ERDDAP > info > bcodmo_dataset_738833

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Acces- sible	Title	Sum- mary	ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
		data	graph		files	public	Experimental observations of radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide		I   M	background			BCO-DMO	bcodmo_dataset_738833

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	Basically, the humic acids (HAs) from different soils were isolated and further purified according to an alkaline extraction method from the International Humic Substance Society (IHSS) (Xu et al., 2011). Briefly, the dried soil was pre-treated with a 1 M HCl solution to separate the supernatant (i.e., fulvic acid) from the soil, followed by the addition of 0.1 M KOH under N2 purging and 0.3 M K+, as KCl. Then, the supernatant was acidified to pH of 1.0 using 6 M HCl to precipitate HAs, which were pelleted by centrifugation and then suspended in a 0.1 M HCl/0.3 M HF solution overnight for five times to minimize ash content. After HF digestion, Milli-Q water was used to wash HA with the purpose of minimizing ions. HA characterization data were previously reported elsewhere (Fujitake et al., 2012) and on IHSS website ([http://humic- substances.org/13c-nmr-estimates-of-carbon-distribution-in-...](\\"http ://humic-substances.org/13c-nmr-estimates-of-carbon-distribution-in-ihss- samples/\\")).\u00a0 The HA-groundwater suspension batch experiments were conducted basically similar to a previously reported procedure (Xu et al., 2014). In brief, 5-6 mg of the purified HAs were pre-equilibrated in artificial groundwater in the centrifuge tubes for 48 h at room temperature (20 \u00baC) to reach the dissolution equilibrium, since the HAs were extraceted under pH < 1 but the pH of artificial groundwater is 5.5. Then, ~50 Bq of each gamma emitting radionuclide, including 234Th, 237Np-233Pa, 210Pb, 7Be and 59Fe was added to the HA-groundwater slurry to a final volume of 4 mL. The radiolabeled HA- groundwater slurry was then mixed continuously for 7 days in the dark with an end-over-end mixer to ensure that quasi-equilibrium was attained15. After one- week period, particulate (>0.45 \u00b5m), colloidal (3 kDa to 0.45 \u00b5m), and truly dissolved (<3 kDa) phases were size fractionationated by using 0.45 \u00b5m centrifugal filter tubes followed by ultrafiltration with 3 kDa Microsep centrifugal filter tubes (Millipore). Each fraction was collected for the measurement of radionuclide activity and organic matter concentrations. All the size fractions, including the particulate, colloidal and truly dissolved phases were corrected to the same volume and geometry for the counting of 234Th, 233Pa, 237Np, 210Pb, 7Be and 59Fe activity concentrations by a Canberra ultrahigh purity germanium well gamma detector. Concentrations of organic carbon and nitrogen in the colloidal and truly dissolved fractions were determined using a Shimadzu TOC-L analyzer. The organic carbon and nitrogen concentrations in the particulate phase of the HA- groundwater suspension were calculated as the difference between the total carbon/nitrogen contents of the added HAs and the sum of colloidal and truly dissolved phases.\u00a0
attribute	NC_GLOBAL	awards_0_award_nid	String	735995
attribute	NC_GLOBAL	awards_0_award_number	String	OCE-1356453
attribute	NC_GLOBAL	awards_0_data_url	String	http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1356453
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	Henrietta N Edmonds
attribute	NC_GLOBAL	awards_0_program_manager_nid	String	51517
attribute	NC_GLOBAL	cdm_data_type	String	Other
attribute	NC_GLOBAL	comment	String	Radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide PI: Peter H. Santschi Version: 2018-05-15 Notes: "-" denotes data not available due to the undetectable activity in particulate (>0.45 um) or truly dissolved phases (<3 kDa). "nd" indicates AVG and STD were not computed for those observations "AVG" = average "STD" = standard deviation
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/
attribute	NC_GLOBAL	data_source	String	extract_data_as_tsv version 2.3 19 Dec 2019
attribute	NC_GLOBAL	date_created	String	2018-06-19T14:30:06Z
attribute	NC_GLOBAL	date_modified	String	2019-04-01T16:23:56Z
attribute	NC_GLOBAL	defaultDataQuery	String	&amp;time&lt;now
attribute	NC_GLOBAL	doi	String	10.1575/1912/bco-dmo.738833.1
attribute	NC_GLOBAL	infoUrl	String	https://www.bco-dmo.org/dataset/738833
attribute	NC_GLOBAL	institution	String	BCO-DMO
attribute	NC_GLOBAL	instruments_0_acronym	String	Shimadzu TOC-L
attribute	NC_GLOBAL	instruments_0_dataset_instrument_description	String	Concentrations of organic carbon and nitrogen in the colloidal and truly dissolved fractions were determined using a Shimadzu TOC-L analyzer.
