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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-2008i
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Research Theme:
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Physical Oceanography (Monitoring)
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Contributors:
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Daniela Di Iorio, Jacob Shalack, Wade Sheldon, Adam Sapp, Dontrece Smith, Alyssa Peterson, Brendan Manley
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Title:
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Continuous salinity, temperature and depth measurements from moored hydrographic data loggers deployed at GCE11_Hydro (Altamaha River near Lewis Creek, Georgia) from 01-Jan-2019 through 31-Dec-2019
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Abstract:
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Conductivity, temperature and pressure were measured continuously at Georgia Coastal Ecosystems LTER sampling location GCE11_Hydro (Altamaha River near Lewis Creek, Georgia) from 01-Jan-2019 through 31-Dec-2019. Observations were logged at 30 minute intervals by moored Sea-Bird Electronics MicroCAT 37-SM data loggers and downloaded approximately semi-monthly. Salinity, depth and sigma-t (density anomaly) were calculated from the measured parameters using standard UNESCO algorithms. This data set was collected as part of the GCE-LTER Project continuous salinity, temperature and water level monitoring program.
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DOI:
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10.6073/pasta/682e493b6705e41906007e2a95f4d833
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Key Words:
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conductivity, daily, density, depth, GCE11, Hydrographic Moorings, hydrography, inorganic nutrients, monitoring, mooring, pressure, salinity, sonde, temperature, water column, water quality
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LTER Core Area:
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Inorganic Matter
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Research Themes:
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GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Physical Oceanography |
Study Period:
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01-Jan-2019 to 31-Dec-2019
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Study Sites:
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GCE-AL -- Altamaha River, Georgia, USA
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Project References:
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GCE Hydrographic Monitoring, Salinity variations across the GCE domain |
Downloads:
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Data Table: PHY-GCEM-2008i (Main data table for data set PHY-GCEM-2008i containing 30 minute observation data, 17520 records)
Access: Public (released 01-Mar-2021)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [2379.83kb], Text File [2169.48kb], MATLAB (GCE Toolbox) [670.89kb], MATLAB (Variables) [658.37kb], Text Report [2302.88kb]
Column List:(display)
Column |
Name |
Units |
Type |
Description |
1 |
Site |
none |
integer |
Nearest nominal GCE-LTER sampling site |
2 |
Station |
none |
string |
Station determined by geographic database lookup of coordinates in columns Latitude and Longitude using a distance tolerance of 0.5km from registered station location |
3 |
Longitude |
degrees |
floating-point |
Geographic longitude in decimal degrees |
4 |
Latitude |
degrees |
floating-point |
Geographic latitude in decimal degrees |
5 |
Instrument |
none |
integer |
Serial number of the SBE 37-SM MicroCAT instrument used for the observations |
6 |
Pump |
none |
integer |
Boolean value indicating whether conductivity was measured using a pumped cell (1=true/0=false) |
7 |
Date |
yyyy-mm-dd HH:MM:SS - GMT |
string |
Fractional MATLAB serial day (based on 1 = January 1, 0000) |
8 |
Year |
YYYY |
integer |
Calendar year |
9 |
Month |
MM |
integer |
Calendar month |
10 |
Day |
DD |
integer |
Calendar day |
11 |
Hour |
hr |
integer |
Hours - GMT |
12 |
Minute |
min |
integer |
Minutes |
13 |
Temperature |
°C |
floating-point |
Water temperature |
14 |
Flag_Temperature |
none |
string |
QA/QC flags for Water temperature (flagging criteria, where "x" is Temperature: x<0="Q", x>35="Q", Depth<=0="I", Depth<0.15="Q", flag_valuechange(x, 2, 2, 1, 3)="Q", manual) |
15 |
Conductivity |
S/m |
floating-point |
Conductivity |
16 |
Flag_Conductivity |
none |
string |
QA/QC flags for Conductivity (flagging criteria, where "x" is Conductivity: x<0="I", Depth<=0="I", Depth<0.15="Q", flag_valuechange(x, 0.75, 0.75, 1, 3)="Q", manual) |
