positive.";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -162.122, -162.119;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude; E is positive";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  date {
    String description "Date data were collected; mm/dd/yy";
    String ioos_category "Time";
    String long_name "Date";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4101062e+9, 1.41147906e+9;
    String axis "T";
    String description "Date/Time (UTC) ISO formatted";
    String ioos_category "Time";
    String long_name "ISO Date Time UTC";
    String source_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";
  }
  time2 {
    String description "Time data were collected; HH:MM";
    String ioos_category "Time";
    String long_name "Time";
    String units "unitless";
  }
  pH_1_1m {
    Float32 _FillValue NaN;
    Float32 actual_range 7.902, 8.083;
    String description "In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 1.1m above the benthos.";
    String ioos_category "Salinity";
    String long_name "P H 1 1M";
    String units "pH";
  }
  pH_0_5m {
    Float32 _FillValue NaN;
    Float32 actual_range 7.907, 8.074;
    String description "In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 0.5m above the benthos.";
    String ioos_category "Salinity";
    String long_name "P H 0 5M";
    String units "pH";
  }
  pH_0_3m {
    Float32 _FillValue NaN;
    Float32 actual_range 7.904, 8.081;
    String description "In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 0.3m above the benthos.";
    String ioos_category "Salinity";
    String long_name "P H 0 3M";
    String units "pH";
  }
  temp_1_1m {
    Float32 _FillValue NaN;
    Float32 actual_range 28.44, 30.45;
    String description "Temperature in Celsius; 3 x n matrix; data collected at 1.1m above the benthos.";
    String ioos_category "Unknown";
    String long_name "Temp 1 1m";
    String units "celsius";
  }
  temp_0_5m {
    Float32 _FillValue NaN;
    Float32 actual_range 28.73, 29.99;
    String description "Temperature in Celsius; 3 x n matrix; data collected at 0.5m above the benthos.";
    String ioos_category "Unknown";
    String long_name "Temp 0 5m";
    String units "celsius";
  }
  temp_0_3m {
    Float32 _FillValue NaN;
    Float32 actual_range 28.44, 30.44;
    String description "Temperature in Celsius; 3 x n matrix; data collected at 0.3m above the benthos.";
    String ioos_category "Unknown";
    String long_name "Temp 0 3m";
    String units "celsius";
  }
  DO_1_1m {
    Float32 _FillValue NaN;
    Float32 actual_range 120.04, 254.64;
    String description "Dissolved O2; 3 x n matrix; data collected at 1.1m above the benthos.";
    String ioos_category "Unknown";
    String long_name "DO 1 1m";
    String units "umol/kg";
  }
  DO_0_5m {
    Float32 _FillValue NaN;
    Float32 actual_range 119.56, 247.23;
    String description "Dissolved O2; 3 x n matrix; data collected at 0.5m above the benthos.";
    String ioos_category "Unknown";
    String long_name "DO 0 5m";
    String units "umol/kg";
  }
  DO_0_3m {
    Float32 _FillValue NaN;
    Float32 actual_range 118.09, 255.54;
    String description "Dissolved O2; 3 x n matrix; data collected at 0.3m above the benthos.";
    String ioos_category "Unknown";
    String long_name "DO 0 3m";
    String units "umol/kg";
  }
  OMEGA_1_1m {
    Float32 _FillValue NaN;
    Float32 actual_range 2.75, 3.92;
    String description "Aragonite Saturation State; 3 x n matrix; data collected at 1.1m above the benthos.";
    String ioos_category "Unknown";
    String long_name "OMEGA 1 1m";
    String units "unitless";
  }
  OMEGA_0_5m {
    Float32 _FillValue NaN;
    Float32 actual_range 2.78, 3.86;
    String description "Aragonite Saturation State; 3 x n matrix; data collected at 0.5m above the benthos.";
    String ioos_category "Unknown";
    String long_name "OMEGA 0 5m";
    String units "unitless";
  }
  OMEGA_0_3m {
    Float32 _FillValue NaN;
    Float32 actual_range 2.76, 3.9;
    String description "Aragonite Saturation State; 3 x n matrix; data collected at 0.3m above the benthos.";
    String ioos_category "Unknown";
    String long_name "OMEGA 0 3m";
    String units "unitless";
