Data Package Metadata View Summary

Porewater nutrient concentrations from control plots at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem LTER, MA.

General Information

Data Package:

Local Identifier:

knb-lter-pie.126.14

Title:

Porewater nutrient concentrations from control plots at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem LTER, MA.

Alternate Identifier:

DOI PLACE HOLDER

Abstract:

Porewater samples from a Spartina alterniflora-dominated salt marsh on the Rowley River in the Plum Island Ecosystem (PIE) LTER site were analyzed for ammonium, phosphate, sulfide and salinity concentrations.

Purpose:

Short Name:

LTE-MP-LAC-porewatermeans

Publication Date:

2021-11-09

Language:

English

For more information:
Visit:	https://pie-lter.ecosystems.mbl.edu/content/nutrient-concentrations-porewater-samples-spartina-alterniflora-dominated-salt-marsh-laws-po
Visit:	DOI PLACE HOLDER

Time Period

Begin:

1999-06-01

End:

2021-10-31

People and Organizations
Contact:	Plum Island Ecosystems LTER
Creator:	Morris, Jim
Creator:	Sundberg, Karen
Associate:	Daoust, Rob

Data Entities
Data Table Name:	LTE-MP-LAC-porewatermeans_csv
Description:	Nutrient concentrations from porewater samples at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem, MA.
Other Name:	LTE-MP-LAC-porewatermeans_xls
Description:	Excel metadata and data file associated with the csv data source file. Excel file after downloading is to be used for adding/editing new metadata and data.

Detailed Metadata

Data Entities

Data Table

Data:

https://pasta-s.lternet.edu/package/data/eml/knb-lter-pie/126/14/2cf62beca7044b3e24972c8a3a41ac53

Name:

LTE-MP-LAC-porewatermeans_csv

Description:

Nutrient concentrations from porewater samples at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem, MA.

Number of Records:

114

Number of Columns:

Methods and protocols used in the collection of this data package

Description:

Table Structure

Object Name:

LTE-MP-LAC-porewatermeans.csv

Size:

8812

Authentication:

2ab6756df48f97910f827d8d2517d1dd Calculated By MD5

Authentication:

bd086608383fae88a6f9c4db23037e75ca850356 Calculated By SHA-1

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:

Table Column Descriptions

SITE

YEAR

MONTH

DAY

Salinity

L1 (SALINITY)

L2 (SALINITY)

NH4

L1 (NH4)

L2 (NH4)

PO4

L1 (PO4)

L2 (PO4)

L1 (S2)

L2 (S2)

Column Name:

SITE

YEAR

MONTH

DAY

Salinity

L1 (SALINITY)

L2 (SALINITY)

NH4

L1 (NH4)

L2 (NH4)

PO4

L1 (PO4)

L2 (PO4)

L1 (S2)

L2 (S2)

Definition:

name of sampling station

year

month

day

Salinity ppt

lower limit; 95% confidence interval; ppt

upper limit; 95% confidence interval; ppt

ammonium concentration, uM-N

lower limit; 95% confidence interval; NH4, uM-N

upper limit; 95% confidence interval; NH4, uM-N

phosphate concentration, uM-P

lower limit; 95% confidence interval; PO4, uM-P

upper limit; 95% confidence interval; PO4, uM-P

sulfide concentration, uM-S

lower limit; 95% confidence interval; S2, uM-S

upper limit; 95% confidence interval; S2, uM-S

Storage Type:

string

date

Measurement Type:

nominal

dateTime

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	LAC
Definition	Laws Point Alterniflora Control
Source

Format	YYYY
Precision

Format	MM
Precision

Format	DD
Precision

Unit	partPerThousand
Type	real

Unit	partPerThousand
Type	real

Unit	partPerThousand
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Unit	micromolePerLiter
Type	real

Missing Value Code:

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Code	.
Expl	missing value
Code	BD
Expl	below detection

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Non-Categorized Data Resource

Name:

LTE-MP-LAC-porewatermeans_xls

Entity Type:

document

Description:

Excel metadata and data file associated with the csv data source file. Excel file after downloading is to be used for adding/editing new metadata and data.