attribute	NC_GLOBAL	instruments_0_dataset_instrument_nid	String	739032
attribute	NC_GLOBAL	instruments_0_description	String	A Shimadzu TOC-L Analyzer measures DOC by high temperature combustion method. Developed by Shimadzu, the 680 degree C combustion catalytic oxidation method is now used worldwide. One of its most important features is the capacity to efficiently oxidize hard-to-decompose organic compounds, including insoluble and macromolecular organic compounds. The 680 degree C combustion catalytic oxidation method has been adopted for the TOC-L series. http://www.shimadzu.com/an/toc/lab/toc-l2.html
attribute	NC_GLOBAL	instruments_0_instrument_external_identifier	String	http://onto.nerc.ac.uk/CAST/124.html
attribute	NC_GLOBAL	instruments_0_instrument_name	String	Shimadzu TOC-L Analyzer
attribute	NC_GLOBAL	instruments_0_instrument_nid	String	527277
attribute	NC_GLOBAL	instruments_0_supplied_name	String	Shimadzu TOC-L analyzer
attribute	NC_GLOBAL	instruments_1_dataset_instrument_description	String	Beckman Coulter Allegra X-12 centrifuge
attribute	NC_GLOBAL	instruments_1_dataset_instrument_nid	String	738844
attribute	NC_GLOBAL	instruments_1_description	String	A machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities (e.g., cream from milk) or liquids from solids.
attribute	NC_GLOBAL	instruments_1_instrument_name	String	Centrifuge
attribute	NC_GLOBAL	instruments_1_instrument_nid	String	629890
attribute	NC_GLOBAL	instruments_1_supplied_name	String	Beckman Coulter Allegra X-12 centrifuge
attribute	NC_GLOBAL	instruments_2_dataset_instrument_description	String	Canberra ultrahigh purity germanium well gamma detector Model GCW3024
attribute	NC_GLOBAL	instruments_2_dataset_instrument_nid	String	738841
attribute	NC_GLOBAL	instruments_2_description	String	Instruments measuring the relative levels of electromagnetic radiation of different wavelengths in the gamma-ray waveband.
attribute	NC_GLOBAL	instruments_2_instrument_name	String	Gamma Ray Spectrometer
attribute	NC_GLOBAL	instruments_2_instrument_nid	String	670659
attribute	NC_GLOBAL	instruments_2_supplied_name	String	Canberra ultrahigh purity germanium well gamma detector
attribute	NC_GLOBAL	keywords	String	bco, bco-dmo, biological, carbon, chemical, coc, col, col_210Pb, col_233Pa, col_234Th, col_237Np, col_59Fe, col_7Be, con, data, dataset, dmo, erddap, HA_ID, kdc, land, Land_use, log, logKd_210Pb, logKd_233Pa, logKd_234Th, logKd_237Np, logKd_59Fe, logKd_7Be, logKdc_210Pb, logKdc_233Pa, logKdc_234Th, logKdc_237Np, logKdc_59Fe, logKdc_7Be, management, oceanography, office, order, organic, part, part_210Pb, part_233Pa, part_234Th, part_237Np, part_59Fe, part_7Be, particulate, pcnt, pcnt_COC, pcnt_CON, pcnt_PN, pcnt_POC, poc, preliminary, sample, Sample_ID, site, soil, Soil_Order, use
attribute	NC_GLOBAL	license	String	https://www.bco-dmo.org/dataset/738833/license
attribute	NC_GLOBAL	metadata_source	String	https://www.bco-dmo.org/api/dataset/738833
attribute	NC_GLOBAL	param_mapping	String	{'738833': {}}
attribute	NC_GLOBAL	parameter_source	String	https://www.bco-dmo.org/mapserver/dataset/738833/parameters
attribute	NC_GLOBAL	people_0_affiliation	String	Texas A&M, Galveston
attribute	NC_GLOBAL	people_0_affiliation_acronym	String	TAMUG
attribute	NC_GLOBAL	people_0_person_name	String	Peter Santschi
attribute	NC_GLOBAL	people_0_person_nid	String	735998
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	Texas A&M, Galveston
attribute	NC_GLOBAL	people_1_affiliation_acronym	String	TAMUG
attribute	NC_GLOBAL	people_1_person_name	String	Antonietta Quigg
attribute	NC_GLOBAL	people_1_person_nid	String	736000
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	Texas A&M, Galveston
attribute	NC_GLOBAL	people_2_affiliation_acronym	String	TAMUG
attribute	NC_GLOBAL	people_2_person_name	String	Kathleen Schwehr
attribute	NC_GLOBAL	people_2_person_nid	String	736002
attribute	NC_GLOBAL	people_2_role	String	Co-Principal Investigator
attribute	NC_GLOBAL	people_2_role_type	String	originator
attribute	NC_GLOBAL	people_3_affiliation	String	Texas A&M, Galveston
attribute	NC_GLOBAL	people_3_affiliation_acronym	String	TAMUG
attribute	NC_GLOBAL	people_3_person_name	String	Chen Xu
