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   set  data   graph     files  public Bulk sediment organic matter composition of three marsh ponds in PIE-LTER (Rowley, MA) from
2014.
   ?     I   M   background (external link) RSS BCO-DMO bcodmo_dataset_738169

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 The three ponds are located in the high marsh (1.43-1.46 m above North
American Vertical Datum of 1988) of the Plum Island Ecosystems \u2013 Long
Term Ecological Research (PIE-LTER) site. Surface sediments were collected
weekly for TOC, TN, \u03b413C, and \u03b415N (June 25-August 13 and November
11-25, 2014). Cores (5 cm diameter x 2 cm deep) were collected from three 1 m2
quadrats placed at random locations along two crisscrossing transects in each
pond. Sediments were combined in combusted glass vials to form composite
samples and stored (-80 \u2103) until analysis. sediment samples were prepared
for elemental and isotopic analyses by drying to constant mass (60 \u00b0C),
homogenizing with a Retsch Mixer Mill 200 (plants and sediments), and fuming
with hydrochloric (HCl) acid to remove carbonates (Hedges and Stern 1984).
Analyses were performed by the Stable Isotope Laboratory at the Marine
Biological Laboratory (Woods Hole, MA). Isotopic data are reported in the
conventional \u03b4-notation in units of per mil (\u2030).
attribute NC_GLOBAL awards_0_award_nid String 529582
attribute NC_GLOBAL awards_0_award_number String OCE-1233678
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1233678 (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 Dr 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 Bulk sediment organic matter composition
A. Spivak, PI
Version 5 June 2018
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 2.2d 13 Jun 2019
attribute NC_GLOBAL date_created String 2018-06-05T20:13:51Z
attribute NC_GLOBAL date_modified String 2018-07-17T18:35:41Z
attribute NC_GLOBAL defaultDataQuery String &time
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.738169.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/738169 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String IR Mass Spec
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Extracted and analyzed concentrations
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 738176
attribute NC_GLOBAL instruments_0_description String The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB16/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Isotope-ratio Mass Spectrometer
attribute NC_GLOBAL instruments_0_instrument_nid String 469
attribute NC_GLOBAL instruments_0_supplied_name String Isotope mass spectrometer
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Used to collect sediment samples
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 738360
attribute NC_GLOBAL instruments_1_description String Capable of being performed in numerous environments, push coring is just as it sounds. Push coring is simply pushing the core barrel (often an aluminum or polycarbonate tube) into the sediment by hand. A push core is useful in that it causes very little disturbance to the more delicate upper layers of a sub-aqueous sediment.

Description obtained from: http://web.whoi.edu/coastal-group/about/how-we-work/field-methods/coring/
attribute NC_GLOBAL instruments_1_instrument_name String Push Corer
attribute NC_GLOBAL instruments_1_instrument_nid String 628287
attribute NC_GLOBAL instruments_1_supplied_name String Corer
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, d13, d13C, d15, d15N, data, dataset, dmo, earth, Earth Science > Oceans > Sea Surface Topography > Sea Surface Height, erddap, height, level, management, ocean, oceanography, oceans, office, pond, preliminary, science, sea, sea level, sea_surface_height, season, statistics, surface, Tide, toc, topography, type, week
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String 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.
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/738169 (external link)
attribute NC_GLOBAL param_mapping String {'738169': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/738169/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 Amanda Spivak
attribute NC_GLOBAL people_0_person_nid String 529580
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 Hannah Ake
attribute NC_GLOBAL people_1_person_nid String 650173
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 Eutrophication Effects on Sediment Metabolism and Benthic Algal-bacterial Coupling: An Application of Novel Techniques in a LTER Estuary
attribute NC_GLOBAL projects_0_acronym String benthic_PP_at_TIDE
attribute NC_GLOBAL projects_0_description String Extracted from the NSF award abstract:
This project will address how rates of benthic microalgal production respond to eutrophication and geomorphological changes in human-impacted tidal creeks. Excess nutrient loading increases benthic algal biomass and likely stimulates production rates but the magnitude of nutrient and geomorphological effects on rates of production is unknown. Will changes in benthic algal productivity affect algal-bacterial coupling? Furthermore, how is algal-bacterial coupling affected by geomorphological changes, which may be exacerbated by excess nutrient loading but can also occur in pristine marshes?
This project will take advantage of the infrastructure of the TIDE project, a long-term saltmarsh eutrophication experiment at the Plum Island Ecosystem - Long Term Ecological Research site in Northeastern Massachusetts. Specifically, the PIs will measure benthic metabolism and examine algal- bacterial coupling in fertilized and ambient nutrient tidal creeks in the first field season. The following field season, they will compare sediment metabolism and carbon dynamics on slumped tidal creek walls (i.e. areas where low marsh has collapsed into the tidal creek) to that on the bottom of tidal creeks. In both years, gross and net production will be determined using an innovative triple oxygen isotope technique and traditional dissolved oxygen and inorganic carbon flux measurements. Comparisons between these methods will be useful in informing studies of sediment metabolism. Lipid biomarkers will be used to characterize the sources of organic matter to creek sediments, and stable isotope analysis of bacterial specific biomarkers to identify the sources of organic carbon utilized by sediment bacteria. The biomarkers will reveal whether sediment bacteria use organic matter substrates, such as benthic microalgal carbon, selectively or in proportion to availability. Overall, results from the proposed study will provide important information about how sediment carbon dynamics in shallow tidal creeks respond to long term eutrophication. Furthermore, findings will enhance understanding of the role of tidal creeks in coastal biogeochemistry.
attribute NC_GLOBAL projects_0_end_date String 2015-08
attribute NC_GLOBAL projects_0_geolocation String Plum Island Estuary, Rowley Massachusetts
attribute NC_GLOBAL projects_0_name String Eutrophication Effects on Sediment Metabolism and Benthic Algal-bacterial Coupling: An Application of Novel Techniques in a LTER Estuary
attribute NC_GLOBAL projects_0_project_nid String 529583
attribute NC_GLOBAL projects_0_start_date String 2012-09
attribute NC_GLOBAL publisher_name String Hannah Ake
attribute NC_GLOBAL publisher_role String BCO-DMO Data Manager(s)
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL subsetVariables String Type
attribute NC_GLOBAL summary String Bulk sediment organic matter composition of three high marsh ponds within PIE-LTER. Data were collected over 11 weeks in the summer and fall of 2014.
attribute NC_GLOBAL title String Bulk sediment organic matter composition of three marsh ponds in PIE-LTER (Rowley, MA) from 2014.
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5-beta
variable season   String  
attribute season description String Season at time of sampling
attribute season ioos_category String Unknown
attribute season long_name String Season
attribute season units String unitless
variable Tide   String  
attribute Tide colorBarMaximum double 2.0
attribute Tide colorBarMinimum double -2.0
attribute Tide description String Tide type
attribute Tide ioos_category String Sea Level
attribute Tide long_name String Sea Surface Height
attribute Tide units String unitless
variable Week   byte  
attribute Week _FillValue byte 127
attribute Week actual_range byte 1, 11
attribute Week description String Week number
attribute Week ioos_category String Unknown
attribute Week long_name String Week
attribute Week units String unitless
variable Pond   byte  
attribute Pond _FillValue byte 127
attribute Pond actual_range byte 1, 3
attribute Pond description String Site number
attribute Pond ioos_category String Unknown
attribute Pond long_name String Pond
attribute Pond units String unitless
variable Type   String  
attribute Type description String Type of sample; sediment
attribute Type ioos_category String Unknown
attribute Type long_name String Type
attribute Type units String unitless
variable TOC   float  
attribute TOC _FillValue float NaN
attribute TOC actual_range float 7.08, 19.5
attribute TOC description String Percent total organic carbon
attribute TOC ioos_category String Unknown
attribute TOC long_name String TOC
attribute TOC units String percent
variable d13C   float  
attribute d13C _FillValue float NaN
attribute d13C actual_range float -17.4, -14.4
attribute d13C description String d13C in per mil
attribute d13C ioos_category String Unknown
attribute d13C long_name String D13 C
attribute d13C units String per mil
variable TN   float  
attribute TN _FillValue float NaN
attribute TN actual_range float 0.73, 1.93
attribute TN description String Percent total nitrogen
attribute TN ioos_category String Unknown
attribute TN long_name String TN
attribute TN units String percent
variable d15N   float  
attribute d15N _FillValue float NaN
attribute d15N actual_range float 0.0, 2.8
attribute d15N description String d15N in units of per mil
attribute d15N ioos_category String Statistics
attribute d15N long_name String D15 N
attribute d15N units String per mill

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


 
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