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     data   graph     files  public Raw benthic chlorophyll and phaeophytin data from cores collected in Massachusetts from 2012-
2015.
   ?     I   M   background (external link) RSS BCO-DMO bcodmo_dataset_669652

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 Sediment samples for organic matter composition were collected by placing a
hard plastic sleeve around a polyvinyl chloride (PVC)\u00a0corer\u00a0(5 cm
diameter x 15 cm deep) and then removing the\u00a0corer. The plastic sleeve
remained in place to maintain the integrity of the sediment column and mark
the core location (Spivak 2015). The top 0.5 cm of each core was collected
into pre-combusted vials and frozen (-80 deg C) until analysis for total
organic carbon and nitrogen content and stable isotopes (d13C, d15N) and lipid
biomarker composition. Adjacent samples for benthic chlorophyll were collected
with smaller cores (1.5 cm diameter x 1 cm deep) into glass vials and frozen
(-20 deg C) until analysis. Additional sediment cores for organic matter
composition and benthic chlorophyll were collected 4, 8, 24, and 48 h after
the\u00a013C-labeled NaHCO3\u00a0was applied in June, August, and October and
4, 8, 24, and 144h after the\u00a013C-
labeled\u00a0S.\u00a0alterniflora\u00a0was applied in August.\u00a0 Benthic
chlorophyll was determined per methods described by Neubauer et al. (2000).

References:

Spivak, AC and J Ossolinski. 2016. Limited effects of nutrient enrichment on
bacterial carbon sources in salt marsh tidal creek sediments. Marine Ecology
Progress Series. 544:107-130.10.3354/meps11587
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 Sediment Chlorophyll Data
Amanda Spivak, PI
Version 8 December 2016
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 2016-12-10T00:39:31Z
attribute NC_GLOBAL date_modified String 2019-04-05T17:26:53Z
attribute NC_GLOBAL defaultDataQuery String &time
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.669652.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/669652 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Used to collect core samples
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 669658
attribute NC_GLOBAL instruments_0_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_0_instrument_name String Push Corer
attribute NC_GLOBAL instruments_0_instrument_nid String 628287
attribute NC_GLOBAL instruments_0_supplied_name String Core
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, chemistry, chla, chla_phaeo, chlorophyll, chlorophyll-a, color, concentration, concentration_of_chlorophyll_in_sea_water, data, dataset, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, erddap, estuary, experiment, identifier, logchla, logphaeo, management, month, ocean, ocean color, oceanography, oceans, office, phaeo, plot, preliminary, sample, sampleID, science, sea, seawater, time, timepoint, water
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/669652 (external link)
attribute NC_GLOBAL param_mapping String {'669652': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/669652/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 summary String Raw benthic chlorophyll and phaeophytin data from cores collected in Massachusetts from 2012-2015.
attribute NC_GLOBAL title String Raw benthic chlorophyll and phaeophytin data from cores collected in Massachusetts from 2012-2015.
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5-beta
variable month   byte  
attribute month _FillValue byte 127
attribute month actual_range byte 6, 10
attribute month description String Samping month; mm
attribute month ioos_category String Time
attribute month long_name String Month
attribute month units String unitless
variable estuary   String  
attribute estuary description String Estuary where sampling occurred
attribute estuary ioos_category String Unknown
attribute estuary long_name String Estuary
attribute estuary units String unitless
variable plot   String  
attribute plot description String Plot ID
attribute plot ioos_category String Unknown
attribute plot long_name String Plot
attribute plot units String unitless
variable timepoint   String  
attribute timepoint description String Timepoint refers to when the sample was collected before (PL) or after the 13C-isotope label was added
attribute timepoint ioos_category String Time
attribute timepoint long_name String Timepoint
attribute timepoint units String unitless
variable experiment   String  
attribute experiment description String Experiment refers to whether the 13C label was applied as benthic microalgae (BMA) or Spartina alterniflora (salt) detritus.
attribute experiment ioos_category String Unknown
attribute experiment long_name String Experiment
attribute experiment units String unitless
variable sampleID   String  
attribute sampleID description String Sample ID number
attribute sampleID ioos_category String Identifier
attribute sampleID long_name String Sample ID
attribute sampleID units String unitless
variable chla   float  
attribute chla _FillValue float NaN
attribute chla actual_range float 0.63, 17.69
attribute chla colorBarMaximum double 30.0
attribute chla colorBarMinimum double 0.03
attribute chla colorBarScale String Log
attribute chla description String Benthic chlorophyll concentration
attribute chla ioos_category String Ocean Color
attribute chla long_name String Concentration Of Chlorophyll In Sea Water
attribute chla units String ug cm-2
variable phaeo   float  
attribute phaeo _FillValue float NaN
attribute phaeo actual_range float 2.01, 42.78
attribute phaeo description String Phaeophytin concentration
attribute phaeo ioos_category String Unknown
attribute phaeo long_name String Phaeo
attribute phaeo units String ug cm-2
variable logchla   float  
attribute logchla _FillValue float NaN
attribute logchla actual_range float -0.2, 1.25
attribute logchla description String Log 10 benthic chlorophyll concentration
attribute logchla ioos_category String Ocean Color
attribute logchla long_name String Logchla
attribute logchla units String log
variable logphaeo   float  
attribute logphaeo _FillValue float NaN
attribute logphaeo actual_range float 0.3, 1.63
attribute logphaeo description String Log 10 phaeophytin concentration
attribute logphaeo ioos_category String Unknown
attribute logphaeo long_name String Logphaeo
attribute logphaeo units String log
variable chla_phaeo   double  
attribute chla_phaeo _FillValue double NaN
attribute chla_phaeo actual_range double 0.289389068, 0.413556109
attribute chla_phaeo colorBarMaximum double 30.0
attribute chla_phaeo colorBarMinimum double 0.03
attribute chla_phaeo colorBarScale String Log
attribute chla_phaeo description String Ratio of chlorphyll to phaeophytin concentrations
attribute chla_phaeo ioos_category String Ocean Color
attribute chla_phaeo long_name String Concentration Of Chlorophyll In Sea Water
attribute chla_phaeo units String ug cm-2

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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