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   set  data   graph     files  public Annual calcification rate time series of Porites corals on Dongsha Atoll    ?     I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_687887

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson
attribute NC_GLOBAL acquisition_description String Coral skeletal cores were collected from massive Porites colonies using
underwater pneumatic drills with 3 cm diameter drill bits. The cores were
scanned at Woods Hole Oceanographic Institution Computerized Scanning and
Imaging Facility and skeletal density was calculated by comparison to
previously calibrated coral skeletal density standards\u2028.
attribute NC_GLOBAL awards_0_award_nid String 687812
attribute NC_GLOBAL awards_0_award_number String OCE-1605365
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1605365 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Dongsha Atoll Coral Calcification Rates
PI: Anne Cohen (WHOI)
Version: 19 April 2017
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2017-04-19T17:18:05Z
attribute NC_GLOBAL date_modified String 2019-08-02T19:56:14Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.687887.1
attribute NC_GLOBAL Easternmost_Easting double 116.7
attribute NC_GLOBAL geospatial_lat_max double 20.8
attribute NC_GLOBAL geospatial_lat_min double 20.8
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 116.7
attribute NC_GLOBAL geospatial_lon_min double 116.7
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/687887 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Manual Biota Sampler
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Coral skeletal cores were collected from massive Porites colonies using underwater pneumatic drills with 3 cm diameter drill bits.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 687976
attribute NC_GLOBAL instruments_0_description String Manual Biota Sampler indicates that a sample was collected in situ by a person, possibly using a hand-held collection device such as a jar, a net or their hands.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/90/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Manual Biota Sampler
attribute NC_GLOBAL instruments_0_instrument_nid String 565
attribute NC_GLOBAL instruments_0_supplied_name String underwater pneumatic drills
attribute NC_GLOBAL keywords String bands, bco, bco-dmo, biological, calcification, calcification_rate, chemical, core, core_id, data, dataset, dmo, erddap, latitude, longitude, management, oceanography, office, preliminary, rate, status, status_July_2015, stress, stress_bands, year
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/687887/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/687887 (external link)
attribute NC_GLOBAL Northernmost_Northing double 20.8
attribute NC_GLOBAL param_mapping String {'687887': {'lat': 'master - latitude', 'lon': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/687887/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_0_affiliation_acronym String WHOI
attribute NC_GLOBAL people_0_person_name String Anne L Cohen
attribute NC_GLOBAL people_0_person_nid String 51428
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Shannon Rauch
attribute NC_GLOBAL people_1_person_nid String 51498
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String Coral Reef Resilience
attribute NC_GLOBAL projects_0_acronym String Coral Reef Resilience
attribute NC_GLOBAL projects_0_description String This project supports a 7 day expedition to the heart of the central tropical Pacific during a particularly strong El Ni�o event, arguably one of the strongest on record. The target is Jarvis Island, located in the path of the cool, nutrient-rich Equatorial Under-Current (EUC). As a consequence of its location, Jarvis, a pristine, uninhabited coral reef ecosystem, is characterized by enhanced productivity, high densities of large predatory fish, turtles, corals and other sea life. However, sea surface temperatures on Jarvis are currently 3.9 degrees Celsius higher than normal for this time of year, due to El Ni�o. This provides investigators with a unique opportunity to examine how a highly productive reef ecosystem responds to ocean warming, and the mechanisms and timescales for recovery. Information will be collected by deploying state-of-the-art instrumentation on the reef, and sampling seawater, particulates, plankton and corals from surface to 150 meters depth. This will be the first expedition to Jarvis Island during a bleaching event. The US Pacific Remote Island Marine National Monument (PRIMNM) was recently expanded as part of a multi-national commitment to protect and preserve vast areas of our ocean and ocean resources for future generations. However, these protections do not shield ocean ecosystems from the impacts of 21st century climate change. The project investigates the potential for simultaneous changes in equatorial ocean circulation to lessen the impacts of the global warming for equatorial reefs. It tests hypotheses that improve understanding of fundamental mechanisms of coral reef resilience to climate change, and the ability to identify such reef systems for inclusion in Protected Area Networks. The cruise supports the training of four PhD students, three of whom are National Science Foundation / National Defense Science and Engineering graduate research fellows, and provide material in support of six PhD theses. Results will be shared at international meetings and workshops, and published in peer-reviewed journals. All data collected and generated from the cruise will be made publicly available via the Biological and Chemical Oceanography Data Management Office.
