Ninigret Habitat Polygons

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: University of Rhode Island, Graduate School of Oceanography

Publication_Date: Unpublished Material

Title: Ninigret Habitat Polygons

Geospatial_Data_Presentation_Form: vector digital data

Online_Linkage: \\SANDIA\mapcoast\nin_data\nin_hab.shp

Description:

Abstract:

Side scan sonar records were interpreted to differentiate between bottom types in Ninigret Pond, a shallow coastal lagoon in Charlestown, Rhode Island. Polygons indicating similar acoustic signal were drawn over the side scan sonar mosaic at 1:2,400. Each type of acoustic signal was described and assigned a code. Using grain-size data from URI and the NRCS, bottom types for the polygons were named according to the Dethier habitat classification scheme. Polygons were ground-truthed with an underwater video camera. Using the video data, eelgrass locations and presence of decaying organic matter were added to the polygon dataset. Anthropogenic influences that were visible in the side scan data were also added to the dataset.

Purpose:

To characterize bottom types and vegetation cover in Ninigret Pond as a step to creating a subaqueous soil and habitat map.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 7/2004

Ending_Date: 10/2004

Currentness_Reference: ground condition

Status:

Progress: In work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -71.697894

East_Bounding_Coordinate: -71.630979

North_Bounding_Coordinate: 41.381144

South_Bounding_Coordinate: 41.346290

Keywords:

Theme:

Theme_Keyword: bottom type

Theme_Keyword: sediment type

Theme_Keyword: submerged aquatic vegetation

Theme_Keyword: coastal lagoon

Place:

Place_Keyword: Ninigret Pond

Place_Keyword: Rhode Island

Place_Keyword: USA

Access_Constraints: None

Use_Constraints:

Represents a working estimate of bottom types and vegetative cover in Ninigret Pond.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Kathryn Ford

Contact_Organization: University of Rhode Island, Graduate School of Oceanography

Contact_Position: Marine Research Scientist

Contact_Address:

Address_Type: mailing and physical address

Address: South Ferry Rd

City: Narragansett

State_or_Province: RI

Postal_Code: 02882

Country: USA

Native_Data_Set_Environment:

Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.5.1450

Data_Quality_Information:

Lineage:

Process_Step:

Process_Description:

The following classification was used for mapping:

Hierarchy Description Code System Estuarine E Subsystem Subtidal S Class Consolidated/Unconsolidated C/U Subclass Boulders B Mixed-Fine Mf Mud Mu Organic O Sand Sa Energy/Enclosure Lagoon L Modifiers - Depth 0-0.5m d1 0.6-1.5m d2 1.6-3.0m d3 - Acoustic Very low backscatter, random distribution of small light circular splotches a1 Low backscatter, fine return a2 Low-medium backscatter, fine return, non-patterned variability a3 Points of extremely high backscatter with adjacent shadows a4 High backscatter, rough return a5 Variable backscatter intensity, very rough return a6 Very low backscatter, some variability, bounded by sharp edges, very fine return a7

Source_Used_Citation_Abbreviation:

C:\Documents and Settings\Emily\My Documents\Ninigret_habitat04_working\Jan05_polys\Ninigret_bottomtypes_2004

Process_Step:

Process_Description: Metadata imported.

Source_Used_Citation_Abbreviation: G:\Mapcoast Data\Ninigret_bottomtypes_2004.shp.xml

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: G-polygon

Point_and_Vector_Object_Count: 53

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: State Plane Coordinate System 1983

State_Plane_Coordinate_System:

SPCS_Zone_Identifier: 3800

Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.999994

Longitude_of_Central_Meridian: -71.500000

Latitude_of_Projection_Origin: 41.083333

False_Easting: 328083.333333

False_Northing: 0.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.000000

Ordinate_Resolution: 0.000000

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

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: nin_hab

Attribute:

Attribute_Label: DOM

Attribute_Definition: Presence of decaying organic matter

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: yes

Enumerated_Domain_Value_Definition: Presence of decaying organic matter in 1-100% cover

Enumerated_Domain:

Enumerated_Domain_Value: <null>

Enumerated_Domain_Value_Definition: no data

Attribute:

Attribute_Label: BOTTOMTYPE

Attribute_Definition: Substrate grain size

Attribute_Definition_Source: Dethier, 1997

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: organic

Enumerated_Domain:

Enumerated_Domain_Value: mixed-fine

Enumerated_Domain:

Enumerated_Domain_Value: sand

Enumerated_Domain:

Enumerated_Domain_Value: mud

Enumerated_Domain:

Enumerated_Domain_Value: boulders

Enumerated_Domain:

Enumerated_Domain_Value: unclassified

Attribute:

Attribute_Label: AREA

Attribute:

Attribute_Label: PERIMETER

Attribute:

Attribute_Label: NIN_HAB_

Attribute:

Attribute_Label: NIN_HAB_ID

Attribute:

Attribute_Label: FID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: Shape

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: ACOUSTIC

Attribute_Definition: Acoustic signal identification

Attribute_Definition_Source: Microsoft Word document, attached

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: a1

Enumerated_Domain_Value_Definition:

Very low backscatter, random distribution of small light circular splotches

Enumerated_Domain:

Enumerated_Domain_Value: a2

Enumerated_Domain_Value_Definition: Low backscatter, fine return

Enumerated_Domain:

Enumerated_Domain_Value: a3

Enumerated_Domain_Value_Definition: Low-medium backscatter, fine return, non-patterned variability

Enumerated_Domain:

Enumerated_Domain_Value: a4

Enumerated_Domain_Value_Definition: Points of extremely high backscatter with adjacent shadows

Enumerated_Domain:

Enumerated_Domain_Value: a5

Enumerated_Domain_Value_Definition: High backscatter, rough return

Enumerated_Domain:

Enumerated_Domain_Value: a6

Enumerated_Domain_Value_Definition: Variable backscatter intensity, very rough return

Enumerated_Domain:

Enumerated_Domain_Value: a7

Enumerated_Domain_Value_Definition:

Very low backscatter, some variability, bounded by sharp edges, very fine return

Attribute:

Attribute_Label: CODE

Attribute_Definition: Habitat classification code

Attribute_Definition_Source: Microsoft word document, attached

Attribute:

Attribute_Label: ANTHROPOGE

Attribute_Definition: Anthropogenic influences

Attribute:

Attribute_Label: EELGRASS

Attribute_Definition: Presence/absence eelgrass

Attribute:

Attribute_Label: SHAPE_AREA

Attribute_Definition: Area of feature in internal units squared.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Positive real numbers that are automatically generated.

Attribute:

Attribute_Label: SHAPE_LEN

Distribution_Information:

Resource_Description: Downloadable Data

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Transfer_Size: 0.069

Metadata_Reference_Information:

Metadata_Date: 20080523

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: University of Rhode Island, Graduate School of Oceanography

Contact_Person: Emily Shumchenia

Contact_Address:

Address_Type: mailing and physical address

Address: South Ferry Rd.

City: Narragansett

State_or_Province: RI

Postal_Code: 02882

Country: USA

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile