47913
Submerged Aquatic Vegetation of Bogue Sound, North Carolina 1992 Biotic
nc_bs92-biotic_Metadata
Data Set
Published / External
37225
Benthic
Project
Completed
2015
During 1992, 1:20,000 scale aerial photography for Bogue Sound, North Carolina was collected as part of an effort to map submerged aquatic vegetation (SAV) in Coastal North Carolina. The imagery was collected following a strict set of guidelines as detailed in NOAA Coastal Change Analysis Program (C-CAP): Guidance for Regional Implementation (NOAA Technical Report NMFS 123 1995; see Chapter 4 online at www.coast.noaa.gov/crs/lca/methods.html). Photographs were taken at low tide and during times that the growth stage of the SAV allowed for clear identification. Care was taken to minimize the effects of turbidity, sun glint, wind, and haze on the photos. The imagery was scanned using a photogrammetric quality scanner (AGFA Horizon Plus) at a resolution of 600 dots per inch (dpi) resulting in a pixel resolution of 0.85 meters. Signature development took place during the summer of 2001. The images were orthorectified using ground control points selected from the state digital orthoquads and the National Imagery and Mapping Agency (NIMA) Digital Terrain Elevation Data (DTED(r)). The benthic data is classified according to the System for Classification of Habitats in Estuarine and Marine Environments (SCHEME). This system is fully described in "Development of a System for Classification of Habitats in Estuarine and Marine Environments (SCHEME) for Florida, Report to U.S. EPA - Gulf of Mexico Program, Florida Fish and Wildlife Conservation Commission, Florida Marine Research Institute. Review Draft 12/04/02." The images were interpreted and digitized on screen using ArcGIS 8.2 and labeled using ArcView 3.2 and the Benthic Habitat Digitizer extension (developed by the NOS Biogeography Program). The data have not been assessed for thematic accuracy due to the large disparity between dates of image acquisition in 1992 and interpretation in 2002. The data was assessed for horizontal spatial accuracy and thematic agreement during the fall of 2002.
Original contact information:
Contact Org: NOAA Office for Coastal Management
Phone: 843-740-1202
Email: coastal.info@noaa.gov
This data set was developed as a baseline of SAV data for Bogue Sound, North Carolina in 1992. The SAV data will be used as a baseline for future state SAV mapping projects.
10070
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > COASTAL
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > ESTUARY
Theme
ISO 19115 Topic Category
environment
Spatial
Global Change Master Directory (GCMD) Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NORTH CAROLINA
Theme
Biotic Component
Theme
CMECS
Theme
Coastal and Marine Ecological Classification Standard
Theme
Environmental Monitoring
Theme
Halodule
Theme
OCM Benthic Habitat Mapping
Theme
SAV
Theme
Zostera
Theme
aerial photography
Theme
benthic
Theme
seagrass
Theme
submerged aquatic vegetation
Spatial
Bogue Sound
Spatial
Carteret County
Spatial
NC
Spatial
New River Inlet
Spatial
North Carolina
Spatial
Onslow County
Office for Coastal Management
Charleston
SC
Data Set
As Needed
Map (digital)
NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
49324
Biotic
Biotic
Published / External
Completed
Shallow benthic habitats CMECS 2012 biotic component polygons | Description Source: NOAA Office for Coastal Management
Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script.
1
OBJECTID
Unknown
No
No
Active
Internal feature number. | Description Source: Esri
Sequential unique whole numbers that are automatically generated.
2
SHAPE
Unknown
No
No
Active
Feature geometry. | Description Source: Esri
Coordinates defining the features.
