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Title Sum-
Institution Dataset ID
   set  data   graph     files  public Sediment cores (Wood Fall project)    ?     I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_714506

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
attribute NC_GLOBAL acquisition_description String See description of ROV coring method in the related publications.

attribute NC_GLOBAL awards_0_award_nid String 713951
attribute NC_GLOBAL awards_0_award_number String OCE-1634586
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1634586 (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 Michael E. Sieracki
attribute NC_GLOBAL awards_0_program_manager_nid String 50446
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Information for sediment cores collected by ROV Global Explorer on PE17_22 (Wood Fall project)
PIs: Craig R. MCClain (LUMCON) and Seth D. Newsome (UNM)
Contact: Clifton C. Nunnally (LUMCON)
Version: 2017-09-15

All missing data denoted with nd. NA refers to a data field that is not applicable.
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 2017-09-08T19:44:02Z
attribute NC_GLOBAL date_modified String 2019-06-12T17:17:04Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.714506.1
attribute NC_GLOBAL geospatial_vertical_max double 2180.0
attribute NC_GLOBAL geospatial_vertical_min double 1419.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/714506 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 714509
attribute NC_GLOBAL instruments_0_instrument_name String ROV Global Explorer
attribute NC_GLOBAL instruments_0_instrument_nid String 714229
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Elevator used was a aluminum work basket suspended from the vessel’s winch. The elevator was special build for PI McClain by Theriot Machine Works (Chauvin, LA). The basket is rectangular in shape with an A-frame frame pick point and 2 independent doors on either side of A-frame.  Total length is 1.96 meters, width of basket is 1.33 meters and height of basket enclosure is 0.96 meters.  Maximum height at pick point is 1.85 meters.  The basket lids on either side of the a-frame swivel on dual hinges and open fully to touch the a-frame where they are held in place by attached magnetic strips.  Each lid has a width of 1.25 meters and a depth of 0.765 meters.
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 716633
attribute NC_GLOBAL instruments_1_description String A platform used to carry equipment and sampled from the surface to the seafloor and back up again.
attribute NC_GLOBAL instruments_1_instrument_name String Benthic elevator
attribute NC_GLOBAL instruments_1_instrument_nid String 714940
attribute NC_GLOBAL instruments_1_supplied_name String McClain benthic elevator
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, core, core_id, core_no, core_type, data, dataset, date, date_sorted, depth, dive, dmo, erddap, experiment, group, group_number, management, number, oceanography, office, operated, preliminary, remotely, rov, rov_dive, site, sorted, sorter, time, type, vessel
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/714506/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/714506 (external link)
attribute NC_GLOBAL param_mapping String {'714506': {'depth': 'master - depth'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/714506/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Louisiana Universities Marine Consortium
attribute NC_GLOBAL people_0_affiliation_acronym String LUMCON
attribute NC_GLOBAL people_0_person_name String Dr Craig McClain
attribute NC_GLOBAL people_0_person_nid String 713955
attribute NC_GLOBAL people_0_role String Lead Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String University of New Mexico
attribute NC_GLOBAL people_1_affiliation_acronym String UNM
attribute NC_GLOBAL people_1_person_name String Dr Seth D. Newsome
attribute NC_GLOBAL people_1_person_nid String 713957
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String Louisiana Universities Marine Consortium
attribute NC_GLOBAL people_2_affiliation_acronym String LUMCON
attribute NC_GLOBAL people_2_person_name String Dr Clifton C. Nunnally
attribute NC_GLOBAL people_2_person_nid String 713960
attribute NC_GLOBAL people_2_role String Contact
attribute NC_GLOBAL people_2_role_type String related
attribute NC_GLOBAL people_3_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_3_person_name String Megan Switzer
attribute NC_GLOBAL people_3_person_nid String 708683
attribute NC_GLOBAL people_3_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL project String Wood Fall
attribute NC_GLOBAL projects_0_acronym String Wood Fall
attribute NC_GLOBAL projects_0_description String Changes in both terrestrial and marine carbon production under climate change necessitate an understanding of how ecological communities are structured by carbon availability, which has long been recognized as a predictor of biodiversity. Recent research indicates global marine phytoplankton production may have declined at a rate of ~1% of the global median per year. Regional-scale changes have been more heterogeneous; with the equatorial Pacific Ocean experiencing overall declines of over 50% the last decade and Polar Regions experiencing increases of comparable magnitude. Clearly, there is a strong need for a more complete understanding of the relationship between biodiversity and carbon availability to better predict the consequences of current and forthcoming climate change on marine ecosystems. One challenge is that determinants of available carbon in natural systems are diverse and often unidentifiable. Wood-fall communities in the deep sea are an ideal experimental system for testing many theories about carbon availability and biodiversity. First, the amount of carbon available to the community can be precisely manipulated in the form of wood mass. Second, flows of carbon from wood through the community can be easily tracked because animals supported by wood have distinct chemical signatures that can be traced with stable isotope analysis. Finally, the entire community associated with a wood fall can be sampled, allowing for accurate estimates of biodiversity, biomass, and energy flow. For these reasons, study of deep-sea wood falls provides accurate and simultaneous quantification of standing stock, diversity, and trophic structure as a function of energy availability. Through the use of ROV/submersible-deployed wood falls, the project will test how changes in carbon availability impact marine biodiversity. The results of this project will be beneficial to science in several ways. First, the project contributes significantly to climate change and biodiversity research and specifically to knowledge of the underexplored deep oceans. The project also creates abundant opportunities for public outreach. The multifaceted approach includes: employing web podcasts and blogs; sharing results through photographic exhibitions; and actively recruiting from minority-serving institutions while also providing visiting lectureships. Further, the project will recruit and train young scientists in underrepresented groups, and impact multiple audiences from primary education students, science instructors, and the general public.