attribute	NC_GLOBAL	people_3_person_nid	String	736004
attribute	NC_GLOBAL	people_3_role	String	Co-Principal Investigator
attribute	NC_GLOBAL	people_3_role_type	String	originator
attribute	NC_GLOBAL	people_4_affiliation	String	Woods Hole Oceanographic Institution
attribute	NC_GLOBAL	people_4_affiliation_acronym	String	WHOI BCO-DMO
attribute	NC_GLOBAL	people_4_person_name	String	Mathew Biddle
attribute	NC_GLOBAL	people_4_person_nid	String	708682
attribute	NC_GLOBAL	people_4_role	String	BCO-DMO Data Manager
attribute	NC_GLOBAL	people_4_role_type	String	related
attribute	NC_GLOBAL	project	String	Biopolymers for radionuclides
attribute	NC_GLOBAL	projects_0_acronym	String	Biopolymers for radionuclides
attribute	NC_GLOBAL	projects_0_description	String	NSF Award Abstract: Particle-associated natural radioisotopes are transported to the ocean floor mostly via silica and carbonate ballasted particles, allowing their use as tracers for particle transport. Th(IV), Pa (IV,V), Po(IV), Pb(II) and Be(II) radionuclides are important proxies in oceanographic investigations, used for tracing particle and colloid cycling, estimating export fluxes of particulate organic carbon, tracing air-sea exchange, paleoproductivity, and/or ocean circulation in paleoceanographic studies. Even though tracer approaches are considered routine, there are cases where data interpretation or validity has become controversial, largely due to uncertainties about inorganic proxies and organic carrier molecules. Recent studies showed that cleaned diatom frustules and pure silica particles, sorb natural radionuclides to a much lower extent (by 1-2 orders of magnitude) than whole diatom cells (with or without shells). Phytoplankton that build siliceous or calcareous shells, such as the diatoms and coccolithophores, are assembled via bio-mineralization processes using biopolymers as nanoscale templates. These templates could serve as possible carriers for radionuclides and stable metals. In this project, a research team at the Texas A & M University at Galveston hypothesize that radionuclide sorption is controlled by selective biopolymers that are associated with biogenic opal (diatoms), CaCO3 (coccolithophores) and the attached exopolymeric substances (EPS), rather than to pure mineral phase. To pursue this idea, the major objectives of their research will include separation, identification and molecular-level characterization of the individual biopolymers (e.g., polysaccharides, uronic acids, proteins, hydroquinones, hydroxamate siderophores, etc.) that are responsible for binding different radionuclides (Th, Pa, Pb, Po and Be) attached to cells or in the matrix of biogenic opal or CaCO3 as well as attached EPS mixture, in laboratory grown diatom and coccolithophore cultures. Laboratory-scale radiolabeling experiments will be conducted, and different separation techniques and characterization techniques will be applied. Intellectual Merit : It is expected that this study will help elucidate the molecular basis of the templated growth of diatoms and coccoliths, EPS and their role in scavenging natural radionuclides in the ocean, and help resolve debates on the oceanographic tracer applications of different natural radioisotopes (230,234Th, 231Pa, 210Po, 210Pb and 7,10Be). The proposed interdisciplinary research project will require instrumental approaches for molecular-level characterization of these radionuclides associated carrier molecules. Broader Impacts: The results of this study will be relevant for understanding biologically mediated ocean scavenging of radionuclides by diatoms and coccoliths which is important for carbon cycling in the ocean, and will contribute to improved interpretation of data obtained by field studies especially through the GEOTRACES program. This new program will enhance training programs at TAMUG for postdocs, graduate and undergraduate students. Lastly, results will be integrated in college courses and out-reach activities at Texas A&M University, including NSF-REU, Sea Camp, Elder Hostel and exhibits at the local science fair and interaction with its after-school program engaging Grade 9-12 students from groups traditionally underrepresented.
