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Connecticut Eelgrass Beds 2009 Poly
SDE Feature Class - depgis.DEP.EELGRASS_BEDS_2009_POLY
FGDC, ESRI Metadata
DescriptionSpatialData StructureData QualityData SourceData DistributionMetadata
+ Resource Description
Citation
Information used to reference the data.
Title: Connecticut Eelgrass Beds 2009 Poly
Originators: USFWS NWI Region 5
Publication date: Unknown
Data type: vector digital data
Data location: http://www.ct.gov/deep
Description
A characterization of the data, including its intended use and limitations.
Abstract:
This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory, Region 5. The project area encompasses the eastern end of Long Island Sound, including Fishers Island and the North Fork of Long Island. It includes all coastal embayments and nearshore waters (i.e., to a depth of -15 feet at mean low water) bordering the Sound from Clinton Harbor in the west to the Rhode Island border in the east and including Fishers Island and the North Shore of Long Island from Southold to Orient Point and Plum Island. The study area includes the tidal zone of 18 sub-basins in Connecticut: Little Narragansett Bay, Stonington Harbor, Quiambog Cove, Mystic Harbor, Palmer-West Cove, Mumford Cove, Paquonock River, New London Harbor, Goshen Cove, Jordan Cove, Niantic Bay, Rocky Neck State Park, Old Lyme Shores, Connecticut River, Willard Bay, Westbrook Harbor, Duck Island Roads, and Clinton Harbor, and two areas in New York: Fishers Island and a portion of the North Shore of Long Island. Delineations of 2009 eelgrass beds were completed using 1:20,000 true color aerial photography flown at low tide on 7/14/2009 and 7/15/2009. Extensive field work was conducted by the USFWS Region 5 Southern New England-New York Bight Coastal Program Office in October, November, and December 2009 with 193 field sites checked. The 2009 photography was scanned and geo-rectified using 2006 NAIP 1 meter true color imagery.

Data have been summarized in a technical report: Tiner, R., K. McGuckin, M. Fields, N. Fuhrman, T. Halavik, and A. MacLachlan. 2010. 2009 Eelgrass Survey for Eastern Long Island Sound, Connecticut and New York. U.S. Fish and Wildlife Service, National Wetlands Inventory Program, Northeast Region, Hadley, MA. National Wetlands Inventory report. 16 pp. plus Appendix.
Purpose:
This dataset was developed for an ongoing eelgrass monitoring of the Long Island Sound.  Funding was provided by the EPA, Region 2. 
Language of dataset: en
Point Of Contact
Contact information for the individual or organization that is knowledgeable about the data.
Person: Ralph Tiner
Organization: U.S. Fish & Wildlife Service, Northeast Region
Position: National Wetlands Inventory, R5 Coordinator
Phone: 413-253-8620
Email: ralph_tiner@fws.gov
Address type: mailing and physical address
Address:
300 Westgate Center Drive
City: Hadley
State or Province: Massachusetts
Postal code: 01035
Data Type
How the data are represented, formatted and maintained by the data producing organization.
File or table name: depgis.DEP.EELGRASS_BEDS_2009_POLY
Data type: vector digital data
Data format: SDE Feature Class
Native dataset environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.3000
Time Period of Data
Time period(s) for which the data corresponds to the currentness reference.
Date: 7/14/09 Time: morning
Date: 7/15/09
Currentness reference:
ground condition
Status
The state of and maintenance information for the data.
Data status: Complete
Update frequency: Unknown
Key Words
Words or phrases that summarize certain aspects of the data.
Theme:
Keywords: eelgrass
Keyword thesaurus: SAV
Place:
Keywords: Connecticut, CT
Keyword thesaurus: U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of The United States, and Associated Areas (Federal Information Processing Standard 5-2): Washington, DC, National Institute of Standards and Technology.
Place:
Keywords: United States of America, USA
Keyword thesaurus: U.S. Department of Commerce, 1995, Countries, Dependencies, Areas of Special Sovereignty, and Their Principal Administrative Divisions (Federal Information Processing Standard (FIPS) 10-4): Washington, D.C., National Institute of Standards and Technology.
Data Access Constraints
Restrictions and legal prerequisites for accessing or using the data after access is granted.