Physical Structure Description:

Object Name:

LTE-MP-LAC-porewatermeans.xls

Size:

127488

Authentication:

2226ec1ae939afb0acc4d8e7c17ead60 Calculated By MD5

Authentication:

b662caba275648056f5cfe6dc8cd319605bd765c Calculated By SHA-1

Externally Defined Format:

Format Name:

application/vnd.ms-excel

Data:

https://pasta-s.lternet.edu/package/data/eml/knb-lter-pie/126/14/ebb7fa56894ccac87c3c74b6d0827c08

Data Package Usage Rights

Data Policies

PIE LTER Data Use Agreement

This work is licensed under the Creative Commons Attribution 4.0 International License, CC BY - Attribution. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

The re-use of scientific data has the potential to greatly increase communication, collaboration and synthesis within and among disciplines, and thus is fostered, supported and encouraged. Permission to use this dataset is granted to the Data User free of charge subject to the following terms:

1) Citation. It is considered a matter of professional ethics to acknowledge the work of other scientists. Thus, the Data User will properly cite the Data Set in any publications or in the metadata of any derived data products that were produced using the Data Set. Citation should take the following general form: Creator, Year of Data Publication, Title of Dataset, Publisher, Dataset identifier.
For example: Giblin, Anne; Hopkinson, Charles (2000): Rates of benthic metabolism and nutrient cycling in the Parker and Rowley Rivers of the Plum Island Sound estuary. Plum Island Ecosystems LTER, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/17fa8b4fef50c7b85cac3d61482a7cb6
2) Acknowledgement. The Data User should acknowledge any institutional support or specific funding awards referenced in the metadata accompanying this dataset in any publications where the Data Set contributed significantly to its content. Acknowledgements should identify the supporting party, the party that received the support, and any identifying information such as grant numbers. The Data User should contact the Data Set Contact to ensure the appropriate Granting Programs are acknowledged.
For example: Data sets were provided by the Plum Island Ecosystems LTER. This material is based upon funding supported by the National Science Foundation under Grants #OCE-9726921, OCE-0423565, OCE-1058747, OCE-1238212, OCE-1637630.
3) Notification. The Data User will notify the Data Set Contact when any derivative work or publication based on or derived from the Data Set is distributed. The Data User will provide the data contact with two reprints of any publications resulting from use of the Data Set and will provide copies, or on-line access to, any derived digital products. Notification will include an explanation of how the Data Set was used to produce the derived work.
4) Collaboration. The Data Set has been released in the spirit of open scientific collaboration. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator.
5) Disclaimer. While substantial efforts are made to ensure the accuracy of data and documentation contained in this Data Set, complete accuracy of data and metadata cannot be guaranteed. All data and metadata are made available "as is". The Data User holds all parties involved in the production or distribution of the Data Set harmless for damages resulting from its use or interpretation.

Keywords

By Thesaurus:
Core Areas	Inorganic Nutrients
LTER Controlled Vocabulary	estuaries, salt marshes, Northeast United States, Rowley River, Spartina alterniflora, inorganic nutrients, chloride, ammonium, phosphate, sulfide, porewater, Massachusetts, PIE LTER, Plum Island Ecosystems

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

General:
This data set is part of an on-going LTER project at the Plum Island Ecosystem (PIE) site.   The sampling location is in a Spartina alterniflora-dominated marsh at Law's Point between the Rowley River and West Creek in Rowley MA. 
Sampling Description:
Triplicate porewater diffusion samplers were permanently installed in control plots on the marsh platform in a Spartina alterniflora-dominated salt marsh.  Each sampler collects porewater from depths of 10, 25, 50, 75, and 100 cm.  Samples are retrieved  approximately monthly from May through October.  Porewater samples are either filtered (0.45 uM) and preserved with HCl (for PO4 and NH4) or preserved unfiltered with ZnAc (for sulfides) either in the field or immediately upon return from the field.  These samples are then shipped to the lab in SC.  Porewater collection began in June 1999.  In May 2006 the Control porewater plots were relocated  due to potential contamination from fertilized plots. 
Lab Methods:
Filtered porewater samples are analyzed for PO4 and NH4 according to standard laboratory protocols (Strickland and Parsons 1972) and for chloride concentrations by coulometric titration using a Haake-Buchler chloridometer.  Unfiltered, preserved porewater samples are analyzed for sulfide concentrations colorimetrically (Cline 1969).  Salinity was calculated from chloride concentrations of filtered porewater samples (by coulometric titration using a Haake-Buchler chloridometer) before August 2020.  Beginning in August 2020, salinity was measured using an EXTECH EC600 conductivity meter.
Numerical Processing:
Data are reported as geometric means of sample concentrations from 3 depths within the root zone (10, 25, and 50 cm), and the  95% confidence interval, for 3 replicate samplers (n=9 per time).  Statistics were computed using SAS (SAS System for Windows; release 8.02; SAS Institute, Inc; Cary, NC).
Elevation:
LTE-MP-LPA, ~ 1.17 meters NAVD88

Description:

These methods, instrumentation, and/or protocols apply to the data table LTE-MP-LAC-porewatermeans_csv:

Methods and protocols used in the collection of this data package

Description:

People and Organizations

Publishers:

Organization:

Environmental Data Initiative

Email Address:

info@environmentaldatainitiative.org

Web Address:

https://environmentaldatainitiative.org

Id:

https://ror.org/0330j0z60

Creators:

Individual:

Jim Morris

Address:

Bell Baruch Institute for Marine and Coastal Sciences, University of South Carolina,

Columbia, SC 29208 US

Phone:

(803) 777-5288 (voice)

Phone:

(803) 777-4002 (facsimile)

Email Address:

morris@inlet.geol.sc.edu

Web Address:

http://research.cas.sc.edu/morris/

Individual:

Karen Sundberg

Address:

Baruch Marine Field Lab, University of South Carolina,

Georgetown, SC US

Phone:

(843) 904-9037 (voice)

Email Address:

sundberg@biol.sc.edu

Contacts:

Organization:

Plum Island Ecosystems LTER

Web Address:

http://pie-lter.ecosystems.mbl.edu/

Associated Parties:

Individual:

Rob Daoust

Address:

Email Address:

unknown10@mbl.edu

Role:

associated researcher

Metadata Providers:

Organization:

Plum Island Ecosystems LTER

Web Address:

http://pie-lter.ecosystems.mbl.edu/

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

1999-06-01

End:

2021-10-31

Sampling Site:

Description:

Law's Point on Rowley River, Rowley, MA, site of PIE LTER Spartina alterniflora plot level fertilization experiment.

Site Coordinates:

Longitude (degree):

-70.842468261719

Latitude (degree):

42.731742858887

Project

Parent Project Information:

Title:

Plum Island Ecosystems Long Term Ecological Research (PIE LTER IV, 2016-2022)

Personnel:

Individual:

Anne Giblin

Address:

Marine Biological Lab, 7 MBL Street,

Woods Hole, MA 02543 US

Phone:

(508) 289-7488 (voice)

Phone:

(508) 457-1548 (facsimile)

Email Address:

agiblin@mbl.edu

Id:

http://orcid.org/0000-0003-3851-2178

Role:

principalInvestigator

Individual:

Wilfred Wollheim

Address:

WSAG Institute for the Study of Earth, Oceans, and Space,Morse Hall, Room 452, 8 College Road,

Durham, NH 03824 US

Phone:

(603) 862-0812 (voice)

Email Address:

Wil.Wollheim@unh.edu

Id:

http://orcid.org/0000-0002-5009-3212

Role:

principalInvestigator

Individual:

Jim Morris

Address:

Bell Baruch Institute for Marine and Coastal Sciences, University of South Carolina,

Columbia, SC 29208 US

Phone:

(803) 777-5288 (voice)

Phone:

(803) 777-4002 (facsimile)

Email Address:

morris@inlet.geol.sc.edu

Web Address:

http://research.cas.sc.edu/morris/

Role:

principalInvestigator

Individual:

Nathaniel Weston

Address:

Department of Geography and the Environment ,Villanova University, 800 Lancaster Avenue,

Villanova, PA 19085 US

Phone:

(610) 519-8009 (voice)

Email Address:

nathaniel.weston@villanova.edu

Id:

http://orcid.org/0000-0002-6837-360X

Role:

principalInvestigator

Individual:

Linda Deegan

Address:

Woodwell Climate Research Center,

Falmouth, MA 02540 US

Phone:

508-444-1557 (voice)

Email Address:

ldeegan@woodwellclimate.org

Id:

http://orcid.org/0000-0002-1017-9599

Role:

principalInvestigator

Individual:

Joe Vallino

Address:

Marine Biological Laboratory, 7 MBL Street,

Woods Hole, MA 02543 US

Phone:

(508) 289-7648 (voice)

Phone:

(508) 457-1548 (facsimile)

Email Address:

jvallino@mbl.edu

Id:

http://orcid.org/0000-0002-4184-4512

Role:

principalInvestigator

Individual:

Robert Pontius

Address:

Clark University, School of Geography, 950 Main Street,

Worcester, MA 01610 US

Phone:

(508) 793-7761 (voice)

Phone:

(508) 793-8881 (facsimile)

Email Address:

rpontius@clarku.edu

Id:

http://orcid.org/0000-0001-7287-5875

Role:

principalInvestigator

Individual:

Jarrett Byrnes

Address:

University of Massachusetts, College of Science and Mathematics,100 Morrissey Blvd,

Boston, MA 02125 US

Phone:

(617) 287-3145 (voice)

Email Address:

Jarrett.Byrnes@umb.edu

Id:

http://orcid.org/0000-0002-9791-9472

Role:

principalInvestigator

Abstract:

The Plum Island Ecosystems (PIE) LTER is developing a predictive understanding of the response of a linked watershed-marsh-estuarine system in northeastern Massachusetts to rapid environmental change. Over the last 30 years, surface sea water temperatures in the adjacent Gulf of Maine have risen at 3 times the global average, rates of sea-level rise have accelerated, and precipitation has increased. Coupled with these changes in climate and sea level are substantial changes within the rapidly urbanizing watersheds that influence water, sediment, and nutrient delivery to the marsh and estuary. In PIE IV our focus is on: Dynamics of coastal ecosystems in a region of rapid climate change, sea-level rise, and human impacts.