The goal of this project is to identify the interactions in energetic processes that regulate community structure, using ROV/submersible-deployed wood falls. Wood will be deployed in varying sizes to control the amount of chemical energy added to the community, and of different wood densities to examine assembly rules while examining total quantity and concentration of resources. This approach will allow the investigators to examining energetic tradeoffs is that multiple impacts, hypotheses, and theories of varying carbon availability on biodiversity can be evaluated simultaneously. The amount of carbon in the community can be precisely manipulated, an improvement over prior studies. The impact of the rate of carbon uptake on ecological processes will also be examined here, but has been rarely evaluated. This research will also reveal much about wood-fall biomes in the deep sea, one of the least studied systems in the ocean. For example, the project will reveal the relative importance different carbon pathways in exporting wood energy and controlling biodiversity.
attribute NC_GLOBAL projects_0_end_date String 2017-08
attribute NC_GLOBAL projects_0_geolocation String Northern Gulf of Mexico Continental Slope
attribute NC_GLOBAL projects_0_name String The energetic assembly of biological communities: a test with deep-sea woodfalls
attribute NC_GLOBAL projects_0_project_nid String 713952
attribute NC_GLOBAL projects_0_start_date String 2016-10
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 standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String core_type
attribute NC_GLOBAL summary String Sediment cores (Wood Fall project)
attribute NC_GLOBAL title String Sediment cores (Wood Fall project)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable rov_dive   String  
attribute rov_dive bcodmo_name String dive_id
attribute rov_dive description String Number and letter designation of ROV and dive number for deployment.  GE refers to Oceaneering's Global Explorer.  NA designates no ROV used.
attribute rov_dive long_name String Rov Dive
attribute rov_dive units String dimensionless
variable site   String  
attribute site bcodmo_name String site
attribute site description String Number and letter designation of ROV and dive number for deployment.  GE refers to Oceaneering's Global Explorer.  NA designates no ROV used.
attribute site long_name String Site
attribute site units String dimensionless
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 1419.0, 2180.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Depth of coring site in meters
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable core_no   String  
attribute core_no bcodmo_name String sample_descrip
attribute core_no description String Number designation of core tube
attribute core_no long_name String Core No
attribute core_no units String dimensionless
variable date   String  
attribute date bcodmo_name String date
attribute date description String Date of core collection in the format YYYY-MM-DD
attribute date long_name String Date
attribute date nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute date source_name String date
attribute date time_precision String 1970-01-01
attribute date units String unitless
variable experiment   String  
attribute experiment bcodmo_name String exp_type
attribute experiment description String Type of experiment the cores were taken for.  wf background is for wood-fall deployment background macrofaunal analysis.  patch mosaic is for analyzing fine-scale turnover in composition.  DWH impacts refers to cores taken around the Deep-Water Horizon well head and rig site.
attribute experiment long_name String Experiment
attribute experiment units String dimensionless
variable sorter   String  
attribute sorter bcodmo_name String sample_descrip
attribute sorter description String Sorter is the person who sorted macrofaunal from core sample.  Gholson is Sara Gholson an undergraduate REU student in the summer of 2017.  Landry is Chase Landry undergraduate researcher from Nicholls/Fletcher.
attribute sorter long_name String Sorter
attribute sorter units String dimensionless
variable date_sorted   String  
attribute date_sorted bcodmo_name String date
attribute date_sorted description String Date when macrofaunal sorting was finished from the core. in the format YYYY-MM-DD.
attribute date_sorted long_name String Date Sorted
attribute date_sorted nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute date_sorted units String unitless
variable core_type   String  
attribute core_type bcodmo_name String sample_descrip
attribute core_type description String Core type used from the ROV. Okeanos cores were rented from Okeanus Science and Technology in Houma, LA and were 9.575 cm in diameter.
attribute core_type long_name String Core Type
attribute core_type units String dimensionless
variable core_id   String  
attribute core_id bcodmo_name String sample_descrip
attribute core_id description String Combination identifier of rov dive and core number. Used to link to other sheets.
attribute core_id long_name String Core Id
attribute core_id units String dimensionless
variable group_number   byte  
attribute group_number _FillValue byte 127
attribute group_number actual_range byte 1, 3
attribute group_number bcodmo_name String sample_descrip
attribute group_number colorBarMaximum double 100.0
attribute group_number colorBarMinimum double 0.0
attribute group_number description String Designates which clusters the cores were taken in
attribute group_number long_name String Group Number
attribute group_number units String dimensionless

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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