3
CMECS_CODE
Unknown
No
No
Active
CMECS biotic unit code. | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
Alphanumeric code for CMECS units
4
B_SETTING
VARCHAR
No
No
Active
Biotic Setting - Indication of whether the biota are attached or closely associated with the benthos or are suspended or floating in the water column. | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of biotic setting units; CMECS FGDC 2012: See definitions of biotic setting units; CMECS FGDC 2012 |
5
B_CLASS
VARCHAR
No
No
Active
Biotic Class - Dominant (percent cover) taxonomy and life forms of the living components of the sampled area at a fairly coarse level. | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of biotic class units; CMECS FGDC 2012: See definitions of biotic class units; CMECS FGDC 2012 |
6
B_SUBCLASS
VARCHAR
No
No
Active
Biotic Subclass - Dominant (percent cover) taxonomy and life forms of the living components of the sampled area at a fairly coarse level | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of biotic subclass units; CMECS FGDC 2012: See definitions of biotic subclass units; CMECS FGDC 2012 |
7
B_GROUP
VARCHAR
No
No
Active
Biotic Group - Functional groupings of characteristic biological types based on finer distinctions of taxonomy, structure, position, environment, and salinity levels | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of biotic group units; CMECS FGDC 2012: See definitions of biotic group units; CMECS FGDC 2012 |
8
B_COMMUNITY
VARCHAR
No
No
Active
Biotic Community - repeatable, characteristic assemblages of organisms that are relatively uniform in structure, species composition, and habitat conditions | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of biotic community units; CMECS FGDC 2012: See definitions of biotic community units; CMECS FGDC 2012 |
9
Shape_Length
Unknown
No
No
Active
Length of line features in meters | Description Source: Esri
Distance
10
Shape_Area
Unknown
No
No
Active
Polygon area in square meters | Description Source: Esri
Area
11
Percent_Cover
VARCHAR
No
No
Active
Percent cover values from CMECS modifier | Description Source: Coastal and Marine Ecological Classification Standard, FGDC 2012
See list of modifier units; CMECS FGDC 2012: See definitions of modifier units; CMECS FGDC 2012 |
Data Steward
2015
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Distributor
2015
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Metadata Contact
2015
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Point of Contact
2015
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Ground Condition
-77.1686
-76.5522
34.7821
34.6384
Range
1992-05-04
1992-05-24
Yes
Yes
1102
Unclassified
None
None
ftp://ftp.coast.noaa.gov/pub/benthic/Benthic_Cover_Data/NC_BogueSound.zip
Bulk Download
FTP download of data files.
https://coast.noaa.gov/data/Images/Collections/BenthicCover_thumbnail.jpg
Browse Graphic
Browse Graphic
JPEG
Sample of benthic cover data
http://www.cmecscatalog.org/
CMECS Catalog
Online Resource
Searchable online catalog of CMECS units, descriptions, and source references
https://coast.noaa.gov/
NOAA's Office for Coastal Management (OCM) website
Online Resource
Information on the NOAA Office for Coastal Management (OCM)
https://coast.noaa.gov/digitalcoast/
NOAA's Office for Coastal Management (OCM) Digital Coast Data section
Online Resource
The website provides not only coastal data, but also the tools, training, and information needed to make these data truly useful. Content comes from many sources, all of which are vetted by NOAA.
https://iocm.noaa.gov/cmecs
CMECS Home Page
Online Resource
Information and resources on the CMECS standard and how to apply it
2017-03-30
Date that the source FGDC record was last modified.
2017-11-14
Converted from FGDC Content Standard for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.
2018-02-08
Partial upload of Positional Accuracy fields only.
2018-04-11
Partial upload to move data access FTP links to Distribution Info and remove broken URLs.
A spatial accuracy assessment was conducted in the fall of 2002 using the National Standard for Spatial Data Accuracy (NSSDA) statistic. Due to the 10 years between image acquisition and interpretation, a rigorous thematic accuracy assessment would not be reliable. However field visits indicated that of 33 SAV polygons mapped from the 1992 imagery, 30 had SAV present when visited in 2001 and 2002 (90% agreement).
