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GCE-LTER Data Set Summary
Accession:
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NUT-GCEM-1609
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Research Theme:
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General Nutrient Chemistry (Monitoring)
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Contributors:
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Merryl Alber, Joan Sheldon, Adam Sapp
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Title:
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Long-term water quality monitoring in the Altamaha, Doboy and Sapelo sounds and the Duplin River near Sapelo Island, Georgia from November 2013 to December 2022
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Abstract:
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Water samples were collected on Georgia Coastal Ecosystems LTER oceanographic monitoring cruises from November 2012 through December 2022. Monthly samples were collected from GCE 6 (high and low tide) and GCE 7 (high tide). Quarterly samples were collected from the remaining GCE sites and AL-02, the Altamaha River oceanic end-member station. Concentrations of the following were measured using standard analytical methods: dissolved nutrients (phosphate, nitrate+nitrite, ammonium, silicate), dissolved organics (carbon, nitrogen, phosphorus) and particulate carbon and nitrogen, chlorophyll, phaeopigments, total suspended solids and loss on ignition.
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DOI:
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10.6073/pasta/363bba6a61a14f2f696fbd3961fd36a8
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Key Words:
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Altamaha Sound, ammonia, carbon to nitrogen ratio, chlorophyll a, dissolved nutrients, dissolved organic carbon, Doboy Sound, Duplin River, estuaries, nitrate, nitrite, phosphate, River Nutrient Sampling, Sapelo Sound, suspended solids, total nitrogen, water quality
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LTER Core Area:
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Inorganic Matter, Organic Matter
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Research Themes:
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GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, General Nutrient Chemistry, Chemistry, Organic Matter/Decomposition, Phytoplankton Productivity |
Study Period:
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01-Nov-2013 to 31-Dec-2022
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Study Sites:
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GCE1 -- Eulonia, Georgia, USA
GCE2 -- Four Mile Island, Georgia, USA
GCE3 -- North Sapelo, Sapelo Island, Georgia, USA
GCE4 -- Meridian, Georgia, USA
GCE5 -- Folly River, Georgia, USA
GCE6 -- Dean Creek, Sapelo Island, Georgia, USA
GCE7 -- Carrs Island, Georgia, USA
GCE8 -- Alligator Creek, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE10 -- Hunt Camp, Sapelo Island, Georgia, USA
GCE11 -- Tidal Forest, Georgia, USA
GCE-SP -- Sapelo River, Georgia, USA
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
GCE-DP -- Duplin River, Georgia, USA
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Project References:
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GCE water quality monitoring |
Research Protocols:
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SIEL Protocol for colorimetric analysis of ammonium (UGA Stable Isotope Ecology Laboratory)
SIEL protocol for colorimetric analysis of Nitrate-Nitrite Nitrogen from EPA Method 353.2 (UGA Stable Isotope Ecology Laboratory)
SIEL Protocol for colorimetric analysis of phosphate (UGA Stable Isotope Ecology Laboratory)
GCE Cruise Sampling Protocol (Georgia Coastal Ecosystems LTER)
Persulfate Digest for Water Total Nitrogen and Total Phosphorous (UGA Stable Isotope Ecology Laboratory)
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Publications:
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Peterson, R.N., Meile, C., Peterson, L., Carter, M. and Miklesh, D.M. 2019. Groundwater discharge dynamics into a salt marsh tidal river. Estuarine, Coastal and Shelf Science. 218:324-333. (DOI: 10.1016/j.ecss.2019.01.007)
Burns, C., Alexander, C.R. Jr. and Alber, M. 2020. Assessing long-term trends in lateral salt-marsh shoreline change along a U.S. East Coast latitudinal gradient. Journal of Coastal Research. 37(2):291-301. (DOI: 10.2112/JCOASTRES-D-19-00043.1)
Burns, C., Alber, M. and Alexander, C.R. Jr. 2020. Historical Changes in the Vegetated Area of Salt Marshes. Estuaries and Coasts. (DOI: https://doi.org/10.1007/s12237-020-00781-6)
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Downloads:
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Data Table: NUT-GCEM-1609 (Main data table for data set NUT-GCEM-1609, 791 records)
Access: Public (released 01-Apr-2018)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [127.44kb], Text File [128.13kb], MATLAB (GCE Toolbox) [121.25kb], MATLAB (Variables) [126.27kb], Text Report [174.88kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Date |
yyyy-mm-dd |
string |
Date of Sample Collection |
2 |
Time |
HH:MM:SS |
string |
Time of sample collection |
3 |
CruiseID |
none |
string |
GCE Cruise ID |
4 |
Station |
none |
string |
GCE Sampling Location |
5 |
GCEArea |
none |
string |
GCEArea |
6 |
Latitude |
Degrees |
floating-point |
Latitude |
7 |
Longitude |
Degrees |
floating-point |
Longitude |
8 |
Surface_Temperature |
C |
floating-point |
Temperature of surface water taken from boat |
9 |
Surface_Salinity |
PSU |
floating-point |
Salinity of surface water taken from boat |
10 |
Tide |
none |
string |
Tide stage at time of sample collection |
11 |
Cruise_Notes |
none |
string |
Notes from cruise log |
12 |
Dissolved_Organic_Carbon |
ppm |
floating-point |
Dissolved Organic Carbon as C |
13 |
Dissolved_Organic_Nitrogen |
ppm |
floating-point |
Dissolved Organic Nitrogen as N |
14 |
Dissolved_Organic_Phosphorus |
ppb |
floating-point |
Dissolved Organic Phosphate as P |
15 |
Ammonium |
ppb |
floating-point |
Ammonium as N |
16 |
Nitrite |
ppb |
floating-point |
Nitrite as N |
17 |
Nitrate |
ppb |
floating-point |
Nitrate as N |
18 |
Phosphate |
ppb |
floating-point |
Phosphate as P |
19 |
Silicate |
uM |
floating-point |
Silicate concentration |
20 |
Total_Nitrogen |
ppm |
floating-point |
Total Nitrogen as NO3-N |
21 |
Total_Phosphorus |
ppb |
floating-point |
Total Phosphurus as PO4-P |
22 |
Particulate_Carbon |
mg/L |
floating-point |
Particulate Carbon concentation (average of replicates) |
23 |
Particulate_Nitrogen |
mg/L |
floating-point |
Particulate Nitrogen concentration (average of replicates) |
24 |
Chlorophyll_a_Concentration |
µg/L |
floating-point |
Chlorophyll-a concentration (average of replicates) |
25 |
Phaeopigment_a_Concentration |
µg/L |
floating-point |
Phaeopigment-a concentration (average of replicates) |
26 |
Total_suspended_solids |
mg/L |
floating-point |
Total suspended solids concentration (average of replicates) |
27 |
Loss_On_Ignition |
mg/L |
floating-point |
Loss on ignition (average of replicates) |
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Statistics:
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Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS |
Citation:
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Alber, Merryl. 2016. Long-term water quality monitoring in the Altamaha, Doboy and Sapelo sounds and the Duplin River near Sapelo Island, Georgia from November 2013 to December 2022. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/363bba6a61a14f2f696fbd3961fd36a8
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