attribute	NC_GLOBAL	projects_0_end_date	String	2018-02
attribute	NC_GLOBAL	projects_0_name	String	Biopolymers as carrier phases for selected natural radionuclides (of Th, Pa, Pb, Po, Be) in diatoms and coccolithophores
attribute	NC_GLOBAL	projects_0_project_nid	String	735996
attribute	NC_GLOBAL	projects_0_start_date	String	2014-03
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	summary	String	The uptake and binding of six particle-reactive and/or redox-sensitive radionuclides (210Pb, 234Th, 7Be, 59Fe, 237Np and 233Pa) with different organic functionalities of three size fractions.
attribute	NC_GLOBAL	title	String	Experimental observations of radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide
attribute	NC_GLOBAL	version	String	1
attribute	NC_GLOBAL	xml_source	String	osprey2erddap.update_xml() v1.3
variable	No		byte
attribute	No	_FillValue	byte	127
attribute	No	actual_range	byte	1, 14
attribute	No	bcodmo_name	String	Site_Desig
attribute	No	description	String	site number
attribute	No	long_name	String	No
attribute	No	units	String	unitless
variable	HA_ID		String
attribute	HA_ID	bcodmo_name	String	sample_descrip
attribute	HA_ID	description	String	Sample description
attribute	HA_ID	long_name	String	HA ID
attribute	HA_ID	units	String	unitless
variable	Site		String
attribute	Site	bcodmo_name	String	site
attribute	Site	description	String	Name of site.
attribute	Site	long_name	String	Site
attribute	Site	units	String	unitless
variable	Soil_Order		String
attribute	Soil_Order	bcodmo_name	String	sample_descrip
attribute	Soil_Order	description	String	Soil Order
attribute	Soil_Order	long_name	String	Soil Order
attribute	Soil_Order	units	String	unitless
variable	Land_use		String
attribute	Land_use	bcodmo_name	String	site_descrip
attribute	Land_use	description	String	Land use description
attribute	Land_use	long_name	String	Land Use
attribute	Land_use	units	String	unitless
variable	Sample_ID		String
attribute	Sample_ID	bcodmo_name	String	sample
attribute	Sample_ID	description	String	Identifier for the sample
attribute	Sample_ID	long_name	String	Sample ID
attribute	Sample_ID	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/ACYC/
attribute	Sample_ID	units	String	unitless
variable	part_210Pb		byte
attribute	part_210Pb	_FillValue	byte	127
attribute	part_210Pb	actual_range	byte	9, 99
attribute	part_210Pb	bcodmo_name	String	radioactive_isotope_conc
attribute	part_210Pb	description	String	Particulate activity percentage for Lead 210
attribute	part_210Pb	long_name	String	Part 210 Pb
attribute	part_210Pb	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_210Pb	units	String	unitless
variable	part_234Th		byte
attribute	part_234Th	_FillValue	byte	127
attribute	part_234Th	actual_range	byte	0, 92
attribute	part_234Th	bcodmo_name	String	radioactive_isotope_conc
attribute	part_234Th	description	String	Particulate activity percentage for Thorium 234
attribute	part_234Th	long_name	String	Part 234 Th
attribute	part_234Th	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_234Th	units	String	unitless
variable	part_7Be		byte
attribute	part_7Be	_FillValue	byte	127
attribute	part_7Be	actual_range	byte	10, 100
attribute	part_7Be	bcodmo_name	String	radioactive_isotope_conc
attribute	part_7Be	description	String	Particulate activity percentage for Beryllium 7
attribute	part_7Be	long_name	String	Part 7 Be
attribute	part_7Be	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_7Be	units	String	unitless
variable	part_59Fe		byte
attribute	part_59Fe	_FillValue	byte	127
attribute	part_59Fe	actual_range	byte	12, 99
attribute	part_59Fe	bcodmo_name	String	radioactive_isotope_conc
attribute	part_59Fe	description	String	Particulate activity percentage for Iron 59
