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Dataset Title:  Scientific sampling event logs from two cruises/trips at the Richard B Gump
Research Station at Moorea LTER in 2010 and 2011 (MCR LTER and Coral DOM
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_3684)
Range: longitude = -149.826 to -149.826°E, latitude = -17.4907 to -17.4907°N, time = 2010-09-05T19:30:00Z to 2011-09-20T13:00:00Z
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Subset | 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 {
  cruiseid {
    String bcodmo_name "cruiseid";
    String description "Name of the research campaign/cruise/deployment.";
    String long_name "Cruiseid";
    String units "dimensionless";
  year {
    Int16 _FillValue 32767;
    Int16 actual_range 2010, 2011;
    String bcodmo_name "year";
    String description "4-digit year in YYYY format.";
    String long_name "Year";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/";
    String units "unitless";
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range -17.4907, -17.4907;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude of the research station; negative indicates south.";
    String ioos_category "Location";
    String long_name "Latitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LATX/";
    String source_name "lat_lab";
    String standard_name "latitude";
    String units "degrees_north";
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -149.826, -149.826;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude of the research station; negative indicates west.";
    String ioos_category "Location";
    String long_name "Longitude";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LONX/";
    String source_name "lon_lab";
    String standard_name "longitude";
    String units "degrees_east";
  event {
    String bcodmo_name "event";
    String description "Unique event ID number.";
    String long_name "Event";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/";
    String units "dimensionless";
  project_code {
    String bcodmo_name "unknown";
    String description 
"Code that identifies the project/experiment. (2011 data only). Codes:
TentI - TentVI = Benthic Tube Incubations;
RR = Release-Remineralization;
SS = Coral Damage (Sprout Soup);
NBE = Niskin in situ Incubations;
FF = Flow and Flux Surveys;
PW = Porewater Sampling;
SB = SandBag;
BPE = Big Pillow Experiments.";
    String long_name "Project Code";
    String units "dimensionless";
  site_ID {
    String bcodmo_name "Site_ID";
    String description "Area of operation.";
    String long_name "Site ID";
    String units "dimensionless";
  activity {
    String bcodmo_name "activity_and_comments";
    String description "Type of sampling activity or experiment.";
    String long_name "Activity";
    String units "dimensionless";
  sample_desig {
    String bcodmo_name "sample_descrip";
    String description "Sample number designator. (2010 data only.)";
    String long_name "Sample Desig";
    String units "dimensionless";
  date_local {
    String bcodmo_name "date_local";
    String description "Date in local time.";
    String long_name "Date Local";
    String units "mm/dd/yy";
  time_start_local {
    String bcodmo_name "time_start_local";
    String description "Time at start of event; local to French Polynesia (Papeete Tahiti; UTC/GMT -10 hours; Time Zone Code TAHT).";
    String long_name "Time Start Local";
    String units "HHMM";
  time_end_local {
    String bcodmo_name "time_local";
    String description "Time at end of event; local to French Polynesia (Papeete Tahiti; UTC/GMT -10 hours; Time Zone Code TAHT). (2011 data only.)";
    String long_name "Time End Local";
    String units "HHMM";
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.283715e+9, 1.3165236e+9;
    String axis "T";
    String bcodmo_name "ISO_DateTime_UTC";
    String description "Date and time (UTC) formatted to ISO8601 standard. T indicates start of time string; Z indicates UTC.";
    String ioos_category "Time";
    String long_name "ISO Date Time Start UTC";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/";
    String source_name "ISO_DateTime_start_UTC";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  si {
    String bcodmo_name "recorder";
    String description "Initials of scientific investigator.";
    String long_name "Si";
    String units "dimensionless";
  comment {
    String bcodmo_name "comment";
    String description "Description of samples collected and other free-text comments about the event.";
    String long_name "Comment";
    String units "dimensionless";
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt";
    String acquisition_description 
"In 2010, various boats, including the following, were used to sample from the
research station: Gump Safe boat, boats 609, 509, and 389.
2011 Experiments (codes in parenthesese correspond to 'project_code' column):  
 Benthic Tent Incubations (TentI - TentV) - 48h Duration; Continuous: Oxygen,
pH, Temp, Salinity; Daily: DOC, FCM, DNA, start-end POM.  
 Niskin in situ incubations (NBE) - 24h Duration; Start-End DOC, FCM, DNA,
 Release-Remineralization (RR) - 24h Exudation, 48h Remineralization (with
and without Sand, Light and Dark): DOC, DO, FCM, DNA.  
 Coral Damage (Sprout Soup) - 24h Exudation, 7 day incubation (daily water
change + exudate spike).  
 Big Pillow Experiments (BPE) - 24h Exudation, 48h incubation (metagenomic
filtration at 48h, maintain for later DOC timepoints and FCM.  