This data set tested 11 meters horizontal accuracy at 95% confidence level using the NSSDA. Several factors may reduce the horizontal accuracy of the data. The imagery for Bogue Sound was rectified using ground control points (GCPs) selected from features from the state digital orthophoto quadrangles (DOQ). The DOQs had a 1-meter ground resolution at a scale of 1:12,000. During interpretation, offsets as great as 10-meters were noted between neighboring DOQs. In addition, no camera report was available for the imagery. The camera report would have helped account for distortions due the camera lens.
A National Imagery and Mapping Agency (NIMA) Digital Terrain Elevation Data (DTED (r)) was used for vertical accuracy. The DTED is a level 1 coverage with a 77-meter pixel size.
Unknown
Unknown
National Imagery and Mapping Agency (NIMA) Digital Terrain Elevation Data (DTED (r)) Level 1 Coverage
NIMA
1996-02-08
Discrete
1996-02-08
The DTED was used as the horizontal control during the orthorectification. | Source Geospatial Form: map | Type of Source Media: CD-ROM
1
The 1992 imagery for Bogue Sound, NC was acquired from the NOS MapFinder Web site (http://mapfinder.nos.noaa.gov/). Signature development took place during the summer of 2001. Field observations were used to help the interpreter recognize and identify the benthic signatures and develop the classification scheme. The images were scanned using a photogrammetric quality scanner (AGFA Horizon Plus) at a resolution of 600 dots per inch (dpi) resulting in a pixel resolution of 0.85 meters. The digital images were orthorectified using ERDAS Imagine 8.5 Orthobase. No camera report was available for the 1992 imagery, so the default RC-20 Wild camera settings were used. Ground control points were selected from similar features on the 1999 North Carolina USGS standard digital orthophoto quadrangles (DOQ). The DOQs are compressed JPEG files at a scale of 1:12,000 with 1-meter resolution. They were purchased from the state of North Carolina in 2002. NIMA Digital Terrain Elevation Data (DTED) level 1 coverage with a 77-meter resolution were used for the vertical data reference. The orthorectified images were interpreted and digitized on screen using ArcGIS 8.2. The benthic data is classified according to the System for Classification of Habitats in Estuarine and Marine Environments (SCHEME). This system is fully described in "Development of a System for Classification of Habitats in Estuarine and Marine Environments (SCHEME) for Florida, Report to U.S. EPA - Gulf of Mexico Program, Florida Fish and Wildlife Conservation Commission, Florida Marine Research Institute. Review Draft 12/04/02." The data was labeled using ArcView 3.2 and the Benthic Habitat Digitizer extension (developed by the NOS Biogeography Program). The data have not been assessed for thematic accuracy due to the large disparity between dates of image acquisition in 1992 and interpretation in 2002. The data was assessed for spatial accuracy during the fall of 2002. Sources used in this processing step were the DTED, Aerial Photos, and DOQs.
2002-08-30T00:00:00
2
The data were converted from a single ESRI polygon shapefile classified according to the System for Classifying Habitats in Estuarine and Marine Environments (SCHEME) to the Coastal and Marine Ecological Classification Standard (CMECS) 2012 format (which can be found at https://coast.noaa.gov/digitalcoast/tools/cmecs-crosswalk) which produces separate geoform, biotic, and biotic feature layers from the original input benthic habitat dataset. This biotic feature layer contains CMECS biotic component attributes where an "Equal" or "Nearly Equal" SCHEME value was present in the original data. Polygons for which no biotic information was present have been removed. No other changes to the original polygon boundaries or any other alterations of the original SCHEME data were made during this process.
2015-01-01T00:00:00
49324
Entity
Biotic
gov.noaa.nmfs.inport:47913
Anne Ball
2017-11-14T12:57:36
SysAdmin InPortAdmin
2023-05-30T18:09:28
2018-04-11
Office for Coastal Management
OCM
1002
Public
No
2018-04-11
1 Year
2019-04-11