attribute	part_59Fe	long_name	String	Part 59 Fe
attribute	part_59Fe	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_59Fe	units	String	unitless
variable	part_237Np		byte
attribute	part_237Np	_FillValue	byte	127
attribute	part_237Np	actual_range	byte	14, 80
attribute	part_237Np	bcodmo_name	String	radioactive_isotope_conc
attribute	part_237Np	description	String	Particulate activity percentage for Neptunium 237
attribute	part_237Np	long_name	String	Part 237 Np
attribute	part_237Np	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_237Np	units	String	unitless
variable	part_233Pa		byte
attribute	part_233Pa	_FillValue	byte	127
attribute	part_233Pa	actual_range	byte	12, 94
attribute	part_233Pa	bcodmo_name	String	radioactive_isotope_conc
attribute	part_233Pa	description	String	Particulate activity percentage for Protactinium 233
attribute	part_233Pa	long_name	String	Part 233 Pa
attribute	part_233Pa	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	part_233Pa	units	String	unitless
variable	col_210Pb		byte
attribute	col_210Pb	_FillValue	byte	127
attribute	col_210Pb	actual_range	byte	0, 79
attribute	col_210Pb	bcodmo_name	String	radioactive_isotope_conc
attribute	col_210Pb	description	String	Colloidal activity percentage for Lead 210
attribute	col_210Pb	long_name	String	Col 210 Pb
attribute	col_210Pb	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_210Pb	units	String	unitless
variable	col_234Th		byte
attribute	col_234Th	_FillValue	byte	127
attribute	col_234Th	actual_range	byte	8, 100
attribute	col_234Th	bcodmo_name	String	radioactive_isotope_conc
attribute	col_234Th	description	String	Colloidal activity percentage for Thorium 234
attribute	col_234Th	long_name	String	Col 234 Th
attribute	col_234Th	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_234Th	units	String	unitless
variable	col_7Be		byte
attribute	col_7Be	_FillValue	byte	127
attribute	col_7Be	actual_range	byte	0, 69
attribute	col_7Be	bcodmo_name	String	radioactive_isotope_conc
attribute	col_7Be	description	String	Colloidal activity percentage for Beryllium 7
attribute	col_7Be	long_name	String	Col 7 Be
attribute	col_7Be	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_7Be	units	String	unitless
variable	col_59Fe		byte
attribute	col_59Fe	_FillValue	byte	127
attribute	col_59Fe	actual_range	byte	1, 79
attribute	col_59Fe	bcodmo_name	String	radioactive_isotope_conc
attribute	col_59Fe	description	String	Colloidal activity percentage for Iron 59
attribute	col_59Fe	long_name	String	Col 59 Fe
attribute	col_59Fe	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_59Fe	units	String	unitless
variable	col_237Np		byte
attribute	col_237Np	_FillValue	byte	127
attribute	col_237Np	actual_range	byte	11, 78
attribute	col_237Np	bcodmo_name	String	radioactive_isotope_conc
attribute	col_237Np	description	String	Colloidal activity percentage for Neptunium 237
attribute	col_237Np	long_name	String	Col 237 Np
attribute	col_237Np	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_237Np	units	String	unitless
variable	col_233Pa		byte
attribute	col_233Pa	_FillValue	byte	127
attribute	col_233Pa	actual_range	byte	5, 49
attribute	col_233Pa	bcodmo_name	String	radioactive_isotope_conc
attribute	col_233Pa	description	String	Colloidal activity percentage for Protactinium 233
attribute	col_233Pa	long_name	String	Col 233 Pa
attribute	col_233Pa	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P02/current/WRAD/
attribute	col_233Pa	units	String	unitless
variable	logKd_210Pb		float
attribute	logKd_210Pb	_FillValue	float	NaN
attribute	logKd_210Pb	actual_range	float	0.88, 4.99
attribute	logKd_210Pb	bcodmo_name	String	unknown
