http://lod.bco-dmo.org/id/dataset/845216
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2021-03-17
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Cross-channel geometry of Groves Creek salt marsh, Skidaway Island Georgia, USA, Aug. 2013 to March 2015
2021-03-17
publication
2021-03-17
revision
BCO-DMO Linked Data URI
2021-03-17
creation
http://lod.bco-dmo.org/id/dataset/845216
William Savidge
Skidaway Institute of Oceanography
principalInvestigator
Jay Brandes
Skidaway Institute of Oceanography
principalInvestigator
Catherine Edwards
Skidaway Institute of Oceanography
principalInvestigator
Aron Stubbins
Skidaway Institute of Oceanography
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Savidge, W. (2021) Cross-channel geometry of Groves Creek salt marsh, Skidaway Island Georgia, USA, Aug. 2013 to March 2015. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-03-17 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/845216 [access date]
cross-channel geometry Dataset Description: Methods and Sampling: <p>Channel geometry was determined from high resolution RTK GPS digital elevation data obtained by Dr. C. Alexander at Skidaway Institute.&nbsp; The Groves Creek digital elevation model has been described in Sullivan et al. 2015 &amp; 2019.&nbsp; To obtain channel profiles, a transect normal to the channel and intersecting the ADP deployment location was established, and the NAVD88 elevations at 0.5-1m intervals along that transect were then estimated from the elevation data set.</p>
<p>Transect endpoints were determined visually from maps.&nbsp; Data shown in bold in the original Excel file (see Data Files section)&nbsp;have been arbitrarily assigned to ensure that the trapezoids obtained for integration of total cross sectional area have a flat top.</p>
<p>This dataset was extracted from the complete digital elevation model for the Groves Creek marsh by C. Alexander (SkIO) [see Supplemental Files], where&nbsp;single-beam data was collected during 23 survey missions between 2010 and 2011 from a small shallow draft electric boat around high tide using an Ohmex Sonarmite echosounder with RTK-GPS positioning. Pedestrian RTK-GPS survey data was collected across the low gradient marsh platforms, creek levees, and throughout creeks found to be too small or shallow for the survey boat. Pedestrian data was acquired during times around low tide using Trimble R6 GPS receivers with RTK correction data obtained through a Virtual Reference System. Location is reported as&nbsp;31.96667,&nbsp;-81.01667.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1234704 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1234704
onGoing
William Savidge
Skidaway Institute of Oceanography
USA
William.Savidge@skio.uga.edu
pointOfContact
Jay Brandes
Skidaway Institute of Oceanography
912-598 2361
10 Ocean Science Circle
Savannah
GA
31411
USA
Jay.Brandes@skio.uga.edu
pointOfContact
Catherine Edwards
Skidaway Institute of Oceanography
(912) 598-2471
10 Ocean Science Circle
Savannah
GA
31411
USA
catherine.edwards@skio.uga.edu
pointOfContact
Aron Stubbins
Skidaway Institute of Oceanography
617-373-5872
102 Hurtig Building 360 Huntington Ave
Boston
MA
02115
USA
a.stubbins@northeastern.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
station
deployment
lat
lon
date_start
date_end
transect_distance
elevation
Ohmex Sonarmite echosounder with RTK-GPS positioning
Trimble R6 GPS
theme
None, User defined
station
deployment number
latitude
longitude
date_start
date end
track length
sea surface elevation
featureType
BCO-DMO Standard Parameters
Echo sounder - single-beam
GPS receiver
instrument
BCO-DMO Standard Instruments
Groves_Creek_2013-2015
service
Deployment Activity
Groves Creek salt marsh, Skidaway Island Georgia, USA
place
Locations
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
Tempo and mode of salt marsh exchange
http://www.skio.uga.edu
Tempo and mode of salt marsh exchange
<p><em>Description from NSF award abstract:</em><br />
Salt marshes are critical mediators of the flux of material between the terrestrial and marine realms. The balance of material import, export, and transformation affects both the marsh itself and the surrounding estuary. Previous efforts to understand the role of marshes have concentrated either on examining temporal changes (often at low resolution) of bulk exports, or compositional changes in exported material with little regard for its temporal variability. Researchers working at the Skidaway Institute of Oceanography contend that both the quantity and quality of materials exchanged between marsh and estuary in tidally-dominated systems along the southeastern US coast vary significantly in response to semidiurnal, diurnal, tidal, meteorological and seasonal forcing, and that this variability must be included when considering the total contributions of marshes to carbon cycling along the land-ocean boundary. This study will utilize a three-pronged strategy to assess both the quantity and quality of dissolved organic matter (DOM) and particulate organic matter (POM) exported from Groves Creek, a well-characterized meso-tidal salt marsh in coastal Georgia. In particular, by evaluating how marsh function responds to a full spectrum of present environmental conditions, this project will provide tangible insight into how carbon cycling in these critical regions will respond to anticipated changes in those conditions.</p>
<p>This project is related to the project "Marine priming effect - molecular mechanisms for the biomineralization of terrigenous dissolved organic matter in the ocean" found at <a href="https://www.bco-dmo.org/project/554157">https://www.bco-dmo.org/project/554157</a>.</p>
GrovesCreek
largerWorkCitation
project
eng; USA
oceans
Groves Creek salt marsh, Skidaway Island Georgia, USA
-81.0277
-81.0145
31.9675
31.974
2013-08-09
2015-03-09
Salt marsh east of Savannah, Georgia, USA.
0
BCO-DMO catalogue of parameters from Cross-channel geometry of Groves Creek salt marsh, Skidaway Island Georgia, USA, Aug. 2013 to March 2015
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/846891.rdf
Name: station
Units: unitless
Description: <p>station identifier</p>
http://lod.bco-dmo.org/id/dataset-parameter/846892.rdf
Name: deployment
Units: unitless
Description: <p>deployment number</p>
http://lod.bco-dmo.org/id/dataset-parameter/846893.rdf
Name: lat
Units: decimal degrees
Description: <p>latitude; north is positive</p>
http://lod.bco-dmo.org/id/dataset-parameter/846894.rdf
Name: lon
Units: decimal degrees
Description: <p>longitude; east is positive</p>
http://lod.bco-dmo.org/id/dataset-parameter/846895.rdf
Name: date_start
Units: unitless
Description: <p>start date for deployment (local)</p>
http://lod.bco-dmo.org/id/dataset-parameter/846896.rdf
Name: date_end
Units: unitless
Description: <p>end date for deployment (local)</p>
http://lod.bco-dmo.org/id/dataset-parameter/846897.rdf
Name: transect_distance
Units: meters
Description: <p>cross-transect distance</p>
http://lod.bco-dmo.org/id/dataset-parameter/846898.rdf
Name: elevation
Units: meters
Description: <p>calculated elevation from navd88</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
41961
https://datadocs.bco-dmo.org/docs/305/Saltmarsh_Tempo/data_docs/BCO_channels.xlsx
Cross-channel geometry data
This is the originally submitted Excel file for this cross-channel geometry dataset. They were extracted from the complete C. Alexander data; see Supplemental Files.
download
70824
https://datadocs.bco-dmo.org/file/k66gkX7inPNlxA/channel_geometry.csv
channel_geometry.csv
Primary data file for dataset ID 845216
download
3016
https://datadocs.bco-dmo.org/docs/305/Saltmarsh_Tempo/data_docs/cross-channel_geometry_S0.csv
Cross-channel geometry for S0, converted from Excel to csv
download
16579
https://datadocs.bco-dmo.org/docs/305/Saltmarsh_Tempo/data_docs/cross-channel_geometry_S2.csv
Cross-channel geometry for S2, converted from Excel to csv
download
5593
https://datadocs.bco-dmo.org/docs/305/Saltmarsh_Tempo/data_docs/cross-channel_geometry_S8.csv
Cross-channel geometry for S8, converted from Excel to csv
download
47364945
https://datadocs.bco-dmo.org/docs/305/Saltmarsh_Tempo/data_docs/DEM_01192011.zip
Complete digital elevation model for the Groves Creek marsh by C. Alexander (SkIO)
Multi-beam sonar data was collected in December 2009 for the main channel of Groves Creek from the mouth at the intersection of the Wilmington River to the area referred to as “the forks”, where the channel dissects into three more shallow channels. The multi-beam data was collected and processed by Coastal Carolina University resulting in a 0.25m grid of the survey area. Single-beam sonar data was focused on shallow creeks and channels of the study area as well as large areas of un-vegetated tidal flats. Single-beam data was collected during 23 survey missions between 2010 and 2011 from a small shallow draft electric boat around high tide using an Ohmex Sonarmite echosounder with RTK-GPS positioning. Pedestrian RTK-GPS survey data was collected across the low gradient marsh platforms, creek levees, and throughout creeks found to be too small or shallow for the survey boat. Pedestrian data was acquired during times around low tide using Trimble R6 GPS receivers with RTK correction data obtained through a Virtual Reference System. This dataset includes positions from 241 individual survey missions over 169 field days in 2010 and 2011.