  }
  PAR {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 2224.6;
    Float64 colorBarMaximum 70.0;
    Float64 colorBarMinimum 0.0;
    String description "Photosynthetically Available Radiation";
    String ioos_category "Optical Properties";
    String long_name "Downwelling Photosynthetic Photon Radiance In Sea Water";
    String units "umol photons m-2 s-1";
  }
  pressure {
    Float32 _FillValue NaN;
    Float32 actual_range 2.37, 4.11;
    String description "Pressure; 3 x n matrix.";
    String ioos_category "Pressure";
    String long_name "Pressure";
    String units "decibars";
  }
  current_speed {
    Float32 _FillValue NaN;
    Float32 actual_range 0.021, 0.216;
    String description "Current speed at 1.4 m above benthos.";
    String ioos_category "Currents";
    String long_name "Current Speed";
    String units "meters per second";
  }
  salinity {
    Float32 _FillValue NaN;
    Float32 actual_range 32.37, 34.55;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String description "Salinity";
    String ioos_category "Salinity";
    String long_name "Sea Water Practical Salinity";
    String units "practical salinity units";
  }
  NCP {
    Float32 _FillValue NaN;
    Float32 actual_range -68.6, 89.3;
    String description "Net Community Production";
    String ioos_category "Unknown";
    String long_name "NCP";
    String units "mmol O2 m-2 hr-1";
  }
  NCC_Q_0_8 {
    Float32 _FillValue NaN;
    Float32 actual_range -19.5, 31.0;
    String description "Net Community Calcification; 5 x n matrix; NCC value calculated using Q of 0.8";
    String ioos_category "Unknown";
    String long_name "NCC Q 0 8";
    String units "mmol CaCO3 m-2 hr-1";
  }
  NCC_Q_0_9 {
    Float32 _FillValue NaN;
    Float32 actual_range -22.3, 32.3;
    String description "Net Community Calcification; 5 x n matrix; NCC value calculated using Q of 0.9";
    String ioos_category "Unknown";
    String long_name "NCC Q 0 9";
    String units "mmol CaCO3 m-2 hr-1";
  }
  NCC_Q_1_0 {
    Float32 _FillValue NaN;
    Float32 actual_range -25.5, 38.8;
    String description "Net Community Calcification; 5 x n matrix; NCC value calculated using Q of 1.0";
    String ioos_category "Unknown";
    String long_name "NCC Q 1 0";
    String units "mmol CaCO3 m-2 hr-1";
  }
  NCC_Q_1_1 {
    Float32 _FillValue NaN;
    Float32 actual_range -28.7, 40.3;
    String description "Net Community Calcification; 5 x n matrix; NCC value calculated using Q of 1.1";
    String ioos_category "Unknown";
    String long_name "NCC Q 1 1";
    String units "mmol CaCO3 m-2 hr-1";
  }
  NCC_Q_1_2 {
    Float32 _FillValue NaN;
    Float32 actual_range -31.9, 45.0;
    String description "Net Community Calcification; 5 x n matrix; NCC value calculated using Q of 1.2";
    String ioos_category "Unknown";
    String long_name "NCC Q 1 2";
    String units "mmol CaCO3 m-2 hr-1";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt";
    String acquisition_description 
"This dataset was collected using the Benthic Ecosystem and Acidification
Measuring System (BEAMS). The details of this technique and dataset can be in
the reference provided below. BEAMS uses autonomous sensors to quantify mean
gradients of pH and O2\\u00a0and the current velocity profile in the BBL to
calculate benthic fluxes of O2\\u00a0(NCP) and TA (NCC). The NCP and NCC
provided here represent metabolic rates under completely natural (e.g. flow
and light) conditions.";
    String awards_0_award_nid "651860";
    String awards_0_award_number "OCE-1316006";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1316006";
    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 "Dr Henrietta N Edmonds";
    String awards_0_program_manager_nid "51517";
    String awards_1_award_nid "651864";
    String awards_1_award_number "OCE-1316047";
    String awards_1_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1316047";
    String awards_1_funder_name "NSF Division of Ocean Sciences";
    String awards_1_funding_acronym "NSF OCE";
    String awards_1_funding_source_nid "355";
    String awards_1_program_manager "Dr Henrietta N Edmonds";
    String awards_1_program_manager_nid "51517";
    String cdm_data_type "Other";