 Flow and Flux Surveys (FF)  
 Porewater Sampling (PW)  
 SandBag (SB) - Sand, Autoclaved Sand, incubated in offshore water in ~5L
bags (unfiltered).
2011 Methodology:  
 FCM - 1.5ml sample, 90 uL PFA (8% or 32% stocks).  
 DOC - collected through 47mm combusted GF/F into acid-leached 60ml HDPE or
combusted EPA.  
 nutrients - collected through 47mm combusted GF/F into triple-rinsed HDPE
scint vials.  
 DNA - 500+ mL whole water collected onto Sterivex.  
 Oxygen (NBE T0) - After sampling DOC, FCM, additional offsh. water to fill,
optode measure, close with spill.  
 Oxygen (NBE TF) - Before other samples, open niskin to laminar flow into BOD
bottle, overfill 2X, DO meas.  
 POC (NBE) - 500-1000 mL collected through 25mm combusted GF/F.  
 POC (FF) - 4L collected through 25mm combusted GF/F.  
 Chlorohpyll (FF) - 1L collected through 25mm combusted GF/F.  
 Fluorescein - 60ml initial line flush, then 10ml syringe sampled emptied
15ml falcon frozen -20.";
    String awards_0_award_nid "54988";
    String awards_0_award_number "OCE-0927411";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0927411";
    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 "David L. Garrison";
    String awards_0_program_manager_nid "50534";
    String cdm_data_type "Other";
    String comment 
"Event Log 
 Project: Coral DOM 
 Chief Sci: Craig Carlson (UC Santa Barbara, MSI) 
 Co-Chief Sci & Contact: Craig Nelson (UC Santa Barbara, MSI) 
 Version History: 
  Dataset updated: 02 January 2013 
  Original data: 31 July 2012 
 NOTE: lat_lab & lon_lab given for shore site (Richard B Gump Research Stn.); 
  coordinates for events will be added as more data are submitted by PI.";
    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 "2012-07-31T14:06:10Z";
    String date_modified "2019-08-29T12:47:29Z";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.1575/1912/bco-dmo.3684.2";
    Float64 Easternmost_Easting -149.826;
    Float64 geospatial_lat_max -17.4907;
    Float64 geospatial_lat_min -17.4907;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -149.826;
    Float64 geospatial_lon_min -149.826;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-10-03T05:19:26Z (local files)
2022-10-03T05:19:26Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_3684.das";
    String infoUrl "https://www.bco-dmo.org/dataset/3684";
    String institution "BCO-DMO";
    String keywords "activity, bco, bco-dmo, biological, chemical, code, comment, cruiseid, data, dataset, date, date_local, desig, dmo, end, erddap, event, iso, latitude, local, longitude, management, oceanography, office, preliminary, project, project_code, sample, sample_desig, site, site_ID, start, time, time_end_local, time_start_local, year";
    String license "https://www.bco-dmo.org/dataset/3684/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/3684";
    Float64 Northernmost_Northing -17.4907;
    String param_mapping "{'3684': {'lon_lab': 'flag - longitude', 'ISO_DateTime_start_UTC': 'flag - time', 'lat_lab': 'flag - latitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/3684/parameters";
    String people_0_affiliation "University of California-Santa Barbara";
    String people_0_affiliation_acronym "UCSB-MSI";
    String people_0_person_name "Craig Carlson";
    String people_0_person_nid "50575";
    String people_0_role "Chief Scientist";
    String people_0_role_type "originator";
    String people_1_affiliation "University of Hawaii at Manoa";
    String people_1_affiliation_acronym "SOEST";
    String people_1_person_name "Craig E. Nelson";
    String people_1_person_nid "51538";
    String people_1_role "Co-Chief Scientist";
    String people_1_role_type "originator";
    String people_2_affiliation "University of Hawaii at Manoa";
    String people_2_affiliation_acronym "SOEST";
    String people_2_person_name "Craig E. Nelson";
    String people_2_person_nid "51538";
    String people_2_role "Contact";
    String people_2_role_type "related";
    String people_3_affiliation "Woods Hole Oceanographic Institution";
    String people_3_affiliation_acronym "WHOI BCO-DMO";
    String people_3_person_name "Shannon Rauch";
    String people_3_person_nid "51498";
    String people_3_role "BCO-DMO Data Manager";
    String people_3_role_type "related";
    String project "MCR LTER,Coral DOM";
    String projects_0_acronym "MCR LTER";
    String projects_0_description 
"From http://www.lternet.edu/sites/mcr/ and http://mcr.lternet.edu/:
The Moorea Coral Reef LTER site encompasses the coral reef complex that surrounds the island of Moorea, French Polynesia (17°30'S, 149°50'W). Moorea is a small, triangular volcanic island 20 km west of Tahiti in the Society Islands of French Polynesia. An offshore barrier reef forms a system of shallow (mean depth ~ 5-7 m), narrow (~0.8-1.5 km wide) lagoons around the 60 km perimeter of Moorea. All major coral reef types (e.g., fringing reef, lagoon patch reefs, back reef, barrier reef and fore reef) are present and accessible by small boat.
