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GCE-LTER Data Set Summary

Accession: POR-IRMA-2001 Research Theme: Pore-water Chemistry (Research Study)
Contributors: Merryl Alber, Dontrece Smith, Alyssa Peterson, Jacob Shalack, Brendan Manley
Title: Porewater measurements of dissolved nutrients (ammonia, nitrate/nitrite, phosphate) from core monitoring sites in the GCE-LTER domain following hurricane Irma from October 2017 to October 2018.
Abstract: To access the effect of hurricane Irma on the GCE domain, porewater samples were collected to evaluate porewater nutrient concentrations at four core GCE monitoring sites (7, 8, 9 and 11). A limited number of samples were collected in October 2017 (a month after the storm surge from hurricane Irma hit the east coast of the United States) and then all sites were sampled in Nov 2017 and in Jan, Feb, Apr and Oct 2018. Porewater samples were obtained from approximately 10 cm depth using Rhizon samplers and then analyzed for ammonium, nitrate + nitrite, and phosphate concentrations.
DOI: 10.6073/pasta/9a1feebcd4bbe75c57e57a3f73a36c6f
Key Words: Altamaha River, ammonium, dissolved nutrients, GCE, GCE11, GCE7, GCE8, GCE9, IRMA, LTER, marshes, nitrate, nitrite, nitrogen, phosphate, porewater, tidal forest
LTER Core Area: Disturbance Patterns
Research Themes: Pore-water Chemistry, General Nutrient Chemistry
Study Period: 16-Oct-2017 to 22-Oct-2018
Study Sites:
GCE7 -- Carrs Island, Georgia, USA
GCE8 -- Alligator Creek, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE11 -- Tidal Forest, Georgia, USA
» Download Geographic Coverage: Google Earth
Research Protocols:

SIEL Protocol for colorimetric analysis of phosphate (UGA Stable Isotope Ecology Laboratory)
Downloads: Information

Data Table: POR-IRMA-2001 (Main data table for data set POR-IRMA-2001, 161 records)

Access: Public (released 30-Jan-2020)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [9.76kb],  Text File [8.77kb],  MATLAB (GCE Toolbox) [26.07kb],  MATLAB (Variables) [34.48kb],  Text Report [42.91kb]

Column List:(hide)

Column Name Units Type Description
1 Year YYYY integer Year of observation
2 Month MM integer Month of observation
3 Day DD integer Day of observation
4 Site none string GCE LTER sampling site
5 Zone none string Marsh zone
6 Plot none integer Permanent plot number
7 Nitrate ppb floating-point Nitrate as N
8 Phosphate ppb floating-point Phosphate as P
9 Ammonium ppb floating-point Ammonium as N
10 Duplicate none integer Indication of duplicate measurement
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Alber, Merryl. 2020. Porewater measurements of dissolved nutrients (ammonia, nitrate/nitrite, phosphate) from core monitoring sites in the GCE-LTER domain following hurricane Irma from October 2017 to October 2018. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/9a1feebcd4bbe75c57e57a3f73a36c6f

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. 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.