    String comment 
"BEAMS Data from LL and RT4 
  Y. Takeshita et. al. 
  Version 29 November 2016";
    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 2.2d  13 Jun 2019";
    String date_created "2016-11-30T00:55:58Z";
    String date_modified "2019-04-17T19:35:10Z";
    String defaultDataQuery "&time";
    String doi "10.1575/1912/bco-dmo.666280.1";
    Float64 Easternmost_Easting -162.119;
    Float64 geospatial_lat_max 5.883;
    Float64 geospatial_lat_min 5.877;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -162.119;
    Float64 geospatial_lon_min -162.122;
    String geospatial_lon_units "degrees_east";
    String history 
"2019-08-19T18:38:30Z (local files)
2019-08-19T18:38:30Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_666280.das";
    String infoUrl "https://www.bco-dmo.org/dataset/666280";
    String institution "BCO-DMO";
    String instruments_0_acronym "Flow Meter";
    String instruments_0_dataset_instrument_description "Used by the�Benthic Ecosystem and Acidification Measuring System (BEAMS)";
    String instruments_0_dataset_instrument_nid "666447";
    String instruments_0_description "General term for a sensor that quantifies the rate at which fluids (e.g. water or air) pass through sensor packages, instruments, or sampling devices. A flow meter may be mechanical, optical, electromagnetic, etc.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/388/";
    String instruments_0_instrument_name "Flow Meter";
    String instruments_0_instrument_nid "650";
    String instruments_0_supplied_name "Flow meter";
    String instruments_1_acronym "pH Sensor";
    String instruments_1_dataset_instrument_description "Used by the Benthic Ecosystem and Acidification Measuring System (BEAMS)";
    String instruments_1_dataset_instrument_nid "666443";
    String instruments_1_description "General term for an instrument that measures the pH or how acidic or basic a solution is.";
    String instruments_1_instrument_name "pH Sensor";
    String instruments_1_instrument_nid "674";
    String instruments_1_supplied_name "autonomous pH sensor";
    String instruments_2_acronym "Light Meter";
    String instruments_2_dataset_instrument_description "Used by the�Benthic Ecosystem and Acidification Measuring System (BEAMS)";
    String instruments_2_dataset_instrument_nid "666448";
    String instruments_2_description "Light meters are instruments that measure light intensity. Common units of measure for light intensity are umol/m2/s or uE/m2/s (micromoles per meter squared per second or microEinsteins per meter squared per second). (example: LI-COR 250A)";
    String instruments_2_instrument_name "Light Meter";
    String instruments_2_instrument_nid "703";
    String instruments_2_supplied_name "Light Meter";
    String instruments_3_acronym "Dissolved Oxygen Sensor";
    String instruments_3_dataset_instrument_description "Used by the Benthic Ecosystem and Acidification Measuring System (BEAMS)";
    String instruments_3_dataset_instrument_nid "666445";
    String instruments_3_description "An electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analyzed";
    String instruments_3_instrument_name "Dissolved Oxygen Sensor";
    String instruments_3_instrument_nid "705";
    String instruments_3_supplied_name "autonomous oxygen sensor";
    String keywords "active, available, bco, bco-dmo, biological, chemical, current, current_speed, currents, data, dataset, date, density, dmo, DO_0_3m, DO_0_5m, DO_1_1m, downwelling, downwelling_photosynthetic_photon_radiance_in_sea_water, earth, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, Earth Science > Oceans > Salinity/Density > Salinity, erddap, iso, latitude, longitude, management, ncc, NCC_Q_0_8, NCC_Q_0_9, NCC_Q_1_0, NCC_Q_1_1, NCC_Q_1_2, ncp, ocean, oceanography, oceans, office, omega, OMEGA_0_3m, OMEGA_0_5m, OMEGA_1_1m, optical, optical properties, optics, PAR, pH_0_3m, pH_0_5m, pH_1_1m, photon, photosynthetic, photosynthetically, practical, preliminary, pressure, properties, radiance, radiation, salinity, science, sea, sea_water_practical_salinity, seawater, site, speed, temp_0_3m, temp_0_5m, temp_1_1m, temperature, time, time2, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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.";
    String metadata_source "https://www.bco-dmo.org/api/dataset/666280";
    Float64 Northernmost_Northing 5.883;
    String param_mapping "{'666280': {'lat': 'master - latitude', 'lon': 'master - longitude', 'ISO_DateTime_UTC': 'master - time'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/666280/parameters";
    String people_0_affiliation "Carnegie Institution for Science";
    String people_0_affiliation_acronym "CIS";
    String people_0_person_name "Dr Yuichiro Takeshita";
    String people_0_person_nid "651875";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "University of California-San Diego";
    String people_1_affiliation_acronym "UCSD-SIO";
    String people_1_person_name "Dr Todd R. Martz";
    String people_1_person_nid "51254";
    String people_1_role "Co-Principal Investigator";
    String people_1_role_type "originator";
    String people_2_affiliation "Columbia University";