Access constraints:
no known access retrictions
Use constraints:
contraints based on limitation of methods of aquiring data through remotely sensed processes.
+ Spatial Reference Information
Horizontal Coordinate System
Reference system from which linear or angular quantities are measured and assigned to the position that a point occupies.
Projected coordinate system:
Name: NAD 1983 StatePlane Connecticut FIPS 0600 Feet
Map units: survey feet
Geographic coordinate system:
Name: GCS North American 1983
Coordinate System Details
Map projection
Map projection name: Lambert Conformal Conic
Standard parallel: 41.200000
Standard parallel: 41.866667
Longitude of central meridian: -72.750000
Latitude of projection origin: 40.833333
False easting: 999999.999996
False northing: 499999.999998
Planar Coordinate Information
Planar coordinate encoding method: coordinate pair
Coordinate representation:
Abscissa resolution: 0.000328
Ordinate resolution: 0.000328
Planar distance units: survey feet
Geodetic model
Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137.000000
Denominator of flattening ratio: 298.257222
Vertical Coordinate System
Reference system from which vertical distances (altitudes or depths) are measured.
Altitude system definition:
Altitude resolution: 1.000000
Altitude encoding method: Explicit elevation coordinate included with horizontal coordinates
Spatial Domain
The geographic areal domain of the data that describes the western, eastern, northern, and southern geographic limits of data coverage.
Bounding Coordinates
In Projected or local coordinates
NAD 1983 StatePlane Connecticut FIPS 0600 Feet
BoundaryCoordinate
Left1073522.988165 (survey feet)
Right1245195.901708 (survey feet)
Top688250.099201 (survey feet)
Bottom617420.084365 (survey feet)
In Unprojected coordinates (geographic)
GCS North American 1983
BoundaryCoordinate
West-72.483018 (longitude)
East-71.856998 (longitude)
North41.349679 (latitude)
South41.152131 (latitude)
+ Data Structure and Attribute Information
Overview
Summary of the information content of the data, including other references to complete descriptions of entity types, attributes, and attribute values for the data.
Direct spatial reference method: Vector
Attributes of depgis.DEP.EELGRASS_BEDS_2009_POLY
Detailed descriptions of entity type, attributes, and attribute values for the data.
Name: depgis.DEP.EELGRASS_BEDS_2009_POLY
Type of object: Feature Class
Geometry type: Polygon
Number of records: 172
Attributes
BED_DENSITY
Alias: BED_DENSITY Type: String Width: 1 Precision: 0 Scale: 0
field_06_v
Definition:
Internal feature number.
Alias: OBJECTID Type: OID Width: 4 Precision: 10 Scale: 0
Attribute values: Sequential unique whole numbers that are automatically generated.
Attribute definition source:
ESRI
OBJECTID
Definition:
Internal feature number.
Alias: SHAPE Type: Geometry Width: 4 Precision: 0 Scale: 0
Attribute values: Sequential unique whole numbers that are automatically generated.
Attribute definition source:
ESRI
SHAPE
Definition:
Feature geometry.
Alias: FIELD_06_V Type: String Width: 20 Precision: 0 Scale: 0
Attribute values: Coordinates defining the features.
Attribute definition source:
ESRI
field_09_v
Alias: ACRES Type: Double Width: 8 Precision: 38 Scale: 8
FIELD_06_V
Alias: FIELD_09_V Type: String Width: 50 Precision: 0 Scale: 0
ACRES
Alias: LOCATION Type: String Width: 50 Precision: 0 Scale: 0
FIELD_02_V
Alias: FIELD_02_V Type: String Width: 20 Precision: 0 Scale: 0
FIELD_09_V
Alias: SHAPE.area Type: Double Width: 0 Precision: 0 Scale: 0
LOCATION
Alias: SHAPE.len Type: Double Width: 0 Precision: 0 Scale: 0
field_02_v
Alias: FIELD_02_V Type: String Width: 20 Precision: 0 Scale: 0
SHAPE.area
Alias: SHAPE.area Type: Double Width: 0 Precision: 0 Scale: 0
SHAPE.len
Alias: SHAPE.len Type: Double Width: 0 Precision: 0 Scale: 0
ESRI Subtypes of depgis.DEP.EELGRASS_BEDS_2009_POLY
Describes the subtypes that have been defined for a feature class in a geodatabase
In the following list the subtype code is followed by the subtype name. Attributes (subtype fields) for each subtype are described in terms of their default value, valid domain values, value after merging or splitting features, etc.