Global climate models project enhanced warming of the central tropical Pacific over this century. By implication, waters bathing five out of the seven coral reef ecosystems protected within the recently expanded PRIMNM, will warm by more than 3 degrees Celsius. This rate of warming far exceeds the known thermal tolerances of reef-building corals, fueling concerns that these reefs may not survive 21st century climate change. However the same models project a concurrent strengthening of the EUC, a projection supported by observations. The EUC carries cool, nutrient-rich waters that upwell on the west sides of the equatorial islands, cooling the reefs and enhancing productivity locally. If the GCM projections are realized, a strengthening EUC could modulate the impact of ocean warming for these reefs by reducing the rate of warming and supporting energetically replete coral communities that survive bleaching. This proposal exploits the current El Ni�o state of the tropical Pacific to test the following hypotheses: (1) Coral communities bathed in the nutrient-rich, productive waters of the central equatorial Pacific bleach during every El Ni�o, but mortality is low and as a result, percent live cover remains high. (2) Localized EUC-enhanced productivity supports nutritionally replete coral communities, which metabolize existing lipid reserves to support energetic requirements during bleaching. (3) In addition, equatorial corals adopt a flexible feeding strategy, switching from direct nitrate uptake during nitrogen-rich (greater than 5 micromolar nitrate) La Ni�a conditions to heterotrophic feeding during nitrogen-"poor" (less than 3 micromolar nitrate) El Ni�o conditions. We propose that, fueled by exogenous sources, equatorial Pacific coral communities survive bleaching with limited mortality, coral cover remains high and coral growth rates quickly recover. If data generated under this project support our hypotheses, then the combination of oceanographic and political protections could maximize the potential for coral reef survival through the 21st century.
attribute NC_GLOBAL projects_0_end_date String 2016-11
attribute NC_GLOBAL projects_0_geolocation String Central Tropical Pacific
attribute NC_GLOBAL projects_0_name String Can Coral Reefs in the Central Pacific Survive Ocean Warming? A 2015 El Nino Test
attribute NC_GLOBAL projects_0_project_nid String 687813
attribute NC_GLOBAL projects_0_start_date String 2015-12
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 20.8
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String location,latitude,longitude
attribute NC_GLOBAL summary String Annual calcification rate time series of Porites corals on Dongsha Atoll.
attribute NC_GLOBAL title String Annual calcification rate time series of Porites corals on Dongsha Atoll
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double 116.7
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable location   String  
attribute location bcodmo_name String site
attribute location description String Name of area of study
attribute location long_name String Location
attribute location units String unitless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 20.8, 20.8
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Latitude of study site
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double 116.7, 116.7
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Longitude of study site
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable core_id   short  
attribute core_id _FillValue short 32767
attribute core_id actual_range short 756, 919
attribute core_id bcodmo_name String sample
attribute core_id description String Identification number of coral core
attribute core_id long_name String Core Id
attribute core_id nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute core_id units String unitless
variable status_July_2015   String  
attribute status_July_2015 bcodmo_name String sample_descrip
attribute status_July_2015 description String Status of colony in July 2015: "bleached" / "dead" / "alive, pigmented"
attribute status_July_2015 long_name String Status July 2015
attribute status_July_2015 units String unitless
variable stress_bands   String  
attribute stress_bands bcodmo_name String sample_descrip
attribute stress_bands description String Years with identified stress bands
attribute stress_bands long_name String Stress Bands
attribute stress_bands units String unitless
variable year   short  
attribute year _FillValue short 32767
attribute year actual_range short 1953, 2013
attribute year bcodmo_name String year
attribute year description String 4-digit calendar year for which calcification rate was determined
attribute year long_name String Year
attribute year nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ (external link)
attribute year units String unitless
variable calcification_rate   float  
attribute calcification_rate _FillValue float NaN
attribute calcification_rate actual_range float 0.59, 2.24
attribute calcification_rate bcodmo_name String calcification
attribute calcification_rate description String Annual calcification rate
attribute calcification_rate long_name String Calcification Rate
attribute calcification_rate units String grams per centimeter per year (g cm-2 yr-1)

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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