The Groves Creek modeling domain in Chatham County, GA exhibits a broad range of salt marsh geomorphic features typical of those found in southeastern salt marsh habitats. The domain includes large vegetated marsh platforms, creeks ranging from 1m to 75 m wide, creek levees, and dissected un-vegetated intertidal flats. Vegetation throughout the study area is dominated by Spartina alterniflora grasses in short, medium and tall forms up to approximately 2m tall in creek and levee regions. Previous modeling studies in the Groves Creek domain using a Light Detection and Ranging (LiDAR) derived coarse resolution digtal elevation model (DEM) (approximately 4.5 m2 cell resolution) identified the necessity for a DEM with both higher spatial resolution and accuracy (Blanton et al., 2010). The coarse resolution elevation model failed to identify many of the small (1-3m wide) creeks that dissect through creek levees and enable a conductive path for water flow between marsh platforms and larger creeks. Because saltmarshes are generally composed of very low relief topography, small vertical errors may have large affects on surface hydrology, tidal inundation and sediment distribution (Blanton et al., 2006; Chasserau et al., 2011; Hladik and Alber, 2012; Rosso et al., 2006).
In order to generate a high-accuracy topographic/bathymetric elevation dataset for use in hydrodynamic modeling studies and for comparison with other remote sensing techniques three survey styles were developed to acquire data from the various habitat zones found throughout the domain: multi-beam sonar, single-beam sonar, and pedestrian RTK-GPS. Multi-beam sonar data was collected in December 2009 for the main channel of Groves Creek from the mouth at the intersection of the Wilmington River to the area referred to as “the forks”, where the channel dissects into three more shallow channels. The multi-beam data was collected and processed by Coastal Carolina University resulting in a 0.25m grid of the survey area. Single-beam sonar data was focused on shallow creeks and channels of the study area as well as large areas of un-vegetated tidal flats. Single-beam data was collected during 23 survey missions between 2010 and 2011 from a small shallow draft electric boat around high tide using an Ohmex Sonarmite echosounder with RTK-GPS positioning. Pedestrian RTK-GPS survey data was collected across the low gradient marsh platforms, creek levees, and throughout creeks found to be too small or shallow for the survey boat. Pedestrian data was acquired during times around low tide using Trimble R6 GPS receivers with RTK correction data obtained through a Virtual Reference System. This dataset includes positions from 241 individual survey missions over 169 field days in 2010 and 2011. Areas of the marsh with low topographic complexity were delineated from aerial photographs guided by detailed knowledge of the field site. These areas were classified as platform habitat. Platforms were surveyed using targeted 5 m grid spacing. Non-platform zones surrounding creeks and levees were surveyed with point spacing from 0.5m to 3m depending on topographic complexity. The 0.25m gridded multi-beam data generated 2,361,154 survey positions, the single-beam data generated 201,310 survey positions, and the pedestrian surveys generated 159,589 positions for digital elevation model creation. The multi-beam and single-beam sonar data was merged with Pedestrian RTK-GPS data using ESRI ArcGIS software and interpolated into a 0.5m cell resolution DEM for use with hydrodynamic modeling efforts. Elevation models were generated with the ArcGIS extension 3D Analyst using the Topo to Raster function.
