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GCE LTER Continuous Salinity, Temperature and Water Level Monitoring

Sponsoring Organization:  Georgia Coastal Ecosystems Long Term Ecological Research (GCE LTER)

Description:  The objective of the GCE Continuous Salinity, Temperature and Water Level Monitoring program is to document spatial and temporal variability of salinity and its relationship to water level and river discharge. Long-term measurements of conductivity, temperature and sub-surface pressure are collected at 30 minute intervals at 8 sites in the GCE-LTER domain. These monitoring sites were chosen to span the salinity gradient as well as to take advantage of existing physical structures (e.g. docks or pilings) for mounting instruments. The long-term moorings are located in transect regions used for quarterly oceanographic surveys and near to GCE-LTER marsh study sites.

Web Site:  http://gce-lter.marsci.uga.edu/public/research/mon/sounds_creeks.htm

Duration:  05/01/2000 to present  (as of 10/25/2012)

Program Contact:  Wade Sheldon

Program Contact Email:  sheldon@uga.edu

Program Contact Web URL:  http://gce-lter.marsci.uga.edu/public/app/personnel_bios.asp?id=wsheldon

Program Purpose:  Over the coming decades, the Georgia coast is expected to experience substantial changes due to factors such as climate change, sea level rise, and human alterations of the landscape. The overarching goal of the GCE LTER is to understand the mechanisms by which variation in the quality, source and amount of both fresh and salt water create temporal and spatial variability in estuarine habitats and processes, in order to predict directional changes that will occur in response to long-term shifts in estuarine salinity patterns.

Data Access Web URL:  http://gce-lter.marsci.uga.edu/public/data/data.htm

Data Access Information:  As a member of the NSF Long Term Ecological Research Network, the Georgia Coastal Ecosystems LTER Program is committed to providing access to data collected under the auspices of our project in a timely fashion. Study results will be published in the scientific literature, and documented data sets and other information will be provided on the World Wide Web for legitimate scientific and educational purposes. Access to GCE resources varies by resource type and user affiliation, and requires acceptance of the GCE LTER Data Use Agreement.

Data Access Policy Web URL:  http://gce-lter.marsci.uga.edu/public/im/data_access.htm

Sampling Design:  Sea-Bird Electonics MicroCAT 37-SM data loggers are moored at fixed locations across the study domain, at fixed depths off the substrate bottom.

Sampling Frequency:  30 minutes

Sample Collection:  Measurements of conductivity, temperature and pressure are continuously recorded and logged at 30 minute intervals, and data are periodically downloaded from instruments for analysis and calculation of salinity, depth and sigma-t.

Data Collection Area Name:  Sapelo River, Doboy Sound, Altamaha River, Duplin River

Monitoring Stations:  9 stations are registered in the database (search/display)

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