    String people_2_person_name "Dr Wade McGillis";
    String people_2_person_nid "51152";
    String people_2_role "Co-Principal Investigator";
    String people_2_role_type "originator";
    String people_3_affiliation "Bigelow Laboratory for Ocean Sciences";
    String people_3_person_name "Dr Nichole N. Price";
    String people_3_person_nid "651871";
    String people_3_role "Co-Principal Investigator";
    String people_3_role_type "originator";
    String people_4_affiliation "University of California-San Diego";
    String people_4_affiliation_acronym "UCSD-SIO";
    String people_4_person_name "Dr Jennifer Smith";
    String people_4_person_nid "51532";
    String people_4_role "Co-Principal Investigator";
    String people_4_role_type "originator";
    String people_5_affiliation "Carnegie Institution for Science";
    String people_5_affiliation_acronym "CIS";
    String people_5_person_name "Dr Yuichiro Takeshita";
    String people_5_person_nid "651875";
    String people_5_role "Contact";
    String people_5_role_type "related";
    String people_6_affiliation "Woods Hole Oceanographic Institution";
    String people_6_affiliation_acronym "WHOI BCO-DMO";
    String people_6_person_name "Hannah Ake";
    String people_6_person_nid "650173";
    String people_6_role "BCO-DMO Data Manager";
    String people_6_role_type "related";
    String project "Quantifying the potential for biogeochemical feedbacks to create 'refugia' from ocean acidification on tropical coral reefs";
    String projects_0_acronym "BEAMS";
    String projects_0_description 
"Description from NSF award abstract:
Rising sea surface temperatures and ocean acidification (OA) may threaten the ability of calcified organisms to build carbonate reefs, but it is unclear if particular reefs have the capacity to tolerate global change. Current understanding of the effects of OA on coral reefs originates from single-species laboratory studies largely focused on scleractinian corals. Traditionally, these experiments attempt to mimic static future conditions under the assumption that coastal regimes are as constant as -- and will acidify at the same rate as -- open ocean surface waters. Predictions based on these oversimplified scenarios are unrealistic because numerous benthic organisms, including calcifiers and primary producers, significantly alter the bulk seawater carbonate chemistry over a diurnal cycle. Further, the prevalence of recently appreciated extreme diel fluctuations in pH across some reefs suggests that benthic species may be acclimated to future carbonate conditions.
To look for potential OA refugia on reefs, a research team from the Scripps Institute of Oceanography (University of California at San Diego) and the Lamont Dougherty Earth Observatory (Columbia University) will undertake a unique mechanistic study on Palmyra Atoll, a remote uninhabited island in the central Pacific that lacks degradation from local human influence. They will explore the strengths and controls of biogeochemical feedbacks from coral reef benthic community assemblages to the seawater chemistry above and experimentally determine how this natural fluctuation affects physiological responses of key taxa to OA. Specifically they will: (1) tightly integrate a novel benthic flux technique in situ that allows continuous, high-temporal resolution measurements of net ecosystem metabolic rates (production and calcification) with an ongoing high spatial resolution benthic community dynamics study to quantify feedbacks of known species assemblages to observed natural spatiotemporal variability in seawater carbonate chemistry; and (2) use small scale common garden CO2 enrichment experiments and productivity/respiration assays in the lab paired with reciprocal transplant experiments in situ to empirically quantify the effects of elevated and/or fluctuating pCO2 on growth, calcification and photophysiology of common framework building organisms and their benthic competitors. This should allow them to examine the coupled interactions between OA and diverse benthic coral reef organisms in their natural environment in the absence of other confounding human impacts.";
    String projects_0_end_date "2017-06";
    String projects_0_name "Quantifying the potential for biogeochemical feedbacks to create 'refugia' from ocean acidification on tropical coral reefs";
    String projects_0_project_nid "651861";
    String projects_0_start_date "2013-07";
    String publisher_name "Hannah Ake";
    String publisher_role "BCO-DMO Data Manager(s)";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 5.877;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project)";
    String time_coverage_end "2014-09-23T13:31:00Z";
    String time_coverage_start "2014-09-07T16:10:00Z";
    String title "Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project)";
    String version "1";
    Float64 Westernmost_Easting -162.122;
    String xml_source "osprey2erddap.update_xml() v1.5-beta";
  }
}

 

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.

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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