attribute	logKd_210Pb	description	String	partitioning coefficient (logKd) for Lead 210
attribute	logKd_210Pb	long_name	String	Log Kd 210 Pb
attribute	logKd_210Pb	units	String	unitless
variable	logKd_234Th		float
attribute	logKd_234Th	_FillValue	float	NaN
attribute	logKd_234Th	actual_range	float	0.5, 3.99
attribute	logKd_234Th	bcodmo_name	String	unknown
attribute	logKd_234Th	description	String	partitioning coefficient (logKd) for Thorium 234
attribute	logKd_234Th	long_name	String	Log Kd 234 Th
attribute	logKd_234Th	units	String	unitless
variable	logKd_7Be		float
attribute	logKd_7Be	_FillValue	float	NaN
attribute	logKd_7Be	actual_range	float	0.98, 5.23
attribute	logKd_7Be	bcodmo_name	String	unknown
attribute	logKd_7Be	description	String	partitioning coefficient (logKd) for Beryllium 7
attribute	logKd_7Be	long_name	String	Log Kd 7 Be
attribute	logKd_7Be	units	String	unitless
variable	logKd_59Fe		float
attribute	logKd_59Fe	_FillValue	float	NaN
attribute	logKd_59Fe	actual_range	float	0.8, 5.03
attribute	logKd_59Fe	bcodmo_name	String	unknown
attribute	logKd_59Fe	description	String	partitioning coefficient (logKd) for Iron 59
attribute	logKd_59Fe	long_name	String	Log Kd 59 Fe
attribute	logKd_59Fe	units	String	unitless
variable	logKd_237Np		float
attribute	logKd_237Np	_FillValue	float	NaN
attribute	logKd_237Np	actual_range	float	0.39, 3.48
attribute	logKd_237Np	bcodmo_name	String	unknown
attribute	logKd_237Np	description	String	partitioning coefficient (logKd) for Neptunium 237
attribute	logKd_237Np	long_name	String	Log Kd 237 Np
attribute	logKd_237Np	units	String	unitless
variable	logKd_233Pa		float
attribute	logKd_233Pa	_FillValue	float	NaN
attribute	logKd_233Pa	actual_range	float	0.31, 4.11
attribute	logKd_233Pa	bcodmo_name	String	unknown
attribute	logKd_233Pa	description	String	partitioning coefficient (logKd) for Protactinium 233
attribute	logKd_233Pa	long_name	String	Log Kd 233 Pa
attribute	logKd_233Pa	units	String	unitless
variable	logKdc_210Pb		float
attribute	logKdc_210Pb	_FillValue	float	NaN
attribute	logKdc_210Pb	actual_range	float	0.6, 5.81
attribute	logKdc_210Pb	bcodmo_name	String	unknown
attribute	logKdc_210Pb	description	String	partitioning coefficient in colloidal fraction (logKdc) for Lead 210
attribute	logKdc_210Pb	long_name	String	Log Kdc 210 Pb
attribute	logKdc_210Pb	units	String	unitless
variable	logKdc_234Th		float
attribute	logKdc_234Th	_FillValue	float	NaN
attribute	logKdc_234Th	actual_range	float	0.55, 6.0
attribute	logKdc_234Th	bcodmo_name	String	unknown
attribute	logKdc_234Th	description	String	partitioning coefficient in colloidal fraction (logKdc) for Thorium 234
attribute	logKdc_234Th	long_name	String	Log Kdc 234 Th
attribute	logKdc_234Th	units	String	unitless
variable	logKdc_7Be		float
attribute	logKdc_7Be	_FillValue	float	NaN
attribute	logKdc_7Be	actual_range	float	0.36, 5.82
attribute	logKdc_7Be	bcodmo_name	String	unknown
attribute	logKdc_7Be	description	String	partitioning coefficient in colloidal fraction (logKdc) for Beryllium 7
attribute	logKdc_7Be	long_name	String	Log Kdc 7 Be
attribute	logKdc_7Be	units	String	unitless
variable	logKdc_59Fe		float
attribute	logKdc_59Fe	_FillValue	float	NaN
attribute	logKdc_59Fe	actual_range	float	0.65, 5.93
attribute	logKdc_59Fe	bcodmo_name	String	unknown
attribute	logKdc_59Fe	description	String	partitioning coefficient in colloidal fraction (logKdc) for Iron 59
attribute	logKdc_59Fe	long_name	String	Log Kdc 59 Fe
attribute	logKdc_59Fe	units	String	unitless
variable	logKdc_237Np		float
attribute	logKdc_237Np	_FillValue	float	NaN
attribute	logKdc_237Np	actual_range	float	0.63, 5.5
attribute	logKdc_237Np	bcodmo_name	String	unknown