The MCR LTER was established in 2004 by the US National Science Foundation (NSF) and is a partnership between the University of California Santa Barbara and California State University, Northridge. MCR researchers include marine scientists from the UC Santa Barbara, CSU Northridge, UC Davis, UC Santa Cruz, UC San Diego, CSU San Marcos, Duke University and the University of Hawaii. Field operations are conducted from the UC Berkeley Richard B. Gump South Pacific Research Station on the island of Moorea, French Polynesia.
MCR LTER Data: The Moorea Coral Reef (MCR) LTER data are managed by and available directly from the MCR project data site URL shown above.  The datasets listed below were collected at or near the MCR LTER sampling locations, and funded by NSF OCE as ancillary projects related to the MCR LTER core research themes.
The following publications and data resulted from this project:
2012 Edmunds PJ. Effect of pCO2 on the growth, respiration, and photophysiology of massive Porites spp. in Moorea, French Polynesia. Marine Biology 159: 2149-2160. doi:10.1594/PANGAEA.820375Porites growth_respiration_photophysDownload complete data for this publication (Excel file)";
    String projects_0_geolocation "Island of Moorea, French Polynesia";
    String projects_0_name "Moorea Coral Reef Long-Term Ecological Research site";
    String projects_0_project_nid "2222";
    String projects_0_project_website "http://mcr.lternet.edu/";
    String projects_0_start_date "2004-09";
    String projects_1_acronym "Coral DOM";
    String projects_1_description 
"This project is part of the ETBC (Emerging Topics in Biogeochemical Cycles) program.
From NSF award proposal:
The proposed research will investigate the coupling between primary producers and the utilization of dissolved organic matter (DOM) by marine heterotrophic microbes on coral reefs. Previous metagenomic studies of the microbial communities associated with near-pristine and degraded coral reefs demonstrated a shift from a microbial food web similar to the open ocean (Prochlorococcus spp. and SAR11-like bacteria) to a community dominated by \"super-heterotrophs\", most closely related to known pathogens like E. coli, Staphylococcus spp., Streptococcus spp., Enterobacter spp. and Vibrio spp. This shift is associated with a decline in coral cover and an increase in coral disease prevalence. Our previous research has also shown that dissolved organic carbon (DOC) concentrations are lower on coral reef platforms compared to measurements of offshore waters (60-80 µM). On degraded reefs, we have observed DOC measurements as low as 30 - 40 µM, a value similar to concentrations observed in the deep Pacific Ocean. The observation of low DOC measurements on degraded reefs is decoupled from the high abundance of macroalgae, which one might expect would raise levels of DOC through the release of photosynthate into the water column.
The data generated from the proposed research are key to understanding the microbial, chemical, and ecological dynamics on today’s coral reefs. The proposed research plan will consist of five inter-related objectives that will use a combination of field surveys, molecular characterization (microbes and DOM) and experimental approaches to assess the overall hypothesis. We propose to use a combination of archived samples from previous reef expeditions as well as conduct two field visits to reefs in French Polynesia (Moorea) and the Line Islands (Kiritimati) for focused sampling and experimentation. The biogeochemistry, local physical oceanography, and detailed reef ecology has been well characterized and continues to be monitored as part of the MCR-LTER program at Moorea. This environmental context will be useful in interpreting our experimental and field results at Moorea. We will also compare two field sites, Moorea and Kiritimati to ensure that our results are not specific to one region.";
    String projects_1_end_date "2013-10";
    String projects_1_geolocation "Moorea, French Polynesia";
    String projects_1_name "The coupling between DOM, algae, and microbes on coral reef platforms";
    String projects_1_project_nid "2223";
    String projects_1_start_date "2009-11";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -17.4907;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "latitude,longitude";
    String summary "Scientific sampling event logs recorded during the MCR10-1 cruise/trip (the Coral DOM 2010 Research Campaign) and the MCR11-1 cruise/trip (the Coral DOM 2011 Research Campaign) at the Richard B Gump Research Station at the Moorea Coral Reef LTER site.";
    String time_coverage_end "2011-09-20T13:00:00Z";
    String time_coverage_start "2010-09-05T19:30:00Z";
    String title "Scientific sampling event logs from two cruises/trips at the Richard B Gump Research Station at Moorea LTER in 2010 and 2011 (MCR LTER and Coral DOM projects)";
    String version "2";
    Float64 Westernmost_Easting -149.826;
    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.

Tabledap request URLs must be in the form
For example,
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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