Subtypes
5 - Solid, Dark Grn/Brn
Attributes
signatures
Default value: 1
6 - Solid, Dark Grn/Blk
Attributes
signatures
Default value: 1
7 - Solid, Grn/Brn
Attributes
signatures
Default value: 1
8 - Solid, Light Grn
Attributes
signatures
Default value: 1
9 - Undetermined
Attributes
signatures
Default value: 1
ESRI Feature Description
Description of spatial objects in the data using the Environmental Systems Research Institute (ESRI) terminology.
Environmental Systems Research Institute (ESRI) terms
depgis.DEP.EELGRASS_BEDS_2009_POLY
ESRI feature type: Simple
Geometry type: Polygon
Topology: FALSE
Feature count: 172
Spatial index: TRUE
Linear referencing: FALSE
XY Rank: 1
Z Rank: 1
Topology weight: 5.000000
Events on validation: FALSE
Participates in topology rules:
Rule Id: 1
SDTS Feature Description
Description of point and vector spatial objects in the data using the Spatial Data Transfer Standards (SDTS) terminology.
Spatial data transfer standard (SDTS) terms
depgis.DEP.EELGRASS_BEDS_2009_POLY
Type: G-polygon
Count: 172
+ Data Quality and Accuracy Information
General
Information about the fidelity of relationships, data quality and accuracy tests, omissions, selection criteria, generalization, and definitions used to derive the data.
Logical consistency report:
Photography was taken during two flgiht missions on July 14, 2009 and July 15, 2009, at low tide.
Cloud cover: none
Attribute Accuracy
Accuracy of the identification of data entities, features and assignment of attribute values.
Attribute accuracy report:
Attribute accuracy  based on quality of 1:20000 photography, and the ability to indentify submerged vegetation and the density of beds.
Positional Accuracy
Accuracy of the positional aspects of the data.
Horizontal accuracy report:
Based on photography, and the abiltiy to identify eelgrass beds and delineate them from 1:20,000 True Color geo-rectified photography
+ Data Source and Process Information
Data Sources
Information about the source data used to construct or derive the data.
Data source information
Data Source 1
Map scale denominator: 1:20,000
Media: True Color photography
Source contribution:
Sames W. Sewall 
CORPORATE HEADQUARTERS
136 Center Street, P.O. Box 433 
Old Town, Maine 04468-0433 
207 827 4456
fax: 207 827 3641
Process Steps
Information about events, parameters, tolerances and techniques applied to construct or derive the data.
Process step information
Process Step 1
Process description:
The 2009, 1:20000 true color photography was scanned and geo-rectified in ArcGIS 9.3 to NAIP 2006 true color 1 meter resolution imagery for Connecticut and New York. The 2006 eelgrass datalayer was used as a base, and polygonal data was added, subtracted or adjusted to reflect what was identified on the newer imagery. Field work was completed using a USFWS research vessel, and USFWS personnel. One Hundred Ninety Three sites were checked and documented. This information was converted to a point datalayer and used to adjust the original delineation.  In some cases, very small beds that were identified during the field survey were mapped as points and buffered to yield a polygon of 0.1-acre in size. Bed density was determined using spectral signatures in the current imagery.  2006 and 2002 surveys and field observations were used to help identify these signatures in the initial drafts.  Field observations from 2009 were then incorporated into the final revision and took precedence over previous density identifications.  The interpretations were then displayed in map form using the 2009 digital imagery as the base map.
Process date: Sept '09 - May '10
Process software and version: ArcGIS 9.3
Process Step 2
Process description:
Dataset copied.
Process date: 20100430 Process time: 12124400
Data Source used
\\FT-CUBEQ-KEVIN\E$\NWI\Eelgrass\Eelgrass_20091002_Final.mdb
Process Step 3
Process description:
Dataset copied.
Process date: 20100503 Process time: 16194400
Data Source used
\\FT-CUBEQ-KEVIN\E$\NWI\Eelgrass\Eelgrass_20091005_Draft.mdb
Process Step 4
Process description:
Dataset copied.