NSF OCE LTER-Plum Island Ecosystems:
Dynamics of coastal ecosystems in a region of rapid climate change, sea-level rise, and human impacts.

Funding:

1637630

Maintenance

Maintenance:

Description:

Collections occur approximately every month from May through October.
Database is updated once annually, usually in the winter.
Study and data collection are ongoing as of Dec 2021.
Version 01; new data and metadata
Version 02; new data and metadata
Version 03: February 2, 2012, updated data and metadata to Oct 2011. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 2/1/12 5:00 PM for QA/QC to EML 2.1.0
Version 04: August 8, 2013, data and metadata updated to comply with importation to Drupal and LTER PASTA. Research location name and description updated.Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 3/14/13 12:02 PM for QA/QC to EML 2.1.0
Version 05: April 23, 2014, 2013 data and metadata updated to comply with importation to Drupal and LTER PASTA.Used MarcrosExportEML_HTML (working)pie_excel2007_Sep2013.xlsm 9/30/13 02:57 PM for QA/QC to EML 2.1.0
Version 06: February 18, 2015, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jan2015.xlsm 1/15/15 4:26 PM for QA/QC to EML 2.1.0
Version 07: February 24, 2016, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jan2015.xlsm 1/15/15 4:26 PM for QA/QC to EML 2.1.0
Version 08: September 15, 2017, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jun2017.xlsm 6/15/17 10:23 AM for QA/QC to EML 2.1.0
Version 09: September 15, 2017, edited multiple missing value code issues, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jun2017.xlsm 6/15/17 10:23 AM for QA/QC to EML 2.1.0
Version 10: June 14, 2018, data and metadata updated to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jan2018.xlsm 1/30/2018 2:24 PM for QA/QC to EML 2.1.0
Version 11: February 27, 2019, data and metadata updates to comply with importation to DEIMS7 and LTER Data Portal. Used MarcrosExportEML_HTML (working)pie_excel2007_Jan2018.xlsm 6/21/18 3:53 PM for QA/QC to EML 2.1.0
Version 12: October 2, 2020, data and metadata updates to comply with importation to DEIMS7 and LTER Data Portal. Used MarcrosExportEML_HTML (working)pie_excel2007_Sep2020.xlsm 9/17/20 1:11 PM for QA/QC to EML 2.1.0.
Version 13: July 27, 2021, data and metadata updates to comply with importation to DEIMS7 and LTER Data Portal. Used MarcrosExportEML_HTML (working)pie_excel2007_Jul2021.xlsm 7/26/2021 9:04 AM for QA/QC to EML 2.1.0.
Version 14: 09 November 2021, Updated data and metadata. Used MarcrosExportEML_HTML (working)pie_excel2007_Jul2021.xlsm 7/26/2021 9:04 AM for QA/QC to EML 2.1.0.

Frequency:

Other Metadata

Additional Metadata

additionalMetadata
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        |     |     |___element 'unit' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unit')
        |     |     |     |  \___attribute 'id' = 'partPerThousand'
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        |     |     |     |  \___attribute 'abbreviation' = 'µmol/L'
        |     |     |     |  \___attribute 'constantToSI' = '0'
        |     |     |     |  \___attribute 'id' = 'micromolePerLiter'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.000001'
        |     |     |     |  \___attribute 'name' = 'micromolePerLiter'
        |     |     |     |  \___attribute 'parentSI' = 'molarity'
        |     |     |     |  \___attribute 'unitType' = 'amountOfSubstanceConcentration'
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        |     |     |     |     |___text 'micromoles per liter of solution'
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Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

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Data Package Metadata View Summary

Porewater nutrient concentrations from control plots at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem LTER, MA.

Data Entities

Data Table

Non-Categorized Data Resource

Data Package Usage Rights

Data Policies

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

These methods, instrumentation, and/or protocols apply to the data table LTE-MP-LAC-porewatermeans_csv:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Additional Metadata

Recently Added

Recently Updated

Data Package Metadata View Summary

Porewater nutrient concentrations from control plots at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem LTER, MA.

+/- Data Entities

Data Table

Non-Categorized Data Resource

+/- Data Package Usage Rights

Data Policies

+/- Keywords

+/- Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

These methods, instrumentation, and/or protocols apply to the data table LTE-MP-LAC-porewatermeans_csv:

+/- People and Organizations

+/- Temporal, Geographic and Taxonomic Coverage

+/- Project

Parent Project Information:

+/- Maintenance

+/- Additional Metadata

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance

Additional Metadata