17 |
Pressure |
dbar |
floating-point |
Water pressure at sensor (approximately equivalent to water depth within 3% error) |
18 |
Flag_Pressure |
none |
string |
QA/QC flags for Water pressure at sensor (approximately equivalent to water depth within 3% error) (flagging criteria, where "x" is Pressure: x<0="I", x<0.05="X", x>10="Q", manual) |
19 |
Depth |
m |
floating-point |
Water depth to the pressure sensor of the moored sonde |
20 |
Flag_Depth |
none |
string |
QA/QC flags for Water depth to the pressure sensor of the moored sonde (flagging criteria, where "x" is Depth: x<0="I", x<0.05="X", x>10="Q", manual) |
21 |
Salinity |
PSU |
floating-point |
Salinity |
22 |
Flag_Salinity |
none |
string |
QA/QC flags for Salinity (flagging criteria, where "x" is Salinity: x<0="I", Depth<=0="I", x>38="Q", Depth<0.15="Q", flag_valuechange(x, 6, 6, 1, 3)="Q", manual) |
23 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. Density-1) |
24 |
Flag_Sigma_t |
none |
string |
QA/QC flags for Sigma-t (i.e. Density-1) (flagging criteria, where "x" is Sigma_t: Depth<=0="I", Depth<0.15="Q", flag_valuechange(x, 5, 5, 1, 3)="Q", x<-5="Q", x>28="Q", manual) |
25 |
Calibration |
none |
integer |
Boolean value indicating whether data represents a calibration check (0 = false, 1 = true) |
Data Table: PHY-GCEM-2008i_Daily (Derived data table for data set PHY-GCEM-2008i containing daily-aggregated statistical summary data, 365 records)
Access: Public (released 01-Mar-2021)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [139.02kb], Text File [136.32kb], MATLAB (GCE Toolbox) [114.05kb], MATLAB (Variables) [122.24kb], Text Report [193.85kb]
Column List:(display)
Column |
Name |
Units |
Type |
Description |
1 |
Site |
none |
integer |
Nearest nominal GCE-LTER sampling site |
2 |
Station |
none |
string |
Station determined by geographic database lookup of coordinates in columns Latitude and Longitude using a distance tolerance of 0.5km from registered station location |
3 |
Longitude |
degrees |
floating-point |
Geographic longitude in decimal degrees |
4 |
Latitude |
degrees |
floating-point |
Geographic latitude in decimal degrees |
5 |
Date |
yyyy-mm-dd HH:MM:SS |
string |
Fractional MATLAB serial day (based on 1 = January 1, 0000) |
6 |
Year |
YYYY |
integer |
Calendar year |
7 |
Month |
MM |
integer |
Calendar month |
8 |
Day |
DD |
integer |
Calendar day |
9 |
Missing_Temperature |
count |
integer |
Number of missing observations of Water temperature |
10 |
Percent_Missing_Temperature |
% |
floating-point |
Percent missing observations of Water temperature |
11 |
Flagged_Temperature |
count |
integer |
Number of QC/QA-flagged observations of Water temperature |
12 |
Percent_Flagged_Temperature |
% |
floating-point |
Percent QC/QA-flagged observations of Water temperature |
13 |
Daily_Num_Temperature |
count |
integer |
Daily Observations of Water temperature |
14 |
Daily_Min_Temperature |
°C |
floating-point |
Daily Minimum Water temperature |
15 |
Daily_Max_Temperature |
°C |
floating-point |
Daily Maximum Water temperature |
16 |
Daily_Mean_Temperature |
°C |
floating-point |
Daily Mean Water temperature |
17 |
Daily_StdDev_Temperature |
°C |
floating-point |
Daily Sample Standard Deviation of Water temperature |
18 |
Daily_SE_Temperature |
°C |
floating-point |
Daily Standard Error of Water temperature |
19 |
Missing_Conductivity |
count |
integer |
Number of missing observations of Conductivity |
20 |
Percent_Missing_Conductivity |
% |
floating-point |
Percent missing observations of Conductivity |
21 |
Flagged_Conductivity |
count |
integer |
Number of QC/QA-flagged observations of Conductivity |
22 |
Percent_Flagged_Conductivity |
% |
floating-point |
Percent QC/QA-flagged observations of Conductivity |
23 |
Daily_Num_Conductivity |
count |
integer |
Daily Observations of Conductivity |
24 |
Daily_Min_Conductivity |
S/m |
floating-point |
Daily Minimum Conductivity |
25 |
Daily_Max_Conductivity |
S/m |
floating-point |
Daily Maximum Conductivity |
26 |
Daily_Mean_Conductivity |
S/m |
floating-point |
Daily Mean Conductivity |
27 |
Daily_StdDev_Conductivity |
S/m |
floating-point |
Daily Sample Standard Deviation of Conductivity |
28 |
Daily_SE_Conductivity |
S/m |
floating-point |
Daily Standard Error of Conductivity |
29 |
Missing_Pressure |
count |
integer |
Number of missing observations of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
30 |
Percent_Missing_Pressure |
% |
floating-point |
Percent missing observations of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
31 |
Flagged_Pressure |
count |
integer |
Number of QC/QA-flagged observations of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