Process date: 20101108 Process time: 11034100
Data Source used
\\depnb100\Data\GIS\Workspaces\Coastal\KOB\Eelgrass\Eelgrass_Final_20100603\Eelgrass_2009_CT_St_Plane.mdb
Process Step 5
Process description:
Metadata imported.
Process date: 20101209 Process time: 13445000
Data Source used
C:\Trash\EELGRASS_BEDS_2009_POLY1.xml
ESRI geoprocessing history
Description of ESRI geoprocessing commands, settings, and tolerances applied to the data.
ESRI geoprocessing command information
1 Process
Date: 20091002 Time: 085707
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Analysis Tools.tbx\Update
Command issued: Update Eelgrass_2006_polys Eelgrass_2006_polys_Dave_20091001 D:\Steve\Eelgrass\ct_eelgrass_2006.mdb\usfws_source\Eelgrass_20091002 BORDERS #
2 Process
Date: 20091002 Time: 090747
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Data Management Tools.tbx\RepairGeometry
Command issued: RepairGeometry Eelgrass_20091002 DELETE_NULL Eelgrass_20091002
3 Process
Date: 20091002 Time: 092025
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Analysis Tools.tbx\Update
Command issued: Update D:\Steve\Eelgrass\ct_eelgrass_2006.mdb\usfws_source\Eelgrass_20091002 D:\Steve\Eelgrass\ct_eelgrass_2006.mdb\usfws_source\J_eelgrass D:\Steve\Eelgrass\ct_eelgrass_2006.mdb\usfws_source\Eelgrass_20091002_all BORDERS #
4 Process
Date: 20091002 Time: 121157
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Analysis Tools.tbx\Update
Command issued: Update Eelgrass_20091002_all Eelgrass_Working D:\Steve\Eelgrass\Eelgrass_20091002.mdb\usfws_source\Final_20091002 BORDERS #
5 Process
Date: 20100510 Time: 154111
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Analysis Tools.tbx\Update
Command issued: Update "Eelgrass Distribution 2009" Field_Points_Buffer E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp BORDERS #
6 Process
Date: 20100513 Time: 104654
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Conversion Tools.tbx\FeatureClassToFeatureClass
Command issued: FeatureClassToFeatureClass E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp E:\NWI\Eelgrass\Final_Submit\Submitted\Eelgrass_2009_CT_St_Plane.mdb\Eelgrass Eelgrass_2009_CT_St_Plane # "OBJECTID 'OBJECTID' true true false 9 Long 0 9 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,OBJECTID,-1,-1;ACRES 'ACRES' true true false 19 Double 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,ACRES,-1,-1;LOCATION 'LOCATION' true true false 50 Text 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,LOCATION,-1,-1;bed_densit 'bed_densit' true true false 1 Text 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,bed_densit,-1,-1;field_06_v 'field_06_v' true true false 20 Text 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,field_06_v,-1,-1;field_02_v 'field_02_v' true true false 20 Text 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,field_02_v,-1,-1;Shape_Leng 'Shape_Leng' true true false 19 Double 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,Shape_Leng,-1,-1;Shape_Area 'Shape_Area' true true false 19 Double 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,Shape_Area,-1,-1;field_09_v 'field_09_v' true true false 50 Text 0 0 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,field_09_v,-1,-1;E_2009 'E_2009' true true false 4 Short 0 4 ,First,#,E:\NWI\Eelgrass\Final_Submit\Export_2009_Eelgrass_the_Cor.shp,E_2009,-1,-1" # E:\NWI\Eelgrass\Final_Submit\Submitted\Eelgrass_2009_CT_St_Plane.mdb\Eelgrass\Eelgrass_2009_CT_St_Plane
7 Process
Date: 20101116 Time: 082432
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Data Management Tools.tbx\CopyFeatures
Command issued: CopyFeatures Y:\Workspaces\Coastal\KOB\metadata_work\SDE_prep\OLISP_SDE_data_prep.mdb\Eelgrass\Eelgrass_2009_CT_St_Plane Y:\GIS_Tools\Dropoff_Box\OLISP_data\Eelgrass_2009_CT_St_Plane.shp # 0 0 0
8 Process
Date: 20101118 Time: 124833
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Data Management Tools.tbx\CopyFeatures
Command issued: CopyFeatures Y:\GIS_Tools\Dropoff_Box\OLISP_data\Eelgrass_2009_CT_St_Plane.shp Y:\GIS_Tools\Dropoff_Box\OLISP_data\Coastal_Data_Load.mdb\EELGRASS_BEDS_2009_POLY # 0 0 0
9 CopyFeatures_3
Date: 20101209 Time: 135143
Tool location: C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Data Management Tools.tbx\CopyFeatures
Command issued: CopyFeatures Y:\GIS_Tools\Dropoff_Box\OLISP_data\Coastal_Data_Load_Final.mdb\EELGRASS_BEDS_2009_POLY "Database Connections\10.18.8.60.depgis@dep_92dc.sde\depgis.DEP.EELGRASS_BEDS_2009_POLY" DEPFEATUREDYNAMIC 0 0 0
+ Data Distribution Information
General
Description of the data known by the party from whom the data may be obtained, liability of party distributing data, and technical capabilities required to use the data.