Results were published in:
Alexander, C.R., Hodgson, J.Y.S. and J.A. Brandes. 2017. Sedimentary Processes and Products in a Mesotidal Salt Marsh Environment: Insights from Groves Creek, Georgia. Geo-Marine Letters. https://doi.org/10.1007/s00367-017-0499-1
This project was funded by DOI, Agency Project No.: 86176-002-10.
download
https://osprey.bco-dmo.org/dataset/845216/data/download
download
onLine
dataset
<p>Channel geometry was determined from high resolution RTK GPS digital elevation data obtained by Dr. C. Alexander at Skidaway Institute.&nbsp; The Groves Creek digital elevation model has been described in Sullivan et al. 2015 &amp; 2019.&nbsp; To obtain channel profiles, a transect normal to the channel and intersecting the ADP deployment location was established, and the NAVD88 elevations at 0.5-1m intervals along that transect were then estimated from the elevation data set.</p>
<p>Transect endpoints were determined visually from maps.&nbsp; Data shown in bold in the original Excel file (see Data Files section)&nbsp;have been arbitrarily assigned to ensure that the trapezoids obtained for integration of total cross sectional area have a flat top.</p>
<p>This dataset was extracted from the complete digital elevation model for the Groves Creek marsh by C. Alexander (SkIO) [see Supplemental Files], where&nbsp;single-beam data was collected during 23 survey missions between 2010 and 2011 from a small shallow draft electric boat around high tide using an Ohmex Sonarmite echosounder with RTK-GPS positioning. Pedestrian RTK-GPS survey data was collected across the low gradient marsh platforms, creek levees, and throughout creeks found to be too small or shallow for the survey boat. Pedestrian data was acquired during times around low tide using Trimble R6 GPS receivers with RTK correction data obtained through a Virtual Reference System. Location is reported as&nbsp;31.96667,&nbsp;-81.01667.</p>
Specified by the Principal Investigator(s)
<p><strong>BCO-DMO Processing notes:</strong><br />
- original file 'BCO channels.xlsx' with one sheet per station<br />
-&nbsp;pre-processed original file:&nbsp;reformatted the top 6 rows:<br />
&nbsp; &nbsp; - removed blank columns<br />
&nbsp; &nbsp; - split date range in to date_start and date_end<br />
&nbsp; &nbsp; - put lat and lon in different rows<br />
&nbsp; &nbsp; - repeated station id, deployment # in adjacent cells<br />
- added a column for orig_row_num<br />
- unpivoted tables to create flat tables and concatenated them into a single table<br />
- sorted rows by&nbsp;{station}{deployment}{orig_row_num}<br />
- modified parameter names to conform with BCO-DMO naming conventions<br />
- reformatted&nbsp;date as yyyy-mm-dd<br />
- added conventional header with dataset name, PI name, version date</p>
<p>&nbsp;</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
Ohmex Sonarmite echosounder with RTK-GPS positioning
Ohmex Sonarmite echosounder with RTK-GPS positioning
PI Supplied Instrument Name: Ohmex Sonarmite echosounder with RTK-GPS positioning Instrument Name: Echo sounder - single-beam Instrument Short Name:Echo Sounder SB Instrument Description: A single-beam echo sounder is an instrument that measures water depth at a single point below the platform by timing pulses of sound reflected on the seafloor. The echo sounder transmits and receives sound, accurately measuring the time it takes to leave the sounder, reach the bottom and return to the sounder. It then converts this information into digital or graphic representations of the bottom depth and relief.
The average echo sounder consists of a transmission and reception unit that sends sound signals through the water, receives and decodes information and converts that information into either a graphic or visual form. Attached to the receiver is a transducer that acts as a microphone and a speaker under the water. Sound waves travel at approximately 1500 m/s through the water dependent on water temperature". more from LMS Technologies Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/156/
Trimble R6 GPS
Trimble R6 GPS
PI Supplied Instrument Name: Trimble R6 GPS Instrument Name: GPS receiver Instrument Short Name: Instrument Description: Acquires satellite signals and tracks your location.
This term has been deprecated. Use instead: https://www.bco-dmo.org/instrument/560
Deployment: Groves_Creek_2013-2015
Groves_Creek_2013-2015
Groves Creek - SkIO
shoreside
Groves Creek - SkIO
shoreside