32 |
Percent_Flagged_Pressure |
% |
floating-point |
Percent QC/QA-flagged observations of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
33 |
Daily_Num_Pressure |
count |
integer |
Daily Observations of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
34 |
Daily_Min_Pressure |
dbar |
floating-point |
Daily Minimum Water pressure at sensor (approximately equivalent to water depth within 3% error) |
35 |
Daily_Max_Pressure |
dbar |
floating-point |
Daily Maximum Water pressure at sensor (approximately equivalent to water depth within 3% error) |
36 |
Daily_Mean_Pressure |
dbar |
floating-point |
Daily Mean Water pressure at sensor (approximately equivalent to water depth within 3% error) |
37 |
Daily_StdDev_Pressure |
dbar |
floating-point |
Daily Sample Standard Deviation of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
38 |
Daily_SE_Pressure |
dbar |
floating-point |
Daily Standard Error of Water pressure at sensor (approximately equivalent to water depth within 3% error) |
39 |
Missing_Depth |
count |
integer |
Number of missing observations of Water depth to the pressure sensor of the moored sonde |
40 |
Percent_Missing_Depth |
% |
floating-point |
Percent missing observations of Water depth to the pressure sensor of the moored sonde |
41 |
Flagged_Depth |
count |
integer |
Number of QC/QA-flagged observations of Water depth to the pressure sensor of the moored sonde |
42 |
Percent_Flagged_Depth |
% |
floating-point |
Percent QC/QA-flagged observations of Water depth to the pressure sensor of the moored sonde |
43 |
Daily_Num_Depth |
count |
integer |
Daily Observations of Water depth to the pressure sensor of the moored sonde |
44 |
Daily_Min_Depth |
m |
floating-point |
Daily Minimum Water depth to the pressure sensor of the moored sonde |
45 |
Daily_Max_Depth |
m |
floating-point |
Daily Maximum Water depth to the pressure sensor of the moored sonde |
46 |
Daily_Mean_Depth |
m |
floating-point |
Daily Mean Water depth to the pressure sensor of the moored sonde |
47 |
Daily_StdDev_Depth |
m |
floating-point |
Daily Sample Standard Deviation of Water depth to the pressure sensor of the moored sonde |
48 |
Daily_SE_Depth |
m |
floating-point |
Daily Standard Error of Water depth to the pressure sensor of the moored sonde |
49 |
Missing_Salinity |
count |
integer |
Number of missing observations of Salinity |
50 |
Percent_Missing_Salinity |
% |
floating-point |
Percent missing observations of Salinity |
51 |
Flagged_Salinity |
count |
integer |
Number of QC/QA-flagged observations of Salinity |
52 |
Percent_Flagged_Salinity |
% |
floating-point |
Percent QC/QA-flagged observations of Salinity |
53 |
Daily_Num_Salinity |
count |
integer |
Daily Observations of Salinity |
54 |
Daily_Min_Salinity |
PSU |
floating-point |
Daily Minimum Salinity |
55 |
Daily_Max_Salinity |
PSU |
floating-point |
Daily Maximum Salinity |
56 |
Daily_Mean_Salinity |
PSU |
floating-point |
Daily Mean Salinity |
57 |
Daily_StdDev_Salinity |
PSU |
floating-point |
Daily Sample Standard Deviation of Salinity |
58 |
Daily_SE_Salinity |
PSU |
floating-point |
Daily Standard Error of Salinity |
59 |
Missing_Sigma_t |
count |
integer |
Number of missing observations of Sigma-t (i.e. Density-1) |
60 |
Percent_Missing_Sigma_t |
% |
floating-point |
Percent missing observations of Sigma-t (i.e. Density-1) |
61 |
Flagged_Sigma_t |
count |
integer |
Number of QC/QA-flagged observations of Sigma-t (i.e. Density-1) |
62 |
Percent_Flagged_Sigma_t |
% |
floating-point |
Percent QC/QA-flagged observations of Sigma-t (i.e. Density-1) |
63 |
Daily_Num_Sigma_t |
count |
integer |
Daily Observations of Sigma-t (i.e. Density-1) |
64 |
Daily_Min_Sigma_t |
kg/m^3 |
floating-point |
Daily Minimum Sigma-t (i.e. Density-1) |
65 |
Daily_Max_Sigma_t |
kg/m^3 |
floating-point |
Daily Maximum Sigma-t (i.e. Density-1) |
66 |
Daily_Mean_Sigma_t |
kg/m^3 |
floating-point |
Daily Mean Sigma-t (i.e. Density-1) |
67 |
Daily_StdDev_Sigma_t |
kg/m^3 |
floating-point |
Daily Sample Standard Deviation of Sigma-t (i.e. Density-1) |
68 |
Daily_SE_Sigma_t |
kg/m^3 |
floating-point |
Daily Standard Error of Sigma-t (i.e. Density-1) |
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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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Di Iorio, Daniela. 2020. Continuous salinity, temperature and depth measurements from moored hydrographic data loggers deployed at GCE11_Hydro (Altamaha River near Lewis Creek, Georgia) from 01-Jan-2019 through 31-Dec-2019. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/682e493b6705e41906007e2a95f4d833
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