Resource description:
Connecticut Eelgrass Beds 2009 Poly
Standard Order Process
Common ways in which data may be obtained.
Digital form:
Size of the data: 0.157
Transfer size: 0.157
+ Metadata Reference
Metadata Date
Dates associated with creating, updating and reviewing the metadata.
Last updated: 20120119
Language of metadata: en
Metadata Point of Contact
Contact information for the individual or organization responsible for the metadata information.
Organization: Consevation Management Institute
Person: Kevin McGuckin
Position: GIS Manager
Phone: 540-231-9197
Email: kmcguckn@vt.edu
Address type: mailing and physical address
Address:
1900 Kraft Dr. Suite 250
City: Blacksburg
State or Province: VA
Postal code: 24061
Metadata Standards
Description of the metadata standard used to document the data and reference to any additional extended profiles to the standard used by the metadata producer.
Standard name: FGDC Content Standards for Digital Geospatial Metadata
Standard version: FGDC-STD-001-1998
Time convention: local time
Metadata profiles defining additonal information:
Profile: ESRI Metadata Profile
FGDC Plus Metadata Stylesheet
Stylesheet: FGDC Plus Stylesheet
File name: FGDC Plus.xsl
Version: 2.2
Description: This metadata is displayed using the FGDC Plus Stylesheet, which is an XSL template that can be used with ArcGIS software to display metadata. It displays metadata elements defined in the Content Standard for Digital Geospatial Metadata (CSDGM) - aka FGDC Standard, the ESRI Profile of CSDGM, the Biological Data Profile of CSDGM, and the Shoreline Data Profile of CSDGM. CSDGM is the US Federal Metadata standard. The Federal Geographic Data Committee originally adopted the CSDGM in 1994 and revised it in 1998. According to Executive Order 12096 all Federal agencies are ordered to use this standard to document geospatial data created as of January, 1995. The standard is often referred to as the FGDC Metadata Standard and has been implemented beyond the federal level with State and local governments adopting the metadata standard as well. The Biological Data Profile broadens the application of the CSDGM so that it is more easily applied to biological data that are not explicitly geographic (laboratory results, field notes, specimen collections, research reports) but can be associated with a geographic location. Includes taxonomical vocabulary. The Shoreline Data Profile addresses variability in the definition and mapping of shorelines by providing a standardized set of terms and data elements required to support metadata for shoreline and coastal data sets. The FGDC Plus Stylesheet includes the Dublin Core Metadata Element Set. It supports W3C DOM compatible browsers such as IE7, IE6, Netscape 7, and Mozilla Firefox. It is in the public domain and may be freely used, modified, and redistributed. It is provided "AS-IS" without warranty or technical support.
Instructions: On the top of the page, click on the title of the dataset to toggle opening and closing of all metadata content sections or click section links listed horizontally below the title to open individual sections. Click on a section name (e.g. Description) to open and close section content. Within a section, click on a item name (Status, Key Words, etc.) to open and close individual content items. By default, the Citation information within the Description section is always open for display.
Download: FGDC Plus Stylesheet is available from the ArcScripts downloads at www.esri.com.