attribute	logKdc_237Np	description	String	partitioning coefficient in colloidal fraction (logKdc) for Neptunium 237
attribute	logKdc_237Np	long_name	String	Log Kdc 237 Np
attribute	logKdc_237Np	units	String	unitless
variable	logKdc_233Pa		float
attribute	logKdc_233Pa	_FillValue	float	NaN
attribute	logKdc_233Pa	actual_range	float	0.74, 5.69
attribute	logKdc_233Pa	bcodmo_name	String	unknown
attribute	logKdc_233Pa	description	String	partitioning coefficient in colloidal fraction (logKdc) for Protactinium 233
attribute	logKdc_233Pa	long_name	String	Log Kdc 233 Pa
attribute	logKdc_233Pa	units	String	unitless
variable	POC		short
attribute	POC	_FillValue	short	32767
attribute	POC	actual_range	short	163, 743
attribute	POC	bcodmo_name	String	POC
attribute	POC	description	String	Concentration of Particulate Organic Carbon (POC) after one week HAs-groundwater resuspension
attribute	POC	long_name	String	Particulate Organic Carbon
attribute	POC	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/CORGCAP1/
attribute	POC	units	String	miligrams per liter (mg/L)
variable	PN		byte
attribute	PN	_FillValue	byte	127
attribute	PN	actual_range	byte	11, 78
attribute	PN	bcodmo_name	String	Total Particulate Nitrogen
attribute	PN	description	String	Concentration of Particulate Nitrogen (PN) after one week HAs-groundwater resuspension
attribute	PN	long_name	String	PN
attribute	PN	units	String	miligrams per liter (mg/L)
variable	COC		short
attribute	COC	_FillValue	short	32767
attribute	COC	actual_range	short	45, 532
attribute	COC	bcodmo_name	String	unknown
attribute	COC	description	String	Concentration of Colloidal Organic Carbon (COC) after one week HAs-groundwater resuspension
attribute	COC	long_name	String	COC
attribute	COC	units	String	miligrams per liter (mg/L)
variable	CON		byte
attribute	CON	_FillValue	byte	127
attribute	CON	actual_range	byte	0, 54
attribute	CON	bcodmo_name	String	unknown
attribute	CON	description	String	Concentration of Colloidal Organic Nitrogen (CON) after one week HAs-groundwater resuspension
attribute	CON	long_name	String	CON
attribute	CON	units	String	miligrams per liter (mg/L)
variable	pcnt_POC		byte
attribute	pcnt_POC	_FillValue	byte	127
attribute	pcnt_POC	actual_range	byte	23, 94
attribute	pcnt_POC	bcodmo_name	String	POC
attribute	pcnt_POC	description	String	Percentage of Particulate Organic Carbon (POC) after one week HAs-groundwater resuspension
attribute	pcnt_POC	long_name	String	Pcnt POC
attribute	pcnt_POC	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/CORGCAP1/
attribute	pcnt_POC	units	String	unitless
variable	pcnt_PN		byte
attribute	pcnt_PN	_FillValue	byte	127
attribute	pcnt_PN	actual_range	byte	26, 100
attribute	pcnt_PN	bcodmo_name	String	Total Particulate Nitrogen
attribute	pcnt_PN	description	String	Percentage of Particulate Nitrogen (PN) after one week HAs-groundwater resuspension
attribute	pcnt_PN	long_name	String	PCNT PN
attribute	pcnt_PN	units	String	unitless
variable	pcnt_COC		byte
attribute	pcnt_COC	_FillValue	byte	127
attribute	pcnt_COC	actual_range	byte	6, 77
attribute	pcnt_COC	bcodmo_name	String	unknown
attribute	pcnt_COC	description	String	Percentage of Colloidal Organic Carbon (COC) after one week HAs-groundwater resuspension
attribute	pcnt_COC	long_name	String	Pcnt COC
attribute	pcnt_COC	units	String	unitless
variable	pcnt_CON		byte
attribute	pcnt_CON	_FillValue	byte	127
attribute	pcnt_CON	actual_range	byte	0, 74
attribute	pcnt_CON	bcodmo_name	String	unknown
attribute	pcnt_CON	description	String	Percentage of Colloidal Organic Nitrogen (CON) after one week HAs-groundwater resuspension
attribute	pcnt_CON	long_name	String	Pcnt CON
attribute	pcnt_CON	units	String	unitless

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.